High-efficiency filament helical winding devices

Patent metadata

Field	Value
Publication number	US-11511476-B1
Application number	US-202217805463-A
Country	US
Kind code	B1
Filing date	Jun 5, 2022
Priority date	Jun 7, 2021
Publication date	Nov 29, 2022
Grant date	Nov 29, 2022

Abstract

The present disclosure provides a high-efficiency filament helical winding device, which includes a frame body and a plurality of multi-filar guides. The frame body is provided with a through-hole, the plurality of multi-filar guides distributed in a circumference along a center of the through-hole are rotationally connected to the frame body and filament is extended out from each multi-filar guide in the plurality of multi-filar guides, and the frame body is provided with a first driving mechanism that drives each multi-filar guide to rotate.

First claim

What is claimed is:

1. A high-efficiency filament helical winding device, comprising a frame body and a plurality of multi-filar guides, wherein
the frame body is provided with a through-hole, the plurality of multi-filar guides distributed in a circumference along a center of the through-hole are rotationally connected to the frame body, and filament is extended out from each multi-filar guide in the plurality of multi-filar guides, and the frame body is provided with a first driving mechanism that drives each multi-filar guide to rotate;
each multi-filar guide is rotationally connected to the frame body through a coupling sleeve, the coupling sleeve is rotationally connected to the frame body, each multi-filar guide is slidably connected to the coupling sleeve, and the first driving mechanism is connected to the coupling sleeve to drive the each multi-filar guide to rotate;
the high-efficiency filament helical winding device further includes a telescopic mechanism that drives each multi-filar guide to slide along the coupling sleeve, the telescopic mechanism includes a plurality of shifting fork mechanisms and a second driving mechanism, each multi-filar guide is connected to a shifting fork mechanism in the plurality of shifting fork mechanisms, the shifting fork mechanism includes a shifting fork and a guide rod, the guide rod is fixedly connected to the frame body, the shifting fork is slidably connected to the guide rod, and one end of the shifting fork is rotationally connected to the multi-filar guide, and the second driving mechanism is connected to the shifting fork to drive the shifting fork to slide along the guide rod;
the second driving mechanism includes a second driving element, a second gear transmission mechanism, and a plurality of lead screw and nut mechanisms, each shifting fork is connected to a lead screw and nut mechanism, one end of lead screw in the lead screw and nut mechanism is fixedly connected to the shifting fork, and nut in the lead screw and nut mechanism is rotationally connected to the frame body;
the second gear transmission mechanism includes a second gear ring and a plurality of second connecting columns, the second gear ring is rotationally connected to the frame body, and the second gear ring is driven to rotate through the second driving element, the plurality of second connecting columns are rotationally connected to the frame body, each lead screw and nut mechanism is connected to a second connecting column in the plurality of second connecting columns, the second connecting column is driven to rotate through rotation of the second gear ring, the second connecting column drives the multi-filar guide to expand and contract, and one end of the second connecting column is provided with a second connecting gear meshing with the second gear ring, and the other end of the second connecting column is provided with a second transmission gear meshing with the external gears of the nut; and
the second gear ring is rotationally connected to the frame body through a slewing bearing, the second gear ring is slidably connected to the slewing bearing, a third driving mechanism is arranged between the second gear ring and the slewing bearing, the second gear ring is driven to slide axially through the third driving mechanism, the plurality of second connecting columns is divided into at least two groups, the second gear ring is meshed with second connecting gears on one or more groups of second connecting columns through movement of the second gear ring to drive corresponding multi-filar guide to expand and contract, and the second driving element is connected to the slewing bearing.

2. The high-efficiency helical winding devices of claim 1 , wherein the multi-filar guide is a hollow rod with two openings at both ends, the filament enters the hollow rod from an opening at one end and extends out from other opening at the other end, the other end of the hollow rod is flat, and a shape of the other end is the same as a cross-section shape of the filament.

3. The high-efficiency helical winding devices of claim 1 , wherein the first driving mechanism includes a first driving element and a first gear transmission mechanism, and the first driving element is connected to each multi-filar guide through the first gear transmission mechanism to drive each multi-filar guide to rotate.

4. The high-efficiency helical winding devices of claim 3 , wherein the first gear transmission mechanism includes a first gear ring and a plurality of first connecting columns, the first gear ring is rotationally connected to the frame body, and the first driving element is connected to the first gear ring to drive the first gear ring to rotate, the plurality of first connecting columns are rotationally connected to the frame body, each multi-filar guide is connected to a first connecting column in the plurality of first connecting columns, the first connecting column is driven to rotate through rotation of the first gear ring, the first connecting column drives the multi-filar guide to rotate, one end of the first connecting column is provided with a first connecting gear meshing with the first gear ring, and the other end of the first connecting column is provided with a first transmission gear meshing with a first driving gear on the multi-filar guide.

5. The multi-filament helical winding devices of claim 4 , wherein the first gear ring is a double gear ring, inner gear of which is meshed with the first connecting gear, outer gear of which is meshed with the first driving element through a first worm or gears, and the first worm is rotationally connected to the frame body.

6. The multi-filament helical winding devices of claim 1 , wherein the second driving element is meshed with gears of the slewing bearing through gears or a second worm to drive the second gear ring to rotate.

Assignees

• Univ Taiyuan Technology

Inventors

• Liang Jianguo
• Yin Weilin
• Zhao Chunjiang
• Zhu Yanchun
• Wang Chen
• Zhang Qi
• Zhao Xiaodong

Classifications

• B29L2031/7156

  Pressure vessels · CPC title

• B29C53/8016

  Storing, feeding or applying winding materials, e.g. reels, thread guides, tensioners · CPC title

• B29C53/70 Primary

  and moving axially · CPC title

• B29C53/602

  for tubular articles having closed or nearly closed ends, e.g. vessels, tanks, containers · CPC title

• B29C53/58 Primary

  helically · CPC title