Sewing direction control apparatus for sewing machine

摘要

A sewing direction control apparatus for sewing machine, comprising: a base plate (10), a circular ring-shaped transmission element (20) dispose on the base plate (10) and a driving element (50) with a driving unit (52). During sewing, the driving unit (52) drives the transmission element (20), rotating a sewing product (A) placed at the center of the transmission element (20) with the driving element (52), thereby controlling the sewing direction of the sewing product (A), and thus improving the sewing accuracy. The direction control apparatus has low cost, and is suitable for various types of automatic sewing machines.

主权项

1. 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.