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Method for preventing product demolding in megawatt blade die locking process

A technology of megawatts and blades, applied in the field of wind power equipment production, to prevent the mold from demoulding

Inactive Publication Date: 2013-10-23
无锡乘风新能源工程科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During the turning process of the upper mold blade, the upper mold blade is prone to the above problems due to its own gravity

Method used

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  • Method for preventing product demolding in megawatt blade die locking process
  • Method for preventing product demolding in megawatt blade die locking process

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Experimental program
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Effect test

Embodiment Construction

[0012] The present invention will be further described below in conjunction with specific drawings.

[0013] The method for preventing product stripping during the mold closing process of the megawatt-level blade comprises the following steps:

[0014] (1) if figure 1 , figure 2 As shown, the blade product 1 is placed in the mold 2, the edge of the mold 2 is the flange side 3, one side of the flange side 3 is connected with the blade product 1, and a seal is set between the flange side 3 and the blade product 1 Bar 4, a sealing strip 4 is also provided between the other side of the flange side 3 and the mold 2, thereby forming a sealed environment between the mold 2 and the blade product 1, ensuring that the mold 2 and the blade product 1 themselves do not leak;

[0015] (2) Arrange the air extraction pipe 5 on the flange side 3, and the sealing strip 4 is also used to seal the air extraction pipe 5 and the flange side 3; vacuumize through the air extraction pipe 5 to make ...

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Abstract

The invention relates to a method for preventing product demolding in a megawatt blade die locking process. The method is characterized in that the method comprises the following steps: 1, placing a blade product in a die for connecting one side of a flange edge which is the edge of the die with the blade product, arranging a sealing strip between the flange edge and the blade product, and arranging a sealing strip between the other side of the flange edge and the die to form sealed environment between the die and the blade product and guarantee no leakage of the die or the blade product; and 2, arranging a suction pipeline on the flange edge, evacuating to the degree of vacuum reaching -0.6 - -0.8atm through the suction pipeline, and dwelling for 10-20min under a constant degree of vacuum to realize the demolding prevention of the blade product. In the invention, the die demolding can be prevented according to the shape of the die and the different characteristics of the blade product, the possibility of a product in the die in the overturning process of a large die when the large die moves is solved, and the blade product can be smoothly demolded only through releasing the pressure in the die.

Description

technical field [0001] The invention relates to a method for preventing product stripping during mold clamping of megawatt-level blades, in particular to a method for preventing mold stripping of an upper mold when molds are clamped up and down, and belongs to the technical field of wind power generation equipment production. Background technique [0002] In today's global energy shortage and environmental protection, the development of renewable energy has become an undisputed important aspect of sustainable energy development. Wind energy is a clean and renewable energy source. According to the analysis of the World Meteorological Organization (WMO), the total global wind energy is 3×10 17 kW, of which the available wind energy is 2×10 10 KW. In wind turbines, composite material components mainly include blades, nacelle covers, shrouds, etc. Among them, the blades are the most used. Fan blades have the characteristics of large size, complex shape, high precision requir...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C70/54B29L31/08
Inventor 潘祖金陈奇杭炎峰杨雷
Owner 无锡乘风新能源工程科技有限公司
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