阅读说明：本技术 一种采用醋酸纤维制作眼镜架的复合材料及其成型工艺 (Composite material for manufacturing spectacle frame by adopting acetate fibers and forming process thereof ) 是由 王春明 刘永成 熊建国 于 2020-06-18 设计创作，主要内容包括：本发明公开了一种采用醋酸纤维制作眼镜架的复合材料及其成型工艺,该成型工艺包括如下步骤；P2、烘烤；P3、热熔；P4、混料；P5、注塑；P6、打磨；P7、电镀；P8、后处理；对电镀骨架进行清洗包装,即可完成眼镜架的成型制作,本发明提供的一种采用醋酸纤维制作眼镜架的复合材料及其成型工艺,通过对原料进行清洗烘干,可以有效去除杂质,并且先部分熔融后添加硫酸钡进行复合,可以有效提高导热性能,保证充分熔融,避免变质,保证骨架质量和结构强度,同时后续进行表面电镀,既可以保证表面硬度,减少划痕,同时提高光洁度和美观性,利于加工生产和使用,方便推广应用。(The invention discloses a composite material for manufacturing a spectacle frame by using acetate fibers and a molding process thereof, wherein the molding process comprises the following steps; p2, baking; p3, hot melting; p4, mixing; p5, injection molding; p6, grinding; p7, electroplating; p8, post-treatment; the invention provides a composite material for manufacturing a spectacle frame by using acetate fibers and a forming process thereof, wherein the composite material can effectively remove impurities by cleaning and drying raw materials, is partially melted and then added with barium sulfate for compounding, can effectively improve the heat conducting property, ensures full melting, avoids deterioration, ensures the quality and structural strength of the frame, and simultaneously is subsequently subjected to surface plating, thereby ensuring the surface hardness, reducing scratches, improving the smoothness and the attractiveness, being beneficial to processing, production and use, and being convenient for popularization and application.)

1. A composite material for manufacturing a spectacle frame by using acetate fibers and a forming process thereof are characterized in that: the molding process comprises the following steps:

p1, preparing materials: selecting acetate fiber particles as a raw material for later use;

p2, baking: placing the raw materials into a baking oven, heating to 50-60 ℃, continuing for 20-30 minutes, and reducing the water content to obtain baked raw materials;

p3, hot melting: dividing the installation mass of the baking raw materials into two parts according to the proportion of 1:9, placing 1 part of the raw materials in a hot melting box, and heating to a molten state to obtain molten raw materials;

p4, mixing: adding barium sulfate into the molten raw materials, uniformly stirring, then putting 9 parts of the raw materials into a melting box, and uniformly stirring to a complete molten state to obtain a composite raw material;

p5, injection molding: injecting the composite raw materials into a spectacle frame die by an injection molding machine, shaping, cooling and demolding to obtain a framework blank;

p6, grinding: polishing the skeleton blank to remove injection-molded flash burrs to obtain a polished skeleton;

p7, electroplating: electroplating the polished framework to obtain an electroplated framework;

p8, post-treatment; and cleaning and packaging the electroplating framework to complete the molding and manufacturing of the spectacle frame.

2. The composite material for manufacturing the spectacle frame by using the acetate fiber and the molding process thereof according to the claim 1 are characterized in that: the preparation of the step P1 further comprises cleaning, and the method comprises the following steps:

s1, placing the selected acetate fiber particle raw material into a dust removal box, and performing negative pressure dust removal to remove dust mixed with the raw material to obtain a dust removal raw material;

s2, putting the dedusting raw material into a 5% -10% acetic acid solution, uniformly stirring for 15-25 minutes, and soaking and cleaning;

s3, adding sodium carbonate particles into the cleaning solution, and carrying out neutralization reaction to remove redundant acetic acid;

and S4, filtering the cleaned cellulose acetate particles, taking out the cellulose acetate particles, and washing the cellulose acetate particles by using clear water to finish the cleaning of the raw materials.

