CN102514202A - Method for manufacturing automobile instrument board by adopting slush molding process - Google Patents
Method for manufacturing automobile instrument board by adopting slush molding process Download PDFInfo
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- CN102514202A CN102514202A CN2011104439052A CN201110443905A CN102514202A CN 102514202 A CN102514202 A CN 102514202A CN 2011104439052 A CN2011104439052 A CN 2011104439052A CN 201110443905 A CN201110443905 A CN 201110443905A CN 102514202 A CN102514202 A CN 102514202A
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- epidermis
- fascia
- skeleton
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- slush molding
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Abstract
The invention provides a method for manufacturing an automobile instrument board by adopting slush molding process, which comprises the steps of adapting slush molding forming process to manufacture a slush molding surface product in a mould shape; adopting foam forming process, injecting forming materials between the slush molding surface and a framework, enabling the surface and the framework to be connected into a soft state after foaming, and forming the slush molding automobile instrument board. By means of the method, soft instrument boards allocated to high-and-middle-grade saloon cars can be applied to family saloon cars, requirements on new technology of small displacement family cars are met, conditions of inland automobile consumption encouragement policies are met, small displacement automobile sale in the nation is promoted, and energy conservation effects are improved.
Description
Technical field
The present invention relates to a kind of Vehicular instrument board manufacture technology field, particularly a kind of roto casting that utilizes carries out the method that Vehicular instrument board is made.
Background technology
Slush molding technology is present main forming method in order to soft goods such as moulding artificial leathers, and its product is mainly used in clothes, decorates automobile, fields such as household electrical appliances.Researching and developing and producing energy-saving Vehicular instrument board field especially; Adopt the slush molding manufacturing process, between epidermis and skeleton, be filled with polyurethane foam, not only improve sense of touch but also increase endergonic ability; Thereby have characteristics of good energy-saving safe; Also have characteristics such as decorative pattern is even, internal stress free, design tolerance height and be widely used, will become medium-to-high grade car owner to lead, simultaneously also can be to family expenses and liter-car large-scale popularization.
Slush molding technology image agrees the boiling hot bean sheet jelly in the picture daily life, and starch becomes slurry with boiling water, and the aluminum pot that scalds bean sheet jelly rotates in the boiling water of heating, and starch slurry slowly becomes the ripe skin of getting of deformation along with rotation.Slush mold is made generally in hollow state, and material powder is processed mushy stage, rotates mould and makes the pasty state raw material be coated in the surface of the mould with definite shape of preparation in advance equably, makes the pasty state raw material become epidermis through heating mould, and epidermis is taken out in the cooling back.Slush moulding instrument board mould design difficulty is big; At present domestic still do not have producer's research and development, and because of the auto industry of Japan is relatively more flourishing, so mould manufactures and designs in Japan and only has producer of a few family to design and to produce; Domestic enterprise at present can only be from Japanese import mould; Then adopt slush molding technology processing slush moulding epidermis earlier at home, make instrument board again, so manufacturing cost is higher.
Present roto casting Vehicular instrument board generally only is used for medium-to-high grade time automobile because cost is higher, does not have large-scale promotion for the family car field of little discharge capacity, does not meet the requirement that country sets up innovation, energy saving and environment friendly economy.
Summary of the invention
To above-mentioned existing problem; This product proposes a kind of method of utilizing roto casting to make fascia, and the soft instrument panel of medium-to-high grade time car configuration is promoted to family-sized car, has satisfied the demand of float amount family car market to new technology; The condition that meets domestic automobile consumption encouragement policy; Country is promoted automobile with small output volumn sell, improve energy-saving effect, have promotion and leading role.
For reaching the object of the invention, the method that employing roto casting of the present invention is made fascia may further comprise the steps:
S1: adopt slush molding technology, process the slush moulding epidermis product of mold shape; And
S2: adopt foaming forming technique, injecting frothing material in the middle of slush moulding epidermis and skeleton makes epidermis and skeleton connect into soft state through foaming, forms the automobile-used soft instrument panel of slush moulding.
Wherein, In the slush moulding forming technology of described step S1, be with the slush mold surface of the even spreading of powder stock in heating, make its fusion and keep certain hour; Make physics, chemical double reaction fully carry out the back cooling qualitative, obtain the epidermis product of mold shape.
