Composite material thermal diaphragm preforming equipment

The utility model relates to composite material thermal diaphragm preforming equipment which comprises a diaphragm water tank, a transfer workbench, a water tank and a visual window, the diaphragm water tank is communicated with the water tank, a heating device is arranged in the water tank, the visual window is arranged above the diaphragm water tank in a lifting mode, and the visual window can cover the diaphragm water tank to form a heating cavity. The heating cavity is provided with a visual window, the visual window is communicated with an air pipe communicated with external vacuumizing equipment, the air pipe is used for vacuumizing the heating cavity, the transfer workbench is used for transporting the composite material into the heating cavity, the visual window is further provided with a tool used for fixing the composite material, and the side, close to the heating cavity, of the visual window is further provided with a forming mold. According to the utility model, hot water in the hot diaphragm wat