CN102582026A - Manufacture method for secondary injection moulding product with three-dimensional light and shadow effect - Google Patents
Manufacture method for secondary injection moulding product with three-dimensional light and shadow effect Download PDFInfo
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- CN102582026A CN102582026A CN2012100316255A CN201210031625A CN102582026A CN 102582026 A CN102582026 A CN 102582026A CN 2012100316255 A CN2012100316255 A CN 2012100316255A CN 201210031625 A CN201210031625 A CN 201210031625A CN 102582026 A CN102582026 A CN 102582026A
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Abstract
The invention relates to a manufacture method for a secondary injection moulding product with a three-dimensional light and shadow effect, which is characterized by comprising the following steps of: a) injecting first fused plastic raw material containing metal powder, and injecting the first plastic raw material into a first mould capable of generating textures or nicks; b) cooling the first mould, and forming a plastic bottom layer with the textures or nicks in the first mould; c) injecting second fused plastic raw material with the transmission of light, and injecting the second plastic raw material with the transmission of light into a second mould with the plastic bottom layer; and d) cooling the second mould, and forming an injection moulding product with the plastic bottom layer and a plastic surface layer with the transmission of light above the plastic bottom layer in the second mould. The manufacture method for the secondary injection moulding product with the three-dimensional light and shadow effect is characterized in that the three-dimensional light and shadow effect is displayed by the cooperation of the texture, the color and the transparency of the plastic bottom layer and the plastic surface layer so as to conform to the requirement on the fashionable appearance of a portable electronic product.
Description
Technical field
The present invention relates to injection molding forming method, particularly a kind of preparation method with quadric injection mould moulding article of three-dimensional effect of shadow.
Background technology
Existing twice ejaculating forming technology also is called as double-material jet formation (overmolding); Its mainly be unlike material that two kinds of compatibility is high the molten state plastic raw materials in simultaneously or front and back inject same mould; The plastic raw materials of aforementioned two kinds of unlike materials can be the plastic material of light transmission, as, translucent Merlon (polycarbonate; Abbreviation PC), acrylonitrile-butadiene-styrene (ABS) co-polymer (acrylonitrile-butadiene-styrene; Be called for short ABS), or polymethyl methacrylate plastic raw materials such as (polymethylmethacrylic are called for short PMMA).
Utilize the prepared ejection formed piece of twice ejaculating forming technology; Viscosity (viscosity) and the flow velocity thereof of plastic raw materials that generally is two kinds of unlike materials of control is so that its ejection formed piece demonstrates: the visual effect that first plastic raw materials 111 as shown in Figure 1 combines with the color of second plastic raw materials 112; Or the 3-D effect of the thick variation of meat of first plastic raw materials 121 as shown in Figure 2 and second plastic raw materials 122, also or like the change color of the thick variation of meat of first plastic raw materials 131 that Fig. 3 showed and second plastic raw materials 132.In addition, these ejection formed pieces are the lever of hand-held tools such as the sole that is applied to shoes, screwdriver at present, or the technical fields such as casing of portable electronic product.
Yet; The prepared ejection formed piece of above-mentioned twice ejaculating forming technology fails the thick variation of meat of bottom is demonstrated 3-D effect; In the third dimension of integral body, vividly on sense and the effect such as shadow variation, its shortcoming all to some extent for the stylishness that the portable electronic product of present stage is focused on.
Summary of the invention
The object of the present invention is to provide a kind of preparation method, help strengthening the stereoscopic display effect of product, satisfy client's requirement attractive in appearance with quadric injection mould moulding article of three-dimensional effect of shadow.
The invention is characterized in: a kind of preparation method with quadric injection mould moulding article of three-dimensional effect of shadow, it is characterized in that, carry out as follows:
A. injection contains molten state first plastic raw materials of metal dust, and makes this first plastic raw materials inject first mould that can produce texture or indentation;
B. cool off first mould and in this first mould, form the plastic bottom layer of texture or indentation;
C. inject light transmission second plastic raw materials of molten state, make this light transmission second plastic raw materials inject second mould that is placed with said plastic bottom layer;
D. cool off second mould and in this second mould, form and have plastic bottom layer and the injection mo(u)lding article that take shape in the light transmission plastic surface layer on the plastic bottom layer.
