Device for automatically mounting screw and automatically mounting system

An automatically assembling system, comprising an assembling line body, a plurality of placing plates located at the assembling line body and used for placing product ready to be assembled, and a device for automatically assembling screw, the device for automatically assembling screw corresponding to positions of the placing plates, wherein, the device for automatically assembling screw comprising a frame, a locating member located on the frame, a taking member, a driving member, and a screw feeding member:

• the locating member being used for locating the product ready to be assembled to a special position;
• the taking member comprising a rotating plate connected with the driving member, at least three sucking elements fixed below the rotating member and located at a same circumference, and an electric screwdriver connected with the driving member and located upon the circumference;
• the driving member driving the rotating plate rotating the electric screwdriver being movably located on the driving member;
• the screw feeding member comprising a feeding plate, the feeding plate comprising a plurality of feeding positions, each feeding position corresponding to one sucking element;
• the driving member driving the sucking element acquiring the screw from corresponding feeding position, and driving the sucking element moving the acquired screw to a position which being upon an assembling position of the product ready to be assembled, for the electric screwdriver assembling the screw to the product ready to be assembled.