CN105691321A - Automobile hemp fiber part and producing method thereof - Google Patents
Automobile hemp fiber part and producing method thereof Download PDFInfo
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- CN105691321A CN105691321A CN201410682467.9A CN201410682467A CN105691321A CN 105691321 A CN105691321 A CN 105691321A CN 201410682467 A CN201410682467 A CN 201410682467A CN 105691321 A CN105691321 A CN 105691321A
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- flaxen fiber
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- hemp fiber
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Abstract
The invention relates to an automobile hemp fiber part and a producing method thereof. The shape of the hemp fiber part is matched with the shape of a metal plate of a back cover of an automobile trunk; a part body is a single-layer hemp fiber material layer; a surface carpet layer is arranged on one surface of the hemp fiber material layer, and a non-woven fabric is arranged on the other surface of the hemp fiber material layer; and the nonwoven fabric is provided with a positioning plastic piece through ultrasonic welding. A surface carpet is laid on a part mould; a hemp fiber material is heated, and is laid on the surface carpet layer after the hemp fiber material is softened; and finally, the non-woven fabric is laid on the hemp fiber material layer and is press-formed through a moulding press, welding work of the plastic piece is completed through an ultrasonic welding device, and then the automobile hemp fiber part is produced. Compared with the prior art, the method has the advantages of guaranteed part strength and lightened part weight.
Description
Technical field
The present invention relates to a kind of auto parts and preparation method thereof, especially relate to a kind of automobile flaxen fiber part and preparation method thereof。
Background technology
Current automobile industry luggage case bonnet interior trim, mostly adopt the structure of monolithic carpet compacting, therefore structure is softer, and hardness and intensity are relatively low, if required up the words of certain requirement of strength, then need to increase the thickness etc. of part, pts wt is caused to lay particular stress on so that the load of automobile increases, thus being unfavorable for automobile starting, traveling, oil consumption additionally also can be caused to increase, be unfavorable for environmental protection。
Chinese patent CN102336024A discloses the manufacture method of a kind of wood plastic part used for automobiles, two-layer Wood-plastic material is put into baking oven thermoplastic, placement surface material in mold and lower mold, the two-layer Wood-plastic material of softened by baking controls matched moulds and blows in the middle of two-layer Wood-plastic material after being laid in lower mold, finally remove and obtain the rim charge of part, then bonding plastics part install limit rope and namely obtain product on part。Compared with prior art, the present invention makes the part obtained compared with common single layer structure part, can ensure that same intensity on the one hand, on the other hand, owing to part is only monolayer flaxen fiber material structure, it is possible to saves material, and alleviates pts wt。But the Wood-plastic material part that this patent system obtains can not be used on car trunk bonnet interior trim。
Summary of the invention
Defect that the purpose of the present invention is contemplated to overcome above-mentioned prior art to exist and provide a kind of and ensure part strength, the automobile flaxen fiber part alleviating pts wt and preparation method thereof。
The purpose of the present invention can be achieved through the following technical solutions:
A kind of automobile flaxen fiber part, the mating shapes of shape and car trunk bonnet panel beating, it is characterized in that, the main body of this part is monolayer flaxen fiber material layer, the one side of flaxen fiber material layer lays blanket layer outwardly, another side lays non-woven fabrics, and this non-woven fabrics is welded with location working of plastics through speciality device for ultrasonic welding。
Described flaxen fiber material layer is that 40～50:30～40:30～10 blending is made and lays non-woven fabrics at the flaxen fiber material back side by flax fiber, polypropylene fibre and fused fiber by weight。
The fibre length of described flax fiber: 40～80mm。
Described polypropylene fibre fusing point is: 168 DEG C。
Described fused fiber internal layer fusing point is: 240 DEG C；Outer layer fusing point: 110 DEG C。
Described non-woven fabrics need to ensure that 230 DEG C/5min can not melt。
Described blanket layer outwardly is that 80～90:20～10 blending is made by polyethylene terephthalate and butadiene-styrene rubber by weight。
Described device for ultrasonic welding is automatic welding device, after flaxen fiber elements material is put into device for ultrasonic welding, presses START button, and device for ultrasonic welding can be automatically performed the welding job of working of plastics。This device for ultrasonic welding frequency is: 50/60Hz；Peak power: 20kw；Compressed air pressure: 5～7kg；Single part weld interval: 60～65s。
