CN102516643B - Plastic bracket and manufacturing method thereof - Google Patents
Plastic bracket and manufacturing method thereof Download PDFInfo
- Publication number
- CN102516643B CN102516643B CN 201110374634 CN201110374634A CN102516643B CN 102516643 B CN102516643 B CN 102516643B CN 201110374634 CN201110374634 CN 201110374634 CN 201110374634 A CN201110374634 A CN 201110374634A CN 102516643 B CN102516643 B CN 102516643B
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- Prior art keywords
- injection
- polypropylene
- drying
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- product
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000004519 manufacturing process Methods 0.000 title claims abstract 7
- 239000004033 plastic Substances 0.000 title claims abstract 6
- 238000002347 injection Methods 0.000 claims abstract 11
- 239000007924 injection Substances 0.000 claims abstract 11
- 238000001746 injection moulding Methods 0.000 claims abstract 11
- 239000003292 glue Substances 0.000 claims abstract 5
- 239000002994 raw material Substances 0.000 claims abstract 4
- 238000001035 drying Methods 0.000 claims 11
- 239000004743 Polypropylene Substances 0.000 claims 8
- -1 polypropylene Polymers 0.000 claims 8
- 229920001155 polypropylene Polymers 0.000 claims 8
- 239000000203 mixture Substances 0.000 claims 5
- 238000000034 method Methods 0.000 claims 4
- 238000000465 moulding Methods 0.000 claims 4
- 239000000463 material Substances 0.000 claims 3
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 claims 2
- 238000010438 heat treatment Methods 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 2
- 239000004925 Acrylic resin Substances 0.000 claims 1
- 229920000178 Acrylic resin Polymers 0.000 claims 1
- 239000004593 Epoxy Substances 0.000 claims 1
- 235000002918 Fraxinus excelsior Nutrition 0.000 claims 1
- 239000002956 ash Substances 0.000 claims 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims 1
- 229910000019 calcium carbonate Inorganic materials 0.000 claims 1
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Substances [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims 1
- 239000003365 glass fiber Substances 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- 229920002545 silicone oil Polymers 0.000 claims 1
- 239000007858 starting material Substances 0.000 claims 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims 1
- 238000005303 weighing Methods 0.000 claims 1
- 230000007547 defect Effects 0.000 abstract 1
- 230000036314 physical performance Effects 0.000 abstract 1
- 230000009466 transformation Effects 0.000 abstract 1
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a plastic bracket and a manufacturing method thereof. The manufacturing method of the plastic bracket mainly comprises the following steps of: adding dried and proportioned raw materials into a heated injection molding machine; and obtaining a final qualified product by setting injection pressure, speeds, injection time and injection glue amounts of the injection molding machine in different sections, and setting final holding pressure and a holding speed to reach an optimal injection molding process. The defects in physical performances of the product, such as transformation, fracture and bad toughness, are overcome when the plastic bracket is molded through injection molding. Meanwhile, the injection molding process is stable, the quality of the obtained product is stable, the production efficiency is improved and the production cost is reduced.
Description
Background technology
The present invention relates to a kind of plastic stent and manufacture method thereof, belong to Material Field.
Background technology
Progress along with society, the automobile demand amount is ignorant of increasing, yet automobile discharges a large amount of pollutents when consuming great amount of fuel oil, atmospheric environment is caused severe contamination, the oil consumption of automobile and the sole mass of automobile have close relationship, it is reported and to save fuel oil 0.2-0.3L/100Km by the every minimizing of automobile sole mass 100KG.Current, plastics are total also lower with the material ratio of automobile, and along with to the light-weighted attention of automobile sole mass, the ratio of plastics will bring up to approximately 31%.
The support of automobile mainly adopts steel plate punched welding support, cast iron and steel support or aluminium alloy post at present.The quality of these supports is heavier, does not reach the purpose that alleviates complete vehicle weight, and demand provides a kind of New-support and manufacture method.
Summary of the invention
In order to alleviate shortcomings and deficiencies of the prior art, the object of the present invention is to provide a kind of plastic stent and manufacture method thereof, the plastic stent product when moulding that the invention solves injection moulding is prone to and draws the physicals defectives such as white, fracture, poor toughness, intensity be low, this Shooting Technique is stable simultaneously, the products obtained therefrom steady quality, improve production efficiency, reduced production cost.
