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Top cover beam structure and ship type electrophoresis method

A beam and top cover technology, applied in the direction of electrophoretic plating, upper structure, upper structure sub-assembly, etc., can solve the problems that affect the structural strength, the gas cannot be discharged, and the cavitation problem of the top cover beam cannot be solved.

Active Publication Date: 2013-11-20
ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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Problems solved by technology

This is beneficial to eliminate the air pocket between the roof beam and the roof. However, since the roof beam generally has a "several" shape, the expansion angle between the front facade and the rear facade should not be too large, generally 10- 40 degrees (that is, the angle with the top surface is 95° to 110°), otherwise it will affect the structural strength, and the angle of the "boat" type electrophoresis body into the groove and out of the groove generally does not exceed 45 degrees, so the roof beam will be A part of the accumulated gas cannot be discharged, so the cavitation phenomenon of the roof beam is the most serious, and some even have no electrophoretic film, and the technical solution disclosed in the above patent document cannot solve the cavitation problem of the roof beam

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  • Top cover beam structure and ship type electrophoresis method
  • Top cover beam structure and ship type electrophoresis method
  • Top cover beam structure and ship type electrophoresis method

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Embodiment Construction

[0029] combine figure 1 , figure 2 , which respectively show the flipping electrophoresis process and the "boat" electrophoresis process of the body-in-white. Depend on figure 1 It can be seen that during flipping electrophoresis, the body-in-white is moving forward in the electrolyte such as figure 1 The direction indicated by the middle arrow is flipped for at least one week. This process can ensure that all the air in all parts of the body-in-white is discharged without causing cavitation. However, at the same time, flipping electrophoresis has the disadvantage of insufficient thickness of the electrophoretic film on the lower part of the body-in-white. Depend on figure 2 It can be seen that in the "boat" type electrophoresis, according to figure 2 In the direction indicated by the middle arrow, the body-in-white enters the tank at a certain angle. After being fully immersed in the electrolyte, it exits the tank at a certain angle. Generally, the angle of entering an...

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Abstract

The invention provides a top cover beam structure. The cross section of the top cover beam structure is in a shape of a Chinese character 'Ji' and is provided with a front vertical face, a back vertical face and a top face. The front vertical face and the back vertical face expand to form one prismatic table or a plurality of prismatic tables at intervals. The included angle alpha between the front prismatic table face and the top face and between the back prismatic table face and top face meets the inequation that 120 degrees<=alpha<180 degrees. The invention further discloses a method for conducting electrophoresis on the car body of the top cover beam. The top cover beam structure and the ship type electrophoresis method eliminate the problem of cavitation of ship type electrophoresis so as to avoid a large amount of investment needed by improvement of ship type electrophoresis production lines.

Description

technical field [0001] The invention relates to the field of automobiles, in particular to a roof beam structure and a method for performing "boat" electrophoresis on automobiles. Background technique [0002] At present, the mainstream body-in-white electrophoresis methods include the flip type and the "boat" type (also known as the suspension type, and the swing rod chain type is widely used). In the reverse electrophoresis process, the body-in-white is turned over in the electrophoresis tank, while in the "boat" type electrophoresis process, the body-in-white enters and exits the tank at a certain angle without turning over. In "Automotive Technology and Materials", 2006(1):38-40, author: Gao Chengyong and Li Wengang, titled: "Application of Car Body Turning Conveying Technology in Pretreatment and Electrophoresis Process", the author carried out two electrophoresis methods For comparison, the advantages of flip electrophoresis are discussed, and it is pointed out that t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62D25/06C25D13/12
Inventor 阚洪贵鲁后国
Owner ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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