阅读说明：本技术 一种应用于金属表面的复合珐琅加工方法 (composite enamel processing method applied to metal surface ) 是由 薛焜 于 2019-11-05 设计创作，主要内容包括：本发明公开了一种应用于金属表面的复合珐琅加工方法,步骤包括有：制作金属胚体表面的图案凹槽；配制不含铅元素的无机原料并研磨成珐琅釉粉；在珐琅釉粉中加入有机着色剂混合调配成珐琅釉浆；填充珐琅釉浆覆盖金属胚体图案凹槽并进行第一次烘烤后冷却；填充珐琅釉浆覆盖金属胚体图案凹槽并进行第二次烘烤后冷却。通过不含铅元素的珐琅釉料,并通过增加有机材料着色剂混合搅拌均匀成珐琅釉浆,有机色料代替铅元素形成各种不同的颜色,解决现有技术中的珐琅色料直接应用到不同金属上会对人体造成中毒伤害,从而保证珐琅首饰在佩戴中的安全。(The invention discloses a composite enamel processing method applied to a metal surface, which comprises the steps of manufacturing a pattern groove on the surface of a metal blank, preparing inorganic raw materials without lead elements and grinding the inorganic raw materials into enamel glaze powder, adding organic coloring agents into the enamel glaze powder to mix and prepare enamel glaze slurry, filling the enamel glaze slurry to cover the pattern groove of the metal blank and carrying out baking for times, then cooling, filling the enamel glaze slurry to cover the pattern groove of the metal blank and carrying out baking for the second time, then cooling, adding organic coloring agents to the enamel glaze without lead elements, mixing and stirring uniformly to form the enamel glaze slurry, and forming various colors by using the organic coloring agents instead of the lead elements, so that the problem that the enamel coloring materials in the prior art can cause poisoning damage to human bodies when being directly applied to different metals is solved, and the safety of the enamel jewelry in wearing is guaranteed.)

1, A method for processing composite enamel applied to metal surface, which is characterized by comprising the following steps:

manufacturing a pattern groove on the surface of the metal blank;

preparing inorganic raw materials without lead elements and grinding the inorganic raw materials into enamel glaze powder;

adding an organic colorant into the enamel glaze powder, and mixing to prepare enamel glaze slurry;

filling enamel glaze slip to cover the groove of the metal blank pattern, baking for times, and cooling;

filling enamel glaze slip to cover the groove of the metal blank pattern, baking for the second time, and cooling.

2. The composite enamel machining method for metal surfaces according to claim 1, wherein the step of forming the groove pattern on the surface of the metal blank includes the steps of:

pre-manufacturing a tungsten steel wire hooking cutter;

and hooking parallel groove positions on the surface of the metal blank by a tungsten steel wire hooking cutter.

3. The method for processing composite enamel applied to a metal surface according to claim 1, wherein the steps of preparing an inorganic raw material containing no lead element and grinding the inorganic raw material into enamel glaze powder are as follows:

preparing inorganic raw materials without lead elements;

grinding into granules by using a grinding rod;

grinding the granular inorganic raw material added with the purified water by using a grinding rod, grinding the granular inorganic raw material into glaze material reaching 120-200 meshes, and drying the glaze material into powder;

grinding the inorganic raw material added with purified water by using a grinding rod, grinding the inorganic raw material into glaze with the granularity of 300-;

sintering the glaze powder times, cooling to normal temperature, and grinding the glaze powder to 100 meshes;

sintering the glaze powder for the second time, cooling to normal temperature, and grinding the glaze powder to 200 meshes;

sintering the glaze powder for the second time, cooling to normal temperature, and grinding the glaze powder to 400 meshes;

and drying the glaze powder.

4. The method for processing composite enamel applied to a metal surface according to claim 3, wherein after each grinding, the glaze powder is washed, filtered and deposited to remove excess impurities.

5. The method for processing composite enamel applied to a metal surface according to claim 1, wherein in the step of preparing the inorganic raw material containing no lead element, the inorganic raw material contains the following elements in parts:

11 parts of silicon, 1 part of zirconium, 9 parts of boron, 2 parts of potassium, 4 parts of titanium, 4 parts of zinc, 13 parts of bismuth, 2 parts of sulfur and 3 parts of phosphorus.

6. The composite enamel processing method for metal surface according to claim 1, wherein the step of cooling after the step of covering the groove of the metal blank pattern with the enamel glaze slip and baking for times comprises:

filling enamel glaze slip to cover the metal blank pattern groove;

times of baking is carried out, the temperature is set to be 60-200 ℃, and the baking time is 120 minutes;

cooling to room temperature and preserving heat for 2 hours;

taking out the metal with enamel, and cleaning the surface.

7. The method for processing composite enamel applied to metal surface according to claim 6, wherein said filling enamel slip covers the groove of the metal blank pattern and is cooled after the second baking, comprising the steps of:

coating enamel glaze on the surface of the metal;

baking and firing for the second time, wherein the temperature is set to be 800-1000 ℃, and the baking time is 180-240 minutes;

cooling to room temperature and preserving heat for 2 hours;

taking out the metal with enamel, and cleaning the surface;

drying the enamel-covered metal surface.

8. The composite enamel machining method for metal surfaces according to claim 7, wherein in said step of taking out the enamelled metal and washing the surface, the step of:

the surface cleaning was performed using sulfuric acid diluted detergent.

9. The method for processing composite enamel applied to a metal surface according to claim 1, further comprising the step of, after the step of covering the grooves of the metal body pattern with the enamel filling slip and performing cooling after the second baking, the steps of:

and cleaning, flattening and brightening the enamel surface.

