Automobile bottom guard plate of LFT plate and production method thereof

Abstract

The invention belongs to the technical field of LFT plates, particularyly relates to an automobile bottom guard plate of an LFT plate, the automobile bottom guard plate of LFT plate comprises a mounting substrate, wherein fixed connecting pieces are fixedly arranged at four corners of the mounting substrate; and an upper guard plate is fixedly welded on the lower surface of the mounting substrate. The automobile bottom guard plate of the LFT plate and the production method thereof achieve the effect of dividing the plate of the LFT plate, and particularly when the upper surface of the upper guard plate and the lower surface of the lower guard plate are arc-shaped, the arc-shape of the lower surface of the lower guard plate can increase the contact area of the lower surface of the lower guard plate, meanwhile, the lower guard plate is downward in arc-shape. By utilizing the mechanical principle of the arch bridge, a horizontal scraping or impact force is utilized to convert bending moment stress originally generated when the lower surface of the lower protection plate is contacted with an object into compressive stress or most of bending moment stress is converted into compressivestress, so that the structure is more stable in stress and higher in bearing pressure, thereby solving the technical problem that the existing LFT plate used for the automobile bottom guard plate is in rigid contact in a horizontal front line contact mode.

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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