A method for processing straight-grained wood using laser cutting

Abstract

The invention discloses a method for processing straight line lumber by using a laser. The invention comprises a material feeding mechanism and a laser cutting mechanism, a plurality of groups of laser cutting mechanisms with the power of 10Watt or 100Watt grades which are arranged on the work piece travel, each laser head emits a laser beam simultaneously, and the center points are positioned on the same cutting plane, the work piece is pushed in a straight line to pass through each laser head, a first group laser beam cuts on the work piece to generate a first layer of cutting slot, a second group laser beam cuts to generate a second layer of cutting slot on the base of a first cutting slot of the work piece, a third group laser beam cuts to generate a third layer of cutting slot on the base of a second cutting slot of the work piece, after passing through the plurality of groups of laser heads, the total depth of the cutting slot of the accumulated cutting on the work piece of the laser beam is larger than or equal to the depth of the work piece, the work piece is completely cut, and the next cutting is performed in circulation. The design of the invention has the advantages that the manufacture cost and the price cost are low, the processing precision is high, and the cutting efficiency is high, and the invention is very suitable for the straight line cutting processing of slice material in the decoration and furniture processing industry.

Description

technical field [0001] The invention relates to the fields of wood and woodworking cutting processing, in particular to a method for cutting wood by using a medium and low power laser. Background technique [0002] In the traditional decoration and furniture processing industry, saw blades and circular saw blades are generally used to cut wood. They have been used for a long time in the wood product industry and occupy a very important position, but they still have many defects, such as : When cutting, there is a lot of dust and noise, and the sawing path is wide. Cutting with a laser can overcome the shortcomings of traditional sawing of wood products. The cutting principle is that the laser beam gathers energy through the focusing mirror, and the material absorbs the energy and instantly vaporizes to form tiny holes. Generally, the diameter of the cut hole is 0.2mm to 0.4mm. The workpiece moves relative to the laser beam through the feeding table, forming a narrow cutting...

AI Technical Summary

Problems solved by technology

However, due to technical limitations, the power of domestic lasers is generally ten watts or one hundred watts. When cutting wood products, the cutting depth of a single laser generator is only a few millimeters, and the cutting capacity and cutting efficiency are far from satisfactory. actual production needs

However, the power of foreign high-power laser generators is kilowatt-level, and the laser beam can directly process and cut wood with a depth of about 25mm. The processing speed is about 1m / min, but its price is expensive, and each unit is worth millions. Generally, it is about 100 times the price of domestic lasers, and the follow-up service fee is also quite expensive

Therefore, technology and price factors limit the promotion and application of environmentally friendly and energy-saving lasers in the woodworking industry

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