CN102993689B - Automobile-used pipeline and preparation method thereof - Google Patents
Automobile-used pipeline and preparation method thereof Download PDFInfo
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- CN102993689B CN102993689B CN201210482375.7A CN201210482375A CN102993689B CN 102993689 B CN102993689 B CN 102993689B CN 201210482375 A CN201210482375 A CN 201210482375A CN 102993689 B CN102993689 B CN 102993689B
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Abstract
The present invention relates to a kind of automobile-used pipeline, described pipeline adopts nylon material, comprises the softening agent of 0.5%, the fire retardant of 0.8%, the thermo-stabilizer of 0.6%, characterized by further comprising glass microballon and 0.5% silicone of 5%; The invention still further relates to a kind of preparation method of above-mentioned automobile-used pipeline, said method comprising the steps of: pipe loads mould to be fixed; With plug with holes, pipe two ends are blocked; Steam heating is shaping; Water-cooled shaping; Pressurized air dries up; Shapingly to complete.The present invention can prevent nylon tube from moulding process, occurring distortion and rebound phenomenon, can enhance productivity on the one hand, reduces the Energy efficiency of moulding process, can guarantee the Forming Quality of pipe on the other hand.
Description
Technical field
The present invention relates to the pipeline used in a kind of automobile, automobile-used pipeline particularly relating to a kind of steam molding and preparation method thereof.Belong to technical field of automobile parts.
Background technology
Already adopted nylon tube to carry out alternative metals pipe in garage at present, be used on each pipeline of automobile, and often needed man-hour this for nylon tube thermoplastic pipe to be shaped to specific pipeline shape adding, to adapt to the space requirement that pipeline is installed.When thermoplastic pipe is shaping, usually thermoplastic pipe is fixed on and has in the mold of specified shape, utilize the thermoplasticity of pipe, by heating, straight tube is shaped to the specified shape corresponding with mold.
Traditional Pipe forming technique realizes by baking type is shaping, adopts thermoforming ovens to carry out shaping.It is applicable for using thermoforming ovens to carry out the shaping pipe for exemplar and short run of thermoplastic pipe, but for large batch of thermoplastic pipe is shaping, the shaping time is longer, and current consumption is very high, so not only wastes the energy, also reduces production efficiency simultaneously.In order to make up this defect as far as possible, generally can make ten covers or more mold and carry out baking molding simultaneously, but the tubular shape utilizing more mold to form out may not necessarily reach on all four effect, thus cause relative quality problems.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, a kind of automobile-used pipeline and preparation method thereof is provided, not only can raises the efficiency but also greatly reduce energy consumption, guarantee the Forming Quality of pipeline simultaneously.
The object of the present invention is achieved like this: a kind of automobile-used pipeline, and described pipeline adopts nylon material to be major ingredient, and softening agent, fire retardant, thermo-stabilizer are auxiliary material, and described auxiliary material also comprises glass microballon and silicone, and the weight proportion of described material is:
Nylon 100 parts
0.5 part, softening agent
Fire retardant 0.8 part
Thermo-stabilizer 0.6 part
Glass microballon 5 parts
Silicone 0.5 part.
The present invention also provides a kind of preparation method of above-mentioned automobile-used pipeline, said method comprising the steps of:
Step one, straight pipe that will be shaping move towards to embed mould, with the compactor on mould tube grip along mould;
After step 2, tube grip, with the plug of middle with hole, the two ends of pipe are blocked;
Step 3, beginning lead to steam toward the pipe in mould, and the temperature of steam is 100 ~ 140 DEG C, and the pressure of steam is 3 ~ 5bar, and the time length is 10 ~ 60s;
Step 4, lead to water coolant carry out water-cooled shaping toward the pipe in mould, the temperature of water coolant is 10 ~ 20 DEG C, and the pressure of water coolant is 3 ~ 5bar, and the time length is 10 ~ 60s;
Step 5, lead to pressurized air dry up toward the pipe in mould, compressed-air actuated pressure is 6 ~ 8bar, and the time length is 5 ~ 20s;
Step 6, pipe to be taken off from mould, shapingly to complete.
Glass microballon is the hollow glass microbead body material of fine coal cooling formation rapidly after high heat burnout, and this is a kind of new packing.The main component of glass microballon is SiO2 and Al2O3, and outward appearance is greyish white or grey, loose, good fluidity, in have hard shell in vain, be N2 and CO2 rare gas element in shell.Using as filler for plastic, is one of a few low-shrinkage filler that the world today can meet packing material industry needs.
