Gas cylinder double-station marking device

The utility model discloses a gas cylinder double-station marking device, which belongs to the technical field of marking equipment, and comprises a base, the top of the base is fixedly connected with a support frame, and the bottom of the support frame is provided with a moving mechanism; the supporting frame, the second motor, the second two-way threaded rod, the moving block, the connecting rod and the clamping block are arranged on the inner sides of the supporting legs, the second motor placed on the top of the supporting frame drives the second two-way threaded rod fixedly connected to an output shaft to rotate, and the moving block and the connecting rod are driven to move left and right; the gas cylinders with different lengths, sizes and sizes can be better fixed, and the problems that due to the fact that the gas cylinders with different heights and sizes possibly encounter, the gas cylinders with different sizes are possibly difficult to fix, the gas cylinders shake in the marking process, and the