Advantage of the present invention: the cooperation of the present invention through texture, color and the transparency on plastic bottom layer and top layer to be demonstrating three-dimensional effect of shadow, thereby meet the demand of portable electronic product for the outward appearance of stylishness.
Description of drawings
Fig. 1 is the cross-sectional schematic of present twice ejaculating forming article one.
Fig. 2 is the cross-sectional schematic of present twice ejaculating forming article two.
Fig. 3 is the cross-sectional schematic of present twice ejaculating forming article three.
Fig. 4 is the structure cutaway view of injecting products of the present invention.
Fig. 5 is the structural representation of the plastic bottom layer of injecting products of the present invention.
Fig. 6 is the structural representation of the light transmission plastic surface layer of injecting products of the present invention.
Structural representation when Fig. 7 combines with the light transmission plastic surface layer for the plastic bottom layer of injecting products of the present invention.
The specific embodiment
With reference to figure 4 to Fig. 7, a kind of preparation method with quadric injection mould moulding article of three-dimensional effect of shadow, carry out as follows:
A. injection contains molten state first plastic raw materials of metal dust, and makes this first plastic raw materials inject first mould that can produce texture or indentation;
B. cool off first mould and in this first mould, form the plastic bottom layer of texture or indentation;
C. inject light transmission second plastic raw materials of molten state, make this light transmission second plastic raw materials inject second mould that is placed with said plastic bottom layer;
D. cool off second mould and in this second mould, form and have plastic bottom layer and the injection mo(u)lding article that take shape in the light transmission plastic surface layer on the plastic bottom layer.
The transparency of above-mentioned light transmission plastics is higher than plastic bottom layer.
The heat distortion temperature of first plastic raw materials of step a is higher than the fusing point of light transmission second plastic raw materials of step c.
Above-mentioned first mould is for injecting the mould of texture or indentation texture in the plastic bottom layer two sides.
Above-mentioned first mould is for injecting the mould of texture or indentation texture in the plastic bottom layer single side face.
Above-mentioned second mould is for injecting the mould of texture or indentation texture in light transmission plastics two sides.
Above-mentioned second mould is for injecting the mould of texture or indentation texture in light transmission plastics single side face.
Above-mentioned second mould is at the equal mould of not injection moulding texture of light transmission plastics two sided.
Above-mentioned metal dust is that a kind of or its combination in Al, Ag, Cu, the pearl essence material is processed.
Above-mentioned light transmission second plastic raw materials contains colouring agent.
The practical implementation process:
Adopting metal dust is to be cooperated by Al (2 ‰-4 ‰) and mixing pearl essence (‰ 6-7 ‰) to process; Between sub-translucent, material is PC to its transparency of light transmission plastics (ground floor material) translucent, and group's material of PMMA is processed, and this instance is PC; Between opaque, material is PC to its transparency of plastic bottom layer (second layer material) sub-translucent, ABS, and group's material of PMMA is processed, and this instance is PC.
The present invention adjusts on the two-shot process basis as follows:
1. the color and the transparency of two kinds of materials of quadric injection mould
Color is the same 1.1. plastic bottom layer (injected plastics material for the first time) is with light transmission plastics (injected plastics material for the second time), but the transparency of light transmission plastics is higher.
Color is different 1.2. plastic bottom layer (injected plastics material for the first time) is with light transmission plastics (injected plastics material for the second time), but the transparency of light transmission plastics is higher.
2. the grain design of two kinds of materials of quadric injection mould
2.1. grain design is done on the surface of plastic bottom layer (injected plastics material for the first time) wherein one side, texture comprises texture and indentation.Grain design is not done on the surface of light transmission plastics (injected plastics material for the second time).