Described location working of plastics has draw-in groove, and draw-in groove is built with metallic spring and bonnet panel beating matching connection。
The automobile manufacture method of flaxen fiber part, surface carpet is laid on component die by the method, again flaxen fiber material is heated, after its softening, it is laid in outwardly in blanket layer, on flaxen fiber material layer, finally lay non-woven fabrics and compressing by moulding press, utilize device for ultrasonic welding to complete the welding job of working of plastics, make and obtain automobile flaxen fiber part。Specifically adopt following steps:
(1) utilizing water-cooling system, the temperature controlling molding mold and lower mold is 15 DEG C；
(2) being placed in flat bed oven by the flaxen fiber material obtained by formula blending, controlling oven temperature is 220 DEG C, makes the abundant thermoplastic of flaxen fiber material；
(3) at the upper finished surface carpet of lower mold；
(4) the flaxen fiber material of softened by baking is laid on the carpet of surface；
(5) closing mould matched moulds, control pressure is 18～20MPa, and burn close time is 70-80s at once；
(6) assembly is taken out by die sinking, removes rim charge, obtains automobile flaxen fiber elements material；
(7) putting in device for ultrasonic welding by profiled member, namely welding location working of plastics obtains automobile flaxen fiber part after completing。
After flaxen fiber part after molding is put into device for ultrasonic welding, pressing START button, this device for ultrasonic welding can be automatically performed the welding job of working of plastics。
Compared with prior art, the invention have the advantages that
(1) fibre length of flaxen fiber is about (40～80) mm, and it has stronger toughness, but itself does not have viscosity, it is impossible to bonding；And the fused fiber of the polypropylene fibre using fusing point to be 168 DEG C and internal layer fusing point 240 DEG C, outer layer fusing point 110 DEG C, the effect of bonding flaxen fiber can be played under high temperature melting。The flaxen fiber material obtained eventually through fiber blend makes part and can ensure that intensity and the toughness of part。
(2) owing to part is only monolayer flaxen fiber material structure, it is possible to save material, alleviate pts wt；Simultaneously because the inherent advantage of flaxen fiber, can guarantee that the part made has stronger toughness and intensity。
(3) bond compared to glue, use ultrasonic bonding location working of plastics more stable, firm, simultaneously, it is not necessary to newly-increased supplementary cementitious material, also environmental protection more economically。
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail。
Embodiment 1
A kind of automobile flaxen fiber material parts, the mating shapes of the shape of this part and car trunk bonnet panel beating, automobile flaxen fiber material parts is monolayer flaxen fiber material structure, flaxen fiber material one side is covered with surface carpet, and another side lays non-woven fabrics and uses device for ultrasonic welding to be welded with location working of plastics。
Location working of plastics has draw-in groove, and draw-in groove is equipped with metallic spring mating for part and bonnet panel beating。Flaxen fiber material is made up of flax fiber, polypropylene fibre and fused fiber blending, and wherein, the weight ratio of flax fiber, polypropylene fibre and fused fiber is 40:30:30, and the fibre length of the flax fiber of use is at 40～80mm；Polypropylene fibre fusing point is: 168 DEG C。；Fused fiber internal layer fusing point is: 240 DEG C；Outer layer fusing point: 110 DEG C；Non-woven fabrics need to ensure that 230 DEG C/5min can not melt。Surface carpet is made up of polyethylene terephthalate and butadiene-styrene rubber blending, and wherein, the part by weight of polyethylene terephthalate and butadiene-styrene rubber is about 80:20。
The manufacture method of a kind of automobile flaxen fiber material parts: first need to be laid on component die surface carpet；Again flaxen fiber material is heated, after its softening, be laid on piece surface carpet, and compressing by moulding press, obtain automobile flaxen fiber elements material；Finally re-use device for ultrasonic welding and complete the welding job of working of plastics, obtain finished product flaxen fiber material parts。
Manufacture method specifically includes following steps:
(1) utilizing water-cooling system, the temperature controlling molding mold and lower mold is 15 DEG C:
(2) being placed in flat bed oven by the flaxen fiber material obtained by formula blending, controlling oven temperature is 220 DEG C, makes the abundant thermoplastic of flaxen fiber material；
(3) at the upper finished surface carpet of lower mold；
(4) the flaxen fiber material of softened by baking is laid on the carpet of surface；
