阅读说明：本技术 一种具有金属质感的化妆品镭雕盒盖的生产工艺 (Production process of cosmetic laser etching box cover with metal texture ) 是由 池春道 曹曙光 范李明 于 2020-04-09 设计创作，主要内容包括：本发明公开了一种具有金属质感的化妆品镭雕盒盖的生产工艺,所述具有金属质感的化妆品镭雕盒盖的生产工艺包括：表面清洗步骤、真空镀膜步骤、底漆喷涂步骤、仿阳极氧化漆涂覆步骤、镭雕加工步骤和面漆涂覆步骤,通过上述六个步骤后得到成品盒盖。通过上述工艺步骤,本发明能够使用塑胶材料作为盒盖基材得到具有特定金属质感效果的镭雕盒盖,而且图案稳定性好,不会因为使用过程中受到外力摩擦而变的模糊。(The invention discloses a production process of a cosmetic laser etching box cover with metal texture, which comprises the following steps: the method comprises the steps of surface cleaning, vacuum coating, primer spraying, anodic oxidation simulating paint coating, laser etching processing and finish coating, and the finished product box cover is obtained through the six steps. Through the process steps, the laser etching box cover with the specific metal texture effect can be obtained by using the plastic material as the box cover base material, the pattern stability is good, and the phenomenon that the pattern is fuzzy due to external force friction in the using process is avoided.)

1. A production process of a cosmetic laser etching box cover with metal texture is characterized by comprising the following steps:

putting a semi-finished product of the box cover obtained by injection molding into a cleaning device, cleaning and removing impurities such as residual grease on the surface, and then drying by hot air;

putting the dried semi-finished box cover with the right side facing upwards into a vacuum chamber, then putting a coating material into an evaporation source, heating and evaporating under a high vacuum condition, and condensing the coating material into a metal film on the surface of the semi-finished box cover;

uniformly coating a layer of transparent UV (ultraviolet) photocuring primer on the coated semi-finished box cover in a spraying manner, and baking for 10-15 min in corresponding ultraviolet radiation equipment after coating;

spraying a layer of imitation metal anodic oxidation paint on the semi-finished product box cover after baking, and then sending the semi-finished product box cover into a baking oven to bake for 15min at the temperature of 80 +/-5 ℃ until the surface paint layer is cured;

placing the semi-finished product box cover obtained in the fourth step on a box cover positioning seat of a laser etching workbench, starting a laser etching machine, etching the anodic oxidation-simulated paint according to a preset pattern in the laser etching machine, and wiping off surface residues by using alcohol after the etching is finished;

and step six, coating a layer of transparent UV (ultraviolet) light curing finish paint on the semi-finished product box cover after the laser etching in the step five, and then sending the semi-finished product box cover into corresponding ultraviolet radiation equipment to be baked for 10-15 minutes to obtain the finished product box cover.

2. The production process of the cosmetic laser etching box cover with metal texture as claimed in claim 1, wherein the cleaning device is an ultrasonic cleaning machine.

3. The production process of the cosmetic laser etching box cover with metal texture, as claimed in claim 1, wherein the cleaning temperature is 50-70 ℃.

4. The production process of cosmetic laser etching box cover with metal texture as claimed in claim 1, wherein the plating material used in the vacuum plating step is tin.

5. The production process of the cosmetic laser etching box cover with metal texture, as claimed in claim 1, wherein the thickness of the UV light curing primer is 10-15 microns.

6. The production process of the cosmetic laser etching box cover with metal texture, as claimed in claim 1, wherein the thickness of the anodic oxidation simulating paint is 20-30 microns.

7. The production process of the cosmetic laser etching box cover with metal texture, as claimed in claim 1, wherein the thickness of the UV light curing finish paint is 15-20 microns.

8. The production process of the cosmetic laser etching box cover with metal texture, as claimed in claim 1, wherein the baking temperature of the ultraviolet radiation equipment is 45-60 ℃.

Technical Field

The invention relates to the field of laser etching processes, in particular to a production process of a cosmetic laser etching box cover with metal texture.