3. The composite material for manufacturing the spectacle frame by using the acetate fiber and the molding process thereof according to the claim 1 are characterized in that: the mass percentage of the barium sulfate and the cellulose acetate in the step P4 is 1: 15-20.

4. The composite material for manufacturing the spectacle frame by using the acetate fiber and the molding process thereof according to the claim 1 are characterized in that: the injection molding temperature of the step P5 is 180-200 ℃, the injection molding pressure is 25-30 MPa, and the injection molding time is 20-30 seconds.

5. The composite material for manufacturing the spectacle frame by using the acetate fiber and the molding process thereof according to the claim 1 are characterized in that: the cooling and demoulding manner of the step P5 is natural cooling.

6. The composite material for manufacturing the spectacle frame by using the acetate fiber and the molding process thereof according to the claim 1 are characterized in that: the electroplating of the P7 step comprises the following steps:

q1, placing the polished framework into an oil removing cleaning solution, adding 10% sodium hydroxide solution, adjusting the pH value to 10.2 and 11.5, heating to 50-60 ℃, and carrying out ultrasonic cleaning to obtain an oil removing framework;

q2, soaking the oil removing framework in clean water at the temperature of 70-80 ℃, soaking for 3-5 minutes, and performing water washing treatment to obtain a water washing framework;

q3, placing the water-washing framework in electroplating solution, heating to 30-40 ℃, carrying out electroplating for 20-25 minutes at a current density of 0.1-0.2 ampere per square centimeter and a voltage of 70-80 volts, and obtaining the electroplating framework;

q4, placing the electroplated framework in a 1.5% dilute nitric acid solution, and carrying out ultrasonic oscillation for 20 to 30 seconds to carry out passivation treatment to obtain a passivated framework;

q5, placing the passivated framework in normal-temperature clean water, soaking for 10 to 20 minutes, and then washing for 3 to 5 minutes by using the clean water to obtain a washed framework;

q6, drying the washed framework, and finishing the framework electroplating.

7. The composite material for manufacturing the spectacle frame by using the acetate fiber and the molding process thereof according to the claim 6 are characterized in that: the electroplating solution of the step Q3 is zinc-nickel ion electroplating solution, and the content of the electroplating solution is 3-5%.

Technical Field

The invention relates to the technical field of spectacle frames, in particular to a composite material for manufacturing a spectacle frame by using acetate fibers and a forming process thereof.

Background

In the current social life, a lot of people need to wear the glasses, so that a mechanic needs to produce different glasses frames for installing lenses, the glasses frames are convenient for people to use, and the glasses frames made of the roughed fiber are light in weight and high in structural stability, so that the glasses frames are popular with people.

However, in the existing spectacle frame structure, acetate fibers are mostly directly subjected to hot melting treatment and then subjected to injection molding, but the acetate fibers are poor in thermal conductivity and low in efficiency during melting, partial materials are prone to deterioration due to uneven heating, the quality is reduced, meanwhile, the spectacle frame manufactured by the existing molding process is poor in aesthetic property, the surface is prone to scratching, the use of Changliao is affected, and a new molding process needs to be provided.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a composite material for manufacturing a spectacle frame by using acetate fibers and a forming process thereof.

In order to achieve the purpose, the invention adopts the following technical scheme:

a composite material for manufacturing a spectacle frame by using acetate fibers and a molding process thereof are disclosed, wherein the molding process comprises the following steps:

p1, preparing materials: selecting acetate fiber particles as a raw material for later use;

p2, baking: placing the raw materials into a baking oven, heating to 50-60 ℃, continuing for 20-30 minutes, and reducing the water content to obtain baked raw materials;

p3, hot melting: dividing the installation mass of the baking raw materials into two parts according to the proportion of 1:9, placing 1 part of the raw materials in a hot melting box, and heating to a molten state to obtain molten raw materials;

