Winding Method Using Air Expansion Structure

Abstract

Disclosed is a winding method using an air expansion structure, which accurately controls the winding process by preset inflation parameter values and preset winding parameter values, so as to create space for a membrane to contract after winding, that is, to relieve the stress of the membrane, so as to avoid the situation of deviation or innermost side wrinkling during winding of the membrane, and the rewinding procedure is not needed, so that the complexity of the working procedure is reduced.

What is claimed is: 
     
         1 . A winding method using an air expansion structure, comprising the following steps:
 arranging an air expansion structure on a winding device;   setting a preset inflation parameter value at the winding device to input a gas to inflate the air expansion structure, so that a sleeve arranged on the air expansion structure is expanded to a first preset diameter,   arranging a membrane on the sleeve;   setting a preset winding parameter value at the winding device for winding, so that the membrane is wound; and   removing the gas from the air expansion structure to contract the sleeve to a second preset diameter,   wherein, a distance is generated between the sleeve and the membrane.   
     
     
         2 . The winding method using an air expansion structure according to  claim 1 , wherein the preset inflation parameter value is 1.0-5.0 kg/cm 2 . 
     
     
         3 . The winding method using an air expansion structure according to  claim 1 , wherein the preset inflation parameter value is 1.0-3.5 kg/cm 2 . 
     
     
         4 . The winding method using an air expansion structure according to  claim 1 , wherein the preset inflation parameter value is 2.2-2.5 kg/cm 2 . 
     
     
         5 . The winding method using an air expansion structure according to  claim 1 , wherein the first preset diameter is 660-691 mm, and the second preset diameter is 650-655 mm. 
     
     
         6 . The winding method using an air expansion structure according to  claim 1 , wherein the preset winding parameter value comprises a tension parameter, which comprises a winding tension, and the winding tension is 0.1-0.7 kg·m/s 2 . 
     
     
         7 . The winding method using an air expansion structure according to  claim 6 , wherein the winding tension is 0.15-0.60 kg·m/s 2 . 
     
     
         8 . The winding method using an air expansion structure according to  claim 6 , wherein the winding tension is 0.18-0.22 kg·m/s 2 . 
     
     
         9 . The winding method using an air expansion structure according to  claim 6 , wherein the tension parameter comprises an unwinding tension, and the unwinding tension is 0.6-1.2 kg·m/s 2 . 
     
     
         10 . The winding method using an air expansion structure according to  claim 1 , wherein the preset winding parameter value comprises a stress value of the coated membrane, and the stress value of the coated membrane is 11.8-37.2 N. 
     
     
         11 . The winding method using an air expansion structure according to  claim 10 , wherein the stress value of the coated membrane is 23.8-27.2 N. 
     
     
         12 . The winding method using an air expansion structure according to  claim 1 , wherein the preset winding parameter value comprises a temperature parameter, which comprises an oven temperature and a winding temperature, and the oven temperature is 45-85° C. 
     
     
         13 . The winding method using an air expansion structure according to  claim 1 , wherein the air expansion structure comprises:
 a shaft;   an airbag, arranged at one side of the shaft, wherein the airbag expands or contracts when a gas is input or removed;   a link structure, comprising a first column, a second column, a plurality of first fixing blocks, a plurality of second fixing blocks and a link, wherein the first column and the second column are arranged adjacent to each other, the first fixing blocks are arranged on the first column, the second fixing blocks are arranged on the second column, and the link is connected with the first fixing blocks and the second fixing blocks, so that the first column and the second column are arranged in a ring shape to be annularly arranged outside the airbag so as to define the airbag; and   a plurality of expansion shaft plates, wherein each expansion shaft plate is connected with the link structure by a connector, and one side of the expansion shaft plates is arranged between the first column and the second column, so that the expansion shaft plates are pushed due to the expansion of the airbag or restored to an original position due to the contraction of the airbag.   
     
     
         14 . The winding method using an air expansion structure according to  claim 13 , wherein the air expansion structure comprises a first cover and a second cover, the first cover is arranged at one end of the link structure, and the second cover is arranged at the other end of the link structure so as to fix the link structure. 
     
     
         15 . The winding method using an air expansion structure according to  claim 13 , wherein the connector is a pull rod or a spring. 
     
     
         16 . The winding method using an air expansion structure according to  claim 13 , wherein the connector penetrates the side of the expansion shaft plates, and is connected between the first column and the second column; when the airbag expands, the expansion shaft plates are pushed to a position by the connector, and when the airbag contracts, the expansion shaft plates are restored to an original position from the position by the connector. 
     
     
         17 . The winding method using an air expansion structure according to  claim 13 , wherein a cross section of the expansion shaft plate presents a T-shaped structure, and the side of the expansion shaft plates through which the connector penetrates is a protruding side, while the other side of the expansion shaft plates is of an arc-shaped structure. 
     
     
         18 . The winding method using an air expansion structure according to  claim 13 , wherein the number of the expansion shaft plates is 6 to 15.