The utility model belongs to the technical field of work fixtures, and provides a work fixture structure matched with a power device and used for glass mold spray welding. The power device comprises a machine seat and a rotary seat rotation driving mechanism, and the work fixture structure used for glass mold spray welding comprises a rotary seat which is provided with a rotary seat wall plate and a rotary seat cavity, a mold clamping frame rotation driving mechanism arranged on the rotary seat, a mold clamping frame connected with the mold clamping frame rotation driving mechanism, a mold limiting frame arranged on the mold clamping frame, and a mold limiting mechanism arranged on the mold limiting frame. Welding layer precision can be guaranteed, the phenomenon that the prior art relies on robot arms is avoided, device investment can be notably saved, the requirement for low-cost using of devices of middle and small-sized enterprises is met, fixture reliability can be guaranteed, the whole structure is simple, operation is convenient, and care and maintenance are facilitated.