2.2. the surperficial two sides of plastic bottom layer (for the first time injected plastics material) all sit texture who, texture comprises texture and indentation.Grain design is done on the surface of light transmission plastics (injected plastics material for the second time) wherein one side.
2.3. grain design is done on the surface of plastic bottom layer (injected plastics material for the first time) wherein one side, texture comprises texture and indentation.Grain design is done on the surface of light transmission plastics (injected plastics material for the second time) wherein one side.
3. on the two-shot process basis, twice injected plastics material color can be the same can be different, the top layer is with the color material that has of band transparency:
3.1. grain design is done on the surface of plastic bottom layer (injected plastics material for the first time) wherein one side, texture comprises texture and indentation.Grain design is not done on the surface of light transmission plastics (injected plastics material for the second time).
3.2. the surperficial two sides of plastic bottom layer (for the first time injected plastics material) all sit texture who, texture comprises texture and indentation.Grain design is done on the surface of light transmission plastics (injected plastics material for the second time) wherein one side.
3.3. grain design is done on the surface of plastic bottom layer (injected plastics material for the first time) wherein one side, texture comprises texture and indentation.Grain design is done on the surface of light transmission plastics (injected plastics material for the second time) wherein one side.
The above person is merely preferred embodiment of the present invention, and all changes of doing according to technical scheme of the present invention when the function that is produced does not exceed the scope of technical scheme of the present invention, all belong to protection scope of the present invention.
Claims (10)
1. the preparation method with quadric injection mould moulding article of three-dimensional effect of shadow is characterized in that, carries out as follows:
A. injection contains molten state first plastic raw materials of metal dust, and makes this first plastic raw materials inject first mould that can produce texture or indentation;
B. cool off first mould and in this first mould, form the plastic bottom layer of texture or indentation;
C. inject light transmission second plastic raw materials of molten state, make this light transmission second plastic raw materials inject second mould that is placed with said plastic bottom layer;
D. cool off second mould and in this second mould, form and have plastic bottom layer and the injection mo(u)lding article that take shape in the light transmission plastic surface layer on the plastic bottom layer.
2. the preparation method with quadric injection mould moulding article of three-dimensional effect of shadow according to claim 1, it is characterized in that: the transparency of said light transmission plastics is higher than plastic bottom layer.
3. the preparation method with quadric injection mould moulding article of three-dimensional effect of shadow according to claim 1 is characterized in that: the heat distortion temperature of first plastic raw materials of step a is higher than the fusing point of light transmission second plastic raw materials of step c.
4. the preparation method with quadric injection mould moulding article of three-dimensional effect of shadow according to claim 1 is characterized in that: said first mould is for injecting the mould of texture or indentation texture in the plastic bottom layer two sides.
5. the preparation method with quadric injection mould moulding article of three-dimensional effect of shadow according to claim 1 is characterized in that: said first mould is for injecting the mould of texture or indentation texture in the plastic bottom layer single side face.
6. the preparation method with quadric injection mould moulding article of three-dimensional effect of shadow according to claim 1 is characterized in that: said second mould is for injecting the mould of texture or indentation texture in light transmission plastics two sides.
7. the preparation method with quadric injection mould moulding article of three-dimensional effect of shadow according to claim 1 is characterized in that: said second mould is for injecting the mould of texture or indentation texture in light transmission plastics single side face.
8. the preparation method with quadric injection mould moulding article of three-dimensional effect of shadow according to claim 1 is characterized in that: said second mould is at the equal mould of not injection moulding texture of light transmission plastics two sided.
9. the preparation method with quadric injection mould moulding article of three-dimensional effect of shadow according to claim 1 is characterized in that: described metal dust is that a kind of or its combination in Al, Ag, Cu, the pearl essence material is processed.
