Multi-tow carbon fiber spreading and pre-impregnation system

A multi-tow carbon fiber spreading and pre-impregnation system, comprising a discharge mechanism, a spreading mechanism, an impregnation shaping mechanism, a cutting mechanism and a winding mechanism which are sequentially arranged along a feeding direction, wherein the discharge mechanism comprises a filament release module and a filament doubling module;

• and the filament release module is located at a feed end of the filament doubling module, and comprises at least two filament release assemblies, on which carbon fibers are placed;
• the spreading mechanism comprises an airflow spreading module, which is located at a discharge end of the filament doubling module;
• the impregnation shaping mechanism comprises a slurry impregnation module, an infrared melting module and a hot-pressing shaping module which are sequentially arranged along the feeding direction;
• a process deviation correction module and a traction module are arranged between the slurry impregnation module and the airflow spreading module, and the process deviation correction module is located at a feed end of the traction module;
• the cutting mechanism comprises a cutting module, and a floating roller module is arranged between the cutting module and the hot-pressing shaping module;
• the winding mechanism comprises a leftover collecting module and a winding module, wherein both the leftover collecting module and the winding module are located at a discharge end of the cutting module, and a winding deviation correction module is arranged between the winding module and the cutting module;
• wherein the airflow spreading module comprises two airflow spreading assemblies, a sliding module (68) is arranged between the two airflow spreading assemblies, a tension adjusting shaft mounting seat (69) is slidingly arranged on the sliding module (68), a tension adjusting shaft (79) is arranged on the tension adjusting shaft mounting seat (69), and spreading guide shafts are arranged on two upper sides of the tension adjusting shaft (79);
• each airflow spreading assembly comprises a centrifugal fan, the centrifugal fan communicates with an exhaust pipe, the exhaust pipe communicates with a bottom of an airflow spreading duct, and a top of the airflow spreading duct is provided with three polished shafts arranged side by side.