CN104499009B - Manufacturing method for hollow watchcase or ornament - Google Patents
Manufacturing method for hollow watchcase or ornament Download PDFInfo
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- CN104499009B CN104499009B CN201410811851.4A CN201410811851A CN104499009B CN 104499009 B CN104499009 B CN 104499009B CN 201410811851 A CN201410811851 A CN 201410811851A CN 104499009 B CN104499009 B CN 104499009B
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Abstract
The invention relates to a manufacturing method for a hollow watchcase or an ornament, and relates to the manufacturing method for the hollow watchcase or ornament. The manufacturing method for the hollow watchcase or ornament comprises the following steps: A, adopting metal or metal alloy which can generate chemical reaction with hydrochloric acid or nitric acid or sulfuric acid to manufacture a mould base; B, electrically casting a deposition layer on the mould base through an electro-casting process; C, drilling at least one relief hole in the mould base subjected to electro-casting; D, putting the dilled mould base into hydrochloric acid or nitric acid or sulfuric acid, enabling the mould base to react with the hydrochloric acid or nitric acid or sulfuric acid and completely dissolving the mould base in hydrochloric acid or nitric acid or sulfuric acid; and E, after the mould base is dissolved, cleaning the electro-casting deposition layer with water. According to the manufacturing method disclosed by the invention, the size precision of the hollow parts is good, the appearance surface can achieve the needed smoothness, and the mould base processing cost is greatly lowered.
Description
Technical field
The present invention relates to the manufacture method of wristwatch case and ornaments.
Background technology
The 24k gold wrist-watch occurring in the market, watchcase is gold but solid, hardness is not high but golden weight relatively
Weight, is with traditional reverse mould technique productions, part hollow gold gadget on market, its mold base part is with wax-pattern or low melting point
Bismuth tin alloy does depanning kind, is manufactured by electroforming.This way can meet general gadget and produce, but cannot meet size essence
Degree requires higher part to produce, such as wristwatch case or other have the higher gadget of matching requirements, its surface is also relatively rougher
And high processing costs.
Content of the invention
It is an object of the invention to provide a kind of manufacture method making the good hollow watchcase of precision or gadget.
The present invention is to reach the technical scheme that above-mentioned purpose adopted to be: the making side of a kind of hollow watchcase or gadget
Method, including step:
A, employing can make mould kind with the metal or metal alloy of hydrochloric acid or nitric acid or sulphuric acid chemically reactive, and mould kind adopts
Die casting or get rid of mould and carry out mach mode making, the Vickers hardness of mould kind is between 120～170；
B, adopt electroforming process electroformed deposit layer in mould kind, the thickness of electroformed deposit layer is 170 microns～5 millimeters, electricity
The metal material that casting sedimentary is adopted is one of nickel, copper, gold, platinum, silver, nickel cobalt (alloy)；
C, in the mould kind that electroforming finishes, bore at least one relief hole；
D, the mould kind of boring is put in hydrochloric acid or nitric acid or sulphuric acid, make mould kind and hydrochloric acid or nitric acid or sulphuric acid production biochemical
React and be dissolved completely in hydrochloric acid or nitric acid or sulphuric acid；
E, mould kind dissolving finish after, clean electroformed deposit layer with water.
Further, when electroformed deposit layer is using gold or platinum or silver, one layer of copper is electroplated before carrying out step b on mould kind；
First with using sulfuric acid dissolution after dissolving with hydrochloric acid again in step d.
Further, it is more than or equal to 110 in step a.
Further, in step d, hydrochloric acid or nitric acid or sulphuric acid are heated to boiling point.
The invention enables hollow part dimensional accuracy is good, appearance surfaces also can reach desired fineness and mold base is processed into
Originally it is greatly reduced.
Brief description
Fig. 1 is the flow chart of present pre-ferred embodiments；
Fig. 2 is the schematic diagram of one of the workpiece of present pre-ferred embodiments.
Specific embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
As depicted in figs. 1 and 2, the manufacture method of a kind of hollow watchcase or gadget, including step:
A, employing can make mould kind with the metal or metal alloy of hydrochloric acid or nitric acid or sulphuric acid chemically reactive；
B, adopt electroforming process electroformed deposit layer in mould kind；
C, in the mould kind that electroforming finishes, bore at least one relief hole；
D, the mould kind of boring is put in hydrochloric acid or nitric acid or sulphuric acid, make mould kind and hydrochloric acid or nitric acid or sulphuric acid production biochemical
React and be dissolved completely in hydrochloric acid or nitric acid or sulphuric acid；
E, mould kind dissolving finish after, clean electroformed deposit layer with water.
