Novel full -automatic seam is by machine

The utility model discloses a novel full -automatic seam is by machine, including frame, lift crossbeam, ejection of compact roller bearing, frame upper portion is equipped with the lift crossbeam, the syringe needle is connected to lift crossbeam lower extreme, the utility model discloses a power device drives initiative gear revolve, and the driving gear meshes mutually with driven gear and drives second pivot rotation, the driving gear is connected through the one end of first connecting rod with the lift crossbeam, the driving tooth passes through aggregate unit and drives the drive wheel rotation, drive wheel and second sprocket coaxial coupling, second sprocket pass through the chain and connect the roller bearing sprocket, the other end of lift crossbeam passes through the third connecting rod and connects the cam to drive first pivot campaign through the cam drive. The utility model discloses a controlling first pivot work, utilizing the line of the epaxial support of first commentaries on classics on with the syringe needle to provoke, utilize the relative motion between the pay -off roller bearing to realize the pay -off function, lift crossbeam up -and -down motion is accomplished and is made, and equipment work efficiency is high.