p4, mixing: adding barium sulfate into the molten raw materials, uniformly stirring, then putting 9 parts of the raw materials into a melting box, and uniformly stirring to a complete molten state to obtain a composite raw material;

p5, injection molding: injecting the composite raw materials into a spectacle frame die by an injection molding machine, shaping, cooling and demolding to obtain a framework blank;

p6, grinding: polishing the skeleton blank to remove injection-molded flash burrs to obtain a polished skeleton;

p7, electroplating: electroplating the polished framework to obtain an electroplated framework;

p8, post-treatment; and cleaning and packaging the electroplating framework to complete the molding and manufacturing of the spectacle frame.

Preferably, the preparation of the step P1 further includes cleaning, including the following steps:

s1, placing the selected acetate fiber particle raw material into a dust removal box, and performing negative pressure dust removal to remove dust mixed with the raw material to obtain a dust removal raw material;

s2, putting the dedusting raw material into a 5% -10% acetic acid solution, uniformly stirring for 15-25 minutes, and soaking and cleaning;

s3, adding sodium carbonate particles into the cleaning solution, and carrying out neutralization reaction to remove redundant acetic acid;

and S4, filtering the cleaned cellulose acetate particles, taking out the cellulose acetate particles, and washing the cellulose acetate particles by using clear water to finish the cleaning of the raw materials.

Preferably, the mass percentage of the barium sulfate and the cellulose acetate in the step P4 is 1: 15-20.

Preferably, the injection molding temperature of the step P5 is 180-200 ℃, the injection molding pressure is 25-30 MPa, and the injection molding time is 20-30 seconds.

Preferably, the cooling and demolding manner in the step P5 is natural cooling.

Preferably, the electroplating of the P7 step comprises the following steps:

q1, placing the polished framework into an oil removing cleaning solution, adding 10% sodium hydroxide solution, adjusting the pH value to 10.2 and 11.5, heating to 50-60 ℃, and carrying out ultrasonic cleaning to obtain an oil removing framework;

q2, soaking the oil removing framework in clean water at the temperature of 70-80 ℃, soaking for 3-5 minutes, and performing water washing treatment to obtain a water washing framework;

q3, placing the water-washing framework in electroplating solution, heating to 30-40 ℃, carrying out electroplating for 20-25 minutes at a current density of 0.1-0.2 ampere per square centimeter and a voltage of 70-80 volts, and obtaining the electroplating framework;

q4, placing the electroplated framework in a 1.5% dilute nitric acid solution, and carrying out ultrasonic oscillation for 20 to 30 seconds to carry out passivation treatment to obtain a passivated framework;

q5, placing the passivated framework in normal-temperature clean water, soaking for 10 to 20 minutes, and then washing for 3 to 5 minutes by using the clean water to obtain a washed framework;

q6, drying the washed framework, and finishing the framework electroplating.

Preferably, the electroplating solution in the step Q3 is a zinc-nickel ion electroplating solution, and the content of the zinc-nickel ion electroplating solution is 3-5%.

According to the composite material for manufacturing the spectacle frame by using the acetate fibers and the forming process thereof, provided by the invention, impurities can be effectively removed by cleaning and drying raw materials, and the raw materials are partially melted and then added with the barium sulfate for compounding, so that the heat conduction performance can be effectively improved, the full melting is ensured, the deterioration is avoided, the framework quality and the structural strength are ensured, and meanwhile, the surface electroplating is subsequently carried out, so that the surface hardness can be ensured, the scratches are reduced, the smoothness and the attractiveness are improved, the processing production and the use are facilitated, and the popularization and the application are convenient.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

