US 12,252,817 B2
Air disturbance type carbon fiber spreading device
Ming Huang, Zhengzhou (CN); Jun Zhou, Zhengzhou (CN); Na Zhang, Zhengzhou (CN); Chuntai Liu, Zhengzhou (CN); Yuhu Chen, Zhengzhou (CN); Yang Wang, Zhengzhou (CN); Xianzhang Shi, Zhengzhou (CN); and Wei Wei, Zhengzhou (CN)
Assigned to ZHENGZHOU UNIVERSITY, Zhengzhou (CN)
Appl. No. 18/260,025
Filed by ZHENGZHOU UNIVERSITY, Zhengzhou (CN)
PCT Filed Sep. 8, 2022, PCT No. PCT/CN2022/117678
§ 371(c)(1), (2) Date Jun. 29, 2023,
PCT Pub. No. WO2023/116059, PCT Pub. Date Jun. 29, 2023.
Claims priority of application No. 202111589981.4 (CN), filed on Dec. 23, 2021.
Prior Publication US 2024/0060219 A1, Feb. 22, 2024
Int. Cl. D02J 1/18 (2006.01)
CPC D02J 1/18 (2013.01) [D10B 2101/12 (2013.01); D10B 2505/02 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A carbon fiber spread device, comprising an unwinding mechanism, a spreading mechanism, a winding mechanism which are sequentially arranged along a feeding direction, wherein the unwinding mechanism comprises an unwinding module; the unwinding module comprises at least one unwinding assembly, a carbon fiber roll (2) is placed on the unwinding assembly, and an unwinding tension control module is arranged at a discharge end of the unwinding assembly;
the spreading mechanism comprises an airflow disturbance spreading module, the airflow disturbance spreading module is located at a discharge end of the unwinding tension control module; the winding mechanism comprises a winding module; both a winding tension stabilization module and a deviation correction module are provided between the winding module and the airflow disturbance spreading module; and the airflow disturbance spreading module and the deviation correction module are respectively located at a feed end and a discharge end of the winding tension stabilization module; and the winding module is located at a discharge end of the deviation correction module;
the airflow disturbance spreading module comprises two airflow disturbance spreading assemblies, each airflow disturbance spreading assembly includes a centrifugal fan, the centrifugal fan communicates with a bottom of an airflow duct, and three spreading guide shafts are arranged side by side on a top of the airflow duct; a tension adjusting assembly is provided between the two airflow disturbance spreading assemblies; carbon fiber (6) is transmitted and guided by the three spreading guide shafts to achieve a uniform dispersion, and the tension adjusting assembly are configured to adjust tensile force of the carbon fiber (6); and one of the three spreading guide shafts (13) is located at an upper port of the airflow duct and is connected to a slider module (34).