Flow guide groove assembly structure

The utility model discloses a diversion trench assembly structure, which comprises a frame, an upper press roll and a lower press roll, the frame comprises a bottom plate and support plates positioned on two sides of the bottom plate, the upper press roll and the lower press roll are sequentially and rotatably connected between the support plates from top to bottom, and each of the upper press roll and the lower press roll comprises a roller, a roll shaft and a locking block. The outer side wall of the roller shaft is sleeved with the roller in a sliding mode, external threads are formed in the outer wall of the roller shaft, the locking blocks are arranged at the two ends of the roller and are in threaded connection with the roller shaft, and protruding stripes are formed on the roller surface of the roller of the lower pressing roller in an array mode in the axial direction of the roller. The flow guide grooves of the formed water locking layer of the macromolecule water-absorbent resin arranged in the matr