CN202197953U - Copper alloy composite coin or stamp with edge part with layered anti-counterfeiting structures - Google Patents
Copper alloy composite coin or stamp with edge part with layered anti-counterfeiting structures Download PDFInfo
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- CN202197953U CN202197953U CN2011202828742U CN201120282874U CN202197953U CN 202197953 U CN202197953 U CN 202197953U CN 2011202828742 U CN2011202828742 U CN 2011202828742U CN 201120282874 U CN201120282874 U CN 201120282874U CN 202197953 U CN202197953 U CN 202197953U
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Abstract
The utility model discloses a copper alloy composite coin, in particular to a copper alloy composite coin or stamp with an edge with layered anti-counterfeiting structures. The copper alloy composite coin or stamp with the edge with the layered anti-counterfeiting structures is made of two layers or three layers of copper alloy composite materials. Two or three layers of structures are exposed at the edge of the coin, wherein at least one layer is a special copper alloy material layer for coinage. The utility model provides the coin and a processing method, wherein the coin is made of two or three layers of copper alloy composite materials and is provided with the edge at which the layered anti-counterfeiting structures with different colors are exposed. The layered structures at the edge of the coin are uniform and visible. The utility model provides a coin public anti-counterfeiting technology. The public anti-counterfeiting effect and the ornament of the coin can be obviously improved. The copper alloy composite coin or stamp with the edge with the layered anti-counterfeiting structures is beneficial to a bank machine and is beneficial for carrying out machine-readable identification in the automatic selling process.
Description
Technical field
The utility model relates to a kind of copper alloy composite material coin, particularly relates to copper alloy composite material coin, chapter that a kind of limit portion has the stratiform anti-counterfeit structure.
Background technology
Compound in recent years coinage materials becomes coin circulation Development of Materials forward position, the world today with its excellent properties, but because compound coinage materials is emerging coinage materials, cost is also relatively costly, influences its promoting the use of in the coinage field.The country that at present existing minority is flourishing takes the lead in producing coin with composite, and is applied in the high par value coin production.As everyone knows, composite has embodied the false proof level of higher material, and Czech, the U.S., euro area country, Sweden, Russia and Korea S have all adopted composite, have anti-fake effect preferably.For example 1 dollar has been adopted composite, 1,2 also with composite as inner core, combine with double-colored coin, all obviously strengthened the anti-counterfeiting performance of coin.10 won coins also are to have selected copper/aluminium/copper 3-layer composite material, but its limit portion only shows the aluminum interlayer metal, are aluminium white, and upper and lower surfaces are colors of copper, have formed a kind of special popular anti-counterfeiting characteristic.The manufacturing materials of the composite coin limit portion stratiform anti-counterfeit structure that this patent relates to and technology of preparing are all different with preparation technology with existing disclosed structure.
In China, composite is widely used in fields such as electric switch, household implements and electrical equipment, but still in coin manufacturing field, does not use composite.
At present, coin both domestic and external limit portion anti-counterfeiting technology has mainly been used a tooth technology, has been rolled the word technology, groove rolls word technology etc., and wherein a silk tooth mainly is divided into raw silk rings tooth and two kinds in oblique silk tooth.These anti-counterfeiting technologies all are to be worked in process of production in the portion of coin limit through mechanical processing tools, are not to utilize the design feature of coin material itself to make the popular anti-counterfeiting characteristic of formation.The utility model will utilize specific composite structure, and portion produces clear uniform layer structure on the limit of composite coin through specific processing technology, forms the popular anti-counterfeiting technology under a kind of special process control.
Current; China's coinage industry faces further promotes the technology content of RMB coin circulation and the urgent demand of false proof level; This urgent demand has been catered in the successful exploitation of copper alloy composite material coin limit portion stratiform anti-counterfeit structure technology just, and can significantly improve the anti-counterfeit capability of circulation of RMB coin.