When the material adding hollow glass micropearl generally has a forming process, viscosity change is small, and without anisotropy, dispersed stress concentration is few, and be easy to by advantages such as plastics substrate infiltrations, thus the application of this kind of filler is more and more wider.
Glass microballon is filled polymeric amide and is had following characteristic:
1, glass microballon fills the mechanical property a of polymeric amide, the increase with glass microballon content, and the tensile strength being filled material rises.
B, increase with the content of glass microballon, the shock strength of material is fallen after rising low.The optimum filling amount of glass microballon affects by the kind of polymeric amide and the factor such as the particle diameter of molecular weight and glass microballon and surface treatment.When glass microballon content is less than optimum value, glass microballon can absorb a part of impact energy, and On Crack Propagation plays inhibition, and thus shock strength improves; But after glass microballon content is greater than optimum value, glass microballon is likely piled up, form particle agglomeration, thus become material by weak link during External Force Acting, easily cause Ying Jili to concentrate.Cause the destruction of material, thus cause shock strength to reduce.
2, glass microballon fills the increase of resistance toheat with glass microballon content of polymeric amide, the heat resisting temperature of material improves, due to glass microballon in polymeric amide can until the speed of response that slows down, keep chemical equilibrium, reduce surface tension, rock steady structure and improve the effect of goods thermostabilitys, thus the material aging that light and heat causes can be prevented.
3, glass microballon fills the increase of surface hardness with glass microballon content of polymeric amide, and the surface hardness of material increases.Because glass microballon is rigid filled, fill it in polymeric amide and the rigidity of material and hardness can be made all to be improved.
4, glass microballon fills the dimensional stability of polymeric amide
The coefficient of expansion of glass microballon is little, in addition isotropy, therefore effectively can reduce shrink of product, prevents that the goods that cause because of unrelieved stress are bending, buckling deformation etc., and the dimensional stability of goods is high.
Because glass microballon has water-absorbent, after water suction, glass microballon just has the tendency of cohesion, thus causes the difficulty of dispersion, and in order to prevent this tendency, by glass microballon surface bag with waterproof layer, silicone is the most effective water-resisting agent, and the amount adding silicone is 0.5%.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention improves surface hardness and the plasticity-of nylon tube by adding glass microballon material in nylon material, prevent nylon tube from moulding process, occurring distortion and rebound phenomenon, add silicone to improve the dispersiveness of glass microballon simultaneously, the present invention is directed to above-mentioned materials adopts the processing method of steam molding to realize the shaping of nylon tube, can enhance productivity on the one hand, the Energy efficiency of moulding process can be reduced on the other hand.
Embodiment
The present invention relates to a kind of automobile-used pipeline, described pipeline adopts nylon material to be major ingredient, and softening agent, fire retardant, thermo-stabilizer are auxiliary material, and described auxiliary material also comprises glass microballon and silicone, and the weight proportion of described material is:
Nylon 100 parts
0.5 part, softening agent
Fire retardant 0.8 part
Thermo-stabilizer 0.6 part
Glass microballon 5 parts
Silicone 0.5 part.
The invention still further relates to a kind of preparation method of above-mentioned automobile-used pipeline, said method comprising the steps of:
Step one, by needing shaping straight tube move towards embedding along mould, with the compactor on mould tube grip, prevent pipe from jumping out;
After step 2, tube grip, with the plug of middle with hole, the two ends of pipe are blocked, prevent from revealing;
Step 3, beginning be logical steam in pipe, and steam source is in high-duty boiler, and the temperature of steam is 100 ~ 140 DEG C, the pressure of steam is 3 ~ 5bar, time length is 10 ~ 60s, and the time passing into steam is relevant with the shape and size of pipe, and the complex-shaped words time is president just;
Step 4, carry out water-cooled shaping, water coolant is pure water, constantly recycles after being cooled by cooling-water machine, and the temperature of water coolant is 10 ~ 20 DEG C, and the pressure of water coolant is 3 ~ 5bar, and the time length is 10 ~ 60s;
Step 5, pass into pressurized air dry up in the pipe on mould, compressed-air actuated pressure is 6 ~ 8bar, and the time length is 5 ~ 20s;
Step 6, pipe to be taken off from mould, shapingly to complete.
