CN102106631B - Preparation method of for -sided embossed leaf metal souvenir badge - Google Patents
Preparation method of for -sided embossed leaf metal souvenir badge Download PDFInfo
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- CN102106631B CN102106631B CN200910200952.7A CN200910200952A CN102106631B CN 102106631 B CN102106631 B CN 102106631B CN 200910200952 A CN200910200952 A CN 200910200952A CN 102106631 B CN102106631 B CN 102106631B
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Abstract
The invention discloses a preparation method for a double-sided embossed leaf metal souvenir badge. The preparation method is characterized in that the preparation method of a thin blank cake adopts the production process of first blank cake blanking, blank cake performing and second blank cake blanking, the produced thin blank cake is dish-shaped with a thicker middle and a thinner edge, in the method, certain metal accumulation amount is preformed on the thin blank cake, thereby facilitating the stamping of double-sided embossed thin products. A thin printing mold adopts a female screw mold with different patterns, the surface of the mold has such surface processing effects of a mirror surface, sand blasting, and the like, and the layout and height of the patterns of the mold are limited appropriately. A novel double-sided embossed leaf metal souvenir badge is produced through the closed stamping method.
Description
Technical field:
The present invention relates to the technical field of metal coins (chapter), specifically a kind of preparation method of sided embossed leaf metal souvenir badge.
Background technology:
Sheet metal souvenir badge (thickness≤0.50mm of this series products thinnest part) mostly in the market is the sheet product of concave-convex type, and product is just, the figure line at the back side is identical, and wherein one but positive line, and another side is internal or female screw.Its preparation method be just, the figure line of back of the body mould makes equally, one of them mould is made positive line, another mould is made identical internal or female screw.It is to adopt silver to be evenly rolled down to after certain thickness that base cake is made, and a blank-forming, after annealed cleaning, then by the mode of impression, completes the making of product.This kind of preparation method is quite ripe, sheet metal souvenir badge product on market is also to adopt in this way to make mostly, but it only limits to make the sheet product of concave-convex type, and just can not make, sheet metal product that the back side all has different burrs.Because if take above-mentioned preparation method, so can be because the thickness of base cake is too thin, when product impression, the amount of flow of metal is abundant not, and product is difficult for being pressed foot completely.In addition press sufficient product completely in order to want, if too pursue and strengthen force of impression, the service life that also can reduce mould.Therefore above-mentioned preparation method is not suitable for making the two-sided sheet metal souvenir badge product all with different burrs.
Through adopting keyword, domestic and international patent database is retrieved, and the Patents detecting is analyzed, can find out and in existing disclosed domestic and international patent, all have manufacturing technology (the Chinese patent CN200610025289 that relates to relief type coin or commemorative coin, US Patent No. 2002154290, European patent EP 1718182 etc.), but the just commemorative coin relief pattern that major part relates to, the manufacture craft of image, these patented technologies are not because relating to preparation method's the technical essential of ultra-thin type double face burr embossment commemorative coin (chapter), little with this problem relation.Therefore this problem has certain novelty in the scope of the claims at home and abroad.
Summary of the invention:
The object of this invention is to provide a kind of just, the back side has the preparation method of the slim souvenir badge of different burr relief patterns, adopt the method can produce a kind of novel just, the back side has the slim souvenir badge of different burr relief patterns.
To achieve these goals, technical scheme of the present invention is: a kind of preparation method of sided embossed leaf metal souvenir badge, it is characterized in that: described preparation method comprises the steps: a, to being rolling to certain thickness metal strip, carry out base cake blanking; B, base cake is annealed; The optical mode that c, processing and fabricating preform are used; D, base cake is carried out to preform impression; E, base cake is carried out to secondary blanking; F, the base cake after secondary blanking is annealed; G, the base cake after secondary blanking is cleaned to light decorations; H, make required printing die and mould circle; I, employing coinage special equipment carry out multi-impression shaping.
The present invention is by adopting the thin slice base cake preparation method of blanking → base cake preform → base cake secondary blanking of base cake, and suitably control figure line layout and the figure line height of mould, in conjunction with adopting the production technology of closed impression, be made into a kind of brand-new just, the back side has the ultrathin souvenir badge of different burr relief patterns.That such souvenir badge has is slim, burr, difficult imitated feature.First this series products is very thin, and its thickness is only 1/4 left and right of same specification product; Secondly it not only just, the back side has different burr embossing patterns, but also have certain figure line height; In addition this series products is also more difficult imitated, adopts conventional imprint process, cannot press sufficient product at all.Visible, this kind of preparation method broken through the manufacture craft of traditional thin slice souvenir badge, has certain novelty.