Background

In order to obtain stable quality of the cosmetics, each production merchant pays attention to the packaging material of the cosmetics besides paying attention to the quality of the cosmetics, particularly, in the box cover position of various cosmetic packaging boxes, manufacturers usually process various beautiful and elegant patterns or shapes on the surface of the box cover so as to improve the cognition and brand effect of the products on the market, but the appearance effect of the existing surface treatment process of plastic materials which is mature and sprayed is uniform, the requirements of the manufacturers cannot be met, the patterns are directly exposed on the outer layer, and the surface is easy to be subjected to fuzzy deformation due to long-term external force friction.

Disclosure of Invention

The invention mainly solves the technical problem of providing a production process of a cosmetic laser etching box cover, which can have metal texture and good pattern stability.

In order to solve the technical problems, the invention adopts a technical scheme that: the production process of the cosmetic laser etching box cover with the metal texture comprises the following steps:

putting a semi-finished product of the box cover obtained by injection molding into a cleaning device, cleaning and removing impurities such as residual grease on the surface, and then drying by hot air;

putting the dried semi-finished box cover with the right side facing upwards into a vacuum chamber, then putting a coating material into an evaporation source, heating and evaporating under a high vacuum condition, and condensing the coating material into a metal film on the surface of the semi-finished box cover;

uniformly coating a layer of transparent UV (ultraviolet) photocuring primer on the coated semi-finished box cover in a spraying manner, and baking for 10-15 min in corresponding ultraviolet radiation equipment after coating;

spraying a layer of imitation metal anodic oxidation paint on the semi-finished product box cover after baking, and then sending the semi-finished product box cover into a baking oven to bake for 15min at the temperature of 80 +/-5 ℃ until the surface paint layer is cured;

placing the semi-finished product box cover obtained in the fourth step on a box cover positioning seat of a laser etching workbench, starting a laser etching machine, etching the anodic oxidation-simulated paint according to a preset pattern in the laser etching machine, and wiping off surface residues by using alcohol after the etching is finished;

and step six, coating a layer of transparent UV (ultraviolet) light curing finish paint on the semi-finished product box cover after the laser etching in the step five, and then sending the semi-finished product box cover into corresponding ultraviolet radiation equipment to be baked for 10-15 minutes to obtain the finished product box cover.

In a preferred embodiment of the present invention, the cleaning device is an ultrasonic cleaning machine.

In a preferred embodiment of the present invention, the temperature during the cleaning is 50 ℃ to 70 ℃.

In a preferred embodiment of the present invention, the plating material used in the vacuum plating step is tin.

In a preferred embodiment of the present invention, the thickness of the UV light-curable primer is 10 to 15 μm.

In a preferred embodiment of the invention, the thickness of the anodic oxidation-like paint is 20-30 micrometers.

In a preferred embodiment of the invention, the thickness of the UV light-cured finish paint is 15-20 microns.

In a preferred embodiment of the present invention, the temperature of the ultraviolet radiation device during baking is 45 ℃ to 60 ℃.

The invention has the beneficial effects that: the laser etching process combines the advantages of vacuum coating, so that the surface of the cosmetic box cover has unique texture of metal surface oxidation, the anodic oxidation-simulated paint layer can show unique 3D (three-dimensional) effect in a laser etching mode, the integral expressive force is effectively improved, the pattern stability is good, and the pattern cannot be fuzzy and deformed due to external force friction under the protection of the transparent photo-hardening finish paint.

Detailed Description

The following detailed description of the preferred embodiments of the present invention is provided to enable those skilled in the art to more readily understand the advantages and features of the present invention, and to clearly and unequivocally define the scope of the present invention.

The embodiment of the invention comprises the following steps:

a production process of a cosmetic laser etching box cover with metal texture is characterized by comprising the following steps: the method comprises the following steps:

putting the semi-finished product of the box cover obtained by injection molding into an ultrasonic cleaning machine, cleaning the semi-finished product of the box cover by using ultrasonic vibration to thoroughly remove impurities such as grease and the like remained on the surface, and drying the semi-finished product of the box cover by using hot air after cleaning to keep the surface clean and convenient so as to improve the quality of vacuum coating;

putting the dried semi-finished box cover in a vacuum chamber with the right side facing upwards, then putting a tinning material in an evaporation source, heating and evaporating under a high vacuum condition, condensing the tinning material into a metal tin film with the same mirror surface on the surface of the semi-finished box cover, wherein the reason for using the vacuum coating is to prevent the bottom color of the plastic material from leaking out of the laser-burnt position in the laser engraving process and damaging the overall metal texture;

