CN111605348A - Production process combining cast gold and enamel - Google Patents
Production process combining cast gold and enamel Download PDFInfo
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- CN111605348A CN111605348A CN202010467639.6A CN202010467639A CN111605348A CN 111605348 A CN111605348 A CN 111605348A CN 202010467639 A CN202010467639 A CN 202010467639A CN 111605348 A CN111605348 A CN 111605348A
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- enamel
- gold
- finished product
- electroformed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D1/00—Electroforming
- C25D1/003—3D structures, e.g. superposed patterned layers
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Adornments (AREA)
Abstract
The invention provides a production process combining cast gold and enamel, which is characterized by comprising the following steps of: step 1, preparing a 3D electroformed gold semi-finished product; and 2, toning the enamel material, coating the enamel material on the 3D electroformed gold semi-finished product, placing the enamel-coated 3D electroformed gold semi-finished product in a drying oven, and baking to obtain a finished product. According to the invention, the blank that the electroforming gold process cannot be perfectly combined with the enamel process in the existing surface treatment process is solved and filled through the combination of the gold casting process and the enamel process, and the enamel product adopting the production process is integrated with the 3D electroforming machine after being baked, so that the product looks brighter after being fused on the surface of the enamel product.
Description
Technical Field
The invention relates to the field of cast gold, in particular to a production process for combining cast gold and weights.
Background
The cast gold is electroformed gold, and in the prior art, no process for combining the electroforming gold with the enamel process is available. In the prior market, glue (a chemically synthesized glue substance) is dripped to a commodity in the gold electroforming process, the commodity is put into a drying box and baked for 2 to 3 hours at 60 ℃, and the commodity can be delivered after being dried; although the product obtained by the prior art is enamel-like in effect, the dripping time is long, the color is changed or not stable, and the product is easy to fall off. The enamel technology is adopted, however, the color fading, the color changing and the falling off cannot happen, because the color of the enamel is made of powder ground by various ores. Thus, the prior art does not integrate the advantages of the enamel process into the electroformed gold process.
For example, reference 1 of patent application No. 201810635845.6 discloses a method for manufacturing a cast gold handicraft, which comprises the steps of 100, manufacturing an ornament; step 200, dissolving a gold raw material in aqua regia according to a fusibility ratio to obtain a chloroauric acid solution, and then adding ammonia water, sodium hydroxide and potassium hydroxide into the chloroauric acid solution to obtain a gold oxide solution; adding ammonium sulfite into the gold oxide solution, uniformly mixing to obtain gold ammonium sulfite, and then injecting into a solution with conductive salt, a stabilizer and a complexing light agent to form an electroforming solution; and 300, putting the ornament into an electroforming solution at the temperature of 25-80 ℃, wherein the pH value of the electroforming solution is 7.5-9, and after gold in the electroforming solution is completely deposited and electroformed on the surface of the ornament to form a hard gold layer, taking out the ornament, and performing cleaning and die-casting processes to obtain the ornament surface cast hard gold handicraft. However, the reference 1 still fails to combine the electroforming process and the enameling process.
Disclosure of Invention
In order to solve the above problems, the primary object of the present invention is to provide a process for producing enamel by combining gold casting and enamel, which effectively solves and fills the gap that the gold electroforming process cannot be perfectly combined with the enamel process in the surface treatment process.
Another object of the present invention is to provide a process for the production of a cast-gold and enamel combination that provides a more shiny product with a fused-together surface.
In order to achieve the above object, the present invention has the following technical means.
The invention provides a production process combining cast gold and enamel, which is characterized by comprising the following steps of:
step 1, preparing a 3D electroformed gold semi-finished product;
and 2, toning the enamel material, coating the enamel material on the 3D electroformed gold semi-finished product, putting the enamel-coated 3D electroformed gold semi-finished product into a drying oven for baking, and baking to obtain a finished product. In the production process, the gold casting process and the enamel process are combined, the blank that the gold electroforming process cannot be perfectly combined with the enamel process in the existing surface treatment process is solved and filled, the enamel and the 3D electroforming process are integrated after baking, and the product looks brighter after being fused into a whole on the surface.
