Gypsum board cut-off machine for gypsum board production line

The utility model discloses a gypsum board cut-off machine for a gypsum board production line. Gypsum board production equipment, the technical problem to be solved by the utility model is that the online fixed-length cutting efficiency of a gypsum board is low; due to the fact that the gypsum plaster board which is not dried yet is cut off, cost is high; according to the technical scheme, the gypsum plaster cutting machine structurally comprises a machine frame, an upper cutter device and a lower cutter device are arranged on the machine frame, the upper cutter device and the lower cutter device are oppositely arranged, and the upper portion of the upper cutter device and the lower portion of the lower cutter device are each provided with a brush device; the hairbrush device comprises a hairbrush shaft, a hairbrush roller is connected to the hairbrush shaft in a sleeving mode, and the hairbrush roller is fixedly connected to the hairbrush shaft in a sleeving mode; a brush driving device is arranged above the