An apparatus and a method for automatically joining components of photovoltaic elements are disclosed. The apparatus includes: a) at least two manufacturing lines and at least two assembly bridges for joining the substrates, films and glass panes, b) a stacking device for film feeding and a conveyor belt for feeding the glass panes, c) devices for centering and suctioning the films and the glass plates, d) devices for transporting and fixing the film transport frame and the glass transport frame e) devices for lowering the films and the glass plates from the respective transport frames, and f) devices for further transport.