Preferably, described mold heated mode can heat for wind, oil heats or the sand heating.
Again preferably, described powder stock comprises ep-type materials such as TPO, TPU.
In the foam process of described step S2, be with polyethers and isocyanates fully mix in the middle of the epidermis and skeleton that injects mould in the back, crosslinking curing, formation requires the foam of shape betwixt.Foam after the moulding has connected epidermis and skeleton, improves the feel of part again.
Wherein, described foam process can be die sinking cast or mold closing cast.Said die sinking cast is under the mold open state, foamed material to be watered what epidermis inboard, places skeleton, closing molding then, makes its crosslinking curing; The cast of said mold closing is to inject foamed material between the epidermis in mould, put well and the skeleton, makes its crosslinking curing.
Employing roto casting of the present invention is made the method for fascia; Explore new moulding process at the precise forming process aspect; Adopt slush moulding and foaming forming technique to combine to produce Vehicular instrument board, the precise forming process aspect has been explored new process at home, and cost is lower; This technology is applied in low and middle-grade family cars field on a large scale, satisfied the energy conservation and environment protection of country.
Description of drawings
Through the detailed description below in conjunction with accompanying drawing, the object of the invention, feature and advantage will become obvious.
Shown in Figure 1 is the method step figure that employing roto casting of the present invention is made fascia;
Shown in Figure 2 is the process chart of making slush moulding fascia of the present invention.
The specific embodiment
With reference to the method step figure of employing roto casting manufacturing fascia of the present invention shown in Figure 1, the method that employing roto casting of the present invention is made fascia may further comprise the steps.
S1: adopt slush molding technology, process the slush moulding epidermis product of mold shape; And
S2: adopt foaming forming technique, injecting frothing material in the middle of slush moulding epidermis and skeleton makes epidermis and skeleton connect into soft state through foaming, forms the automobile-used soft instrument panel of slush moulding.
Wherein, In the slush moulding forming technology of described S1, be with the slush mold surface of the even spreading of powder stock in heating, make its fusion and keep certain hour; Make physics, chemical double reaction fully carry out the back cooling qualitative, obtain the epidermis product of mold shape.
In actual forming process, the different dies mode of heating plays a decisive role to product quality, die life etc., and the mold heated mode that adopts at present mainly contains modes such as wind heating, oil heating and sand heating.With crossing this technology, can form the product of having relatively high expectations with the feel of luxury car's instrument board, visual effect etc.In addition, in order to reach environmental protection requirement, the raw material powder that uses at present mainly comprises TPO (thermoplastic polyolefin-like material), TPU (TPUE material) etc.
In the foam process of described step S2, be with polyethers and isocyanates fully mix in the middle of the epidermis and skeleton that injects mould in the back, crosslinking curing, formation requires the foam of shape betwixt.The foam that this processing technology forms has connected epidermis and skeleton, improves the feel of part again.This technology is the necessary technology that soft instrument panel is produced, and can be die sinking cast and mold closing cast.Wherein, Said die sinking cast is under the mold open state, foamed material to be watered what epidermis inboard, places skeleton, closing molding then, makes its crosslinking curing; This technology tolerance is high; Design freedom is big, and the cast of another kind of mold closing is to inject foamed material between the epidermis in mould, put well and the skeleton, makes the foam process of its crosslinking curing.
According to the process chart of the above-mentioned specific embodiment of the present invention and making slush moulding fascia of the present invention shown in Figure 2, technological process of the present invention is summarised as.
Product design → mould design → mould manufacturing, debugging → produce epidermis → plastic skeleton positioning parts → polyethers and isocyanates are fully mixed in the middle of the epidermis and skeleton that injects mould in the back → crosslinking curing with the slush molding machine to foam; Obtain primary product; Carry out the parts general assembly then, dispatch from the factory through detecting check back packing.The partial test standard of product comprises dimensional gaughing; Other defects such as visual examination such as surperficial flawless, crack, overlap, shrinkage cavity, flow liner; Heat resistance is not as allowing to be out of shape, to shrink, to peel off and be an impediment to assembling and variation attractive in appearance 120 ℃ of conditions; The low-temperature impact-resistant performance is not split, fractures, is peeled off and the permanent deformation phenomenon as under-30 ℃ of conditions, not allowing; Burning velocity for example≤100 ㎜/min.