(5) closing mould matched moulds, control pressure is 18～20MPa, and burn close time is 70-80s at once；
(6) assembly is taken out by die sinking, removes rim charge, obtains automobile flaxen fiber elements material；
(7) putting in device for ultrasonic welding by profiled member, namely welding location working of plastics obtains automobile flaxen fiber part after completing。
Embodiment 2
A kind of automobile flaxen fiber part, the mating shapes of shape and car trunk bonnet panel beating, the main body of part is monolayer flaxen fiber material layer, and the one side of flaxen fiber material layer lays blanket layer outwardly, another side lays non-woven fabrics, and this non-woven fabrics is connected to location working of plastics through supersonic welding。
Flaxen fiber material layer therein is made up for 50:340:10 blending by weight of flax fiber, polypropylene fibre and fused fiber。The fibre length of flax fiber: 40～80mm；Polypropylene fibre fusing point is: 168 DEG C。；Fused fiber internal layer fusing point is: 240 DEG C；Outer layer fusing point: 110 DEG C；Non-woven fabrics need to ensure that 230 DEG C/5min can not melt。
Blanket layer is that 80～90:20～10 blending is made by polyethylene terephthalate and butadiene-styrene rubber by weight outwardly。Location working of plastics has draw-in groove, and draw-in groove is built with metallic spring and bonnet panel beating matching connection。
The automobile manufacture method of flaxen fiber part, surface carpet is laid on component die, again flaxen fiber material is heated, after its softening, it is laid in outwardly in blanket layer, on flaxen fiber material layer, finally lay non-woven fabrics and compressing by moulding press, utilize device for ultrasonic welding to complete the welding job of working of plastics, make and obtain automobile flaxen fiber part, specifically adopt following steps:
(1) utilizing water-cooling system, the temperature controlling molding mold and lower mold is 15 DEG C；
(2) being placed in flat bed oven by the flaxen fiber material obtained by formula blending, controlling oven temperature is 220 DEG C, makes the abundant thermoplastic of flaxen fiber material；
(3) at the upper finished surface carpet of lower mold；
(4) the flaxen fiber material of softened by baking is laid on the carpet of surface；
(5) closing mould matched moulds, control pressure is 18～20MPa, and burn close time is 70-80s at once；
(6) assembly is taken out by die sinking, removes rim charge, obtains automobile flaxen fiber elements material；
(7) putting in device for ultrasonic welding by profiled member, namely welding location working of plastics obtains automobile flaxen fiber part after completing。
Embodiment 3
A kind of automobile flaxen fiber part, the mating shapes of shape and car trunk bonnet panel beating, the main body of part is monolayer flaxen fiber material layer, and the one side of flaxen fiber material layer lays blanket layer outwardly, another side lays non-woven fabrics, and this non-woven fabrics is connected to location working of plastics through supersonic welding。
Flaxen fiber material layer therein is made up for 40:40:20 blending by weight of flax fiber, polypropylene fibre and fused fiber。The fibre length of flax fiber: 40～80mm；Polypropylene fibre fusing point is: 168 DEG C。；Fused fiber internal layer fusing point is: 240 DEG C of outer layer fusing points: 110 DEG C；Non-woven fabrics need to ensure that 230 DEG C/5min can not melt。
Blanket layer is that 80～90:20～10 blending is made by polyethylene terephthalate and butadiene-styrene rubber by weight outwardly。Location working of plastics has draw-in groove, and draw-in groove is built with metallic spring and bonnet panel beating matching connection。
The automobile manufacture method of flaxen fiber part, surface carpet is laid on component die, again flaxen fiber material is heated, after its softening, it is laid in outwardly in blanket layer, on flaxen fiber material layer, finally lay non-woven fabrics and compressing by moulding press, utilize device for ultrasonic welding to complete the welding job of working of plastics, make and obtain automobile flaxen fiber part, specifically adopt following steps:
(1) utilizing water-cooling system, the temperature controlling molding mold and lower mold is 15 DEG C；
(2) being placed in flat bed oven by the flaxen fiber material obtained by formula blending, controlling oven temperature is 220 DEG C, makes the abundant thermoplastic of flaxen fiber material；
(3) at the upper finished surface carpet of lower mold；
(4) the flaxen fiber material of softened by baking is laid on the carpet of surface；
(5) closing mould matched moulds, control pressure is 18～20MPa, and burn close time is 70-80s at once；
(6) assembly is taken out by die sinking, removes rim charge, obtains automobile flaxen fiber elements material；
(7) putting in device for ultrasonic welding by profiled member, namely welding location working of plastics obtains automobile flaxen fiber part after completing。