Can there is multiple, such as kirsite with the metal or metal alloy of hydrochloric acid or nitric acid or sulphuric acid chemically reactive, stannum bismuth closes
Gold, copper etc..
The concentration of hydrochloric acid or nitric acid or sulphuric acid and dissolution velocity, concentration height is completely dissolved speed soon, and concentration is low to be completely dissolved
The time being spent is just long.It is preferably concentrated hydrochloric acid, concentrated nitric acid, concentrated sulphuric acid.
Relief hole is arranged on the place not affecting workpiece performance, such as in the side of watchcase receiving space, the not conspicuous place of gadget.
Electroforming process has been described in the document of existing electrochemical treatments, here just not repeated description.Electroformed deposit
The metal material that layer is adopted is one of nickel, copper, gold, platinum, silver, nickel cobalt (alloy).But in actual applications usually adopt gold,
The precious metals such as silver.
When electroformed deposit layer is using gold or platinum or silver, one layer of copper is electroplated before carrying out step b on mould kind, thickness is 0.03
～0.08 millimeter；First with using sulfuric acid dissolution after dissolving with hydrochloric acid again in step d.
The Vickers hardness of step a middle mold kind is between 120～170.Step a middle mold kind using die casting or is got rid of mould and is carried out machine
The mode of processing makes.Using die casting or get rid of mould, mould kind can be made to have certain hardness, have certain hardness could preferably enter
Row essence machining, and can guarantee that the precision of processing；To ensure to produce the workpiece of high precision after electroforming.
The thickness of electroformed deposit layer is 170 microns～5 millimeters, to ensure the intensity of workpiece, so that watchcase is reached certain
Waterproof degree, ornaments can resist a certain degree of extruding or collide.
In step d, hydrochloric acid or nitric acid or sulphuric acid are heated to boiling point, the acid of heating increases the speed of its dissolving metal.
In embodiment, the workpiece made by die casting or by way of getting rid of mould as basic material with kirsite as mould kind,
Again scaled fine processing is carried out so as to important fitted position and surface roughness reach requirement according to the size of workpiece to mould kind,
Also ensure that being greatly reduced of early stage processing cost simultaneously.Mould kind carry out after again to mould kind electro-coppering, using copper and golden physical property
The close characteristic of matter is so that gold is preferably attached to above mould kind by electroforming.The kirsite of the inside and copper need to be removed, plating
After good copper and noble metal, workpiece is holed, by adding hydrochloric acid and being heated to boiling point and carry out chemical reaction, kirsite all with
Produce zinc chloride liquid after hydrochloric acid reaction to flow out from workpiece lumen, part copper generates copper chloride in workpiece also by chemical reaction
Chamber is flowed out；Pass through clean water again；Then pass through again to add sulphuric acid and be heated to boiling point to make workpiece lumen extraneous copper carry out chemistry
Reaction, copper electrodeposited coating flows out from workpiece lumen after reacting completely, and having obtained is entirely the workpiece of hard thousand pure golds；Taken out by clear water again
Vacuum cleaned, makes hard pure gold (gold content is more than 99.92%) workpiece lumen not contain acid and be in neutral state.Afterwards can be by discharge
Hole is closed, and workpiece carries out polish and obtains finished product.
As shown in Fig. 2, including mould kind 1, copper electrodeposited coating 2 and watch case of noble metal layer 3 taking watchcase as a example, described mould kind 1 material
Expect for kirsite, described mould kind is first obtained by die casting；Described copper electrodeposited coating 2 is to electroplate certain thickness copper (copper thickness in mould kind 1
Degree is generally 0.05 millimeter) obtained by；Described watch case of noble metal 3 is the certain thickness noble metal of electroforming on copper electrodeposited coating
Obtained, in this example, noble metal is hard thousand pure golds, and thickness is 170 microns～500 microns；Described relief hole 4 (diameter 0.8 milli
About rice) it is the hole bored after having electroplated copper and noble metal；The kirsite of described composition mould kind 1 and copper electrodeposited coating 2 pass through to add
Enter hydrochloric acid and be heated to boiling point and carry out chemical reaction and melt, kirsite is dissolved completely in hydrochloric acid, and pass through described relief hole 4
Discharge, then pass through clean water, in the watchcase after cleaning, also contain copper electrodeposited coating, add sulphuric acid and be heated to boiling point
Learn reaction, copper is dissolved completely in sulphuric acid, discharges by relief hole 4, finally gives described watch case of noble metal 3.
