Liquid forming device and liquid forming method for composite material stiffened plate

The invention belongs to the forming technology of composite materials and relates to a liquid forming device and a liquid forming method for a composite material stiffened plate. The liquid forming device for the composite material stiffened plate comprises a glue solution cylinder, a packaging prefabricated member, a forming mould, a guide bottle, a connecting device and a vacuum pump, wherein the packaging prefabricated member is arranged on the forming mould with a groove to form a forming assembly; one end of the forming assembly is connected with the glue solution cylinder by a glue inlet tube to form an injection line; the other end of the forming assembly is connected to the guide bottle by a glue outlet tube to form a suction line, wherein the guide bottle is connected to the connecting device by the guide tube; and the connecting device is connected with the vacuum pump by a vacuum tube. According to the liquid forming device and the liquid forming method for the composite material stiffened plate p