A processing technology for achieving LOGO highlight effect on matte surface

Abstract

The processing technology of realizing the highlight effect of LOGO on the matte surface of the present invention is made by the following steps: step one, sandblasting, step two, cleaning, step three, placing the cleaned part of step two in a dust-free workshop for three times of laser engraving, each laser engraving process has two laser engravings at different angles to obtain a laser engraved part, step four, oxidizing the laser engraved part of step three to obtain a workpiece with a highlight effect at the LOGO position. The processing technology of realizing the highlight effect of LOGO on the matte surface of the present invention, when applied, uses three laser engraving parameters to perform laser engraving twice at different angles to make the LOGO position present a highlight effect, and the whole process only needs four processes, which greatly omits the processing process and processing cost, and significantly improves the yield rate. After production, the whole defect rate is 0.2%, and the operation of each processing process is simple and easy for operators to operate.

Description

Technical Field

[0001] The present invention relates to the field of processing of electronic product back covers, and in particular to a processing technique for achieving a LOGO highlight effect on a matte surface. Background Art

[0002] Most of the existing 3C products such as laptops and projectors prefer to have a matte grey outer shell (i.e., back shell). The grey outer shell also needs to be printed with a LOGO to show the company's products. If the LOGO is grey, it is not easy to show. Therefore, the LOGO will be highlighted to make the entire LOGO stand out, making the product beautiful. The existing method of highlighting the LOGO on the matte surface is to first polish and highlight the LOGO, then print protective paint, then grind and sandblast after printing, then perform oxidation after sandblasting, remove the protective paint after oxidation, and perform secondary oxidation. In this way, the LOGO can achieve a highlighting effect. However, this method has many processes, resulting in a very low yield and high cost.

[0003] In view of this, the inventor conducted in-depth research on the above-mentioned issues, which resulted in the present case. Summary of the invention

[0004] In view of this, an object of the present invention is to provide a processing technology for achieving a LOGO highlight effect on a matte surface, so as to solve the problems of the existing processing technology having multiple process steps, low yield and high cost.

[0005] In order to achieve the above-mentioned purpose, the solution of the present invention is: a processing technology for achieving a LOGO highlight effect on a matte surface, which is manufactured by the following steps:

[0006] Step 1: sandblasting: sandblast the part of the workpiece located at the LOGO to obtain a sandblasted part;

[0007] Step 2, cleaning the sandblasted part in step 1 to obtain a cleaned part;

[0008] Step 3: Place the cleaned parts in step 2 in a dust-free workshop for laser engraving to obtain laser engraved parts.

[0009] When laser engraving, firstly, the cleaned parts other than the LOGO are shielded in a dust-free workshop, and then placed on the laser engraving workpiece table of the laser engraving machine after shielding. The laser engraving machine is started, and the laser engraving machine performs three laser engravings. In the first laser engraving, the laser engraving machine performs the second laser engraving at the parameters of laser engraving speed of 950-1100mm / s, laser engraving power of 18-25w, laser engraving frequency of 50Hz, and filling density of 0.018-0.02mm. The laser engraving angle of the first laser engraving is 40-50 degrees, and the laser engraving angle of the second laser engraving is 55-65 degrees.

[0010] During the second laser engraving, the laser engraving machine performs secondary laser engraving at the parameters of laser engraving speed of 850-920mm / s, laser engraving power of 80-86w, laser engraving frequency of 50Hz, and filling density of 0.018-0.02mm. The laser engraving angle of the first laser engraving is 155-165 degrees, and the laser engraving angle of the second laser engraving is 65-75 degrees.

[0011] For the third laser engraving, the laser engraving machine performs a second laser engraving at a laser engraving speed of 1150-1250mm / s, a laser engraving power of 90-95w, a laser engraving frequency of 50Hz, and a filling density of 0.025-0.035mm. The laser engraving angle of the first laser engraving is 150-165 degrees, and the laser engraving angle of the second laser engraving is 65-75 degrees.

[0012] Step 4: Oxidize the laser engraved part in step 3 to obtain a highlight effect on the part of the workpiece located at the LOGO.

[0013] In step three, the laser engraving speed of the first laser engraving is 1000mm / s, the laser engraving power is 20w, the filling density is 0.02mm, the laser engraving angle of the first laser engraving is 45 degrees, and the laser engraving angle of the second laser engraving is 60 degrees.

[0014] In step three, the laser engraving speed of the second laser engraving is 900 mm / s, the laser engraving power is 85w, the filling density is 0.02 mm, the laser engraving angle of the first laser engraving of the second laser engraving is 160 degrees, and the laser engraving angle of the second laser engraving is 70 degrees.

