CN101696511B - Manufacturing method of mould cavity - Google Patents
Manufacturing method of mould cavity Download PDFInfo
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- CN101696511B CN101696511B CN2009101845112A CN200910184511A CN101696511B CN 101696511 B CN101696511 B CN 101696511B CN 2009101845112 A CN2009101845112 A CN 2009101845112A CN 200910184511 A CN200910184511 A CN 200910184511A CN 101696511 B CN101696511 B CN 101696511B
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- electroforming
- mold cavity
- manufacture method
- cavity according
- foundry goods
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- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses a manufacturing method of a mould cavity, comprising the following steps of firstly, manufacturing a part to be cast by a photocuring rapid prototyping technique; establishing electroforming processing equipment and an electroforming liquid system; and manufacturing the mould cavity by utilizing an electroforming technique. The invention reduces the cost of manufactured tools and improves the efficiency without purchasing an expensive numerical control processing center or various cutting machine tools, or manufacturing technological devices such as cutters, clamps, measurers, and the like, or performing procedure processing such as shaping, milling, cutting, grinding, gripping, and the like.
Description
Technical field
The present invention relates to mould manufacturing field, particularly utilize photocureable rapid shaping technology and galvanoplastics to combine the method for mfg. moulding die die cavity.
Background technology
In the current manufacturing industry, mould (comprising stamping die, plastics mould, forging die, mold, metal crimp mold, powder metallurgy mould etc.) is to guarantee the indispensable part of product manufacturing as important technological equipment.Along with the manufacturing fast development of China, the modern mould of high accuracy, modern mould of high life have become first-selection.Simultaneously, along with the variation of social demand and the extensive use of personalized and many new materials, new technology, requirement to the version of modern mould and die cavity is also complicated day by day, if adopt traditional mould manufacturing method, not only cost height, productivity ratio are low, and are difficult to guarantee the quality requirement of mould, therefore, the manufacturing technology of traditional moulds can not satisfy the requirement of market to mould.So fast, flexibly and produce low-cost, high life, the mould that meets instructions for use becomes the problem that mold manufacturing industry presses for solution.
Summary of the invention
At above-mentioned the deficiencies in the prior art, the invention provides a kind of method for fast mfg of mold cavity, this method need not to purchase expensive numerical control machining center and various stock-removing machine, need not to make various process equipments such as cutter, folder, measurer, need not car, mill, grind, clamp and operation to process, enough guarantee the machining accuracy of complex-shaped surface mould.
For achieving the above object, the present invention adopts following technical scheme:
The manufacture method of mold cavity is characterized in that, comprises the steps:
1) foundry goods is treated in making:
A, utilize graphics software to realize the three-dimensionalreconstruction of part;
B, convert the STL formatted file to, generate the formatted file of light-curing rapid forming equipment acquiescence, be input in the light-curing rapid forming equipment through Rpdata software hierarchy slicing treatment with the solid data of above-mentioned three-dimensionalreconstruction;
C, light-curing rapid forming equipment receive the instruction of input, produce the colophony prototype of required part;
D, with above-mentioned colophony prototype conduction processing;
E, the colophony prototype after will the conduction processing be through washing, behind degreasing, secondary water washing, acid-wash activation, three washings, the dipping mould release again the washing back as treating foundry goods;
2) set up the electroforming process equipment:
Described electroforming process equipment comprises: dc source, work box, master mold, tool box, workbench, agitator, explosion protection system, control system;
3) set up the electroforming solution system:
Described electroforming solution system comprises: electroforming solution, electroforming liquid bath, pump, filter; Described pump, filter and electroforming solution are in the electroforming liquid bath, and described pump is connected with filter;
4) make mold cavity
Treat foundry goods as negative electrode attached on the master mold, insert in the work box; Treat that the foundry goods negative electrode is connected with dc source with anode; Described agitator is installed in the inside of work box; Described electroforming solution is driven through filter by pump and to filter in the electroforming liquid bath, and the electroforming solution after the filtration flows in the work box anode, treat that the foundry goods negative electrode is immersed under the effect of control system carries out electroforming processing, makes required mold cavity; The H2 that produces in the electroforming process is got rid of by explosion protection system.
Described light-curing rapid forming equipment is selected for use: lasing light emitter is the solid state laser of 230～355nm wavelength;
Described light-curing rapid forming equipment adopts following control parameter:
Fill sweep speed: Vs
1=5000mm/s;
Profile scan speed: Vs
2=3000mm/s;
Sweep span: Gs=0.1mm;
Bed thickness: Lh=0.1mm;
Spot diameter: D
1=0.2mm;
Described graphics software is selected any in CAD, CAM, Pro/ENGINEER or the SolidWorks software for use;
At least a in chemical silver spray or the Tu Yiyin lacquer selected in described conduction processing for use;
Described electroforming solution is selected CuSO for use
45H
2O, H
2SO
4Compound electroforming solution with solid particle;
Described CuSO
45H
2The concentration of O is 70～250g/l, H
2SO
4Concentration be 50～200g/l;
Described solid particle is at least a in carborundum, the molybdenum bisuphide;
Described dipping mould release is selected potassium bichromate for use.
