CN102516651B - Automobile wiring harness plastic protective frame and manufacturing method thereof - Google Patents
Automobile wiring harness plastic protective frame and manufacturing method thereof Download PDFInfo
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- CN102516651B CN102516651B CN 201110374683 CN201110374683A CN102516651B CN 102516651 B CN102516651 B CN 102516651B CN 201110374683 CN201110374683 CN 201110374683 CN 201110374683 A CN201110374683 A CN 201110374683A CN 102516651 B CN102516651 B CN 102516651B
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- plastic protective
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Abstract
The invention discloses an automobile wiring harness plastic protective frame and a manufacturing method thereof. The manufacturing method mainly includes: adding dried proportioned raw materials in a warmed-up injection molding machine, setting injection pressure, speed, injection time and injection glue quantity of different sections of the injection molding machine, simultaneously setting final holding pressure and holding speed which arrive optimum injection technology and obtaining a final acceptable product. The automobile wiring harness plastic protective frame and the manufacturing method of the automobile wiring harness plastic protective frame overcome shortcomings that the injection-molded automobile wiring harness plastic protective frame is easy to have while-pulling and crack, poor in toughness and low in strength and other physical properties while being molded, simultaneously are stable in the injection technology and quality of the obtained product, improve production efficiency, and reduce production cost.
Description
Background technology
The present invention relates to a kind of automobile wiring harness plastic protective frame and manufacture method thereof, belong to technical field of automobile parts.
Background technology
Traditional automotive wire bundle is fixed by snap on vehicle body, produces interference for avoiding wire harness to contact with other component, need to carry out strict control for the size of wire harness.This mode easily causes the skew of wire harness, beam size is wayward, the partially short situation of size may appear, thereby have influence on the assembling of wire harness, in the situation that assembling by force, the tensile stress that produces on wire harness is larger, and wire harness easily damages, have influence on the performance of automobile, even affect driving safety when serious.
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 automobile wiring harness plastic protective frame and manufacture method thereof, the automobile wiring harness plastic protective frame 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:
Automobile wiring harness plastic protective frame is characterized in that its constitutive material comprises composition A and composition B, described composition A: polypropylene 75-85 part and elastomerics SBS 15-25 part; Composition B: natural fiber 45-55 part, paracril 3-8 part, acrylic resin 5-10 part, trimeric cyanamide 15-20 part, nano-calcium carbonate 15-25 part, silane coupling agent 3-5 part, tetrafluoroethylene 5-15 part, polyethylene wax 5-10 part, plumbous oxide 3-5 part, lipid acid 3-8 part and attapulgite 5-10 part.
The manufacture method of described automobile wiring harness plastic protective frame is characterized in that comprising the following steps:
(1) will carry out drying treatment after polypropylene and elastomerics SBS raw material ratio, drying temperature is 80-100 ℃, and be 1-2 hour time of drying, mixes, and adds dryer, dries 24-28h under 140-160 ℃;
(2) weight part by composition B raw material takes 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, dries 24-28h under 140-160 ℃;
(3) two groups of dried starting material are joined in injection moulding machine;
(4) temperature of injection moulding machine heating zone is set: 225 ± 5 ℃ of first paragraphs, 220 ± 5 ℃ of second segments, the 3rd section 215 ± 5 ℃, the 4th section 210 ± 5 ℃, the 5th section 205 ± 5 ℃;
(5) injection moulding section molding technique parameter:
A, first paragraph adopt the middle pressure of 65-75Mpa, the high speed speed injection of 85-95m/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 60-70Mpa, the high-speed injection of 80-90m/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 automobile wiring harness plastic protective frame 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: automobile wiring harness plastic protective frame, its constitutive material comprise composition A and composition B, described composition A: 15 parts of 75 parts of polypropylene and elastomerics SBS; Composition B: 5 parts of 45 parts, natural fiber, 3 parts of paracrils, 5 parts of acrylic resins, 15 parts of trimeric cyanamides, 15 parts of nano-calcium carbonates, 3 parts of silane coupling agents, 5 parts of tetrafluoroethylene, 5 parts of polyethylene waxs, 3 parts, plumbous oxide, 3 parts, lipid acid and attapulgites.