[0015] In step three, the laser engraving speed of the third laser engraving is 1200mm / s, the laser engraving power is 93w, the filling density is 0.03mm, the first laser engraving angle of the third laser engraving is 150 degrees, and the second laser engraving angle of the third laser engraving is 90 degrees.

[0016] After adopting the above technical scheme, a processing technology of the present invention is used to achieve a LOGO highlight effect on a matte surface. When applied, laser engraving is performed twice at different angles under three laser engraving parameters to make the LOGO part present a highlight effect. The whole process only needs four steps, which greatly omits the processing steps and processing costs, and significantly improves the yield rate. The overall defective rate is obtained at 0.2% through production, and the operation of each processing step is simple and easy for operators to operate. DETAILED DESCRIPTION

[0017] In order to further explain the technical solution of the present invention, the present invention is described in detail below through specific embodiments.

[0018] Step 1 of the present invention is sandblasting, where the part of the workpiece located at the LOGO is sandblasted to obtain a sandblasted part. This sandblasting method uses current technology and will not be repeated here;

[0019] Step 2: Clean the sandblasted parts in step 1 to obtain cleaned parts. When cleaning, clean the entire workpiece with clean water and dry it after cleaning. After processing and testing, the LOGO part of the finished product can be free of impurities after cleaning, which greatly improves the yield rate.

[0020] Step 3: Place the cleaned parts in the dust-free workshop for laser engraving to obtain laser engraved parts. After testing various types of laser engraving machines, the inventor found that the only way to obtain the mirror effect of the LOGO is to use the YDFLP-200-M7-L1-R laser engraving machine produced by Kunshan Shoulai Optoelectronics Technology Co., Ltd. If only this type of laser engraving machine is used for traditional laser engraving parameters and laser engraving methods, the mirror effect will meet the standard, but impurities and orange peel will occur, and the defect rate will reach 80%. To this end, the inventor has carried out technical research and has the following laser engraving limitations:

[0021] When laser engraving, firstly, the cleaned parts outside the LOGO are subjected to light shielding treatment in a dust-free workshop. After testing, it is found that the problem of no impurities can only be achieved in a dust-free workshop. After light shielding, they are placed on the laser engraving workpiece table of the laser engraving machine, and the laser engraving machine is started. The laser engraving machine performs three laser engravings. In the first laser engraving, the laser engraving machine performs a second laser engraving at a laser engraving speed of 950-1100mm / s, a laser engraving power of 18-25w, a laser engraving frequency of 50Hz, and a filling density of 0.018-0.02mm. The laser engraving angle of the first laser engraving is 40-50 degrees, and the laser engraving angle of the second laser engraving is 55-65 degrees. The laser engraving time for each time is 60 seconds.

[0022] During the second laser engraving, the laser engraving machine performs secondary laser engraving at the parameters of laser engraving speed of 850-920mm / s, laser engraving power of 80-86w, laser engraving frequency of 50Hz, and filling density of 0.018-0.02mm. The laser engraving angle of the first laser engraving is 155-165 degrees, and the laser engraving angle of the second laser engraving is 65-75 degrees. The laser engraving time for each time is 60 seconds.

[0023] For the third laser engraving, the laser engraving machine performs secondary laser engraving at the parameters of laser engraving speed of 1150-1250mm / s, laser engraving power of 90-95w, laser engraving frequency of 50Hz, and filling density of 0.025-0.035mm. The laser engraving angle of the first laser engraving is 150-165 degrees, and the laser engraving angle of the second laser engraving is 65-75 degrees. The laser engraving time for each time is 60 seconds.

[0024] The inventors tested under different processes and different parameters and found that under the first laser engraving parameters, laser engraving at two different angles can remove dust on the surface of the LOGO component; under the second laser engraving parameters, laser engraving at two different angles can improve the brightness of the surface of the LOGO component; under the third laser engraving parameters, laser engraving at two different angles can further improve the brightness of the surface of the LOGO component;

[0025] Step 4: Oxidize the laser engraved part in step 3 to obtain a highlight effect on the part of the workpiece located at the LOGO. This oxidation treatment is the same as the oxidation treatment method in the background technology and will not be repeated here.

[0026] The present invention provides a processing technology for achieving a LOGO highlight effect on a matte surface. When applied, laser engraving is used to achieve a mirror effect at the LOGO part. At the same time, laser engraving is performed twice at different angles under three laser engraving parameters to make the LOGO part present a highlight effect. There are no impurity points and orange peel phenomenon on the surface. The whole process only needs four steps. In order to reduce the formation of impurity points, it can only be achieved under these four steps. If there is no cleaning step, the defective impurity points account for 15%, which greatly omits the processing steps and processing costs, and significantly improves the yield. After production, the entire defective rate is 0.2%, and the operation of each processing step is simple and easy for operators to operate.

