Patent ID: 7459653
Filing Date: 2008-12-02
Classification: B23K,H01R

Abstract:
1. Ultrasound welding device for compacting and/or welding electric conductors ( 10 ), more especially for producing via nodes or end nodes of stranded conductors, said ultrasound welding device comprising a sonotrode ( 12 ), one portion of which is a first delimitation surface ( 18 ) of a compacting chamber ( 20 ) that accommodates the conductors, said compacting chamber in addition being defined by a portion of a counter-electrode ( 14 ) that forms a second delimitation surface ( 22 ) and by at least one additional third delimitation surface ( 24 ) that is formed by a portion of a delimitation element ( 16 ), wherein the compacting chamber ( 20 ) has a substantially triangular open cross-section, which is surrounded by the mutually adjustable portions of the sonotrode ( 12 ), of the delimitation element ( 16 ) and of the counter-electrode ( 14 ), and, when the delimitation element is displaced, the counter-electrode is positively driven in such a manner that during the compacting or respectively welding of the conductors ( 10 ), the edge ( 30 ) of the counter-electrode adjoining the sonotrode is adjustable along the first delimitation surface ( 18 ) while a constant or almost constant gap is maintained, characterised in that the first delimitation surface that is formed by the portion of the sonotrode ( 12 ) extends inclinedly relative to the horizontal, in that the third delimitation surface ( 24 ) that is formed by the delimitation element ( 16 ) extends vertically and in that the counter-electrode ( 14 ) projects from the delimitation element so as to be displaceable.