Cord fabric stitching apparatus

The utility model discloses a cord layer pressing device for tire building machines, comprising a speed reduction motor, a screw nut pair, a rolling wheel, a frame and a cylinder, wherein the speed reduction motor is fixed at one side of the screw nut pair, the rolling wheel is fixed on the nut of the screw nut pair. The cord layer pressing device adopts the cylinder to push the frame to a suitable position when presses the cord layer, the liner layer and the mouth cloth on a building drum, and adopts the rolling wheel to press the object layers on the building drum, adopts the building drum to drive the rolling wheel to rotate and adopts the screw nut pair to drive the rolling wheel left and right, thereby completing rolling process.