CN105082412A - Method for processing mold for soft part - Google Patents
Method for processing mold for soft part Download PDFInfo
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- CN105082412A CN105082412A CN201510572345.9A CN201510572345A CN105082412A CN 105082412 A CN105082412 A CN 105082412A CN 201510572345 A CN201510572345 A CN 201510572345A CN 105082412 A CN105082412 A CN 105082412A
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Abstract
The invention discloses a method for processing a mold for a soft part. The method comprises the steps of constructing a part model, namely a 3D structure model of the soft part; adjusting the part model, that is, determining the shrink rate of materials according to 3D printed materials and the 3D structure model, adjusting the 3D structure model according to the shrink rate, and generating pattern data on the surface of the 3D structure model; performing 3D printing, that is, printing a solid model, with patterns on the surface, of the soft part in a 3D printing mode according to the 3D structure model; performing electroplating on the outer surface of the solid model to form a metal shell; and grinding the mold, that is, washing and grinding the inner surface and the outer surface of the metal shell after the metal shell is taken down so as to obtain the mold, with patterns on the inner surface, for the soft part.
Description
Technical field
The present invention relates to field of machining, more particularly, relate to the die processing method of parts.
Background technology
Along with improving constantly of living standard, the pursuit for U.S. is more strong.Various industrial products, the requirement of the incrustation of such as automotive upholstery is also more and more higher.More product requirement forms decorative pattern on surface, such as dermatoglyph.And wish that the kind of dermatoglyph is more abundant and more true to nature.
Abundanter in order to obtain kind, leather pattern effect simultaneously also more true to nature, just needs the mould of better dermatoglyph part.For the part with dermatoglyph, adopting mould to carry out processing is the method commonly used the most.So the dermatoglyph quality on mould just determines the leather pattern effect on the part of final machine-shaping.At present for conventional the having of processing technology of dermatoglyph mould: chemical etching technology, Galvano dermatoglyph technique, laser engraving technique.Chemical etching technology is short for process time, but requires high to the skill of workman, and the dermatoglyph arrived of low quality.The dermatoglyph die quality that Galvano technique obtains is high, but technological process is complicated, and the process-cycle is long.Laser engraving dermatoglyph craft precision is high, and the cycle is short, but is not suitable for the processing of complex profile.Realize cost also higher simultaneously.
Summary of the invention
Along with the development of 3D printing technique, utilize 3D printing technique, the processing of the dermatoglyph mould of efficient, low cost can be realized.
According to one embodiment of the invention, propose a kind of die processing method of soft part, comprising:
Part model construction step, builds the 3D structural model of soft part;
Part model regulating step, the material printed according to 3D and described 3D structural model, determine the shrinkage factor of material, regulates according to shrinkage factor to described 3D structural model, and in the Surface Creation decorative pattern data of 3D structural model;
3D printing step, according to described 3D structural model, print the physical model of soft part with 3D printing type, physical model surface has decorative pattern;
Plating step, electroplates at the outer surface of described physical model, forms metal-back;
Mold polishing step, takes off metal-back, and clean the inner surface of metal-back and outer surface and polish, obtain the mould of described soft part, wherein the inner surface of this mould has decorative pattern.
In one embodiment, above-mentioned decorative pattern is dermatoglyph.
In one embodiment, physical model is the resin material model that 3D prints.
In one embodiment, resin material is PC/ABS, uses carrene to clean metal-back, to remove residual PC/ABS material.
In one embodiment, the material of plating is nickel, and metal-back is nickel shell.
The die processing method of soft part of the present invention in conjunction with 3D printing technique and electroplating technology, can efficiently, the mode of low cost meets the processing of the mould of various profile and various decorative pattern, obtains high-quality dermatoglyph.Die processing method of the present invention, except may be used for automobile industry, also can be generalized to the dermatoglyph part association areas such as furniture/household electrical appliances/handicraft/glass/commodity/printing/toy/aviation/passenger steamer.
