Coarse mesh limiting and stopping device

The invention discloses a coarse mesh limiting and stopping device. The coarse mesh limiting and stopping device comprises a flexible fiber bundling module and a pressure adjusting module, wherein theflexible fiber bundling module and the pressure adjusting module are arranged on a supporting module, the pressure adjusting module is provided with a rotating part, the upper end of the flexible fiber bundling module is connected with the rotating part, and the lower end of the rotating part is in inclined contact with a coarse mesh in the advancing direction of the coarse mesh; the rotating angle of the rotating part is adjusted, so that the flexible fiber bundling module is driven to rotate by a certain angle towards the retreating direction of the coarse mesh; and the lower end of the flexible fiber bundling module is bent and deformed due to contact with the coarse mesh, so that the position of the coarse mesh is limited by certain contact pressure formed between the flexible fiber bundling module and the co