Brief description of the drawings:
Fig. 1 is the base cake generalized section of the present invention after to a blanking
Fig. 2 is that the present invention is to base cake preform process schematic diagram
Fig. 3 is the base cake generalized section of the present invention after to preform
Fig. 4 is the base cake generalized section of the present invention after to secondary blanking
Fig. 5 is process chart of the present invention
Detailed description of the invention:
Below in conjunction with accompanying drawing, the present invention is conducted further description.
Thin slice base cake preparation method involved in the present invention is the production technology that adopts blanking → base cake preform → base cake secondary blanking of base cake, its made thin slice base cake (Fig. 4) is that mid portion is thicker, the dish-shaped shape base cake that marginal portion is thinner, it is different from the thin slice base cake preparation method of an existing blanking and the thin slice base cake of its made uniform thickness, this kind of method is by adopting surface to make the piece pre-forming die of concave surface butterfly shape, base cake after a blanking is carried out to preform impression, because metal in moulding process can produce plastic deformation, the metal of base cake limit portion flows and fills to centre, so just form certain metal stack accumulated amount in the centre of thin slice base cake, be conducive to the impression of two-sided burr sheet product.
Thin slice printing die involved in the present invention is the internal or female screw mould that adopts different figure lines, the surface grinding effect of mould is the same with traditional commemorative coin (chapter) mould, baseplane adopts the treatment effect of minute surface, surface pattern adopts the treatment effect of sandblast, the main figure line of mould is placed in the middle, can there be some simple X-Y scheme lines in limit portion, the figure line height in centre is with reference to the figure line height of same specification mould, by 1/2 left and right of station diagram line height centered by the figure line height of near part, it is different from existing thin slice printing die and adopts identical negative and positive line mould.
Be the sheet metal souvenir badge of two-sided burr relief type by the produced product of the present invention, its be different from existing just, the back side is all the thin slice souvenir badge of identical asperities.
A preparation method for sided embossed leaf metal souvenir badge, is characterized in that: described preparation method comprises the steps: a, to being rolling to certain thickness metal strip, carries out base cake 1 blanking; B, base cake 1 is annealed; The optical mode 3 that c, processing and fabricating preform are used; D, base cake 1 is carried out to preform impression; E, base cake 1 is carried out to secondary blanking; F, the base cake after secondary blanking is annealed; G, the base cake after secondary blanking is cleaned to light decorations; H, make required printing die and mould circle; I, employing coinage special equipment carry out at least 2 impressions and are shaped.
In a step, adopt milling train that the thickness of metal strip is rolled to 0.70mm～0.90mm, adopt punch press to carry out base cake 1 blanking, base cake 1 blanking diameter, according to the actual diameter of product, amplifies 20%～30%;
In b step, adopt the base cake 1 of chamber type electric resistance furnace after to a blanking to carry out annealing softening processing.Annealing temperature is 600 DEG C～630 DEG C, and annealing time is 10min～15min;
In c step, the optical mode 3 that processing and fabricating preform is used, concave surface butterfly shape (Fig. 2) is made on the surface of one of them preform optical mode, the radian of butterfly is 0.30mm-0.50mm, and carve locating slot 2 on surface, the diameter of locating slot 2 is than product reduced 0.08mm～0.10mm, the width of locating slot 2 is 0.30mm～0.50mm, the height of locating slot 2 is 0.05mm～0.20mm, planar base surface is made on the surface of another one preform optical mode, and the diameter of preform optical mode 3 is identical with base cake 1 diameter after a blanking;
In d step, adopt the base cake 1 of hydraulic press after to a blanking to carry out preform impression, impression tonnage is 30T～60T, and impressing number of times is 1～2 time;
In e step, adopt the base cake after punch press impresses preform, along locating slot 2, carry out secondary blanking;
In f step, adopt the base cake of chamber type electric resistance furnace after to secondary blanking to carry out annealing softening processing.Annealing temperature is 600 DEG C～630 DEG C, and annealing time is 10min～15min;
In g step, base cake after adopting vertical light polishing machine to secondary blanking cleans light decorations, before cleaning, base cake is unified slight curving towards the one side of planar base surface, cleansing medium is the stainless shot that φ 2mm and φ 4mm mix, cleaning fluid is tumbling powder, the mixed solution of washing agent and deionized water, wherein tumbling powder is commercially available prod, by Nanjing, Tong Cheng Science and Technology Ltd. produces, model is NS-100, the ratio of its addition and deionized water is 1: 40～1: 60, washing agent is liquid detergent, the ratio of its addition and deionized water is 1: 50～1: 70, the additional proportion of tumbling powder and washing agent is 1: 0.5～1: 1, scavenging period is 5min～10min,
In h step, processing and fabricating has the internal or female screw mould of different figure lines, and the baseplane of mould is made into minute surface, just, the figure line layout of back of the body mould is placed in the middle, just, the back of the body mould figure line height≤0.50mm, mould circle is made light centre circle, the clearance control between mould circle and mould is at 0.08mm～0.10mm; The surface grinding effect of mould is the same with traditional commemorative coin (chapter) mould, the treatment effect of mould, and surface pattern adopts the treatment effect of sandblast, and the treatment effect that makes minute surface and sandblast about ground tackle belongs to prior art, is not described specifically at this;
In i step, adopt coinage special equipment to carry out thin slice souvenir badge finished product impression, impression tonnage is set in 90T～150T, and impression number of times is 2～4 times.