The fascia that this method is produced increases by 30% on year-on-year basis in the performance indications such as ability of intensity, rigidity and opposing collision deformation.
The domestic automobile parts industry is faced with a large amount of emerging opportunities to develop under the helping who revitalizes automotive industrial policy at present; The Chinese countryside highway will have 4,500 hundred million yuan investment, and enterprise provides new growth point for auto parts machinery; Rise of the oil price has enlarged the sale of automobile with small output volumn.The product of utilization and extention method manufacturing of the present invention helps enlarging the scope of application of soft instrument panel, has improved consumer's the sense of security; Promote this scientific and technological achievement and help improving security, increase the benefit, have last detective, advantage such as it is good to take effect, economic benefit and social benefit are obvious, and the market space is huge.
The present invention is not limited to described embodiment, and those skilled in the art still can do some corrections or change, so rights protection scope of the present invention is as the criterion with claims restricted portion not breaking away from spirit of the present invention promptly openly in the scope.
Claims (9)
1. method that adopts roto casting to make fascia is characterized in that may further comprise the steps:
S1: adopt slush molding technology, process the slush moulding epidermis product of mold shape; And
S2: adopt foaming forming technique, injecting frothing material in the middle of slush moulding epidermis and skeleton makes epidermis and skeleton connect into soft state through foaming, forms the automobile-used soft instrument panel of slush moulding.
2. employing roto casting as claimed in claim 1 is made the method for fascia; It is characterized in that: the slush moulding forming technology of described step S1; Be with the slush mold surface of the even spreading of powder stock in heating; Make its fusion and keep certain hour, make physics, chemical double reaction fully carry out the back cooling qualitative, obtain the epidermis product of mold shape.
3. the method for making fascia as claimed in claim 2 is characterized in that: the mode of described heating mould is wind heating, oil heating or sand heating.
4. the method for making fascia as claimed in claim 2 is characterized in that: described powder stock is thermoplastic polyolefin-like material or TPUE material.
5. the method for making fascia as claimed in claim 1; It is characterized in that: the foam process of said step S2; Be with polyethers and isocyanates fully mix in the middle of the epidermis and skeleton that injects mould in the back, crosslinking curing, formation requires the foam of shape betwixt.
6. the method for making fascia as claimed in claim 5 is characterized in that: described foam process is die sinking cast or mold closing cast.
7. the method for making fascia as claimed in claim 6 is characterized in that: described die sinking cast is under the mold open state, foamed material to be watered what epidermis inboard, places skeleton, closing molding then, makes its crosslinking curing.
8. the method for making fascia as claimed in claim 6 is characterized in that: the cast of described mold closing is to inject foamed material between the epidermis in mould, put well and the skeleton, makes its crosslinking curing.
9. the method for making fascia as claimed in claim 1 is characterized in that: after the step S2, further comprise the step that the product that makes is detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104439052A CN102514202A (en) | 2011-12-27 | 2011-12-27 | Method for manufacturing automobile instrument board by adopting slush molding process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104439052A CN102514202A (en) | 2011-12-27 | 2011-12-27 | Method for manufacturing automobile instrument board by adopting slush molding process |
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| CN102514202A true CN102514202A (en) | 2012-06-27 |
