CN112659677B - Metal material for manufacturing ornaments, preparation method thereof and ornament preparation method - Google Patents
Metal material for manufacturing ornaments, preparation method thereof and ornament preparation method Download PDFInfo
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- CN112659677B CN112659677B CN202011552180.6A CN202011552180A CN112659677B CN 112659677 B CN112659677 B CN 112659677B CN 202011552180 A CN202011552180 A CN 202011552180A CN 112659677 B CN112659677 B CN 112659677B
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Abstract
The invention relates to the field of jewelry and discloses a metal material for manufacturing jewelry, a preparation method thereof and a jewelry preparation method. The metal material comprises an alloy layer, a noble metal layer and a solder layer, wherein the alloy layer is positioned between the noble metal layer and the solder layer, and in each layer, the melting point of the solder layer is the lowest and the thermal expansion coefficient is the largest. The preparation method of the metal material comprises the following steps: superposing a noble metal chip, an alloy chip and a solder chip; hot pressing; and cooling to obtain the metal material. The preparation method of the jewelry comprises the following steps: taking the metal material; butting the ends of the two layers, and enabling the layers with the same name to be opposite; heating to make the solder layer at the end expand and penetrate to form a whole. The welding can be completed by only butting two ends and then heating the two ends by adopting the material provided by the invention, and the material has the characteristics of simple process and high production efficiency.
Description
Technical Field
The invention relates to the field of jewelry, in particular to a metal material for manufacturing ornaments, a preparation method of the metal material and a method for preparing jewelry by using the metal material.
Background
In jewelry processing, a welding process is often needed, and during welding, one hand is needed to keep the solder at a part to be welded, and the other hand is needed to operate a welding gun, so that the defects of complex process and low production efficiency exist.
Disclosure of Invention
The object of the present invention is to provide a metal material for manufacturing ornaments, which solves the above-mentioned drawbacks of the related art.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a metallic material for use in the manufacture of an ornament, the metallic material comprising an alloy layer, a noble metal layer and a solder layer, the alloy layer being located between the noble metal layer and the solder layer, of the layers, the solder layer having the lowest melting point and the highest coefficient of thermal expansion.
In a first preferred scheme, the metal material is a sheet with a five-layer structure, and the five-layer structure sequentially comprises a noble metal layer, an alloy layer, a solder layer, an alloy layer and a noble metal layer from top to bottom.
In a second preferred scheme, the metal material is a sheet material with a three-layer structure, and the three-layer structure sequentially comprises a noble metal layer, an alloy layer and a solder layer from top to bottom.
In a third preferred scheme, the metal material is a pipe, and the noble metal layer is positioned on the outermost layer.
In a fourth preferred embodiment, the metal material is a wire, and the noble metal layer is located at the outermost layer.
Preferably, the content by weight of the noble metal layer in the metal material is not less than 5%.
The invention also provides a preparation method of the metal material.
A production method of a metal material for use in manufacturing an ornament, the metal material including a noble metal layer, an alloy layer and a solder layer, the metal material being a sheet, the production method comprising the steps of: superposing a noble metal chip, an alloy chip and a solder chip; hot pressing; and cooling to obtain the metal material.
In another preparation method of a metal material, the metal material is used for manufacturing ornaments, the metal material comprises a noble metal layer, an alloy layer and a solder layer, the metal material is a pipe or a wire, and the preparation method comprises the following steps: respectively forming an alloy pipe, a precious metal pipe, a solder pipe or a solder wire, and then sleeving the alloy pipe, the precious metal pipe, the solder pipe or the solder wire; hot pressing; cooling to obtain the metal material. Preferably, the hot pressing step further includes a step of stretching the tube in an axial direction of the tube or a step of stretching the wire in an axial direction of the wire.
The invention also provides a method for preparing the jewelry by using the metal material.
The preparation method of the jewelry comprises the following steps: taking the metal material; butting two ends of the metal material, and enabling the layers with the same name to be opposite; and then heating to make the solder layers at the two ends expand and penetrate into a whole.
The other jewelry preparation method comprises the following steps: taking a plurality of the metal materials; abutting ends of a plurality of the metal materials with the same-name layers facing each other; and then heating to make the plurality of solder layers of the metal materials expand and penetrate into a whole.