The utility model content
The utility model is exactly copper alloy composite material coin, the chapter that a kind of limit portion that provides in order to solve the problems of the technologies described above has the stratiform anti-counterfeit structure; It is two-layer or the limit portion of the coin made of three layers of copper alloy composite material manifests the coin and the processing method thereof of the stratiform anti-counterfeit structure of different colours; Limit portion layer structure is even; Directly perceived visible, be the popular anti-counterfeiting technology of a kind of coin, can significantly improve the popular antifalse effect and the sight of coin.
In order to solve the problems of the technologies described above, the utility model is realized through following technical proposals.
Limit portion has copper alloy composite material coin, the chapter of stratiform anti-counterfeit structure, and its structure is following: the limit portion of coin appears two-layer or three-decker.
The limit portion of described coin appears double-layer structure, and wherein the thickness proportion of ground floor material layer and second layer material layer is 1: 1～2.
The limit portion of described coin appears double-layer structure, and wherein the thickness proportion of ground floor material layer, second layer material layer and trilaminate material layer is 1: 1～3: 1～3.
The limit portion of described coin appears three-decker, and wherein the thickness proportion of ground floor material layer, second layer material layer and trilaminate material layer is 2: 3～4: 0.5～4.
Owing to adopt technique scheme, make to the utlity model has following advantage and effect:
The utility model is two-layer or the limit portion of the coin made of three layers of copper alloy composite material manifests the coin and the processing method thereof of the stratiform anti-counterfeit structure of different colours; Limit portion layer structure is even; Directly perceived visible; Be the popular anti-counterfeiting technology of a kind of coin, can significantly improve the popular antifalse effect and the sight of coin.The utility model helps bank machine and in automatic vending, carries out machine-readable identification.
Description of drawings
Fig. 1 is the perspective view of the utility model embodiment 1.
Fig. 2 is the cross-sectional structure sketch map of the utility model embodiment 1.
Fig. 3 is the perspective view of the utility model embodiment 2.
Fig. 4 is the cross-sectional structure sketch map of the utility model embodiment 2.
Fig. 5 is the perspective view of the utility model embodiment 3.
Fig. 6 is the cross-sectional structure sketch map of the utility model embodiment 3.
Among the figure, 1, coin limit portion outward appearance ground floor, 2, the coin limit portion outward appearance second layer, 3, the 3rd layer of coin limit portion outward appearance, 4, the ground floor material layer of composite, 5, the second layer material layer of composite, 6, the trilaminate material layer of composite.
The specific embodiment
Below in conjunction with embodiment, the utility model is further elaborated, but the protection domain of the utility model is not limit by embodiment.
The utility model limit portion has copper alloy composite material coin, the chapter of stratiform anti-counterfeit structure, and the limit portion of coin appears two-layer or three-decker, and wherein one deck is a coinage special purpose copper alloy material layer at least.
Embodiment 1: as depicted in figs. 1 and 2, the limit portion of the utility model coin appears double-layer structure, i.e. the coin limit portion outward appearance ground floor 1 and the coin limit portion outward appearance second layer 2.The composite of making this kind coin is two-layer composite; Be formed by connecting ground floor material layer 4 and second layer material layer 5; The ground floor material is the special-purpose brass alloys of coinage, and the trade mark is HSn72-1-1, and second layer material is the special-purpose copper-nickel alloy alloy of coinage; The trade mark is BZn15-17, and the thickness proportion of double-layer structure is 1: 1.
The thickness proportion of ground floor material layer 4 and second layer material layer 5 also can be 1: 2 or 1: 1.5.
Embodiment 2: like Fig. 3 and shown in Figure 4, the limit portion of the utility model coin appears double-layer structure, i.e. the coin limit portion outward appearance ground floor 1 and the coin limit portion outward appearance second layer 2.The composite of making this kind coin is a 3-layer composite material; Be formed by connecting on ground floor material layer 4, second layer material layer 5 and trilaminate material layer 6, ground floor material layer 4 is the special-purpose copper-nickel alloy alloy of coinage, and the trade mark is BZn15-17; Second layer material layer 5 is a red copper; The trade mark is T2, and trilaminate material layer 6 is the special-purpose copper-nickel alloy alloy of coinage, and the trade mark is BZn15-17; The thickness proportion of ground floor material layer 4, second layer material layer 5 and trilaminate material layer 6 is 1: 2.6: 2.6.