The present invention adopts following technical scheme to achieve these goals:
Plastic stent is characterized in that the weight part of its constitutive material is: polypropylene 45-55 part and polypropylene+30%GF 45-55 part.
The manufacture method of plastic stent is characterized in that may further comprise the steps:
(1) will carry out drying treatment behind polypropylene and the polypropylene+30%GF raw material ratio, drying temperature is 80-100 ℃, and be 1-2 hour time of drying, mixes, and adds dryer, at 140-160 ℃ of lower oven dry 24-28h;
(2) step that drying is good (1) material joins in the injection moulding machine;
(3) temperature of injection moulding machine heating zone is set: 220 ± 5 ℃ of first paragraphs, 215 ± 5 ℃ of second segments, the 3rd section 210 ± 5 ℃, the 4th section 205 ± 5 ℃, the 5th section 200 ± 5 ℃;
(4) injection moulding section molding technique parameter:
A, first paragraph adopt the middle pressure of 65-70Mpa, the lower velocity injection of 40-50m/s, and be 1.0-1.5 second inject time, and injection glue amount is to the 78-80% of product;
B, second segment adopt the middle pressure of 55-65Mpa, the lower velocity injection of 25-35m/s, and be 0.5-1.0 second inject time, and injection glue amount is to 100% of water port of product;
(5) moulding, depanning.
Plastic stent is characterized in that its constitutive material comprises composition A and composition B, described composition A: polypropylene 45-55 part and polypropylene+30%GF 45-55 part; Composition B: glass fibre 45-55 part, acrylic resin 5-10 part, Resins, epoxy 10-15 part, nano-calcium carbonate 15-25 part, silicone oil 3-5 part, tetrafluoroethylene 5-15 part, barium oxide 3-5 part, stalk ashes 3-5 part and wilkinite 2-3 part.
The manufacture method of described plastic stent is characterized in that may further comprise the steps:
(1) will carry out drying treatment behind polypropylene and the polypropylene+30%GF raw material ratio, drying temperature is 80-100 ℃, and be 1-2 hour time of drying, mixes, and adds dryer, at 140-160 ℃ of lower oven dry 24-28h;
(2) weight part by composition B raw material takes by weighing each raw material, carries out drying treatment, and drying temperature is 120-150 ℃, and be 3-5 hour time of drying, mixes, and adds dryer, at 140-160 ℃ of lower oven dry 24-28h;
(3) two groups of starting material that drying is good join in the injection moulding machine;
(4) temperature of injection moulding machine heating zone is set: 220 ± 5 ℃ of first paragraphs, 215 ± 5 ℃ of second segments, the 3rd section 210 ± 5 ℃, the 4th section 205 ± 5 ℃, the 5th section 200 ± 5 ℃;
(5) injection moulding section molding technique parameter:
A, first paragraph adopt the middle pressure of 65-70Mpa, the lower velocity injection of 40-50m/s, and be 1.0-1.5 second inject time, and injection glue amount is to the 78-80% of product;
B, second segment adopt the middle pressure of 55-65Mpa, the lower velocity injection of 25-35m/s, and be 0.5-1.0 second inject time, and injection glue amount is to 100% of water port of product;
(6) moulding, depanning.
Beneficial effect of the present invention:
The plastics plastic stent product when moulding that the invention solves injection moulding is prone to and draws the physicals defectives such as white, fracture, poor toughness, intensity be low, this Shooting Technique is stable simultaneously, the products obtained therefrom steady quality has improved production efficiency, has reduced production cost.
Embodiment
Embodiment 1: plastic stent, its constitutive material comprise composition A and composition B, described composition A: 45 parts of 45 parts of polypropylene and polypropylene+30%GF; Composition B: 2 parts of 45 parts in glass fibre, 5 parts of acrylic resins, 10 parts of Resins, epoxy, 15 parts of nano-calcium carbonates, 3 parts of silicone oil, 5 parts of tetrafluoroethylene, 3 parts in barium oxide, 3 parts in stalk ashes and wilkinites.
