A kind of automobile underbody protective plate of LFT plate and production method thereof

Abstract

The invention belongs to the technical field of LFT boards, in particular to an automobile bottom guard board made of LFT boards, including a mounting base plate, fixed connectors are fixedly installed at the four corners of the mounting base plate, and an upper surface is fixedly welded on the lower surface of the mounting base plate pickguard. The automobile bottom guard plate of the LFT plate and its production method have achieved the effect of dividing the LFT plate, especially when the upper surface of the upper guard plate and the lower surface of the lower guard plate are arc-shaped, the lower guard plate The arc shape of the lower surface of the lower surface can increase the contact area of ​​the lower surface, and at the same time, it is in the shape of an arc downward. Using the mechanical principle of the arch bridge, a horizontal scratch or impact force is originally generated when the lower surface of the lower guard plate is in contact with the object. The bending moment stress becomes compressive stress or most of it is converted into compressive stress, which makes the structure more stable and bears higher pressure, thus solving the problem that the existing LFT sheet used for the car bottom guard plate is in contact with the horizontal front line Technical issues with rigid contact.

Description

technical field [0001] The invention relates to the technical field of LFT plates, in particular to an automobile bottom guard plate made of LFT plates and a production method thereof. Background technique [0002] The grid holes on the LFT sheet are not through holes, and need to be processed and punched later. After the sheet is punched, the pressure on the sheet will become smaller. When used for the bottom guard of a car, the LFT sheet needs to be able to withstand greater pressure. Punching holes are processed on the LFT sheet itself, and ordinary car bottom guards are generally one-time stamped concave shells, which will be directly deformed after being subjected to a large pressure, and are basically horizontal rigid contact when impacted, and Most of them are the front edge of the bottom guard plate in contact with the object in the form of line contact or small surface contact, and damage the auto parts after the concave shape is damaged, and the replacement also ne...

AI Technical Summary

Problems solved by technology

[0002] The grid holes on the LFT sheet are not through holes, and need to be processed and punched later. After the sheet is punched, the pressure on the sheet will become smaller. When used for the car bottom guard, the LFT sheet needs to be able to withstand greater pressure. Punching holes are processed on the LFT sheet itself, and ordinary car bottom guards are generally one-time stamped concave shells, which will be directly deformed after being subjected to a large pressure, and basically have a horizontal rigid contact when impacted, and Most of the front edge of the bottom guard plate is in contact with the object in the form of line contact or small surface contact, and damages the auto parts after destroying the concave shape. The replacement also needs to replace the entire guard plate

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