Embodiment 1
Preparation process and the step of the ultrathin golden chapter of φ 32mm (single piece of weight of product is 7.776 grams) are as follows:
(1) adopt milling train that the thickness of gold bar sheet is rolled to 0.90mm, adopt punch press to carry out base cake blanking, base cake blanking diameter is 40mm;
(2) adopt the golden base cake of chamber type electric resistance furnace after to a blanking to carry out annealing softening processing.Annealing temperature is 610 DEG C, and annealing time is 10min;
(3) optical mode that processing and fabricating preform is used, concave surface butterfly shape is made on the surface of one of them preform optical mode, the radian of butterfly is 0.40mm, and carve locating slot on surface, the diameter of locating slot is 39.90mm, and the width of locating slot is 0.50mm, and the height of locating slot is 0.10mm, planar base surface is made on the surface of another one preform optical mode, and the diameter of preform optical mode is 40mm;
(4) adopt the base cake of hydraulic press after to a blanking to carry out preform impression.Impression tonnage is 45T, and impression number of times is 1 time;
(5) adopt the base cake after punch press impresses preform, along locating slot, carry out secondary blanking, the base cake diameter after blanking is 31.90mm;
(6) adopt the base cake of chamber type electric resistance furnace after to secondary blanking to carry out annealing softening processing.Annealing temperature is 630 DEG C, and annealing time is 15min;
(7) the base cake after adopting vertical light polishing machine to secondary blanking cleans light decorations, before cleaning, base cake is unified slight curving towards the one side of planar base surface, cleansing medium is the stainless shot that φ 2mm and φ 4mm mix, cleaning fluid is tumbling powder, the mixed solution of washing agent and deionized water, wherein tumbling powder is commercially available prod, by Nanjing, Tong Cheng Science and Technology Ltd. produces, model is NS-100, the ratio of its addition and deionized water is 1: 45, washing agent is liquid detergent, the ratio of its addition and deionized water is about 1: 60, the additional proportion of tumbling powder and washing agent is 1: 0.75, scavenging period is 6min,
(8) required printing die and the mould circle of processing and fabricating, die surface has different internal or female screw figure lines, the surface grinding effect of mould is the same with traditional commemorative coin (chapter) mould, the baseplane of mould is made into the treatment effect of minute surface, surface pattern adopts the treatment effect of sandblast, just, the figure line layout of back of the body mould is placed in the middle, and just, the figure line height of back of the body mould is 0.50mm, mould circle is made light centre circle, and the clearance control between mould circle and mould is at 0.10mm; The treatment effect that makes minute surface and sandblast about ground tackle belongs to prior art, is not described specifically at this;
(9) adopt coinage special equipment to carry out thin slice souvenir badge finished product impression, impression tonnage is set in 140T, and impression number of times is 3 times.
Claims (7)
1. a preparation method for sided embossed leaf metal souvenir badge, is characterized in that: described preparation method comprises the steps: a, to being rolling to certain thickness metal strip, carries out base cake blanking; B, base cake is annealed; The optical mode that c, processing and fabricating preform are used; D, base cake is carried out to preform impression; E, base cake is carried out to secondary blanking; F, the base cake after secondary blanking is annealed; G, the base cake after secondary blanking is cleaned to light decorations; H, make required printing die and mould circle; I, employing coinage special equipment carry out multi-impression shaping, in e step, adopt the base cake after punch press impresses preform, along locating slot, carry out secondary blanking.
2. the preparation method of a kind of sided embossed leaf metal souvenir badge as claimed in claim 1, it is characterized in that: in a step, adopt milling train that the thickness of metal strip is rolled to 0.70mm～0.90mm, adopt punch press to carry out base cake blanking, base cake blanking diameter, according to the actual diameter of product, amplifies 20%～30%.
3. the preparation method of a kind of sided embossed leaf metal souvenir badge as claimed in claim 1, is characterized in that: in b step, adopt the base cake of chamber type electric resistance furnace after to a blanking to carry out annealing softening processing; Annealing temperature is 600 DEG C～630 DEG C, and annealing time is 10min～15min.