uniformly coating a layer of transparent UV (ultraviolet) photocuring primer with the thickness of 10-15 microns on the coated semi-finished box cover in a spraying mode, and baking for 10min at the temperature of 60 ℃ by using corresponding ultraviolet radiation equipment after coating to integrally cure so as to protect the vacuum coating layer;

spraying a layer of metal-like anodic oxidation paint with the thickness of 20-30 microns on the box cover of the semi-finished product after baking, and then putting the box cover of the semi-finished product into a baking oven to bake for 15min at the temperature of 80 +/-5 ℃ until the surface paint layer is cured;

placing the semi-finished product box cover obtained in the fourth step on a box cover positioning seat of a laser etching workbench, starting a laser etching machine, etching the anodic oxidation-simulated paint according to a preset pattern in the laser etching machine, and wiping off surface residues by using alcohol after the etching is finished;

and step six, coating a layer of transparent UV (ultraviolet) photocuring finish paint with the thickness of 15-20 microns on the semi-finished box cover after laser etching in the step five, and then sending the semi-finished box cover into corresponding ultraviolet radiation equipment to be baked for 15 minutes at 60 ℃ to obtain a finished box cover product.

The temperature in the first step of cleaning is 50-70 ℃, the specific cleaning process is divided into two steps, the first step is high-temperature cleaning in an ultrasonic cleaning machine, a certain amount of detergent needs to be added into a cleaning pool during cleaning to thoroughly remove grease, the surface of the cleaning pool is washed by pure water, and the cleaning pool is dried by hot air after the cleaning is finished.

In another embodiment of the present invention, the substrate is,

the embodiment of the invention comprises the following steps:

a production process of a cosmetic laser etching box cover with metal texture is characterized by comprising the following steps: the method comprises the following steps:

putting the semi-finished product of the box cover obtained by injection molding into an ultrasonic cleaning machine, cleaning the semi-finished product of the box cover by using ultrasonic vibration to thoroughly remove impurities such as grease and the like remained on the surface, and drying the semi-finished product of the box cover by using hot air after cleaning to keep the surface clean and convenient so as to improve the quality of vacuum coating;

putting the dried semi-finished box cover in a vacuum chamber with the right side facing upwards, then putting a tinning material in an evaporation source, heating and evaporating under a high vacuum condition, condensing the tinning material into a metal tin film with the same mirror surface on the surface of the semi-finished box cover, wherein the reason for using the vacuum coating is to prevent the bottom color of the plastic material from leaking out of the laser-burnt position in the laser engraving process and damaging the overall metal texture;

uniformly coating a layer of transparent UV (ultraviolet) photocuring primer with the thickness of 10-15 microns on the coated semi-finished box cover in a spraying mode, and baking for 15min at 45 ℃ by using corresponding ultraviolet radiation equipment after coating to integrally cure so as to protect the vacuum coating layer;

spraying a layer of metal-like anodic oxidation paint with the thickness of 20-30 microns on the box cover of the semi-finished product after baking, and then putting the box cover of the semi-finished product into a baking oven to bake for 15min at the temperature of 80 +/-5 ℃ until the surface paint layer is cured;

placing the semi-finished product box cover obtained in the fourth step on a box cover positioning seat of a laser etching workbench, starting a laser etching machine, etching the anodic oxidation-simulated paint according to a preset pattern in the laser etching machine, and wiping off surface residues by using alcohol after the etching is finished;

and step six, coating a layer of transparent UV (ultraviolet) photocuring finish paint with the thickness of 15-20 microns on the semi-finished box cover after laser etching in the step five, and then sending the semi-finished box cover into corresponding ultraviolet radiation equipment to be baked for 10 minutes at 60 ℃ to obtain a box cover finished product.

The temperature in the first step of cleaning is 50-70 ℃, the specific cleaning process is divided into two steps, the first step is high-temperature cleaning in an ultrasonic cleaning machine, a certain amount of detergent needs to be added into a cleaning pool during cleaning to thoroughly remove grease, the surface of the cleaning pool is washed by pure water, and the cleaning pool is dried by hot air after the cleaning is finished.

The surface of the finished box cover obtained in the two embodiments has special metal texture, so that the grade of products contained in the box can be obviously improved.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.