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A flanging process and pre-flanging device

A pre-flanging and process technology, applied in the field of automobile panel molding, can solve the problems of scrap parts, production stoppage, affecting the surface quality of the side wall outer plate, etc., and achieve the effect of eliminating waves and dark pits and reducing the trend of material demand.

Active Publication Date: 2021-10-08
CHINA FIRST AUTOMOBILE
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Problems solved by technology

When flanging, since the tail light area of ​​the side wall outer panel is formed as a one-time overall flanging, and the material is obtained from the outer side of the side wall outer panel, a large number of waves and waves are generated at the corners of the tail light area of ​​the side wall outer panel. Dark pits, waves and dark pits not only affect the surface quality of the side panel, if the situation is serious, it will cause production shutdown and scrap parts

Method used

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  • A flanging process and pre-flanging device

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Embodiment Construction

[0029] In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved clearer, the technical solutions of the embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only the technical solutions of the present invention. Some, but not all, embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts belong to the protection scope of the present invention.

[0030] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected" and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integrated ; It can be a mechanical connection or an electrical connection; it can be a d...

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Abstract

The invention relates to the technical field of automobile cover molding, and discloses a flanging process and a pre-flange device, wherein the flanging process includes dividing the tail light area of ​​the side wall outer panel into two parts; putting the side wall outer panel into the pre-flange In the device, the pre-flange device is used to stamp and pre-flange the taillight area of ​​the side wall outer panel which is divided into two parts, so that the tail light area of ​​the side wall outer panel forms a pre-flange structure bent to the inner side; the side wall outer panel The board is taken out from the pre-flange device and put into the flange device; the side wall outer panel is punched and flanged by using the flange device to obtain a side wall outer panel with a flange structure. Through the above method, the flanging process can reduce the material tendency of the side wall outer panel from the outer side, and help eliminate waves and dark pits on the outer side of the side wall outer panel in the tail light area.

Description

technical field [0001] The invention relates to the technical field of automobile cover molding, in particular to a flanging process and a pre-flange device. Background technique [0002] With the development of society, cars have become an indispensable part of people's lives, and people have higher and higher requirements for the appearance of cars. [0003] Due to the technical requirements and aesthetic requirements, the side panel parts of the automobile need to be flanged. When flanging, because the tail light area of ​​the side wall outer panel is formed as a one-time integral flanging, and the material is obtained from the outer side of the side wall outer panel, a large number of waves and waves are generated at the corners of the tail light area of ​​the side wall outer panel. Dark pits, waves and dark pits not only affect the surface quality of the side panel, if the situation is serious, it will cause production shutdown and scrap parts. Contents of the invent...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21D19/08B21D53/88B21D37/10
CPCB21D19/08B21D37/10B21D53/88
Inventor 张新龙孟炬任闯丛培林王鑫王昊一韩博孟令园孙树森牛恒仁
Owner CHINA FIRST AUTOMOBILE
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