Stand column lifting mechanism of small laser marking machine

The utility model discloses a small laser marking machine column elevating mechanism comprising a device body, the device body comprises a pedestal, a support rod 1 and a small light path device, one end of the small light path device is provided with a tail cover, the other end is provided with a small galvanometer, one end of the small light path device is provided with a fixed light path device, and the other end is provided with a fixed light path device. The first supporting rod comprises a first fixing rod and a first lifting rod, the first lifting rod is arranged in the first fixing rod, the base comprises a side plate, a top plate and a bottom plate, a fixed support is arranged on the top plate, the end of the first fixing rod is fixed to the fixed support, a fixed laser and a red light base are arranged in the small light path device, and the fixed light path device is fixed to the first lifting rod. The side plates, the bottom plate and the top plate define a base with the interior of a cavity struc