Fiber spreading apparatus

Patent metadata

Field	Value
Publication number	US-11519107-B2
Application number	US-201916729508-A
Country	US
Kind code	B2
Filing date	Dec 30, 2019
Priority date	Nov 22, 2019
Publication date	Dec 6, 2022
Grant date	Dec 6, 2022

Abstract

A fiber spreading apparatus which is configured to spread a carbon fiber bundle, and includes a feeding roll, a winding roll, a vibrating roller, and a first nozzle. The vibrating roller is disposed between the feeding roll and the winding roll, and is in contact with the carbon fiber bundle. The vibrating roller is rotated according to an axis of rotation, and is vibrated along a vibrating direction perpendicular to the axis of rotation. The first nozzle is disposed between the vibrating roller and the winding roll, and blows the carbon fiber bundle.

First claim

What is claimed is:

1. A fiber spreading apparatus configured to spread a carbon fiber bundle, the fiber spreading apparatus comprising:
a feeding roll;
a winding roll;
a vibrating roller disposed between the feeding roll and the winding roll, and the vibrating roller is in contact with the carbon fiber bundle, wherein the vibrating roller is rotated according to an axis of rotation, and the vibrating roller is vibrated along a vibrating direction perpendicular to the axis of rotation;
a first nozzle disposed between the vibrating roller and the winding roll and blowing the carbon fiber bundle;
a platform, wherein the feeding roll, the winding roll, the vibrating roller, and the first nozzle are disposed on the platform;
a carrier slidably disposed on the platform; and
a vibrator provided on the carrier, wherein the vibrating roller is pivotally disposed on the carrier.

2. The fiber spreading apparatus of claim 1 , further comprising an auxiliary roller, wherein the auxiliary roller is disposed between the vibrating roller and the winding roll, and the auxiliary roller is in contact with the carbon fiber bundle.

3. The fiber spreading apparatus of claim 2 , wherein the first nozzle is located between the vibrating roller and the auxiliary roller, the carbon fiber bundle has a first surface and a second surface opposite to the first surface, the vibrating roller is in contact with the first surface, the auxiliary roller is in contact with the second surface, and the first nozzle blows the second surface.

4. The fiber spreading apparatus of claim 2 , wherein the auxiliary roller is a first distance from the feeding roll, the vibrating roller is a second distance from the feeding roll, and a ratio of the second distance and the first distance is between 0.92 and 0.95.

5. The fiber spreading apparatus of claim 4 , wherein a position at which an airflow blown from the first nozzle falls on the carbon fiber bundle is a third distance from e feeding roll, and a ratio of the third distance and the first distance is between 0.93 and 0.98.

6. The fiber spreading apparatus of claim 1 , wherein the platform has a sliding groove, the carrier is slidably connected to the sliding groove, and an extending direction of the sliding groove is parallel to the vibrating direction.

7. The fiber spreading apparatus of claim 1 , further comprising a second nozzle, wherein the second nozzle is located between the first nozzle and the winding roll, and the first nozzle is located between the vibrating roller and the second nozzle.

8. The fiber spreading apparatus of claim 1 , further comprising a second nozzle, wherein the second nozzle is disposed between the feeding roll and the vibrating roller, and the vibrating roller is located between the second nozzle and the first nozzle.

9. The fiber spreading apparatus of claim 1 , wherein a number of strokes per minute of the vibrating roller is between 5000 times and 25000 times.

10. The fiber spreading apparatus of claim 1 , wherein a vibrating stroke of the vibrating roller is between 0.3 mm and 3 mm.

Assignees

• Ind Tech Res Inst

Inventors

• Peng Chih-Kang
• Chen Shih-Ming
• Chen Yu-Cheng

Classifications

• D02J1/18 Primary

  Separating or spreading · CPC title

• D01D11/02

  Opening bundles to space the threads or filaments from one another · CPC title