Grooving device for vegetable U-shaped groove substrate cultivation

The utility model belongs to the technical field of vegetable U-shaped groove processing, and discloses a grooving device for vegetable U-shaped groove substrate cultivation, which comprises a processing table, a notching device is arranged on the left side of the top end of the processing table, and a positioning component positioned on the right side of the notching device is arranged at the top end of the processing table. The right side of the positioning assembly is movably installed on a cutting-off blade above and below the bottom end of the positioning assembly, and a linkage assembly is arranged on the front face of the cutting-off blade. Through the arrangement of the positioning assembly, the toothed plate and the fixing shaft, the lower movable plate can be driven to move downwards by treading the treading surface at the bottom end of the treading frame, so that the linkage plate deflects, the upper movable plate is pushed to ascend by utilizing the fixing shaft, and at the moment, the connecting