Technical Field

The invention relates to the field of enamel artware, in particular to composite enamel processing methods applied to metal surfaces.

Background

The existing enamel product is applied to glass products and ceramic products, and the enamel is a composite artware obtained by coating crushed and ground enamel glaze on the surfaces of glass products and ceramic products which are manufactured by the process, drying, sintering and the like.

The enamel glaze mainly comprises quartz, feldspar, borax, fluorine and other raw materials which are properly mixed, various metallic pigments are added, the mixture is ground into powder, and then the mixture is sintered into a mixture of silicic acid compounds.

In order to make the color rich and colorful, the metal pigment is added with lead elements which are toxic heavy metal elements, and the surface of the applied artware is not contacted with the human body and does not hurt the human body when being used for decoration.

Accordingly, the prior art is yet to be improved and developed.

Disclosure of Invention

The technical problem to be solved by the invention is to provide composite enamels applied to metal surfaces, which are prepared by uniformly mixing and stirring enamel glazes without lead element and organic coloring agents to form enamel glaze slip, forming various colors by organic coloring materials instead of lead element, and filling and baking for multiple times to gradually form the enamel, aiming at solving the problem that the enamel coloring materials directly applied to different metals in the prior art cause toxic damage to human bodies, thereby ensuring the safety of the enamel jewelry during wearing.

The technical scheme adopted by the invention for solving the technical problem is as follows:

A method for processing composite enamel applied to metal surface, comprising the following steps:

manufacturing a pattern groove on the surface of the metal blank;

preparing inorganic raw materials without lead elements and grinding the inorganic raw materials into enamel glaze powder;

adding an organic colorant into the enamel glaze powder, and mixing to prepare enamel glaze slurry;

filling enamel glaze slip to cover the groove of the metal blank pattern, baking for times, and cooling;

filling enamel glaze slip to cover the groove of the metal blank pattern, baking for the second time, and cooling.

, the method for manufacturing the pattern groove on the surface of the metal blank specifically comprises the following steps:

pre-manufacturing a tungsten steel wire hooking cutter;

and hooking parallel groove positions on the surface of the metal blank by a tungsten steel wire hooking cutter.

, the steps of preparing the inorganic raw material without lead element and grinding into enamel glaze powder are as follows:

preparing inorganic raw materials without lead elements;

grinding the mixture into particles with the size of 120-;

grinding the granular inorganic raw material added with the purified water by using a grinding rod, grinding the granular inorganic raw material into glaze material reaching 120-200 meshes, and drying the glaze material into powder;

grinding the inorganic raw material added with purified water by using a grinding rod, grinding the inorganic raw material into glaze with the granularity of 300-;

sintering the glaze powder times, cooling to normal temperature, and grinding the glaze powder to 100 meshes;

sintering the glaze powder for the second time, cooling to normal temperature, and grinding the glaze powder to 200 meshes;

sintering the glaze powder for the second time, cooling to normal temperature, and grinding the glaze powder to 400 meshes;

and drying the glaze powder.

, after each grinding, the glaze powder is cleaned, filtered and deposited to remove excessive impurities.

, in the step of preparing the inorganic raw material without lead element, the inorganic raw material comprises the following elements in parts:

11 parts of silicon, 1 part of zirconium, 9 parts of boron, 2 parts of potassium, 4 parts of titanium, 4 parts of zinc, 13 parts of bismuth, 2 parts of sulfur and 3 parts of phosphorus.

, the steps of covering the groove of the metal blank pattern with the enamel glaze slip, baking for times and cooling are as follows:

filling enamel glaze slip to cover the metal blank pattern groove;

times of baking is carried out, the temperature is set to be 60-200 ℃, and the baking time is 120 minutes;

cooling to room temperature and preserving heat for 2 hours;

taking out the metal with enamel, and cleaning the surface.

, after the step of filling the metal blank pattern groove with enamel glaze slip for a plurality of times and baking for a plurality of times until the enamel completely fills the precious gold blank groove, the method further comprises the steps of:

and coating a protective material on the surface of the baked enamel.

, the step of cooling after the enamel glaze filling slurry covers the groove of the metal blank pattern and the second baking comprises the following steps:

coating enamel glaze on the surface of the metal;

baking and firing for the second time, wherein the temperature is set to be 800-1000 ℃, and the baking time is 180-240 minutes;

cooling to room temperature and preserving heat for 2 hours;

taking out the metal with enamel, and cleaning the surface;

drying the enamel-covered metal surface.

, the step of taking out the enamelled metal and cleaning the surface includes:

the surface cleaning was performed using sulfuric acid diluted detergent.

The invention provides a processing method of composite enamels applied to metal surfaces, which changes the ingredients of enamel glaze, the enamel glaze does not contain toxic metallic element lead, organic pigments replace lead element to form various colors, and the enamel is gradually formed by multiple filling and baking, aiming at solving the problem that the enamel pigments in the prior art are directly applied to different metals to cause poisoning injury to human bodies, so that the enamel can be combined on the metal surfaces to prepare jewelry, and the safety of the enamel jewelry in wearing is ensured.

Drawings

FIG. 1 is a basic flow chart of composite enamel processing methods applied to a metal surface according to the present invention;

fig. 2 is a flowchart illustrating an embodiment of methods for processing composite enamel on a metal surface.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention is further illustrated in detail below with reference to the accompanying drawings and examples.

As shown in fig. 1 and 2, composite enamel processing methods applied to metal surfaces include the following steps:

step S100, manufacturing a pattern groove on the surface of the metal blank.