Bottle cap cleaning device and system

The invention relates to the technical field of cleaning devices, and discloses a bottle cap cleaning device and system.The bottle cap cleaning device comprises a clamping mechanism, a housing and a nozzle, the clamping mechanism is suitable for clamping a bottle cap, the housing is of a semi-closed structure, the interior of the housing is a cavity, and the bottle cap can move into the housing from one side of the housing and move out of the other side of the housing; the multiple nozzles are arranged in the housing, at least one nozzle faces the inner side of the bottle cap, and at least one nozzle faces the outer side of the bottle cap, the multiple nozzles are arranged, when the bottle cap is cleaned, the interior and the exterior of the bottle cap can be cleaned only by clamping the bottle cap once through the clamping mechanism, the structure is simple, operation is convenient, the cleaning procedure is simplified, and the cleaning efficiency is improved. And the subsequent process is facilitated, secon