Filament winding devices

Patent metadata

Field	Value
Publication number	US-11534956-B1
Application number	US-202217805464-A
Country	US
Kind code	B1
Filing date	Jun 5, 2022
Priority date	Jun 7, 2021
Publication date	Dec 27, 2022
Grant date	Dec 27, 2022

Abstract

The present disclosure provides a filament winding device, which includes a helical winding device, a circumferential winding device, and a fixing device, a workpiece is clamped through the fixing device that drives the workpiece to rotate radially and move axially, the workpiece is performed helical winding through the helical winding device, and the workpiece is performed circumferential winding through the circumferential winding device.

First claim

What is claimed is:

1. A filament winding device, comprising a helical winding device, a circumferential winding device, and a fixing device, wherein
a workpiece is clamped through the fixing device that drives the workpiece to rotate radially and move axially, the workpiece on the fixing device is performed helical winding through the helical winding device, and the workpiece on the fixing device is performed circumferential winding through the circumferential winding device;
the helical winding device includes a frame body and a plurality of multi-filar guides, the frame body is provided with a second through-hole, the plurality of multi-filar guides distributed in a circumference along a center of the second 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;
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, and each multi-filar guide is slidably connected to the coupling sleeve;
the first driving mechanism is connected to the coupling sleeve to drive each multi-filar guide to rotate;
the helical winding device further includes a telescopic mechanism that drives each multi-filar guide to slide along the coupling sleeve;
the circumferential winding device includes a frame, a fixing plate, a plurality of filament bundle cylinders, a bundle collecting device, and a guidewire component, the fixing plate is rotationally connected to the frame, and the fixing plate is connected to a driving element that drives the fixing plate to rotate;
each filament bundle cylinder in the plurality of the filament bundle cylinders corresponds to a tension controller;
a middle part of the fixing plate is provided with a first through-hole, and each filament bundle cylinder distributed in a circumference along a center of the first through-hole is rotationally connected to the fixing plate, and each tension controller is fixedly connected to the fixing plate;
the fixing plate is provided with a plurality of winding rollers, each winding roller in the plurality of winding rollers is located outside of each filament bundle cylinder, and each winding roller distributed in the circumference along the center of the first through-hole is rotationally connected to the fixing plate; and
the bundle collecting device and the guidewire component are fixed on the fixing plate, filament bundle wound on each filament bundle cylinder is extended out from the guidewire component after passing through a corresponding tension controller and a corresponding winding roller successively and converging by the bundle collecting device.

2. The device of claim 1 , wherein the bundle collecting device includes a bracket and a guide plate, one end of the bracket is fixedly connected to the fixing plate and other end of the bracket is fixedly connected to the guide plate, and two ends of the guide plate are provided with guide gears respectively;
an upper end of the guide plate is fixedly provided with a transition plate, which is provided with transition gears; and
the filament is extended out from the guidewire component after passing through the transition gears and the guide gears successively.

3. The device of claim 1 , wherein the guidewire component includes a guidewire frame and a pressure head, the guidewire frame is fixedly connected to the fixing plate, the pressure head is fixedly connected to the guidewire frame, and the filament bundle is extended from a gap between the pressure head and the guidewire frame.

4. The device of claim 1 , wherein each multi-filar guide is a hollow rod with two openings at both ends, and the filament enters the hollow rod from an opening at one end and extends out from an opening at other end;
a shape of 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.

5. The device 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.

6. The device of claim 5 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, and each multi-filar guide is connected to a first connecting column in the plurality of first connecting columns; and
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 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.

7. The device of claim 1 , wherein the telescopic mechanism includes a plurality of shifting fork mechanisms and a second driving mechanism, wherein
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.

8. The device of claim 7 , wherein the second driving mechanism includes a second driving element, a second gear transmission mechanism, and a plurality of lead screw and nut mechanisms, wherein
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 by the second driving element;
the plurality of second connecting columns are rotationally connected to the frame body, and each lead screw and nut mechanism is connected to a second connecting column in the plurality of second connecting columns; and
the second connecting column is driven to rotate through the rotation of the second gear ring, the second connecting column drives the multi-filar guide to expand and contract, one end of the second connecting column is provided with a second connecting gear meshing with the second gear ring, and other end of the second connecting column is provided with a second transmission gear meshing with outer gears of the nut.

9. The device of claim 1 , wherein the fixing device includes a clamper and a movable seat, wherein
the clamper is rotationally connected to the movable seat, the movable seat is provided with a rotating motor connected to the clamper, and the clamper is driven to rotate through the rotating motor; and
a bottom of the movable seat is provided with a movable mechanism that drives the movable seat to move.

Assignees

• Univ Taiyuan Technology

Inventors

• Liang Jianguo
• Zhao Xiaodong
• Liu Jianglin
• Li Hui
• Guo Junjie
• Gao Haifeng
• Zhao Runtian

Classifications

• B29C53/58 Primary

  helically · CPC title

• B29L2031/7156

  Pressure vessels · CPC title

• B29C53/602

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

• B29C53/64 Primary

  and moving axially · CPC title

• B29C53/8016

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