In the present embodiment, described watch case of noble metal 3 is no reinforced pipe hollow structure.
In the present embodiment, described mould kind 1 and copper electroformed layer 2 be by hydrochloric acid be heated to boiling point carry out chemical reaction so as to
React into liquid, discharged by described relief hole 4.At this moment watchcase inwall there remains copper electrodeposited coating.
First use clean water watchcase 3, add sulphuric acid and be heated to boiling point and carry out chemical reaction, finally copper reacting melt is become
Liquid, discharges from relief hole 4.
Embodiment two: the present embodiment structure is substantially identical with embodiment one, difference is that described watchcase 3 contains reinforced pipe；Institute
State relief hole 4 to be opened on reinforcement tube side wall.
Embodiment three: use kirsite, sn-bi alloy, copper is that the gold ornament processing technology of embryo material is equal to embodiment one.
The foregoing is only embodiment in terms of wristwatch case for the present invention, the method can be additionally used in other ornaments processing
Manufacture, for example pendant, bracelet, bangle, ring etc., all changes done according to scope of the present invention patent and modification, all should
Belong to the covering scope of the present invention.
Claims (2)
1. the manufacture method of a kind of hollow watchcase or gadget is it is characterised in that include step:
A, employing can make mould kind with the metal or metal alloy of hydrochloric acid or nitric acid or sulphuric acid chemically reactive, and mould kind adopt die casting
Or get rid of mould and carry out mach mode making, the Vickers hardness of mould kind is between 120～170；
B, adopt electroforming process electroformed deposit layer in mould kind, the thickness of electroformed deposit layer is 170 microns～5 millimeters, and electroforming is sunk
The metal material that lamination is adopted is one of nickel, copper, gold, platinum, silver, nickel cobalt (alloy)；
C, in the mould kind that electroforming finishes, bore at least one relief hole；
D, the mould kind of boring is put in hydrochloric acid or nitric acid or sulphuric acid, hydrochloric acid or nitric acid or sulphuric acid are heated to boiling point, make mould kind with
Hydrochloric acid or nitric acid or sulphuric acid production is biochemical reacts and be dissolved completely in hydrochloric acid or nitric acid or sulphuric acid；
E, mould kind dissolving finish after, clean electroformed deposit layer with water.
2. hollow watchcase according to claim 1 or gadget manufacture method it is characterised in that: electroformed deposit layer using gold
Or when platinum or silver, one layer of copper is electroplated before carrying out step b on mould kind；First with using sulfuric acid dissolution after dissolving with hydrochloric acid again in step d.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410811851.4A CN104499009B (en) | 2014-12-23 | 2014-12-23 | Manufacturing method for hollow watchcase or ornament |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410811851.4A CN104499009B (en) | 2014-12-23 | 2014-12-23 | Manufacturing method for hollow watchcase or ornament |
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| CN104499009A CN104499009A (en) | 2015-04-08 |
| CN104499009B true CN104499009B (en) | 2017-01-25 |
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Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104593831A (en) * | 2015-01-26 | 2015-05-06 | 黄盛平 | Method for producing watch by virtue of 3D noble metal technique |
| CN104532303A (en) * | 2015-01-30 | 2015-04-22 | 深圳市凡逅珠宝首饰有限公司 | Manufacturing method of hollow watch case or ornament |
| CN109043748A (en) * | 2018-06-05 | 2018-12-21 | 深圳市聚鑫隆黄金珠宝有限公司 | Colorful bracelet and preparation method thereof |
| CN108893759A (en) * | 2018-06-29 | 2018-11-27 | 福州珂麦表业有限公司 | A kind of hollow golden watch shell manufacture craft |
| CN108941506B (en) * | 2018-06-29 | 2020-10-30 | 福州珂麦表业有限公司 | Manufacturing process of precious metal solid watch case |