[0027] In the present invention, the inventors obtained in the test that in step three, the laser engraving speed of the first laser engraving is 1000mm / s, the laser engraving power is 20w, the filling density is 0.02mm, the laser engraving angle of the first laser engraving of the first laser engraving is 45 degrees, and the second laser engraving angle of the first laser engraving is 60 degrees; the laser engraving speed of the second laser engraving is 900mm / s, the laser engraving power is 85w, the filling density is 0.02mm, the laser engraving angle of the first laser engraving of the second laser engraving is 160 degrees, and the second laser engraving angle of the second laser engraving is 70 degrees; the laser engraving speed of the third laser engraving is 1200mm / s, the laser engraving power is 93w, the filling density is 0.03mm, the laser engraving angle of the first laser engraving of the third laser engraving is 150 degrees, and the second laser engraving angle of the third laser engraving is 90 degrees; the above laser engraving parameters can make the defective rate 0.2%.

[0028] In the present invention, in step three, the angle of laser engraving is adjusted by setting the jig for workpiece placement to a multi-angle adjustment method. This multi-angle adjustment method is disclosed in existing laser engraving and will not be repeated here. The innovation of the present invention is that the laser engraving angle is different under different parameters and rated frequencies to achieve a highlight effect.

[0029] The above embodiments do not limit the product form and style of the present invention. Any appropriate changes or modifications made by ordinary technicians in the relevant technical field should be deemed to be within the patent scope of the present invention.

Claims

1. A processing technology for achieving a LOGO highlight effect on a matte surface, characterized in that: Made by following the steps below: Step 1: sandblasting: sandblast the part of the workpiece located at the LOGO to obtain a sandblasted part; Step 2, cleaning the sandblasted part in step 1 to obtain a cleaned part; Step 3: Place the cleaned parts in step 2 in a dust-free workshop for laser engraving to obtain laser engraved parts. When laser engraving, firstly, the cleaned parts other than the LOGO are shielded in a dust-free workshop, and then placed on the laser engraving workpiece table of the laser engraving machine after shielding. The laser engraving machine is started, and the laser engraving machine performs three laser engravings. In the first laser engraving, the laser engraving machine performs the second laser engraving at the parameters of laser engraving speed of 950-1100mm / s, laser engraving power of 18-25w, laser engraving frequency of 50Hz, and filling density of 0.018-0.02mm. The laser engraving angle of the first laser engraving is 40-50 degrees, and the laser engraving angle of the second laser engraving is 55-65 degrees. During the second laser engraving, the laser engraving machine performs secondary laser engraving at the parameters of laser engraving speed of 850-920mm / s, laser engraving power of 80-86w, laser engraving frequency of 50Hz, and filling density of 0.018-0.02mm. The laser engraving angle of the first laser engraving is 155-165 degrees, and the laser engraving angle of the second laser engraving is 65-75 degrees. For the third laser engraving, the laser engraving machine performs a second laser engraving at a laser engraving speed of 1150-1250mm / s, a laser engraving power of 90-95w, a laser engraving frequency of 50Hz, and a filling density of 0.025-0.035mm. The laser engraving angle of the first laser engraving is 150-165 degrees, and the laser engraving angle of the second laser engraving is 65-75 degrees. Step 4: Oxidize the laser engraved part in step 3 to obtain a highlight effect on the part of the workpiece located at the LOGO.

2. The process for achieving a LOGO highlight effect on a matte surface according to claim 1, characterized in that: In step three, the laser engraving speed of the first laser engraving is 1000mm / s, the laser engraving power is 20w, the filling density is 0.02mm, the laser engraving angle of the first laser engraving is 45 degrees, and the laser engraving angle of the second laser engraving is 60 degrees.

3. The process for achieving a LOGO highlight effect on a matte surface according to claim 2, characterized in that: In step three, the laser engraving speed of the second laser engraving is 900 mm / s, the laser engraving power is 85w, the filling density is 0.02 mm, the laser engraving angle of the first laser engraving of the second laser engraving is 160 degrees, and the laser engraving angle of the second laser engraving is 70 degrees.

4. The process for achieving a LOGO highlight effect on a matte surface according to claim 2, characterized in that: In step three, the laser engraving speed of the third laser engraving is 1200mm / s, the laser engraving power is 93w, the filling density is 0.03mm, the first laser engraving angle of the third laser engraving is 150 degrees, and the second laser engraving angle of the third laser engraving is 90 degrees.