Laser engraving technique of decorative sheet

Abstract

The invention provides a laser engraving technique of a decorative sheet. The laser engraving technique comprises the following steps that patterns are scanned by a scanner and transmitted to a computer to be stored; according to the scanned patterns, required patterns are designed through graphic software on the computer; pattern information data in the computer are transmitted to a laser engraving machine; a drive program corresponding to the steps is edited and stored in a numerical control system of the laser engraving machine; a laser beam is positioned on the laser engraving machine, time is set according to the depths of the required patterns, a plastic sheet raw material is placed on a laser platform and subjected to laser engraving, and layered machining is conducted; and surface cleaning treatment is conducted on the plastic decorative sheet subjected to laser engraving, and detection and shaping are conducted. According to the laser engraving technique, the defects that in the prior art, when pressing is conducted through a medal mold, the cost is high, and the pattern transformation cycle is long are overcome; and by the adoption of laser engraving, the patterns and characters with the concave sense are uniform, delicate and natural, the edges and corners are smooth, the stereoscopic impression is higher, personality and fashionability are achieved, and a leather imitation effect is achieved when the decorative sheet is applied to automobile inner decoration panels and electronic product shells.

Description

technical field [0001] The invention relates to the field of laser engraving, in particular to a decorative sheet laser engraving process. Background technique [0002] Laser engraving technology is a relatively advanced processing technology in industrial processing, which requires high technical content of optical, mechanical and electrical integration. Laser engraving has efficient, fast, precise and clear automatic engraving functions. The output power of a laser engraving machine is only 900W. Practice has proved that laser power processing is energy-saving and environmentally friendly. There are many kinds of laser equipment on the market, which can be roughly summarized as follows: laser marking, laser welding, laser cutting, laser engraving, laser drilling, laser demonstration, laser plate making machine, laser beauty, laser medical treatment, laser coding, Laser heat treatment and so on. They are all crystallized products of laser technology and software control ...

AI Technical Summary

Problems solved by technology

[0003] Traditional plastic decorative sheets are generally pressed out by metal molds. The production process of traditional technology is slow, the development time is long, the processing efficiency is low, and the used metal molds are useless, resulting in waste and high cost.

Every time a pattern is developed, a mold needs to be made, and the required cost ranges from 10,000 to 100,000. Traditional mold development usually takes one week to one month. If it is an imported mold, it will take longer, and the finished mold cannot be modified.

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