Beneficial effect of the present invention:
1, need not to purchase expensive numerical control machining center and various stock-removing machine;
2, need not to make technological equipments such as cutter, folder, amount;
3, need not car, mill, Bao, mill, the processing of operations such as pincers;
4, reduce the cost of fabrication tool, improved efficient;
Description of drawings
Fig. 1 is a process chart of the present invention;
Fig. 2 is an electroforming process flow chart of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail, but the present invention is not limited thereto embodiment.
1) foundry goods is treated in making:
A, utilize the CAD graphics software to realize the three-dimensionalreconstruction of part;
B, convert the STL formatted file to, generate the formatted file of light-curing rapid forming equipment acquiescence, be input in the light-curing rapid forming equipment through Rpdata software hierarchy slicing treatment with the solid data of above-mentioned three-dimensionalreconstruction;
Described STL formatted file is the applied normative document type of rapid prototyping system, for example common TXT file.
C, light-curing rapid forming equipment receive the instruction of input, produce the colophony prototype of required part;
D, above-mentioned colophony prototype is carried out chemical silver spray handle;
E, the colophony prototype water flushing after will the conduction processing, with get rid of spray silver handle in residual medicament and granulometric impurity; Cleaned colophony prototype is carried out ungrease treatment, to remove grease class spot attached to the surface; Carry out acid-wash activation after the secondary water washing, to keep working as colophony prototype as treating that foundry goods can better adsorb the metal ion in the electroforming solution; Again with after three washings of the colophony prototype behind degreasing and the acid-wash activation, make that as dipping mould release process resin prototype electroformed layer can separate smoothly with master mold after electroforming is finished with potassium bichromate, after above-mentioned steps finishes, washing obtains treating foundry goods once more, inserts rapidly in the electroforming solution of work box;
2) set up the electroforming process equipment:
Described electroforming process equipment comprises: dc source 7, master mold 5, tool box 10, workbench 14, agitator 9, explosion protection system 8, control system 11;
3) set up the electroforming solution system:
Described electroforming system comprises: electroforming solution 2, electroforming liquid bath 1, pump 3, filter 4;
Described pump 3, filter 4 and electroforming solution 2, device is in electroforming liquid bath 1, and described pump 3 is connected with filter 4;
Described electroforming solution is selected for use: the CuSO of 70g/l
45H
2O, the H of 150g/l
2SO
4Composite electroformed liquid with carborundum, titanium dioxide two aluminium, molybdenum bisuphide;
4) make mold cavity
Treat foundry goods 6 as negative electrode attached on the master mold 5, insert in the work box 10; Treat that foundry goods negative electrode 6 is connected with dc source 7 with anode 13; Described agitator 9 is installed in the inside of work box 10; Described electroforming solution 2 is driven through filters 4 by pump 3 and to filter in electroforming liquid bath 1, and the electroforming solution 2 after the filtration flows in the work box 10 anode 13, treat that foundry goods negative electrode 6 is immersed under the effect of control system 11 carries out electroforming processing, forms required mold cavity; The H that produces in the electroforming process
2Get rid of by explosion protection system 8;
Described light-curing rapid forming equipment is selected for use: lasing light emitter is the solid state laser of 255nm wavelength;
Described light-curing rapid forming equipment adopts following control parameter:
Fill sweep speed: Vs
1=5000mm/s;
Profile scan speed: Vs
2=3000mm/s;
Sweep span: Gs=0.1mm;
Bed thickness: Lh=0.1mm;
Spot diameter: D
1=0.2mm;
Claims (10)
1. the manufacture method of mold cavity is characterized in that, comprises the steps:
1) foundry goods is treated in making:
A, utilize graphics software to realize the three-dimensionalreconstruction of part;
B, convert the STL formatted file to, handle the formatted file that generates the light-curing rapid forming equipment acquiescence, be input in the light-curing rapid forming equipment through hierarchy slicing with the solid data of above-mentioned three-dimensionalreconstruction;
C, light-curing rapid forming equipment receive the instruction of input, produce the colophony prototype of required part;
D, with above-mentioned colophony prototype conduction processing;
E, the colophony prototype after will the conduction processing be through washing, behind degreasing, secondary water washing, acid-wash activation, three washings, the dipping mould release again the washing back as treating foundry goods;
2) set up the electroforming process equipment:
Described electroforming process equipment comprises: dc source, work box, master mold, tool box, workbench, agitator, explosion protection system, control system;
3) set up the electroforming solution system:
Described electroforming solution system comprises: electroforming solution, electroforming liquid bath, pump, filter; Described pump, filter and electroforming solution are in the electroforming liquid bath, and described pump is connected with filter;
4) make mold cavity:
Treat foundry goods as negative electrode attached on the master mold, insert in the work box; Treat that the foundry goods negative electrode is connected with dc source with anode; Described agitator is installed in the inside of work box; Described electroforming solution is driven through filter by pump and to filter in the electroforming liquid bath, and the electroforming solution after the filtration flows in the work box anode, treats that the foundry goods negative electrode soaks, and carries out electroforming processing under the effect of control system, forms required mold cavity; The H that produces in the electroforming process
2Get rid of by explosion protection system.