Furthermore, in the step 1, a prepared 3D electroformed gold semi-finished product is provided with a reserved position coated with enamel, and in the step 2, the enamel material is mixed with color according to the design requirement, uniformly stirred and coated on the reserved position of the 3D electroformed gold semi-finished product.
Furthermore, the depth of the reserved position of the 3D electroformed gold semi-finished product is 0.5mm-0.8 mm.
Further, the 3D electroformed gold semi-finished product coated with the enamel is placed into a drying oven for baking.
Further, the 3D electroformed gold semi-finished product coated with the enamel is placed in a drying oven, the temperature is adjusted to 80 ℃ for baking for 5-7 hours to solidify the enamel so that the enamel does not flow, then the temperature is adjusted to 100 ℃ for baking for 1-2 hours so that the enamel is completely solidified, and then the temperature is adjusted to 120 ℃ for baking for 2 hours so that the enamel is completely solidified from inside to outside and then taken out. The temperature is gradually increased from low temperature to high temperature, so that the enamel is completely cured from inside to outside.
Further, the enamel-coated 3D electroformed gold semi-finished product is placed in a drying oven, the temperature is adjusted to 80 ℃ and the enamel-coated 3D electroformed gold semi-finished product is baked for 5-7 hours, and the position of the enamel-coated 3D electroformed gold semi-finished product is switched every 30 minutes to be heated uniformly.
Further, the production process also comprises a step 3, wherein the step 3 is as follows: and (3) treating the surface of the enamel after the enamel on the finished product is cured, and smoothly polishing the surface joint of the enamel part and the 3D electroformed gold part in the finished product by using sand paper.
Further, the step 3 of smoothing polishing is to observe whether the surface of the joint of the enamel part and the 3D electroformed gold part in the finished product is uneven or not, polish the surface of the finished product flat by using a No. 600 sand paper when the surface is uneven, and touch the finished product with fingers to determine whether to scrape hands or not, wherein the finished product meets the standard when the hands do not scrape hands.
Further, the production process also comprises a step 4, wherein the step 4 is as follows: polishing and cleaning, polishing the enamel part on the finished product to the surface of the enamel part till the surface is bright, and cleaning the polished finished product.
Further, the step 1 specifically includes the following steps:
step 1.1, 3D drawing, using a computer to make a product design drawing into a 3D drawing, reserving an enamel coating position, and spraying a wax mold;
step 1.2, manufacturing a silver plate, namely performing reverse molding on the wax mould to obtain the silver plate, and then carrying out holding or manually lifting the silver plate or lifting the silver plate by an engraving and milling machine;
and step 1.3, pressing a rubber film, namely pressing the prepared silver plate into a rubber mold by using rubber.
And step 1.4, discharging an alloy film, injecting low-temperature alloy water into a rubber mold, cooling, taking out the alloy mold, and polishing the alloy mold smoothly by using sand paper.
And 1.5, 3D electroforming a gold semi-finished product, and putting the alloy mold into an electroforming cylinder to obtain the semi-finished product.
The invention has the advantages that compared with the prior art, the invention combines the gold casting process and the enamel process, solves and fills the blank that the electroforming gold process cannot be perfectly combined with the enamel process in the existing surface treatment process, and the product adopting the production process integrates the enamel and the 3D electroforming financial into a whole after being baked, and the product looks brighter after being fused into a whole on the surface.
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.
In order to achieve the above object, one embodiment of the present invention is as follows.
The invention provides a production process combining cast gold and enamel, which is characterized by comprising the following steps of:
step 1.1, firstly, a product design drawing is made into a 3D drawing by a computer, an enamel coating position is reserved (namely, the enamel coating reserved position is arranged in the 3D drawing), and a wax mold is sprayed out.
And 1.2, reversing the wax mould to form a silver plate, and carrying out manual plate lifting or plate lifting by an engraving and milling machine. The purpose is to make the design into a silver plate. The depth of the groove at the enamel coating position is 0.5mm-0.8 mm. If the groove is too deep, the baking time is prolonged.
And step 1.3, pressing the prepared silver plate into a rubber mold by using rubber.
And step 1.4, injecting low-temperature alloy water into the rubber mold, taking out the alloy mold after cooling, and smoothly polishing the alloy mold by using sand paper. Especially, the positions of enamel coating are not provided with burrs, the edges are neat and smooth in lines, and the edges and corners are clear.