Compared with the prior art, the invention has at least the following beneficial effects:
by adopting the material, welding can be completed only by butting the end parts of the metal material and then heating, and the material has the characteristics of simple process and high production efficiency.
Drawings
FIG. 1 is a schematic structural diagram of a first embodiment of a metallic material;
FIG. 2 is a schematic structural diagram of a second embodiment of a metal material;
FIG. 3 is a schematic cross-sectional view of a third embodiment of a metal material;
FIG. 4 is a schematic cross-sectional view of a fourth embodiment of a metallic material;
reference numerals: 1. a solder layer; 2. an alloy layer; 3. a noble metal layer.
Detailed Description
The invention aims to overcome the defects of complex process, low production efficiency and the like of the existing metal material for manufacturing the ornament by welding by improving the metal material for manufacturing the ornament.
The invention is further illustrated with reference to the following figures and examples.
The first embodiment:
the metal material of the embodiment is used for manufacturing ornaments. The metal material is a sheet material with a three-layer structure.
Referring to fig. 1, the metal material is a sheet material, which has three layers, that is, a noble metal layer 3, an alloy layer 2, and a solder layer 1 from top to bottom, wherein the solder layer 1 has the lowest melting point and the largest thermal expansion coefficient.
The material of the noble metal layer 3 can be selected from various noble metal materials suitable for ornaments, and preferably gold, silver or platinum. The material of the alloy layer 2 is selected from any material which is inexpensive, can be combined with a noble metal, and can be combined with a solder, and a copper alloy or a silver alloy is preferable. The material of the solder layer 1 may be selected from any solder having a melting point lower than that of the noble metal and the alloy and a thermal expansion coefficient larger than that of the noble metal and the alloy, and preferably silver, an alloy of silver and platinum, aluminum, an alloy of aluminum and silver, brass, and gold.
The layer thickness of the noble metal layer 3 is defined such that the content by weight of the noble metal layer 3 in the metal material is not less than 5%.
The metal material can be formed by hot pressing or rolling.
The hot-pressing preparation method comprises the following steps:
firstly, sequentially superposing a noble metal chip, an alloy chip and a solder chip;
step two, hot pressing; the heating temperature is selected from 600 ℃ to 950 ℃, the melting point of the solder sheet is taken as a reference, the temperature is about 20 to 60 ℃ lower than the melting point, the pressure is between 150 tons and 250 tons, and the time is 1 to 12 hours;
and step three, cooling to obtain the metal material.
Second embodiment:
the metal material of the embodiment is used for manufacturing ornaments. The metal material is a sheet with a five-layer structure.
Referring to fig. 2, the metal material is a sheet having five layers, which are, from top to bottom, a noble metal layer 3, an alloy layer 2, a solder layer 1, an alloy layer 2, and a noble metal layer 3, wherein the solder layer 1 has the lowest melting point and the largest thermal expansion coefficient.
The material of the noble metal layer 3 can be selected from various noble metal materials suitable for ornaments, and is preferably gold, silver or platinum. The material of the alloy layer 2 is selected from any material which is inexpensive, can be combined with a noble metal, and can be combined with a solder, and a copper alloy or a silver alloy is preferable. The material of the solder layer 1 may be selected from any solder having a melting point lower than that of the noble metal and the alloy and a thermal expansion coefficient larger than that of the noble metal and the alloy, and preferably silver, an alloy of silver and platinum, aluminum, an alloy of aluminum and silver, brass, and gold.
The layer thickness of the noble metal layer 3 is defined such that the content by weight of the noble metal layer 3 in the metal material is not less than 5%.
The metal material can be formed by hot pressing or rolling.
The hot-pressing preparation method comprises the following steps:
firstly, sequentially superposing a noble metal chip, an alloy chip and a solder chip;
step two, hot pressing; the heating temperature is selected from 600 ℃ to 950 ℃, the melting point of the solder sheet is taken as a reference, the temperature is 20 to 60 ℃ lower than the melting point, the pressure is 150 tons to 250 tons, and the time is 1 to 12 hours;
and step three, cooling to obtain the metal material.
The third embodiment:
the metal material of the embodiment is used for manufacturing ornaments. The metal material is a pipe.
Referring to fig. 3, the present metal material includes an alloy layer 2, a noble metal layer 3 and a solder layer 1, the noble metal layer 3 is located at the outermost layer, the alloy layer 2 is located between the noble metal layer 3 and the solder layer 1, and in each layer, the melting point of the solder layer 1 is the lowest and the thermal expansion coefficient is the largest.
