Automatic reciprocating conveying mechanism

The utility model discloses an automatic back-and-forth conveying mechanism, relates to the technical field of automatic back-and-forth conveying mechanisms, and aims to solve the problem that the existing automatic back-and-forth conveying mechanism is single in transmission mode, so that the transmission efficiency is low. A control mechanism is arranged on the front end face of the transmission mechanism, the control mechanism is electrically connected with the transmission mechanism, four hydraulic lifting first main bodies are arranged below the transmission mechanism, and rotating wheel rotating shafts are arranged at the lower ends of the hydraulic lifting first main bodies; a rotating wheel mechanism is arranged at the lower end of the rotating wheel rotating shaft and rotationally connected with the rotating wheel rotating shaft, a first conveying belt is arranged at the upper end of the transmission mechanism, a second conveying belt is arranged at one end of the first conveying belt, and a first ba