The manufacture method of plastic stent may further comprise the steps:
(1) will carry out drying treatment behind polypropylene and the polypropylene+30%GF raw material ratio, drying temperature is 80-100 ℃, and be 1-2 hour time of drying, mixes, and adds dryer, at 140-160 ℃ of lower oven dry 24-28h;
(2) weight part by composition B raw material takes by weighing each raw material, carries out drying treatment, and drying temperature is 120-150 ℃, and be 3-5 hour time of drying, mixes, and adds dryer, at 140-160 ℃ of lower oven dry 24-28h;
(3) two groups of starting material that drying is good join in the injection moulding machine;
(4) temperature of injection moulding machine heating zone is set: 220 ± 5 ℃ of first paragraphs, 215 ± 5 ℃ of second segments, the 3rd section 210 ± 5 ℃, the 4th section 205 ± 5 ℃, the 5th section 200 ± 5 ℃;
(5) injection moulding section molding technique parameter:
A, first paragraph adopt the middle pressure of 65-70Mpa, the lower velocity injection of 40-50m/s, and be 1.0-1.5 second inject time, and injection glue amount is to the 78-80% of product;
B, second segment adopt the middle pressure of 55-65Mpa, the lower velocity injection of 25-35m/s, and be 0.5-1.0 second inject time, and injection glue amount is to 100% of water port of product;
(6) moulding, depanning.
Embodiment 2: plastic stent, its constitutive material comprise composition A and composition B, described composition A: 55 parts of 55 parts of polypropylene and polypropylene+30%GF; Composition B: 3 parts of 55 parts in glass fibre, 10 parts of acrylic resins, 15 parts of Resins, epoxy, 25 parts of nano-calcium carbonates, 5 parts of silicone oil, 15 parts of tetrafluoroethylene, 5 parts in barium oxide, 5 parts in stalk ashes and wilkinites.
The manufacture method of plastic stent may further comprise the steps:
(1) will carry out drying treatment behind polypropylene and the polypropylene+30%GF raw material ratio, drying temperature is 80-100 ℃, and be 1-2 hour time of drying, mixes, and adds dryer, at 140-160 ℃ of lower oven dry 24-28h;
(2) weight part by composition B raw material takes by weighing each raw material, carries out drying treatment, and drying temperature is 120-150 ℃, and be 3-5 hour time of drying, mixes, and adds dryer, at 140-160 ℃ of lower oven dry 24-28h;
(3) two groups of starting material that drying is good join in the injection moulding machine;
(4) temperature of injection moulding machine heating zone is set: 220 ± 5 ℃ of first paragraphs, 215 ± 5 ℃ of second segments, the 3rd section 210 ± 5 ℃, the 4th section 205 ± 5 ℃, the 5th section 200 ± 5 ℃;
(5) injection moulding section molding technique parameter:
A, first paragraph adopt the middle pressure of 65-70Mpa, the lower velocity injection of 40-50m/s, and be 1.0-1.5 second inject time, and injection glue amount is to the 78-80% of product;
B, second segment adopt the middle pressure of 55-65Mpa, the lower velocity injection of 25-35m/s, and be 0.5-1.0 second inject time, and injection glue amount is to 100% of water port of product;
(6) moulding, depanning.
The Performance Detection of the plastic stent that the present invention makes:
Claims (2)
1. a plastic stent is characterized in that the weight part of its constitutive material is: polypropylene 45-55 part and polypropylene+30%GF
45-55 part;
Its manufacture method may further comprise the steps:
(1) will carry out drying treatment behind polypropylene and the polypropylene+30%GF raw material ratio, drying temperature is 80-100 ℃, and be 1-2 hour time of drying, mixes, and adds dryer, at 140-160 ℃ of lower oven dry 24-28h;
(2) step that drying is good (1) material joins in the injection moulding machine;
(3) temperature of injection moulding machine heating zone is set: 220 ± 5 ℃ of first paragraphs, 215 ± 5 ℃ of second segments, the 3rd section 210 ± 5 ℃, the 4th section 205 ± 5 ℃, the 5th section 200 ± 5 ℃;
(4) injection moulding section molding technique parameter:
A, first paragraph adopt the middle pressure of 65-70 MPa, the lower velocity injection of 40-50m/s, and be 1.0-1.5 second inject time, and injection glue amount is to the 78-80% of product;
B, second segment adopt the middle pressure of 55-65 MPa, the lower velocity injection of 25-35m/s, and be 0.5-1.0 second inject time, and injection glue amount is to 100% of water port of product;
(5) moulding, depanning.