And step 1.5, putting the alloy mold into an electroforming cylinder, and manufacturing a 3D electroformed gold semi-finished product within a certain time.
And 2, toning the enamel material according to the design requirement, uniformly stirring, and filling the enamel material to the reserved position of the 3D electroformed gold semi-finished product. And then putting the semi-finished product into a drying box, adjusting the temperature to 80 ℃, baking for 5-7 hours, solidifying so that enamel does not flow, and uniformly heating the semi-finished product coated with the 3D electroformed gold at the conversion position every 30 minutes. Then the temperature is adjusted to 100 ℃ and baked for 1-2 hours to make the enamel completely solidified, and then the temperature is adjusted to 120 ℃ and baked for 2 hours to completely solidify from inside to outside and then taken out. The temperature is gradually increased from low temperature to high temperature, so that the enamel is completely cured from inside to outside, and a finished product is produced after baking.
And 3, smoothly polishing the surface joint of the enamel part and the 3D electroformed gold part of the finished product by using sand paper. Specifically, whether the surface of the joint of the enamel part and the 3D electroformed gold part of the finished product is uneven or not was observed. Then, the surface of the paper is polished to be flat by using No. 600 sand paper, and a finger is used for touching whether to scrape the hand, and if the hand is not scraped, the standard can be considered to be met.
And 4, in the polishing process, a special wool cloth wheel is used for adjusting the rotation number to 500-1000, and the finished product is placed on the cloth wheel to polish the enamel part of the finished product back and forth until the surface is bright. After cleaning, the joint between the enamel surface and the electroformed gold is observed under normal light. So that the final surface of the finished product is bright and perfect.
The invention has the advantages that compared with the prior art, the invention combines the gold casting process and the enamel process, solves and fills the blank that the electroforming gold process cannot be perfectly combined with the enamel process in the existing surface treatment process, and the product adopting the production process integrates the enamel and the 3D electroforming financial into a whole after being baked, and the product looks brighter after being fused into a whole on the surface.
Claims (10)
1. A production process combining cast gold and enamel is characterized by comprising the following steps:
step 1, preparing a 3D electroformed gold semi-finished product;
and 2, toning the enamel material, coating the enamel material on the 3D electroformed gold semi-finished product, baking the enamel-coated 3D electroformed gold semi-finished product, and baking to obtain a finished product.
2. The process for producing cast gold and enamel according to claim 1, wherein the 3D electroformed gold semifinished product is provided with enamel-coated prepared positions in step 1, and the enamel material is applied to the prepared positions of the 3D electroformed gold semifinished product after being toned and stirred uniformly in step 2.
3. The process for producing cast gold and enamel according to claim 2, wherein the depth of the reserved position of the 3D electroformed gold semi-finished product is 0.5mm to 0.8 mm.
4. The process for producing cast gold and enamel according to claim 2, wherein the enamel-coated 3D electroformed gold semi-finished product is baked in a baking oven.
5. The process for producing cast gold and enamel according to claim 4, wherein the 3D enamel-coated electroformed gold semi-finished product is placed in a drying oven, the temperature is adjusted to 80 ℃ for baking for 5-7 hours to solidify the enamel without flowing, then the temperature is adjusted to 100 ℃ for baking for 1-2 hours to completely solidify the enamel, and the temperature is adjusted to 120 ℃ for baking for 2 hours to completely solidify the enamel from inside to outside and then the enamel is taken out.
6. The process for producing cast gold and enamel according to claim 5, wherein the enamel-coated 3D electroformed gold semifinished product is baked for 5-7 hours at a temperature of 80 ℃ in a baking oven, and the enamel-coated 3D electroformed gold semifinished product is transferred to the place to be heated uniformly every 30 minutes.
7. A process for cast gold and enamel bonding according to claim 1, wherein the process further comprises step 3, wherein step 3 comprises: and (3) treating the surface of the enamel after the enamel on the finished product is cured, and smoothly polishing the surface joint of the enamel part and the 3D electroformed gold part in the finished product by using sand paper.
