End socket circumference locating mechanism

The utility model relates to the technical field of water heater inner container processing, in particular to an end socket circumference locating mechanism which comprises a machine frame, a tray assembled on the machine frame in a rotating mode, a detection sensor arranged on the machine frame and located below the tray, a driving assembly and a position sensor arranged on the machine frame and located beside the tray. The tray is provided with at least two clamping blocks, the clamping blocks are arranged in the circumferential direction of the tray, the clamping blocks are provided with clamping grooves used for positioning and placing end sockets, and the tray is further provided with a plurality of adsorption pieces used for adsorbing the end sockets; the detection sensor is used for detecting whether the end socket is placed in place or not, and the driving assembly comprises a driving part and a transmission structure arranged between the tray and the driving part and is used for driving the tray to r