Embodiment 3: like Fig. 5 and shown in Figure 6, the limit portion of the utility model coin appears three-decker, and promptly coin limit portion outward appearance ground floor 1, the coin limit portion outward appearance second layer 2 and coin limit portion outward appearance are the 3rd layer 3.The composite of making this kind coin is a 3-layer composite material; Be formed by connecting on ground floor material layer 4, second layer material layer 5 and trilaminate material layer 6, ground floor material layer 4 is the special-purpose brass alloys of coinage, and the trade mark is HSn72-1-1; Second layer material layer 5 is a red copper; The trade mark is T2, and trilaminate material layer 6 is the special-purpose brass alloys of coinage, and the trade mark is HSn72-1-1; The thickness proportion of ground floor material layer 4, second layer material layer 5 and trilaminate material layer 6 is 2: 3: 3.5.
Embodiment 4: ground floor material layer 4 is the special-purpose copper-nickel alloy alloy of coinage, and the trade mark is BZn15-17, and second layer material layer 5 is a red copper, and the trade mark is T2, and trilaminate material layer 6 is the special-purpose copper-nickel alloy alloy of coinage, and the trade mark is BZn15-17.The thickness proportion of ground floor material layer 4, second layer material layer 5 and trilaminate material layer 6 is 2: 1: 3, and other is with embodiment 3.
Embodiment 5: ground floor material layer 4 is the special-purpose copper-nickel alloy alloy of coinage, and the trade mark is BZn15-17, and second layer material layer 5 is the special-purpose brass alloys of coinage, and the trade mark is HSn72-1-1, and trilaminate material layer 6 is the special-purpose copper-nickel alloy alloy of coinage, and the trade mark is BZn15-17.The thickness proportion of ground floor material layer 4, second layer material layer 5 and trilaminate material layer 6 is 1: 1: 2.Other is with embodiment 3.
Embodiment 6: ground floor material layer 4 is the special-purpose brass alloys of coinage, and the trade mark is HSn72-1-1, and second layer material layer 5 is the special-purpose copper-nickel alloy alloy of coinage, and the trade mark is BZn15-17, and trilaminate material layer 6 is the special-purpose brass alloys of coinage, and the trade mark is HSn72-1-1.The thickness proportion of ground floor material layer 4, second layer material layer 5 and trilaminate material layer 6 is 1: 2: 3.Other is with embodiment 3.
Embodiment 7: the limit portion with the copper alloy composite material coin is three layers of anti-counterfeit structure; It is brass that copper alloy composite material is selected ground floor material layer 4; Second layer material layer 5 is a red copper; Trilaminate material layer 6 is an example for the brass 3-layer composite material, and the preparation method of the utility model coin is explained further details:
A, get the raw materials ready: by strip width 205mm; 2: 2～4: 1～3.5 pairs brass of the thickness proportion of each constituent element and red copper are got the raw materials ready, and press composite rolling reduction ratio 67%, finish rolling reduction ratio 36%; The finished product thickness of strip 1.8mm calculating of retrodicting; Can draw compound preceding each constituent element thickness is: outer brass thickness is 2mm, and intermediate layer red copper thickness is 2～4mm, and another outer brass thickness is 1～3.5mm.
B, brush finish: utilize the brush finish machine that copper alloy composite material constituent element band is carried out brush finish and handle, brush falls the oxide layer and the foreign matter of strip surface, exposes fresh copper alloy surface.
C, solid phase are compound: utilize composite rolling mill to carry out composite rolling, and once rolling rate 67%, the thickness after compound is 2.8mm.
D, diffusion annealing: the gained cold-reduced sheet, annealing 60min under the protection of reducing atmosphere, temperature is controlled at 450 ℃～650 ℃ and carries out annealing in process.
E, slitting: slitting composite strip width 205mm → 195mm.
