Warp creel for plastic woven bag

The utility model provides a plastic woven bag warp creel which comprises a supporting frame, an unwinding frame located on the supporting frame, a plurality of battens arranged along the inner side wall of the unwinding frame at intervals and a row of supporting cylinders distributed in the length direction of the battens, the unwinding frame is hinged to the supporting frame, and the angle formed between the unwinding frame and the supporting frame is adjustable. Each supporting cylinder is provided with a locking assembly used for limiting the corresponding yarn cylinder to the corresponding supporting cylinder. Each locking assembly comprises a ring sleeve arranged on the corresponding supporting cylinder in a sleeving mode and a plurality of supporting units which are hinged to the ring sleeve in the circumferential direction and used for being tightly attached to the inner wall of the corresponding yarn cylinder. The adjusting unit is used for controlling the supporting units to synchronously get close