Automatic weft tension controlling means

The utility model discloses an automatic weft tension controlling means belongs to industry weaving technique field. Including processing the support frame and installing the revolving cylinder on theprocessing support frame, be fixed with driving stem on the periphery of revolving cylinder's pivot, the driving stem tip articulates there is the driving lever, the driving lever middle part is articulated to have the connecting rod, and the connecting rod other end articulates the terminal surface in revolving cylinder's pivot. Revolving cylinder passes through control circuit and connects theair supply be provided with the just direction changing solenoid valve of control revolving cylinder among the control circuit. The utility model discloses an aspect is when throwing a spear, and thetension of woof keeps invariable at the whole in -process that beats up relatively, the phenomenon that tension fluctuate can not appear, has guaranteed the quality of spacer screen, on the other handis the temple work of helpi