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Processing technology capable of improving grooving depth consistency during wood laser engraving

A laser engraving and processing technology, which is applied to wood processing equipment, wood treatment, impregnated wood, etc., can solve the problems of reduced aesthetics of engraved patterns, uneven surface of patterns, poor smoothness, etc., and achieve the improvement of engraving depth consistency and smoothness Sexual enhancement, barrier effect enhancement effect

Inactive Publication Date: 2021-02-12
阜南县德盛隆工艺家具有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, when wood is laser engraved, due to the difference in the density of lignin fibers in the wood, when the wood is laser engraved, the degree of carbonization of the surface wood under the high temperature of the laser is different, and the thickness of the carbonized layer appears in parts with different wood fiber densities. The difference in thickness makes the cutting depth of the wood under the action of the laser different, resulting in the pattern formed by laser engraving on the wood surface. The depth of the cutting groove is different, resulting in uneven surface of the pattern and poor smoothness. reduced aesthetics

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A processing technology for improving the consistency of groove depth during wood laser engraving, the specific technology is as follows:

[0017] 1) Grind the wood to be processed with 325# sandpaper to remove the burrs on the surface, blow off the scum on the surface, put it in a constant temperature and humidity environment with a temperature of 25 ° C and a relative humidity of 60% for 40 hours, and adjust the wood’s humidity. The moisture content is 10%. After the wood is taken out, microwave treatment is carried out. The microwave frequency is 10GHz, the microwave power is 50kW, the treatment time is 50s, and it is ready for use;

[0018] 2) According to the mass volume ratio of 5:1g / ml, dissolve the weighed potassium tartrate in deionized water, stir and dissolve at 130r / min, then add polyvinylpyrrolidone according to 0.04% of the mass of potassium tartrate, and continue stirring Dissolve completely, then add appropriate amount of thioacetamide in the mixed solut...

Embodiment 2

[0022]A processing technology for improving the consistency of groove depth during wood laser engraving, the specific technology is as follows:

[0023] 1) Grind the wood to be processed with 325# sandpaper to remove the burrs on the surface, blow off the scum on the surface, put it in a constant temperature and humidity environment with a temperature of 26 ° C and a relative humidity of 62% for 43 hours, and adjust the wood’s humidity. The moisture content is 12%. After the wood is taken out, microwave treatment is carried out. The microwave frequency is 15GHz, the microwave power is 100kW, the treatment time is 80s, and it is ready for use;

[0024] 2) According to the mass volume ratio of 8:1g / ml, dissolve the weighed potassium tartrate in deionized water, stir and dissolve at 150r / min, then add polyvinylpyrrolidone according to 0.05% of the mass of potassium tartrate, and continue stirring Dissolve completely, then add appropriate amount of thioacetamide in the mixed solut...

Embodiment 3

[0028] A processing technology for improving the consistency of groove depth during wood laser engraving, the specific technology is as follows:

[0029] 1) Grind the wood to be processed with 325# sandpaper to remove the burrs on the surface, blow off the scum on the surface, and put it in a constant temperature and humidity environment with a temperature of 28°C and a relative humidity of 65% for 45 hours to adjust the wood’s humidity. The moisture content is 15%. After the wood is taken out, microwave treatment is carried out. The microwave frequency is 20GHz, the microwave power is 100kW, and the treatment time is 100s.

[0030] 2) According to the mass volume ratio of 10:1g / ml, dissolve the weighed potassium tartrate in deionized water, stir and dissolve at 160r / min, then add polyvinylpyrrolidone according to 0.08% of the mass of potassium tartrate, and continue stirring Dissolve completely, then add appropriate amount of thioacetamide to the mixed solution, control the m...

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Abstract

The invention discloses a processing technology capable of improving grooving depth consistency during wood laser engraving, and relates to the technical field of wood processing. The processing technology comprises the following specific steps of (1), adjusting the moisture content of wood, and then carrying out microwave treatment; (2), carrying out pretreatment processing on the wood; (3), performing vacuum pressure impregnation treatment on the pretreated wood; and (4), putting the treated wood into a microwave plasma device to be subjected to nitriding treatment, and then completing processing treatment of the wood. According to the technology, an antimony sulfide thin film is constructed and formed in the wood through the vacuum pressure impregnation treatment, a nano-particle layeris formed on the thin film through accumulation, so that high-temperature heat generated by laser can be effectively blocked and consumed, during laser engraving of the wood, the depths of generated cutting grooves are almost the same, the wood carving depth consistency is improved, patterns carved on the surface of the wood are consistent in depth and smoothness, and the attractiveness of the patterns is also improved.

Description

technical field [0001] The invention belongs to the technical field of wood processing, and in particular relates to a processing technology for improving the consistency of groove depth during laser engraving of wood. Background technique [0002] Wooden relief has the advantages of beautiful shape, firmness, and easy long-term preservation, and is very popular among people. Its production methods mainly include manual tool engraving, automatic mechanical engraving and mold printing. The traditional contact processing has its own advantages and disadvantages. Although the relief carved by artificial tools is exquisite and delicate, the quality of the carving mainly depends on the skill level of the workers. The processing time is long and the efficiency is low, so it is suitable for small batch production. Automated mechanical engraving has the advantages of fast speed and large format, and is suitable for mass production. However, the engraving quality is limited by the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24B9/18B27K3/52B27K5/00
CPCB24B9/18B27K3/52B27K5/0055
Inventor 马淼
Owner 阜南县德盛隆工艺家具有限公司
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