A composite material for manufacturing a spectacle frame by using acetate fibers and a molding process thereof are disclosed, wherein the molding process comprises the following steps:

p1, preparing materials: selecting acetate fiber particles as a raw material for later use;

p2, baking: placing the raw materials into a baking oven, heating to 50-60 ℃, continuing for 20-30 minutes, and reducing the water content to obtain baked raw materials;

p3, hot melting: dividing the installation mass of the baking raw materials into two parts according to the proportion of 1:9, placing 1 part of the raw materials in a hot melting box, and heating to a molten state to obtain molten raw materials;

p4, mixing: adding barium sulfate into the molten raw materials, uniformly stirring, then putting 9 parts of the raw materials into a melting box, and uniformly stirring to a complete molten state to obtain a composite raw material;

p5, injection molding: injecting the composite raw materials into a spectacle frame die by an injection molding machine, shaping, cooling and demolding to obtain a framework blank;

p6, grinding: polishing the skeleton blank to remove injection-molded flash burrs to obtain a polished skeleton;

p7, electroplating: electroplating the polished framework to obtain an electroplated framework;

p8, post-treatment; and cleaning and packaging the electroplating framework to complete the molding and manufacturing of the spectacle frame.

Preferably, the preparation of the step P1 further includes cleaning, including the following steps:

s1, placing the selected acetate fiber particle raw material into a dust removal box, and performing negative pressure dust removal to remove dust mixed with the raw material to obtain a dust removal raw material;

s2, putting the dedusting raw material into a 5% -10% acetic acid solution, uniformly stirring for 15-25 minutes, and soaking and cleaning;

s3, adding sodium carbonate particles into the cleaning solution, and carrying out neutralization reaction to remove redundant acetic acid;

and S4, filtering the cleaned cellulose acetate particles, taking out the cellulose acetate particles, and washing the cellulose acetate particles by using clear water to finish the cleaning of the raw materials.

Preferably, the mass percentage of the barium sulfate and the cellulose acetate in the step P4 is 1: 15-20.

Preferably, the injection molding temperature of the P5 step is 180-200 ℃, the injection molding pressure is 25-30 MPa, and the injection molding time is 20-30 seconds.

Preferably, the cooling and demolding manner in the step P5 is natural cooling.

Preferably, the electroplating of the P7 step comprises the following steps:

q1, placing the polished framework into an oil removing cleaning solution, adding 10% sodium hydroxide solution, adjusting the pH value to 10.2 and 11.5, heating to 50-60 ℃, and carrying out ultrasonic cleaning to obtain an oil removing framework;

q2, soaking the oil removing framework in clean water at the temperature of 70-80 ℃, soaking for 3-5 minutes, and performing water washing treatment to obtain a water washing framework;

q3, placing the water-washing framework in electroplating solution, heating to 30-40 ℃, carrying out electroplating for 20-25 minutes at a current density of 0.1-0.2 ampere per square centimeter and a voltage of 70-80 volts, and obtaining the electroplating framework;

q4, placing the electroplated framework in a 1.5% dilute nitric acid solution, and carrying out ultrasonic oscillation for 20 to 30 seconds to carry out passivation treatment to obtain a passivated framework;

q5, placing the passivated framework in normal-temperature clean water, soaking for 10 to 20 minutes, and then washing for 3 to 5 minutes by using the clean water to obtain a washed framework;

q6, drying the washed framework, and finishing the framework electroplating.

Preferably, the electroplating solution in the step Q3 is a zinc-nickel ion electroplating solution, and the content of the zinc-nickel ion electroplating solution is 3-5%.

According to the composite material for manufacturing the spectacle frame by using the acetate fibers and the forming process thereof, provided by the invention, impurities can be effectively removed by cleaning and drying raw materials, and the raw materials are partially melted and then added with the barium sulfate for compounding, so that the heat conduction performance can be effectively improved, the full melting is ensured, the deterioration is avoided, the framework quality and the structural strength are ensured, and meanwhile, the surface electroplating is subsequently carried out, so that the surface hardness can be ensured, the scratches are reduced, the smoothness and the attractiveness are improved, the processing production and the use are facilitated, and the popularization and the application are convenient.