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Vacuum autoclave for motorcycle helmet production and motorcycle helmet molding process

A vacuum autoclave and autoclave technology, applied in the field of helmet production, can solve problems such as internal structure tearing, affecting the impact resistance of the helmet, overall cracks, etc., to achieve protection safety, ensure fault tolerance and operational safety, and ensure The effect of impact strength

Active Publication Date: 2021-07-23
湖北爱骑士体育用品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The shell material is attached to the outer wall of the airbag, and there is a gap between the shell materials. Therefore, during the thermosetting molding process, the resin in the shell material changes from solid to liquid, and small air bubbles will appear in the resin. If these small air bubbles are not effectively removed Will lead to a decrease in the quality of the helmet after thermosetting molding
Small air bubbles destroy the internal structure of the composite material, and stress accumulation is prone to occur at the small air bubbles affected by the impact, resulting in tearing of the internal structure and cracks on the whole, affecting the impact resistance of the helmet

Method used

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  • Vacuum autoclave for motorcycle helmet production and motorcycle helmet molding process
  • Vacuum autoclave for motorcycle helmet production and motorcycle helmet molding process
  • Vacuum autoclave for motorcycle helmet production and motorcycle helmet molding process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] refer to figure 1 , is a vacuum autoclave disclosed in the present invention for the production of motorcycle helmets, comprising an autoclave body 1 and a molding device 10, one end of the autoclave body 1 is fixedly connected with a closure 2; the closure 2 is provided with Heating device 20 (label image 3 ); the other end of the autoclave body 1 is connected with a tank door 3; the autoclave body 1 is connected with a vacuum device 4 communicating with the molding device 10; Device 50 , pressure gauge 52 , safety valve 53 and air intake pipe 51 ; air intake pipe 51 communicates with air intake device 5 .

[0040] refer to figure 2 with image 3 , the forming device 10 includes a vacuum bag 101, preferably a PE bag. A forming mold 102 is arranged inside the vacuum bag 101 ; The vacuum device 4 includes a plurality of connection pipes 41 fixedly connected to the outer wall of the autoclave body 1; one end of the connection pipes 41 communicates with a vacuum tu...

Embodiment 2

[0047] Step 1. Preliminary operation of the molding device 10: the inner wall of the molding mold 102 is attached with composite materials and auxiliary materials; and then the inner and outer surfaces of the molding mold 102 are covered with high-temperature vacuum guide cotton, and then put into the vacuum bag 101.

[0048] Step 2, vacuuming operation: first put the molding device 10 into the autoclave body 1 and at the same time confirm that the gas storage tank 43 is in a normal working state; then connect the joint 103 with the vacuum tube 42; finally open the control valve 44 to start vacuuming, Finally, observe the indication of the air pressure display device 46. If the indication of the vacuum degree is abnormal, then close the corresponding control valve 44, and judge that the quality of the outer casing in the forming mold 102 is not up to standard.

[0049] Step 3, thermosetting molding: turn on the electric heater 23 and simultaneously turn on the drive motor 21 to...

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PUM

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Abstract

The invention relates to a vacuum autoclave used for the production of motorcycle helmets and a motorcycle helmet molding process. The vacuum bag and the joint connected with the forming mold; one end of the autoclave body is fixedly connected with a closure; the closure is provided with a heating device; the other end of the autoclave body is connected with a tank door; Vacuum pumping device; the outer wall of the autoclave is provided with an exhaust device and an air intake pipe sequentially along its length direction; the air intake pipe is connected with an air intake device. The invention has the functions of effectively improving the impact resistance strength of the motorcycle helmet and improving product quality. Solved the problem of low impact strength of motorcycle helmets.

Description

technical field [0001] The invention relates to the technical field of helmet production, in particular to a vacuum autoclave used for motorcycle helmet production and a motorcycle helmet molding process. Background technique [0002] A motorcycle helmet is an essential safety equipment for driving a motorcycle, which is used to protect the head and protect against wind and cold. Currently, refer to Figure 8 The equipment for motorcycle helmet production includes equipment book 6, a heating device 61 arranged on the equipment body, a mold 62 arranged in the equipment body, an air bag 63 for covering the shell material and an inflatable air bag arranged in the equipment body are arranged in the mold. device64. During the production of motorcycle helmets, the airbag 63 pasted with the shell material is placed in the mold 62; the inflator 64 is connected to the mold 62 to form a seal and pressurizes the inside of the airbag 63 so that the shell material of the outer wall is c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C70/44B29C70/54B29L31/48
CPCB29C70/44B29C70/54B29C2791/006B29L2031/4821
Inventor 王春发
Owner 湖北爱骑士体育用品有限公司
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