Warp beam subassembly

The utility model discloses a warp beam subassembly belongs to weaving equipment field, aims at providing a regularly automatic pay -off forward, need not to use artifical warp beam subassembly, its technical scheme main points as follows, a warp beam subassembly, the warp dish at the warp beam both ends is established to warp beam, cover including erectting in the frame, lie in on the warp beam and be equipped with the worm wheel through the fixed cover in set outside, the worm wheel meshing has the worm, fixedly connected with bracing piece in the frame, the both ends of worm are rotated with the bracing piece respectively and are connected, worm center fixedly connected with connecting rod, fixed cover is equipped with the driven plate on the connecting rod, the circumference array hasa plurality of breachs on the driven plate, fixedly connected with motor in the frame, the motor coaxial coupling has the driving -disc, be provided with the lug with the breach adaptation on the driving -disc, driving -disc