The present invention discloses a manufacturing device relative to the display frame front cover of the two-divided or four-divided liquid crystal display and plasma display. The invention does welding to the two-divided or four-divided component with the method of laser welding and reduces the deformation of the component, all working procedures from raw material providing period to laser weldingand subsequent punching working procedure will continuously be executed automatically, and the production efficiency increased divided display frame manufacturing device of the entire manufacturing process is effectively embodied.