Assembly line interface device

The invention discloses an assembly line interface device. The assembly line interface device comprises a rotatable buffer disc mechanism, a transfer mechanism, a shifting block mechanism and a control mechanism, wherein the rotatable buffer disc mechanism is provided with a plurality of accommodating positions for accommodating samples; the transfer mechanism is provided with clamping jaws for clamping the samples and moving assemblies for driving the clamping jaws to move; the shifting block mechanism comprises a loading shifting block assembly and an unloading shifting block assembly; and the control mechanism is used for controlling the buffer disc mechanism, the transfer mechanism and the shifting block mechanism to act. The assembly line interface device provided by the invention can realize the connection between test equipment and a feeding track as well as between the test equipment and a discharging track in a using process, and automatic transfer of the samples in the feeding track to the inlet of