8. The process for manufacturing enamel and cast gold according to claim 7, wherein the smoothing in step 3 is performed by observing whether the surface of the joint between the enamel portion and the 3D electroformed gold portion in the final product is uneven, smoothing the surface with a sand paper when the surface is uneven, and touching with fingers to scratch the surface, which meets the standard when there is no hand-scraping feeling.
9. The process for cast gold and enamel bonding according to claim 7, wherein the process further comprises step 4, wherein step 4 comprises: polishing the enamel part on the finished product until the surface of the enamel part is bright, and cleaning the polished finished product.
10. The process for cast gold and enamel joint production according to claim 1, wherein step 1 comprises the following steps:
step 1.1, 3D drawing, using a computer to make a product design drawing into a 3D drawing, reserving an enamel coating position, and spraying a wax mold;
step 1.2, manufacturing a silver plate, namely performing reverse molding on the wax mould to obtain the silver plate, and then carrying out holding or manually lifting the silver plate or lifting the silver plate by an engraving and milling machine;
step 1.3, pressing a rubber film, namely pressing the prepared silver plate into a rubber mold by using rubber;
step 1.4, an alloy film is produced, low-temperature alloy water is injected into a rubber mold, the alloy mold is taken out after cooling, and the alloy mold is smoothly polished by sand paper;
and 1.5, 3D electroforming a gold semi-finished product, namely putting the alloy mold into an electroforming cylinder to prepare the semi-finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010467639.6A CN111605348A (en) | 2020-05-28 | 2020-05-28 | Production process combining cast gold and enamel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010467639.6A CN111605348A (en) | 2020-05-28 | 2020-05-28 | Production process combining cast gold and enamel |
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| CN111605348A true CN111605348A (en) | 2020-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010467639.6A Pending CN111605348A (en) | 2020-05-28 | 2020-05-28 | Production process combining cast gold and enamel |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2828420A1 (en) * | 2001-08-10 | 2003-02-14 | Pascaline Roselyne Domi Reaute | Fabrication of light or hollow decorative metal objects for jewelry involves producing a core by folding green wax sheet, welding wax on fold, smearing core with lacquer, electrolytic deposition and leaving core inside object |
| CN107059070A (en) * | 2017-04-21 | 2017-08-18 | 深圳市金玉福珠宝首饰有限公司 | A kind of electroforming process of karat gold ornaments |
| CN107618312A (en) * | 2017-08-04 | 2018-01-23 | 段全忠 | A kind of preparation method of silver-colored painted enamel jewellery |
| CN108973484A (en) * | 2018-10-10 | 2018-12-11 | 深圳市金宝盈文化股份有限公司 | A kind of noble metal products manufacture craft of Wen Bianfang colour enamels oil dripping |
| CN109628962A (en) * | 2019-01-21 | 2019-04-16 | 南京市产品质量监督检验院 | A kind of preparation method of no cyanogen 18k gold ornaments |
-
2020
- 2020-05-28 CN CN202010467639.6A patent/CN111605348A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2828420A1 (en) * | 2001-08-10 | 2003-02-14 | Pascaline Roselyne Domi Reaute | Fabrication of light or hollow decorative metal objects for jewelry involves producing a core by folding green wax sheet, welding wax on fold, smearing core with lacquer, electrolytic deposition and leaving core inside object |
| CN107059070A (en) * | 2017-04-21 | 2017-08-18 | 深圳市金玉福珠宝首饰有限公司 | A kind of electroforming process of karat gold ornaments |
| CN107618312A (en) * | 2017-08-04 | 2018-01-23 | 段全忠 | A kind of preparation method of silver-colored painted enamel jewellery |
| CN108973484A (en) * | 2018-10-10 | 2018-12-11 | 深圳市金宝盈文化股份有限公司 | A kind of noble metal products manufacture craft of Wen Bianfang colour enamels oil dripping |
| CN109628962A (en) * | 2019-01-21 | 2019-04-16 | 南京市产品质量监督检验院 | A kind of preparation method of no cyanogen 18k gold ornaments |
Non-Patent Citations (1)
| Title |
|---|
| 深圳市周六福金业文化有限公司: "3D硬金珐琅饰品的优点&保养", 《微信公众号》 * |
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