The material of the noble metal layer 3 can be selected from various noble metal materials suitable for ornaments, and preferably gold or platinum. The material of the alloy layer 2 is selected from any material which is inexpensive, can be combined with a noble metal, and can be combined with a solder, and a copper alloy or a silver alloy is preferable. The material of the solder layer 1 may be selected from any solder having a melting point lower than that of the noble metal and the alloy and a thermal expansion coefficient larger than that of the noble metal and the alloy, and preferably silver, an alloy of silver and platinum, aluminum, an alloy of aluminum and silver, brass, and gold.
The layer thickness of the noble metal layer 3 is defined such that the content by weight of the noble metal layer 3 in the metal material is not less than 5%.
The preparation method of the metal material comprises the following steps:
step one, casting an alloy pipe, a noble metal pipe and a solder pipe respectively; the inner diameter of the noble metal pipe is matched with the outer diameter of the alloy pipe, and the outer diameter of the solder pipe is matched with the inner diameter of the alloy pipe;
step two, sleeving an alloy pipe, a noble metal pipe and a solder pipe;
inserting a support rod into the solder tube, and carrying out hot pressing on the combined tube; the heating temperature is selected from 600 ℃ to 950 ℃, the melting point of the solder sheet is taken as a reference, the temperature is 20 to 60 ℃ lower than the melting point, the pressure is 150 tons to 250 tons, and the time is 1 to 12 hours;
and step four, cooling, and taking out the support rod to obtain the metal material.
Further after the hot pressing step, the tube is stretched in the axial direction of the tube, and a thinner metal tube can be obtained. After the stretching step is added, the composite metal pipe with the outer diameter of 0.05mm to 0.08mm and containing the solder layer 1, the alloy layer 2 and the noble metal layer 3 can be prepared.
It should be noted that the cross-section of the composite metal tubing may be any shape other than circular as shown in fig. 3, including but not limited to triangular, rectangular, polygonal, semi-circular, heart-shaped, etc.
The fourth embodiment:
the metal material of the embodiment is used for manufacturing ornaments. The metal material is wire.
Referring to fig. 4, the present metal material includes an alloy layer 2, a noble metal layer 3 and a solder layer 1, the noble metal layer 3 is located at the outermost layer, the alloy layer 2 is located between the noble metal layer 3 and the solder layer 1, and in each layer, the melting point of the solder layer 1 is the lowest and the thermal expansion coefficient is the largest.
The material of the noble metal layer 3 can be selected from various noble metal materials suitable for ornaments, and preferably gold or platinum. The material of the alloy layer 2 is selected from any material which is inexpensive, can be combined with a noble metal, and can be combined with a solder, and a copper alloy or a silver alloy is preferable. The material of the solder layer 1 may be selected from any solder having a melting point lower than that of the noble metal and the alloy and a thermal expansion coefficient larger than that of the noble metal and the alloy, and preferably silver, an alloy of silver and platinum, aluminum, an alloy of aluminum and silver, brass, and gold.
The layer thickness of the noble metal layer 3 is defined such that the content by weight of the noble metal layer 3 in the metal material is not less than 5%.
The preparation method of the metal material comprises the following steps:
step one, casting an alloy pipe, a noble metal pipe and a solder wire respectively; the inner diameter of the noble metal pipe is matched with the outer diameter of the alloy pipe, and the outer diameter of the solder wire is matched with the inner diameter of the alloy pipe;
step two, sleeving an alloy pipe, a noble metal pipe and a welding flux wire;
step three, hot pressing the combined pipe; the heating temperature is selected from 600 ℃ to 950 ℃, the melting point of the solder sheet is taken as a reference, the temperature is 20 to 60 ℃ lower than the melting point, the pressure is 150 tons to 250 tons, and the time is 1 to 12 hours;
and step four, cooling to obtain the metal material.
Further after the hot-pressing step, the wire rod is drawn in the axial direction of the wire rod, and a thinner metal wire rod can be obtained. After the stretching step is added, a composite metal wire rod having an outer diameter of 0.05mm to 0.08mm and including the solder layer 1, the alloy layer 2 and the noble metal layer 3 can be manufactured.
