Assembling device for meter body and meter shell of water meter

The invention relates to the technical field of assembly, and discloses an assembly device for a water meter body and a meter shell, the assembly device comprises a water meter assembly platform, a conveying belt, a mechanical arm and a fixing plate, a lifting plate is arranged at the bottom end of the fixing plate, an adsorption pipe for adsorbing the meter shell is arranged in the center of the lifting plate, and an inner sliding cylinder is longitudinally and slidably connected into the adsorption pipe; a plurality of return units which are distributed around the outer circumferential surface of the adsorption pipe are arranged on the outer side of the adsorption pipe, the inner sliding cylinder is connected with the plurality of return units, and the plurality of return units can synchronously contract when the inner sliding cylinder ascends; according to the invention, the plurality of return units are arranged on the adsorption pipe, when the mechanical arm controls the adsorption pipe to be attached to