Method for welding plastic cylinder hood of gasoline engine by vortex heating
An eddy current heating and plastic cylinder technology is applied in the field of high-frequency induction generating eddy current heating and welding of gasoline engine plastic cylinder head covers. Reliable and firm welding effect
Inactive Publication Date: 2010-01-27
LINYI SHENGYUAN PLASTIC IND
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Problems solved by technology
[0002] At present, the connection method of plastic cylinder head cover of gasoline engine is generally bonded with plastic adhesive. This method has defects such as air leakage at the bonding place, weak bonding, and low yield.
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[0012] like figure 1 , figure 2 , image 3 , Figure 4 , as shown, a metal element (2) matching the shape of the plastic cylinder head cover (1) is set between the plastic cylinder head cover seat (3) and the plastic cylinder head cover (1), and the plastic cylinder head cover (1) (1) Add a high-frequency induction element on the periphery, connect the high-frequency induction element to the high-frequency induction device, and cause the metal element (2) to generate eddy current heat through electrification induction, so that the plastic cylinder head cover seat (3) and the plastic cylinder head The cover (1) is melted and welded as one.
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The invention discloses a method for welding a plastic cylinder hood of a gasoline engine by vortex heating. The plastic cylinder hood comprises a plastic cylinder hood base, a plastic cylinder hood cover and metal components and is characterized in that the metal components matched with the plastic cylinder hood cover in shape are arranged between the plastic cylinder hood base and the plastic cylinder hood cover, high frequency induction elements are arranged at the periphery of the plastic cylinder hood cover, through high frequency inducting, the metal components generate vortex to become hot, so that the plastic cylinder hood base and the plastic cylinder hood cover are melt and welded as one part.
Description
technical field [0001] The invention relates to a welding method for a gasoline engine plastic cylinder head cover, in particular to a method for welding a gasoline engine plastic cylinder head cover by using high-frequency induction to generate eddy current heating. Background technique [0002] At present, the plastic cylinder head cover connection method of gasoline engine is generally bonded with plastic adhesive. This method has defects such as air leakage at the bonding place, weak bonding, and low yield. Contents of the invention [0003] The object of the present invention is to provide a welding method for a plastic cylinder head cover of a gasoline engine, which has the advantages of no air leakage at the welding place, reliable and firm welding, and high yield. [0004] The technical scheme adopted in the present invention is that a metal element matching the shape of the plastic cylinder head cover is arranged between the plastic cylinder head cover seat and th...
Claims
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IPC IPC(8): B29C65/04
Inventor 李洪卿徐明立张洪伟
Owner LINYI SHENGYUAN PLASTIC IND