Accompanying drawing explanation
The above and other feature of the present invention, character and advantage are by more obvious by what become below in conjunction with the description of drawings and Examples, and Reference numeral identical in the accompanying drawings represents identical feature all the time, wherein:
Fig. 1 discloses the flow chart of the die processing method of the soft part according to one embodiment of the invention.
Fig. 2 a-Fig. 2 c discloses the implementation process of the die processing method of the soft part according to one embodiment of the invention.
Detailed description of the invention
Shown in figure 1, the present invention proposes a kind of die processing method of soft part, comprises following step:
102. part model construction steps.The 3D structural model of soft part is built in part model construction step.Step 102 is normally realized by computer, carries out the structure of part model in the 3D print controlling software of computer.
104. part model regulating steps.In part model regulating step, the 3D structural model created in the material printed according to 3D and step 102 determines the shrinkage factor of material.According to this shrinkage factor, 3D structural model is regulated, to make to print by 3D the model forming this soft part smoothly in subsequent steps.Meanwhile, in the adjustment process of step 104, also in the Surface Creation decorative pattern data of 3D structural model, these decorative pattern data form decorative pattern by the surface of physical model in follow-up print procedure.In one embodiment, these decorative pattern data are dermatoglyph data.
106.3D printing step.In step 106, according to 3D structural model, print the physical model of soft part with 3D printing type, physical model surface has decorative pattern.In one embodiment, use resin material, such as PC/ABS carries out 3D printing, forms the physical model of resin material (PC/ABS).3D printing step adopts the 3D printing technique first had to realize.Fig. 2 a is the structural representation being printed the physical model formed by 3D.Show that there is decorative pattern 204 at physical model 202.
108. plating step.In step 108, electroplate at the outer surface of physical model, form metal-back.In one embodiment, the material of plating is nickel, and the metal-back therefore electroplating formation is nickel shell.Fig. 2 b is the structural representation carrying out electroplating on physical model.The surface of physical model 202 is electroplated, forms metal-back 206.Due to the existence of decorative pattern 204, the inner surface of metal-back can form the intermeshing decorative pattern 208 with decorative pattern 204.
110. Mold polishing steps.In step 110, take off metal-back, clean the inner surface of metal-back and outer surface and polish, obtain the mould of soft part, wherein the inner surface of this mould has decorative pattern.In one embodiment, use carrene to clean metal-back, to remove residual PC/ABS material, then sanding and polishing is carried out to the surface (comprising inner surface and outer surface) of metal-back, obtain a dapple metal-back of inner surface tool.This metal-back is exactly the mould being with dapple soft part.Fig. 2 c is the structural representation of taken off metal-back 206.In the embodiment shown in Fig. 2 c, have decorative pattern 208 at the inner surface of metal-back 206, this decorative pattern 208 is intermeshing with the decorative pattern 204 on physical model 202 surface.
3D printing technique and electroplating technology mainly combine by the present invention, and the combination of these two kinds of technology just in time can meet the processing technology of the dapple mould of surperficial tool.By the combination of 3D printing technique and electroplating technology, can efficiently, the mode of low cost meets the processing of the mould of various profile and various decorative pattern, obtains high-quality dermatoglyph.
Above-described embodiment is available to be familiar with person in the art to realize or to use of the present invention; those skilled in the art can be without departing from the present invention in the case of the inventive idea; various modifications or change are made to above-described embodiment; thus protection scope of the present invention not limit by above-described embodiment, and should be the maximum magnitude meeting the inventive features that claims are mentioned.
Claims (5)
1. a die processing method for soft part, is characterized in that, comprising:
Part model construction step, builds the 3D structural model of soft part;
Part model regulating step, the material printed according to 3D and described 3D structural model, determine the shrinkage factor of material, regulates according to shrinkage factor to described 3D structural model, and in the Surface Creation decorative pattern data of 3D structural model;
3D printing step, according to described 3D structural model, prints the physical model of soft part with 3D printing type, described physical model surface has decorative pattern;
Plating step, electroplates at the outer surface of described physical model, forms metal-back;
Mold polishing step, takes off metal-back, and clean the inner surface of metal-back and outer surface and polish, obtain the mould of described soft part, wherein the inner surface of this mould has decorative pattern.
