Automatic assembling machine for needle tube type gel pen capS

The invention discloses an automatic assembling machine for needle tube type gel pen caps. A plug pressing unit is used for pressing a rubber plug conveyed by a plug storage and vibration feeding unit on a rotary table module, a cap body grabbing and pressing unit is used for grabbing cap bodies conveyed by the cap body storage and vibration feeding unit and sleeving the cap bodies on the rubber plugs conveyed by the rotary table module, a cap clamp grabbing and pressing unit grabs a cap clamp conveyed by a cap clamp storage vibration feeding unit and sleeves the cap body conveyed by the rotary table module and provided with the rubber plug, and a pen cap grabbing and discharging unit grabs the cap body conveyed by the rotary table module and provided with the cap clamp and the rubber plug and conveys the cap body into a product container. Due to the fact that a vibration feeding mode that a plurality of functional units are combined with each other is adopted, the assembling thought that the cap body is buck