DEVICE AND METHOD FOR AUTOMATIC TWISTING OF METAL WIRES, IN PARTICULAR FOR CONNECTION OF NEIGHBORING, PREFERABLY CROSSED STRUCTURAL ELEMENTS Russian patent published in 2016 - IPC B21F15/04 E04G21/12 

FIELD: metalworking.

SUBSTANCE: invention relates to devices for automatic twisting of metal wires. Device includes wire feed mechanism, in particular, continuous, guide arc, which has a selectively openable and closable hole and directs the supplied wire in closed position in lengthwise direction from its first side to opposite relatively to the hole second side. Pulling carriage captures supplied wire on the first side of the guide arc and pulls it to the second side. Twisting unit captures supplied wire on both sides of the guide arc and twists it by the rotary motion. Method for automatic wire twisting using this device is disclosed which can be used for making reinforcing frame for a tower of a wind-driven power plant.

EFFECT: provides reliable automatic formation and twisting of loops, facilitates workers job.

17 cl, 4 dwg