| CN109056000A (en) * | 2018-06-29 | 2018-12-21 | 福州珂麦表业有限公司 | A kind of golden watch shell electroforming solution and its electroforming process |
| CN109137000A (en) * | 2018-07-27 | 2019-01-04 | 福州珂麦表业有限公司 | A kind of diamond setting golden watch shell manufacture craft |
| CN109112579B (en) * | 2018-07-27 | 2020-08-04 | 福州珂麦表业有限公司 | Manufacturing process of diamond-inlaid and engraved wreath |
| CN108907621A (en) * | 2018-07-27 | 2018-11-30 | 福州珂麦表业有限公司 | A kind of gold ebuche manufacture craft |
| CN109097798B (en) * | 2018-08-20 | 2022-04-15 | 福州珂麦表业有限公司 | Manufacturing process of belt particles of hollow hard gold watch watchband |
| CN109161935B (en) * | 2018-08-20 | 2020-05-26 | 福州珂麦表业有限公司 | Manufacturing process of one-step molding hollow hard gold watchcase |
| CN110629256A (en) * | 2019-06-14 | 2019-12-31 | 深圳市元福珠宝首饰有限公司 | Method for making watch case |
| CN110142574A (en) * | 2019-06-14 | 2019-08-20 | 深圳市元福珠宝首饰有限公司 | The production method of watchband |
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| CN1137576A (en) * | 1995-02-14 | 1996-12-11 | 安井贸易株式会社 | Method of producing hollow electoformed product of precious metal |
| CN101880899A (en) * | 2010-07-12 | 2010-11-10 | 中山市琪朗灯饰厂有限公司 | Lamp decoration accessory and electroforming deposition method for manufacturing lamp decoration accessory |
| CN102995070A (en) * | 2012-10-19 | 2013-03-27 | 王洪娟 | Electroforming processing technology of mobile phone surface |
| EP2752261A2 (en) * | 2012-10-16 | 2014-07-09 | Cartier Création Studio S.A. | Process for producing watch parts |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104499008B (en) * | 2014-12-15 | 2017-02-01 | 福州小神龙表业技术研发有限公司 | Process for producing case or accessories of precious metal wristwatch |
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2014
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1137576A (en) * | 1995-02-14 | 1996-12-11 | 安井贸易株式会社 | Method of producing hollow electoformed product of precious metal |
| CN101880899A (en) * | 2010-07-12 | 2010-11-10 | 中山市琪朗灯饰厂有限公司 | Lamp decoration accessory and electroforming deposition method for manufacturing lamp decoration accessory |
| EP2752261A2 (en) * | 2012-10-16 | 2014-07-09 | Cartier Création Studio S.A. | Process for producing watch parts |
| CN102995070A (en) * | 2012-10-19 | 2013-03-27 | 王洪娟 | Electroforming processing technology of mobile phone surface |
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Address after: 518019 Guangdong city of Shenzhen province Tian Bei Road four Po Lam Hotel 29 floor Applicant after: Shenzhen Jin Wang technology for gold development corporation, Ltd. Applicant after: Yuan Qingjun Applicant after: Huang Shengping Address before: 518019 Guangdong city of Shenzhen Province bamboo Street Wenjin road Peng 28 storey building area B Applicant before: SHENZHEN FANHOU JEWELRY CO., LTD. Applicant before: Yuan Qingjun Applicant before: Huang Shengping |
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Free format text: CORRECT: APPLICANT; FROM: SHENZHEN FANHOU JEWELRY CO., LTD. TO: SHENZHEN JINWANGJIN TECHNOLOGY DEVELOPMENT CO., LTD. |
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Effective date of registration: 20190419 Address after: 518000 Factory 405, No. 1, Jinhu Industrial Park, No. 9 Xiufeng Road, Gankeng Village, Buji Street, Longgang District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Yuanfu Jewelry Co., Ltd. Address before: 518019 Baolin Hotel, Tianbei 4th Road, Shenzhen City, Guangdong Province, 29th Floor Co-patentee before: Yuan Qingjun Patentee before: Shenzhen Jin Wang technology for gold development corporation, Ltd. Co-patentee before: Huang Shengping |
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Effective date of registration: 20201231 Address after: 518000 Room 301, building 1, No.1-2, gankengtong Fuyu Industrial Zone, gankeng community, Jihua street, Longgang District, Shenzhen City, Guangdong Province Patentee after: Shenzhen runfujin Technology Development Co.,Ltd. Address before: 518000 Factory 405, No. 1, Jinhu Industrial Park, No. 9 Xiufeng Road, Gankeng Village, Buji Street, Longgang District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Yuanfu Jewelry Co.,Ltd. |