2. a plastic stent is characterized in that its constitutive material comprises composition A and composition B, described composition A: polypropylene 45-55 part and polypropylene+30%GF
45-55 part; Composition B: glass fibre 45-55 part, acrylic resin 5-10 part, Resins, epoxy 10-15 part, nano-calcium carbonate 15-25 part, silicone oil 3-5 part, tetrafluoroethylene 5-15 part, barium oxide 3-5 part, stalk ashes 3-5 part and wilkinite 2-3 part;
Its manufacture method may further comprise the steps:
(1) will carry out drying treatment after polypropylene and the polypropylene+30%GF proportioning, drying temperature is 80-100 ℃, and be 1-2 hour time of drying, mixes, and adds dryer, at 140-160 ℃ of lower oven dry 24-28h;
(2) weight part by composition B raw material takes by weighing each raw material, carries out drying treatment, and drying temperature is 120-150 ℃, and be 3-5 hour time of drying, mixes, and adds dryer, at 140-160 ℃ of lower oven dry 24-28h;
(3) two groups of starting material that drying is good join in the injection moulding machine;
(4) temperature of injection moulding machine heating zone is set: 220 ± 5 ℃ of first paragraphs, 215 ± 5 ℃ of second segments, the 3rd section 210 ± 5 ℃, the 4th section 205 ± 5 ℃, the 5th section 200 ± 5 ℃;
(5) injection moulding section molding technique parameter:
A, first paragraph adopt the middle pressure of 65-70 MPa, the lower velocity injection of 40-50m/s, and be 1.0-1.5 second inject time, and injection glue amount is to the 78-80% of product;
B, second segment adopt the middle pressure of 55-65 MPa, the lower velocity injection of 25-35m/s, and be 0.5-1.0 second inject time, and injection glue amount is to 100% of water port of product;
(6) moulding, depanning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110374634 CN102516643B (en) | 2011-11-23 | 2011-11-23 | Plastic bracket and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110374634 CN102516643B (en) | 2011-11-23 | 2011-11-23 | Plastic bracket and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102516643A CN102516643A (en) | 2012-06-27 |
| CN102516643B true CN102516643B (en) | 2013-09-18 |
Family
ID=46287736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110374634 Expired - Fee Related CN102516643B (en) | 2011-11-23 | 2011-11-23 | Plastic bracket and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102516643B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107345602A (en) * | 2016-05-04 | 2017-11-14 | 广州金发碳纤维新材料发展有限公司 | A kind of flexible composite pipe and its manufacture method |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104960135A (en) * | 2015-04-30 | 2015-10-07 | 苏州乔布注塑工业有限公司 | PP plastic injection molding process |
| CN105196467B (en) * | 2015-09-24 | 2018-03-09 | 杭州多宝电子有限公司 | A kind of preparation method of planet wheel seat |
| CN105566855A (en) * | 2015-12-22 | 2016-05-11 | 安徽省春谷3D打印智能装备产业技术研究院有限公司 | Bentonite 3D printer bracket and preparation method thereof |
| CN109109258A (en) * | 2017-06-26 | 2019-01-01 | 湖南雨创环保工程有限公司 | A kind of formula and preparation process of rainwater water storage module |
| CN112011119A (en) * | 2019-05-29 | 2020-12-01 | 惠州视维新技术有限公司 | Long glass fiber reinforced polypropylene material, base support component and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1039820A (en) * | 1988-06-13 | 1990-02-21 | 海蒙公司 | High-melt-flow fiber-reinforced polypropylene compositions |
-
2011
- 2011-11-23 CN CN 201110374634 patent/CN102516643B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1039820A (en) * | 1988-06-13 | 1990-02-21 | 海蒙公司 | High-melt-flow fiber-reinforced polypropylene compositions |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107345602A (en) * | 2016-05-04 | 2017-11-14 | 广州金发碳纤维新材料发展有限公司 | A kind of flexible composite pipe and its manufacture method |
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| Publication number | Publication date |
|---|---|
| CN102516643A (en) | 2012-06-27 |
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