It should be noted that the cross-section of the composite metal wire may be any other shape than the circular shape shown in fig. 4, including but not limited to triangular, rectangular, polygonal, semicircular, heart-shaped, etc.
Fifth embodiment: method for preparing jewelry by using metal material
The preparation method of the jewelry comprises the following steps:
taking the metal material; for example, the tube material of the third embodiment or the wire material of the fourth embodiment described above is taken;
butting two ends of the metal material, and enabling the layers with the same name to be opposite; for example, the pipe or the wire is bent into a ring shape, and two ends of the pipe or the wire are butted, specifically, the solder layer 1 is opposite to the solder layer 1, the noble metal layer 3 is opposite to the noble metal layer 3, and the alloy layer 2 is opposite to the alloy layer 2; a clamp may be used to hold the two ends in a butted condition;
then heating to make the solder layers 1 at the two ends expand and penetrate to form a whole;
cooling to obtain annular jewelry such as bracelet, ring, earrings, etc.
Sixth embodiment: method for preparing jewelry by using metal material
The preparation method of the jewelry comprises the following steps:
taking a plurality of the metal materials;
butting the ends of a plurality of metal materials, and enabling the layers with the same names to be opposite, namely a solder layer 1 and a solder layer 1 to be opposite, a noble metal layer 3 and a noble metal layer 3 to be opposite, and an alloy layer 2 to be opposite;
then, heating is carried out to expand and penetrate the plurality of solder layers 1 of the metal material into a whole.
By the method of the sixth embodiment, a plurality of metal materials can be welded to form the jewelry.
As can be seen from the above, the metal material of the present invention has a layered structure, and includes an alloy layer 2 and a noble metal layer 3 for constructing jewelry, and further includes a solder layer 1. When the metal material is used for manufacturing the jewelry through welding, the parts to be welded are only needed to be butted and clamped, then the parts to be welded or the whole body is heated, for example, the whole jewelry is placed in a high-temperature furnace for high-temperature treatment, so that the butted welding flux layer 1 expands and permeates to form a whole body, and the welding is completed, therefore, the metal material has the characteristics of simple process and high production efficiency.
In addition, because the alloy layer 2 and the noble metal layer 3 are included, the alloy layer 2 has the advantage of low price, therefore, under the same cost, compared with a single noble metal material, the thickness of the metal material can be thicker, so that the metal material is not easy to collapse and deform after being made into a hollow ornament, and the weight is larger, so that the metal material has better quality feeling when being held in hands. Meanwhile, the noble metal layer 3, the alloy layer 2 and the solder layer 1 are compounded into a whole by adopting physical metallurgy, compared with gold plating and gilding, the ornament metal material compounded by physical metallurgy has high surface smoothness and uniform thickness, and the noble metal layer 3 is not easy to fall off.
The present invention has been described in detail with reference to the specific embodiments, and the detailed description is only for the purpose of helping those skilled in the art understand the present invention, and is not to be construed as limiting the scope of the present invention. Various modifications, equivalent changes, etc. made by those skilled in the art under the spirit of the present invention shall be included in the protection scope of the present invention.
Claims (10)
1. A metallic material for use in manufacturing an ornament, the metallic material comprising an alloy layer, a noble metal layer and a solder layer, the alloy layer being located between the noble metal layer and the solder layer, characterized in that: in each layer, the melting point of the solder layer is the lowest and the thermal expansion coefficient is the largest, so that after the end parts of a plurality of metal materials or different end parts of the same metal material are butted and heated in a mode that the same name layer is opposite to each other, the solder layer at the opposite end parts is expanded and penetrated to form a whole.
2. The metallic material according to claim 1, wherein: the metal material is a sheet with a five-layer structure, and the five-layer structure sequentially comprises a noble metal layer, an alloy layer, a solder layer, an alloy layer and a noble metal layer from top to bottom.
3. The metallic material according to claim 1, wherein: the metal material is a sheet material with a three-layer structure, and the three-layer structure sequentially comprises a noble metal layer, an alloy layer and a solder layer from top to bottom.
4. The metallic material according to claim 1, wherein: the metal material is a pipe or a wire, and the noble metal layer is positioned on the outermost layer.
5. The metallic material according to claim 1, wherein: the content of the noble metal layer in the metal material is not less than 5% by weight.