F, finish rolling: rolling composite strip thickness 2.8mm → 1.8mm, rolling rate 36%.
G, slitting packing: cut strip width 195mm → 186mm.
h, washed cake: punching blanks specifications
convex mold punch with specific parameters: die
Punch
I, the shaping of limit portion: carry out the shaping of limit portion with the base cake of the special-purpose edge knurling machine of coinage after and handle to stamping-out; The shaping groove is selected flat-bottom slot; Groove width 2.1mm; After the shaping of limit portion, the gross thickness behind base cake vary in diameter
the limit portion protuberance is 2.1mm, and limit portion is smooth.
J, annealing: the composite wood material base cake 60min that under reducing atmosphere, anneals, temperature is controlled at 650 ℃.
K, corrosion light decorations: in light polishing machine, carry out corrosion in 5 minutes and turnery earlier by every barrel about 500～1500 gram corrosive agent of consumption; Clean subsequently; Adding an amount of concentration and be 5～10% sulfuric acid liquid (amount of sulfuric acid is by the composite wood material base cake weight decision that drops into) carries out acid-base neutralization and handled about 2 minutes; Added an amount of light decorations agent light decorations turnery again 20～60 minutes, subsequently cleaning-drying.
L, product impression:, impress according to the requirement of product imprint process.
Used corrosive agent is selected the special-purpose corrosion of metallic copper medicament among the preparation method of the foregoing description 6.The corrosion medicament is the potassium hydrogen persulfate composite salts that Shanghai god of fortune Chemical Industry Science Co., Ltd produces, and its molecular structure is 2KHSO
5KHSO
4K
2SO
4
Claims (4)
1. limit portion has copper alloy composite material coin, the chapter of stratiform anti-counterfeit structure, it is characterized in that the limit portion of coin appears two-layer or three-decker.
2. limit according to claim 1 portion has copper alloy composite material coin, the chapter of stratiform anti-counterfeit structure, it is characterized in that the limit portion of described coin appears double-layer structure, and wherein the thickness proportion of ground floor material layer and second layer material layer is 1: 1～2.
3. limit according to claim 1 portion has copper alloy composite material coin, the chapter of stratiform anti-counterfeit structure; The limit portion that it is characterized in that described coin appears double-layer structure, and wherein the thickness proportion of ground floor material layer, second layer material layer and trilaminate material layer is 1: 1～3: 1～3.
4. limit according to claim 1 portion has copper alloy composite material coin, the chapter of stratiform anti-counterfeit structure; The limit portion that it is characterized in that described coin appears three-decker, and wherein the thickness proportion of ground floor material layer, second layer material layer and trilaminate material layer is 2: 3～4: 0.5～4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202828742U CN202197953U (en) | 2011-07-26 | 2011-07-26 | Copper alloy composite coin or stamp with edge part with layered anti-counterfeiting structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202828742U CN202197953U (en) | 2011-07-26 | 2011-07-26 | Copper alloy composite coin or stamp with edge part with layered anti-counterfeiting structures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202197953U true CN202197953U (en) | 2012-04-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202828742U Expired - Lifetime CN202197953U (en) | 2011-07-26 | 2011-07-26 | Copper alloy composite coin or stamp with edge part with layered anti-counterfeiting structures |
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| CN (1) | CN202197953U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106942855A (en) * | 2017-03-30 | 2017-07-14 | 成都印钞有限公司 | A kind of special-shaped Interface composites coin or chapter and its preparation technology |
| CN108000985A (en) * | 2017-11-20 | 2018-05-08 | 北京北冶功能材料有限公司 | A kind of coin laminated-metal composite |
-
2011
- 2011-07-26 CN CN2011202828742U patent/CN202197953U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106942855A (en) * | 2017-03-30 | 2017-07-14 | 成都印钞有限公司 | A kind of special-shaped Interface composites coin or chapter and its preparation technology |
| CN108000985A (en) * | 2017-11-20 | 2018-05-08 | 北京北冶功能材料有限公司 | A kind of coin laminated-metal composite |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120425 |