10. the preparation method with quadric injection mould moulding article of three-dimensional effect of shadow according to claim 1 is characterized in that: said light transmission second plastic raw materials contains colouring agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100316255A CN102582026A (en) | 2012-02-14 | 2012-02-14 | Manufacture method for secondary injection moulding product with three-dimensional light and shadow effect |
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| CN2012100316255A CN102582026A (en) | 2012-02-14 | 2012-02-14 | Manufacture method for secondary injection moulding product with three-dimensional light and shadow effect |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104118088A (en) * | 2013-04-23 | 2014-10-29 | 汉达精密电子(昆山)有限公司 | Plastic product and molding method thereof |
| CN105328916A (en) * | 2014-08-15 | 2016-02-17 | 汉达精密电子(昆山)有限公司 | Manufacturing method of high-hardness plastic key and product manufactured through manufacturing method |
| CN105328858A (en) * | 2014-08-15 | 2016-02-17 | 汉达精密电子(昆山)有限公司 | Manufacturing method of colored light equalization key and product manufactured through manufacturing method |
| CN105365152A (en) * | 2014-08-15 | 2016-03-02 | 汉达精密电子(昆山)有限公司 | A plastic product manufacturing method and a product of the method |
| CN105437458A (en) * | 2014-08-15 | 2016-03-30 | 汉达精密电子(昆山)有限公司 | Uniform light key product manufacturing method and uniform light key product |
| CN106003569A (en) * | 2016-06-08 | 2016-10-12 | 宁波公牛电器有限公司 | In-mold bi-color injection molding process and bi-color switch socket applying same |
| CN110582432A (en) * | 2017-06-05 | 2019-12-17 | 维宁尔美国公司 | Surface treatment patterns for reducing radar reflections and related components and methods |
| CN114639326A (en) * | 2022-05-20 | 2022-06-17 | 苏州苏大维格科技集团股份有限公司 | Precise microstructure presenting three-dimensional relief image and preparation method and application thereof |
Citations (2)
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|---|---|---|---|---|
| US20060133102A1 (en) * | 2004-12-21 | 2006-06-22 | General Electric Company | Heat resistant plastic lamp components and methods of forming |
| CN101181822A (en) * | 2006-11-14 | 2008-05-21 | 友嘉兴业股份有限公司 | Preparation method of PU putamina having various textures and color diversification |
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2012
- 2012-02-14 CN CN2012100316255A patent/CN102582026A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060133102A1 (en) * | 2004-12-21 | 2006-06-22 | General Electric Company | Heat resistant plastic lamp components and methods of forming |
| CN101181822A (en) * | 2006-11-14 | 2008-05-21 | 友嘉兴业股份有限公司 | Preparation method of PU putamina having various textures and color diversification |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104118088A (en) * | 2013-04-23 | 2014-10-29 | 汉达精密电子(昆山)有限公司 | Plastic product and molding method thereof |
| CN105328916A (en) * | 2014-08-15 | 2016-02-17 | 汉达精密电子(昆山)有限公司 | Manufacturing method of high-hardness plastic key and product manufactured through manufacturing method |
| CN105328858A (en) * | 2014-08-15 | 2016-02-17 | 汉达精密电子(昆山)有限公司 | Manufacturing method of colored light equalization key and product manufactured through manufacturing method |
| CN105365152A (en) * | 2014-08-15 | 2016-03-02 | 汉达精密电子(昆山)有限公司 | A plastic product manufacturing method and a product of the method |
| CN105437458A (en) * | 2014-08-15 | 2016-03-30 | 汉达精密电子(昆山)有限公司 | Uniform light key product manufacturing method and uniform light key product |
| CN106003569A (en) * | 2016-06-08 | 2016-10-12 | 宁波公牛电器有限公司 | In-mold bi-color injection molding process and bi-color switch socket applying same |
| CN110582432A (en) * | 2017-06-05 | 2019-12-17 | 维宁尔美国公司 | Surface treatment patterns for reducing radar reflections and related components and methods |
| CN114639326A (en) * | 2022-05-20 | 2022-06-17 | 苏州苏大维格科技集团股份有限公司 | Precise microstructure presenting three-dimensional relief image and preparation method and application thereof |
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Application publication date: 20120718 |