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| CN2011104439052A Pending CN102514202A (en) | 2011-12-27 | 2011-12-27 | Method for manufacturing automobile instrument board by adopting slush molding process |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104275765A (en) * | 2014-09-17 | 2015-01-14 | 长春富维—江森自控汽车饰件系统有限公司 | Automobile instrument board skin covering method |
| CN106863832A (en) * | 2017-04-14 | 2017-06-20 | 常熟安通林汽车饰件有限公司 | A kind of PUspray foamed instrument panels cladding process |
| CN107418100A (en) * | 2017-08-21 | 2017-12-01 | 刘子睿 | A kind of fascia PVC slush mouldings epidermis tailing reuse method |
| CN107554298A (en) * | 2017-08-28 | 2018-01-09 | 国金汽车集团有限公司 | A kind of slush moulding foaming sealing structure |
| CN109572431A (en) * | 2018-12-11 | 2019-04-05 | 苏州新中达汽车饰件有限公司 | A kind of realization structure of the cantilevered Automobile Dashboard with knob shift |
| CN110027142A (en) * | 2019-04-25 | 2019-07-19 | 何山 | A kind of preparation method and automobile interior decoration of environment-friendly type automobile inner decoration |
| CN110655667A (en) * | 2018-08-20 | 2020-01-07 | 南通普力马弹性体技术有限公司 | Adhesion method of slush-molded TPE (thermoplastic elastomer) skin and foaming material and preparation method of interior trim panel |
| CN110877462A (en) * | 2019-11-20 | 2020-03-13 | 重庆平伟汽车零部件有限公司 | Machining and assembling method for automobile instrument panel and defrosting cover plate |
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| EP0672510A1 (en) * | 1994-03-16 | 1995-09-20 | Nakata Coating Co., Ltd. | Formed article of resin and method of production thereof |
| CN2873557Y (en) * | 2005-11-24 | 2007-02-28 | 刘旭祥 | Automobile instrument panel |
| CN101186107A (en) * | 2006-11-17 | 2008-05-28 | 延锋伟世通汽车饰件系统有限公司 | Plastic piece shaping method |
| CN201272071Y (en) * | 2008-06-19 | 2009-07-15 | 上海延华汽车装备有限公司 | Flame-retardant antistatic composite material |
| CN201792755U (en) * | 2010-08-30 | 2011-04-13 | 苏州恒达塑料工业有限公司 | Automobile-used instrument panel |
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2011
- 2011-12-27 CN CN2011104439052A patent/CN102514202A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0672510A1 (en) * | 1994-03-16 | 1995-09-20 | Nakata Coating Co., Ltd. | Formed article of resin and method of production thereof |
| CN2873557Y (en) * | 2005-11-24 | 2007-02-28 | 刘旭祥 | Automobile instrument panel |
| CN101186107A (en) * | 2006-11-17 | 2008-05-28 | 延锋伟世通汽车饰件系统有限公司 | Plastic piece shaping method |
| CN201272071Y (en) * | 2008-06-19 | 2009-07-15 | 上海延华汽车装备有限公司 | Flame-retardant antistatic composite material |
| CN201792755U (en) * | 2010-08-30 | 2011-04-13 | 苏州恒达塑料工业有限公司 | Automobile-used instrument panel |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104275765A (en) * | 2014-09-17 | 2015-01-14 | 长春富维—江森自控汽车饰件系统有限公司 | Automobile instrument board skin covering method |
| CN106863832A (en) * | 2017-04-14 | 2017-06-20 | 常熟安通林汽车饰件有限公司 | A kind of PUspray foamed instrument panels cladding process |
| CN107418100A (en) * | 2017-08-21 | 2017-12-01 | 刘子睿 | A kind of fascia PVC slush mouldings epidermis tailing reuse method |
| CN107418100B (en) * | 2017-08-21 | 2019-09-03 | 刘子睿 | A kind of fascia PVC slush moulding epidermis tailing reuse method |
| CN107554298A (en) * | 2017-08-28 | 2018-01-09 | 国金汽车集团有限公司 | A kind of slush moulding foaming sealing structure |
| CN110655667A (en) * | 2018-08-20 | 2020-01-07 | 南通普力马弹性体技术有限公司 | Adhesion method of slush-molded TPE (thermoplastic elastomer) skin and foaming material and preparation method of interior trim panel |
| CN109572431A (en) * | 2018-12-11 | 2019-04-05 | 苏州新中达汽车饰件有限公司 | A kind of realization structure of the cantilevered Automobile Dashboard with knob shift |
| CN110027142A (en) * | 2019-04-25 | 2019-07-19 | 何山 | A kind of preparation method and automobile interior decoration of environment-friendly type automobile inner decoration |
| CN110877462A (en) * | 2019-11-20 | 2020-03-13 | 重庆平伟汽车零部件有限公司 | Machining and assembling method for automobile instrument panel and defrosting cover plate |
| CN110877462B (en) * | 2019-11-20 | 2021-09-24 | 重庆平伟汽车零部件有限公司 | Machining and assembling method for automobile instrument panel and defrosting cover plate |
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Application publication date: 20120627 |