Patent ID: 8794166

Claim:
A sewing direction control apparatus for sewing machine, the sew machine being provided with a needle, the sewing direction control apparatus comprising: a base plate; a transmission element being a circular ring-shaped structure mounted on the base plate and centrally provided with a circular cavity, a sewing product being fixed at a bottom of the cavity and located corresponding to the needle; a driving element including a servo motor connected to a driving shaft, and a disc-shaped driving unit connected to an end of the driving shaft, the end of the driving shaft being connected to a center of the driving unit, the driving unit is located at a periphery of and connected to the transmission element, the servo motor driving the driving unit to rotate and consequently rotating the transmission element and the sewing product, a sewing direction of the needle being tangent to a rotation direction of the sewing product; wherein the transmission element is provided with a slot around the bottom of the circular cavity, and a plurality of positioning pins disposed at the bottom of the cavity and located around the bottom of the slot, a sewing plate is received in the slot and provided with a plurality of ears around a periphery thereof, the positioning pins of the transmission element are inserted in the ears of the sewing plate, so as to fix the sewing plate.