2. the manufacture method of mold cavity according to claim 1, it is characterized in that: described light-curing rapid forming equipment is selected for use: lasing light emitter is the solid state laser of 230～355nm wavelength.
3. the manufacture method of mold cavity according to claim 1 and 2, it is characterized in that: described light-curing rapid forming equipment adopts following control parameter:
Fill sweep speed: Vs
1=5000mm/s;
Profile scan speed: Vs
2=3000mm/s;
Sweep span: Gs=0.1mm;
Bed thickness: Lh=0.1mm;
Spot diameter: D
1=0.2mm.
4. the manufacture method of mold cavity according to claim 1, it is characterized in that: described graphics software is selected any in CAD, CAM, Pro/ENGINEER or the SolidWorks software for use.
5. the manufacture method of mold cavity according to claim 1 is characterized in that: described hierarchy slicing is handled and is selected Rpdata software for use.
6. the manufacture method of mold cavity according to claim 1 is characterized in that: at least a in chemical silver spray or the Tu Yiyin lacquer selected in described conduction processing for use.
7. the manufacture method of mold cavity according to claim 1, it is characterized in that: described electroforming solution is selected CuSO for use
45H
2O, H
2SO
4Compound electroforming solution with solid particle.
8. the manufacture method of mold cavity according to claim 7 is characterized in that: described solid particle is selected at least a in carborundum, the molybdenum bisuphide for use.
9. the manufacture method of mold cavity according to claim 7 is characterized in that: described CuSO
45H
2The concentration of O is 70～250g/l, H
2SO
4Concentration be 50～200g/l.
10. the manufacture method of mold cavity according to claim 1, it is characterized in that: described dipping mould release is selected potassium bichromate for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101845112A CN101696511B (en) | 2009-08-28 | 2009-08-28 | Manufacturing method of mould cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101845112A CN101696511B (en) | 2009-08-28 | 2009-08-28 | Manufacturing method of mould cavity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101696511A CN101696511A (en) | 2010-04-21 |
| CN101696511B true CN101696511B (en) | 2011-11-23 |
Family
ID=42141635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101845112A Expired - Fee Related CN101696511B (en) | 2009-08-28 | 2009-08-28 | Manufacturing method of mould cavity |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102424992B (en) * | 2011-12-07 | 2014-02-26 | 南京航空航天大学 | Rotor crack-proof chromium electroforming equipment and method |
| CN106404356B (en) * | 2016-10-31 | 2019-02-15 | 维沃移动通信有限公司 | A kind of acquisition methods of Fresnel Lenses lines |
| CN107557821B (en) * | 2017-08-31 | 2023-10-27 | 南通大学 | Preparation method and device of hollow three-dimensional metal microstructure |
| CN111575748A (en) * | 2020-05-07 | 2020-08-25 | 岭南师范学院 | Electroforming method based on 3D printing rapid molding |
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2009
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|---|---|
| CN101696511A (en) | 2010-04-21 |
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Free format text: FORMER OWNER: CHEN JINGANG LIU JIANG Owner name: CHANGZHOU CHENKAI RAPID MANUFACTURING TECHNOLOGY C Free format text: FORMER OWNER: LIU YANLU Effective date: 20110812 |
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Effective date of registration: 20110812 Address after: 213000 B-6 base, Changzhou creative base, 9 East Taihu Road, Changzhou hi tech Zone, Jiangsu Applicant after: Changzhou Chenkai Rapid Manufacturing Technology Co., Ltd. Address before: 213022 Jiangsu Province, Changzhou New District 40 Building No. 901 Park Huaide Applicant before: Liu Yanlu Co-applicant before: Chen Jingang Co-applicant before: Liu Jiang |
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