6. A method for preparing a metal material for manufacturing ornaments, wherein the metal material comprises a noble metal layer, an alloy layer and a solder layer, the solder layer has the lowest melting point and the largest thermal expansion coefficient in each layer, so that after a plurality of ends of the metal material or different ends of the same metal material are butted and heated in a mode that the same name layer is opposite, the solder layer at the butted ends expands and permeates to form a whole body, and the metal material is a sheet material, the method comprises the following steps:
superposing a noble metal chip, an alloy chip and a solder chip;
hot pressing;
and cooling to obtain the metal material.
7. A method for preparing a metal material, wherein the metal material is used for manufacturing ornaments, the metal material comprises a noble metal layer, an alloy layer and a solder layer, the melting point of the solder layer is the lowest and the thermal expansion coefficient is the largest in each layer, so that after a plurality of end parts of the metal material or different end parts of the same metal material are butted and heated in a mode that the same name layer is opposite, the solder layer at the butted end parts expands and permeates to form a whole, and the metal material is a pipe or a wire, the preparation method comprises the following steps:
respectively forming an alloy pipe, a precious metal pipe, a solder pipe or a solder wire, and then sleeving the alloy pipe, the precious metal pipe, the solder pipe or the solder wire;
hot pressing;
and cooling to obtain the metal material.
8. The method for producing a metal material according to claim 7, further comprising a step of stretching the tube in an axial direction of the tube or a step of stretching the wire in an axial direction of the wire after the hot-pressing step.
9. The jewelry preparation method is characterized by comprising the following steps:
taking a metal material as claimed in any one of claims 1 to 5;
butting two ends of the metal material, and enabling the layers with the same name to be opposite;
and heating to make the solder layers at the two ends expand and penetrate into a whole.
10. The jewelry preparation method is characterized by comprising the following steps:
taking a plurality of metal materials according to any one of claims 1 to 5;
abutting ends of a plurality of the metal materials with the same-name layers facing each other;
heating to make the plurality of solder layers of the metal materials expand and penetrate into a whole.
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| CN202011552180.6A CN112659677B (en) | 2020-12-24 | 2020-12-24 | Metal material for manufacturing ornaments, preparation method thereof and ornament preparation method |
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Citations (5)
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| JPH01226399A (en) * | 1988-03-08 | 1989-09-11 | Mitsubishi Metal Corp | Preparation of noble metal decorative plate equipped with pictorial symbol |
| US6352634B1 (en) * | 1998-06-10 | 2002-03-05 | W. C. Heraeus Gmbh & Co. Kg | Method for producing a lead-free substrate |
| CN101208023A (en) * | 2006-03-01 | 2008-06-25 | 中仓积一 | Precious metal jewellery and method for manufacturing the same |
| CN110126362A (en) * | 2019-05-20 | 2019-08-16 | 林雅烈 | A kind of ornaments metal material and preparation method |
| CN111391433A (en) * | 2020-05-09 | 2020-07-10 | 长沙威尔保新材料有限公司 | Wear-resistant composite metal material and preparation method thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030096135A1 (en) * | 2001-11-20 | 2003-05-22 | Stern Leach Company, A Corporation Of The State Of Delaware | Composite jewelry metal |
| ITVR20030086A1 (en) * | 2003-07-11 | 2005-01-12 | Silmar Spa | PROCEDURE FOR PRODUCING COMPOSITE SEMI-FINISHED PRODUCTS IN PRECIOUS ALLOY |
-
2020
- 2020-12-24 CN CN202011552180.6A patent/CN112659677B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01226399A (en) * | 1988-03-08 | 1989-09-11 | Mitsubishi Metal Corp | Preparation of noble metal decorative plate equipped with pictorial symbol |
| US6352634B1 (en) * | 1998-06-10 | 2002-03-05 | W. C. Heraeus Gmbh & Co. Kg | Method for producing a lead-free substrate |
| CN101208023A (en) * | 2006-03-01 | 2008-06-25 | 中仓积一 | Precious metal jewellery and method for manufacturing the same |
| CN110126362A (en) * | 2019-05-20 | 2019-08-16 | 林雅烈 | A kind of ornaments metal material and preparation method |
| CN111391433A (en) * | 2020-05-09 | 2020-07-10 | 长沙威尔保新材料有限公司 | Wear-resistant composite metal material and preparation method thereof |
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