Rice transplanter with rice transplanting depth adjusting structure

The utility model relates to the technical field of rice transplanters, and discloses a rice transplanter with a rice transplanting depth adjusting structure, which comprises a rice transplanter body, a rice seedling plate is arranged at the top of the rice transplanter body, a fixing frame is arranged on one side of the rice seedling plate, and a connecting rod is arranged on the inner surface of the fixing frame. A mechanical transplanting arm body is arranged on the surface of the connecting rod, an adjusting structure is arranged outside the mechanical transplanting arm body, the adjusting structure comprises a sliding block, the end part of the connecting rod is fixedly connected with one side of the sliding block, the other side of the sliding block is slidably connected with the interior of a sliding groove, a lantern ring is arranged outside the sliding groove, and the lantern ring is arranged in the sliding groove. The side wall of the lantern ring is fixedly connected with one end of a fixing rod, t