Claims (1)
1. a preparation method for automobile-used pipeline, described pipeline adopts nylon material to be major ingredient, and softening agent, fire retardant, thermo-stabilizer are auxiliary material, and described auxiliary material also comprises glass microballon and silicone, and the weight proportion of described material is:
Nylon 100 parts
0.5 part, softening agent
Fire retardant 0.8 part
Thermo-stabilizer 0.6 part
Glass microballon 5 parts
Silicone 0.5 part
It is characterized in that said method comprising the steps of:
Step one, straight pipe that will be shaping move towards to embed mould, with the compactor on mould tube grip along mould;
After step 2, tube grip, with the plug of middle with hole, the two ends of pipe are blocked;
Step 3, beginning lead to steam toward the pipe in mould, and the temperature of steam is 100 ~ 140 DEG C, and the pressure of steam is 3 ~ 5bar, and the time length is 10 ~ 60s;
Step 4, lead to water coolant carry out water-cooled shaping toward the pipe in mould, the temperature of water coolant is 10 ~ 20 DEG C, and the pressure of water coolant is 3 ~ 5bar, and the time length is 10 ~ 60s;
Step 5, lead to pressurized air dry up toward the pipe in mould, compressed-air actuated pressure is 6 ~ 8bar, and the time length is 5 ~ 20s;
Step 6, pipe to be taken off from mould, shapingly to complete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210482375.7A CN102993689B (en) | 2012-11-26 | 2012-11-26 | Automobile-used pipeline and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210482375.7A CN102993689B (en) | 2012-11-26 | 2012-11-26 | Automobile-used pipeline and preparation method thereof |
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| CN102993689A CN102993689A (en) | 2013-03-27 |
| CN102993689B true CN102993689B (en) | 2015-11-18 |
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| CN201210482375.7A Active CN102993689B (en) | 2012-11-26 | 2012-11-26 | Automobile-used pipeline and preparation method thereof |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015767A (en) * | 2016-05-31 | 2016-10-12 | 太仓斯普宁精密机械有限公司 | Safe flame-retardant and durable composite part |
| CN112795180A (en) * | 2020-12-05 | 2021-05-14 | 浙江能兴电气科技有限公司 | Preparation method of enhanced automobile motor controller top cover |
| CN113980462A (en) * | 2021-10-25 | 2022-01-28 | 江阴标榜汽车部件股份有限公司 | Hydrolysis-resistant light corrugated pipe and processing technology thereof |
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| CN101038054A (en) * | 2007-04-10 | 2007-09-19 | 林和平 | Plastic telescopic pipe and method for manufacturing same |
| CN101200591A (en) * | 2006-12-15 | 2008-06-18 | 上海杰事杰新材料股份有限公司 | Fast-flow high temperature resistant nylon composite material |
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| CN101580636A (en) * | 2009-06-22 | 2009-11-18 | 广州市合诚化学有限公司 | Warpage resistance nylon 6 composite material for vehicle air conditioning air door and preparation method thereof |
| CN102229241A (en) * | 2011-06-03 | 2011-11-02 | 河北亚大汽车塑料制品有限公司 | Device and method for steam molding of thermoplastic pipe |
| CN102702733A (en) * | 2012-06-15 | 2012-10-03 | 东莞市意普万尼龙科技股份有限公司 | Composite material special for blow molding of reinforced nylon air inlet pipe and preparation method thereof |
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2012
- 2012-11-26 CN CN201210482375.7A patent/CN102993689B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2910538Y (en) * | 2006-05-16 | 2007-06-13 | 郑合根 | Tube bender of plastic tube |
| CN101200591A (en) * | 2006-12-15 | 2008-06-18 | 上海杰事杰新材料股份有限公司 | Fast-flow high temperature resistant nylon composite material |
| CN101038054A (en) * | 2007-04-10 | 2007-09-19 | 林和平 | Plastic telescopic pipe and method for manufacturing same |
| CN101314672A (en) * | 2008-06-30 | 2008-12-03 | 上海日之升新技术发展有限公司 | High-gloss, low-smell, reinforced nylon composite material and preparation method thereof |
| CN101580636A (en) * | 2009-06-22 | 2009-11-18 | 广州市合诚化学有限公司 | Warpage resistance nylon 6 composite material for vehicle air conditioning air door and preparation method thereof |
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| CN102993689A (en) | 2013-03-27 |
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Address after: 214421 Jiangsu city in Wuxi Province town of Hua Jiangyin Huaxi Village nine Mongolia Nalu No. 1 Patentee after: Jiangyin automotive components Limited by Share Ltd Address before: 214421 Jiangsu city in Wuxi Province town of Hua Jiangyin Huaxi Village nine Mongolia Nalu No. 1 Patentee before: Jiangyin Biaobang Auto Parts Co., Ltd. |