4. the preparation method of a kind of sided embossed leaf metal souvenir badge as claimed in claim 1, is characterized in that: in d step, adopt the base cake of hydraulic press after to a blanking to carry out preform impression; Impression tonnage is 30T～60T, and impression number of times is 1～2 time.
5. the preparation method of a kind of sided embossed leaf metal souvenir badge as claimed in claim 1, is characterized in that: in f step, adopt the base cake of chamber type electric resistance furnace after to secondary blanking to carry out annealing softening processing; Annealing temperature is 600 DEG C～630 DEG C, and annealing time is 10min～15min.
6. the preparation method of a kind of sided embossed leaf metal souvenir badge as claimed in claim 1, it is characterized in that: in h step, processing and fabricating has the internal or female screw mould of different figure lines, the baseplane of mould is made into minute surface, just, the figure line layout of back of the body mould is placed in the middle, just, the back of the body mould figure line height≤0.50mm, mould circle is made light centre circle, the clearance control between mould circle and mould is at 0.08mm～0.10mm.
7. the preparation method of a kind of sided embossed leaf metal souvenir badge as claimed in claim 1, it is characterized in that: in i step, adopt coinage special equipment to carry out thin slice souvenir badge finished product impression, impression tonnage is set in 90T～150T, and impression number of times is 2～4 times.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910200952.7A CN102106631B (en) | 2009-12-25 | 2009-12-25 | Preparation method of for -sided embossed leaf metal souvenir badge |
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| CN200910200952.7A CN102106631B (en) | 2009-12-25 | 2009-12-25 | Preparation method of for -sided embossed leaf metal souvenir badge |
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| CN102106631A CN102106631A (en) | 2011-06-29 |
| CN102106631B true CN102106631B (en) | 2014-08-13 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102294930A (en) * | 2011-07-26 | 2011-12-28 | 深圳市金宝盈珠宝首饰有限公司 | Manufacturing method of embossed metal craft |
| CN103935173B (en) * | 2014-03-26 | 2018-02-13 | 深圳市崇宁实业有限公司 | The processing method of two-sided microscopic carvings gold thin slice ornaments |
| CN105014309B (en) * | 2014-04-30 | 2017-07-18 | 深圳市鑫韵珠宝有限公司 | A kind of two-sided cold-press process of thin slice noble metal |
| KR101599750B1 (en) * | 2015-09-17 | 2016-03-04 | 최지향 | The manufacturing method of uncirculated a precious metal |
| CN108480926B (en) * | 2018-03-28 | 2019-06-21 | 深圳市帕玛精品制造有限公司 | Gold coin manufacturing process, gold coin and clock and watch |
| CN111203481A (en) * | 2020-03-03 | 2020-05-29 | 台州市皓仔邦工业设计有限公司 | Antique silver printing mold capable of being demolded outside machine |
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| CN1030260A (en) * | 1988-06-30 | 1989-01-11 | 淄博日用品总厂 | The method for annealing of a kind of aluminium or copper sheet and equipment |
| CN1340421A (en) * | 2000-08-29 | 2002-03-20 | 沈阳造币厂 | Gold coin with single-surface inlay silverring and its making method |
| CN1374204A (en) * | 2001-03-09 | 2002-10-16 | 沈阳造币厂 | Large gold coin with high figure relief and its mold making process |
| CN1935447A (en) * | 2005-09-22 | 2007-03-28 | 中国印钞造币总公司 | Method for making large-dimension holed memorial coin (medal) and die thereof |
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|---|---|---|---|---|
| TW290592B (en) * | 1993-07-08 | 1996-11-11 | Asahi Seiko Co Ltd |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1030260A (en) * | 1988-06-30 | 1989-01-11 | 淄博日用品总厂 | The method for annealing of a kind of aluminium or copper sheet and equipment |
| CN1340421A (en) * | 2000-08-29 | 2002-03-20 | 沈阳造币厂 | Gold coin with single-surface inlay silverring and its making method |
| CN1374204A (en) * | 2001-03-09 | 2002-10-16 | 沈阳造币厂 | Large gold coin with high figure relief and its mold making process |
| CN1935447A (en) * | 2005-09-22 | 2007-03-28 | 中国印钞造币总公司 | Method for making large-dimension holed memorial coin (medal) and die thereof |
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Address after: 200061 No. 17 Guangfu West Road, Shanghai, Putuo District Patentee after: SHANGHAI MINT Co.,Ltd. Patentee after: China Banknote Printing and Minting Group Co.,Ltd. Address before: 200061 No. 17 Guangfu West Road, Shanghai, Putuo District Patentee before: SHANGHAI MINT Co.,Ltd. Patentee before: CHINA BANKNOTE PRINTING AND MINTING Corp. |
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