2. the die processing method of soft part as claimed in claim 1, is characterized in that,
Described decorative pattern is dermatoglyph.
3. the die processing method of soft part as claimed in claim 1, is characterized in that,
Described physical model is the resin material model that 3D prints.
4. the die processing method of soft part as claimed in claim 3, is characterized in that,
Described resin material is PC/ABS;
Carrene is used to clean metal-back, to remove residual PC/ABS material.
5. the die processing method of soft part as claimed in claim 1, is characterized in that,
The material of plating is nickel, and described metal-back is nickel shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510572345.9A CN105082412A (en) | 2015-09-10 | 2015-09-10 | Method for processing mold for soft part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510572345.9A CN105082412A (en) | 2015-09-10 | 2015-09-10 | Method for processing mold for soft part |
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| CN105082412A true CN105082412A (en) | 2015-11-25 |
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| CN201510572345.9A Pending CN105082412A (en) | 2015-09-10 | 2015-09-10 | Method for processing mold for soft part |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105499562A (en) * | 2015-12-17 | 2016-04-20 | 东莞裕元模具有限公司 | Method for rapidly manufacturing mold through 3D printing materials |
| CN111417506A (en) * | 2018-01-31 | 2020-07-14 | 惠普发展公司，有限责任合伙企业 | Parts and outer layers having different physical properties |
| US10766201B2 (en) | 2017-04-21 | 2020-09-08 | Hewlett-Packard Development Company, L.P. | Compensating for shrinking of objects in 3D printing |
| CN115122628A (en) * | 2021-03-26 | 2022-09-30 | 固特异轮胎和橡胶公司 | Method for manufacturing a tread-molding element configured to mold at least a portion of a tire tread |
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| CN101900936A (en) * | 2009-05-26 | 2010-12-01 | 鸿富锦精密工业（深圳）有限公司 | Impression mould and production method thereof |
| CN102400186A (en) * | 2010-09-17 | 2012-04-04 | 上海冰峰仪表塑料件厂 | Mold manufacturing technology making use of nickel electroforming machining |
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| CN104175543A (en) * | 2014-07-17 | 2014-12-03 | 深圳市中联讯科技有限公司 | Wire drawing process based on plastic surface |
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Patent Citations (4)
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| CN101900936A (en) * | 2009-05-26 | 2010-12-01 | 鸿富锦精密工业（深圳）有限公司 | Impression mould and production method thereof |
| CN102400186A (en) * | 2010-09-17 | 2012-04-04 | 上海冰峰仪表塑料件厂 | Mold manufacturing technology making use of nickel electroforming machining |
| CN103052491A (en) * | 2011-03-30 | 2013-04-17 | 绿点高新科技股份有限公司 | Molding tool with a three dimensional surface relief pattern and method of making the same |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105499562A (en) * | 2015-12-17 | 2016-04-20 | 东莞裕元模具有限公司 | Method for rapidly manufacturing mold through 3D printing materials |
| US10766201B2 (en) | 2017-04-21 | 2020-09-08 | Hewlett-Packard Development Company, L.P. | Compensating for shrinking of objects in 3D printing |
| CN111417506A (en) * | 2018-01-31 | 2020-07-14 | 惠普发展公司，有限责任合伙企业 | Parts and outer layers having different physical properties |
| US11884018B2 (en) | 2018-01-31 | 2024-01-30 | Hewlett-Packard Development Company, L.P. | Finishing three-dimensional printed parts |
| CN115122628A (en) * | 2021-03-26 | 2022-09-30 | 固特异轮胎和橡胶公司 | Method for manufacturing a tread-molding element configured to mold at least a portion of a tire tread |
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Address after: Anting Jiading District Town, Shanghai City Road No. 123 in 201805 Applicant after: SAIC VOLKSWAGEN AUTOMOTIVE COMPANY LIMITED Address before: Anting Jiading District Town, Shanghai City Road No. 123 in 201805 Applicant before: Dazhang Automobile Co., Ltd., Shanghai |
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Application publication date: 20151125 |
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