Make flaxen fiber material parts weight according to above-described embodiment 1～3 to be about: (1100～1300) g, there is light-weighted feature；Meanwhile, can guarantee that part, without deformation, has great functional in the temperature cycling test of-40 DEG C～80 DEG C, 50 cycles (25 days)。
Claims (8)
1. an automobile flaxen fiber part, the mating shapes of shape and car trunk bonnet panel beating, it is characterized in that, the main body of this part is monolayer flaxen fiber material layer, the one side of flaxen fiber material layer lays blanket layer outwardly, another side lays non-woven fabrics, and this non-woven fabrics is welded with location working of plastics through device for ultrasonic welding。
2. a kind of automobile flaxen fiber part according to claim 1, it is characterized in that, described flaxen fiber material layer is that 40～50: 30～40: 30～10 blending are made and lay non-woven fabrics at the flaxen fiber material back side by flax fiber, polypropylene fibre and fused fiber by weight。
3. a kind of automobile flaxen fiber part according to claim 2, it is characterised in that:
The fibre length of described flax fiber is 40～80mm, and described polypropylene fibre fusing point is 168 DEG C, and described fused fiber internal layer fusing point is 240 DEG C, and outer layer fusing point is 110 DEG C, and described non-woven fabrics does not melt when 230 DEG C/5min。
4. a kind of automobile flaxen fiber part according to claim 1, it is characterised in that described blanket layer outwardly is that 80～90: 20～10 blending are made by polyethylene terephthalate and butadiene-styrene rubber by weight。
5. the device for ultrasonic welding required according to right 1, it is characterised in that described device for ultrasonic welding is automatic welding device, and frequency is: 50/60Hz；Peak power: 20kw；Compressed air pressure: 5～7kg: single part weld interval: 60～65s。
6. a kind of automobile flaxen fiber part according to claim 1, it is characterised in that described location working of plastics has draw-in groove, and draw-in groove is built with metallic spring and bonnet panel beating matching connection。
7. the manufacture method of flaxen fiber part of the automobile according to any one of claim 1-6, it is characterized in that, surface carpet is laid on component die by the method, again flaxen fiber material is heated, after its softening, it is laid in outwardly in blanket layer, on flaxen fiber material layer, finally lay non-woven fabrics and compressing by moulding press, utilize device for ultrasonic welding to complete the welding job of working of plastics, make and obtain automobile flaxen fiber part。
8. the manufacture method of a kind of automobile flaxen fiber part according to claim 7, it is characterised in that the method adopts following steps:
(1) utilizing water-cooling system, the temperature controlling molding mold and lower mold is 15 DEG C；
(2) being placed in flat bed oven by the flaxen fiber material obtained by formula blending, controlling oven temperature is 220 DEG C, makes the abundant thermoplastic of flaxen fiber material；
(3) at the upper finished surface carpet of lower mold；
(4) the flaxen fiber material of softened by baking is laid on the carpet of surface。
(5) closing mould matched moulds, control pressure is 18～20MPa, and burn close time is 70～80s at once；
(6) assembly is taken out by die sinking, removes rim charge, obtains automobile flaxen fiber elements material；
(7) putting in device for ultrasonic welding by profiled member, namely welding location working of plastics obtains automobile flaxen fiber part after completing。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410682467.9A CN105691321A (en) | 2014-11-24 | 2014-11-24 | Automobile hemp fiber part and producing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410682467.9A CN105691321A (en) | 2014-11-24 | 2014-11-24 | Automobile hemp fiber part and producing method thereof |
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| CN105691321A true CN105691321A (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410682467.9A Pending CN105691321A (en) | 2014-11-24 | 2014-11-24 | Automobile hemp fiber part and producing method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112519334A (en) * | 2020-11-26 | 2021-03-19 | 上海新安汽车隔音毡有限公司 | Lightweight interior material for automobile rear cover and preparation method thereof |
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| CN201224359Y (en) * | 2008-05-14 | 2009-04-22 | 江阴延利汽车饰件有限公司 | Decorative board inside cover of sedan boot |
| US20110229698A1 (en) * | 2010-03-19 | 2011-09-22 | E2E Materials, Inc. | Biodegradable resin composites |
| CN102336024A (en) * | 2010-07-26 | 2012-02-01 | 上海新安汽车隔音毡有限公司 | Manufacturing method for wood plastic part used for automobiles |
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| CN112519334A (en) * | 2020-11-26 | 2021-03-19 | 上海新安汽车隔音毡有限公司 | Lightweight interior material for automobile rear cover and preparation method thereof |
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Application publication date: 20160622 |
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