The manufacture method of automobile wiring harness plastic protective frame comprises the following steps:
(1) will carry out drying treatment after polypropylene and elastomerics SBS raw material ratio, drying temperature is 80-100 ℃, and be 1-2 hour time of drying, mixes, and adds dryer, dries 24-28h under 140-160 ℃;
(2) weight part by composition B raw material takes 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, dries 24-28h under 140-160 ℃;
(3) two groups of dried starting material are joined in injection moulding machine;
(4) temperature of injection moulding machine heating zone is set: 225 ± 5 ℃ of first paragraphs, 220 ± 5 ℃ of second segments, the 3rd section 215 ± 5 ℃, the 4th section 210 ± 5 ℃, the 5th section 205 ± 5 ℃;
(5) injection moulding section molding technique parameter:
A, first paragraph adopt the middle pressure of 65-75Mpa, the high speed speed injection of 85-95m/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 60-70Mpa, the high-speed injection of 80-90m/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: automobile wiring harness plastic protective frame, its constitutive material comprise composition A and composition B, described composition A: 25 parts of 85 parts of polypropylene and elastomerics SBS; Composition B: 10 parts of 55 parts, natural fiber, 8 parts of paracrils, 10 parts of acrylic resins, 20 parts of trimeric cyanamides, 25 parts of nano-calcium carbonates, 5 parts of silane coupling agents, 15 parts of tetrafluoroethylene, 10 parts of polyethylene waxs, 5 parts, plumbous oxide, 8 parts, lipid acid and attapulgites.
The manufacture method of automobile wiring harness plastic protective frame comprises the following steps:
(1) will carry out drying treatment after polypropylene and elastomerics SBS raw material ratio, drying temperature is 80-100 ℃, and be 1-2 hour time of drying, mixes, and adds dryer, dries 24-28h under 140-160 ℃;
(2) weight part by composition B raw material takes 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, dries 24-28h under 140-160 ℃;
(3) two groups of dried starting material are joined in injection moulding machine;
(4) temperature of injection moulding machine heating zone is set: 225 ± 5 ℃ of first paragraphs, 220 ± 5 ℃ of second segments, the 3rd section 215 ± 5 ℃, the 4th section 210 ± 5 ℃, the 5th section 205 ± 5 ℃;
(5) injection moulding section molding technique parameter:
A, first paragraph adopt the middle pressure of 65-75Mpa, the high speed speed injection of 85-95m/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 60-70Mpa, the high-speed injection of 80-90m/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 automobile wiring harness plastic protective frame that the present invention makes:
Claims (1)
1. the manufacture method of an automobile wiring harness plastic protective frame, is characterized in that its constitutive material comprises composition A and composition B, described composition A: polypropylene 75-85 part and elastomerics SBS
15-25 part; Composition B: natural fiber 45-55 part, paracril 3-8 part, acrylic resin 5-10 part, trimeric cyanamide 15-20 part, nano-calcium carbonate 15-25 part, silane coupling agent 3-5 part, tetrafluoroethylene 5-15 part, polyethylene wax 5-10 part, plumbous oxide 3-5 part, lipid acid 3-8 part and attapulgite 5-10 part;
Comprise the following steps:
(1) will carry out drying treatment after polypropylene and elastomerics SBS raw material ratio, drying temperature is 80-100 ℃, and be 1-2 hour time of drying, mixes, and adds dryer, dries 24-28h under 140-160 ℃;
(2) weight part by composition B raw material takes 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, dries 24-28h under 140-160 ℃;
(3) two groups of dried starting material are joined in injection moulding machine;
(4) temperature of injection moulding machine heating zone is set: 225 ± 5 ℃ of first paragraphs, 220 ± 5 ℃ of second segments, the 3rd section 215 ± 5 ℃, the 4th section 210 ± 5 ℃, the 5th section 205 ± 5 ℃;
(5) injection moulding section molding technique parameter:
A, first paragraph adopt the middle pressure of 65-75 Mpa, the high speed speed injection of 85-95m/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 60-70 Mpa, the high-speed injection of 80-90m/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 201110374683 CN102516651B (en) | 2011-11-23 | 2011-11-23 | Automobile wiring harness plastic protective frame and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110374683 CN102516651B (en) | 2011-11-23 | 2011-11-23 | Automobile wiring harness plastic protective frame and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102516651A CN102516651A (en) | 2012-06-27 |
| CN102516651B true CN102516651B (en) | 2013-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110374683 Expired - Fee Related CN102516651B (en) | 2011-11-23 | 2011-11-23 | Automobile wiring harness plastic protective frame and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102516651B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL1031373C2 (en) * | 2006-03-15 | 2007-09-18 | Arends Ind Laminering B V | Mat with top layer of wear resistant material, especially doormat, contains thermoplastic elastomer base layer |
| CN101423637A (en) * | 2008-12-10 | 2009-05-06 | 长春工业大学 | Saloon car bumper special material capable of direct spray coating |
-
2011
- 2011-11-23 CN CN 201110374683 patent/CN102516651B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL1031373C2 (en) * | 2006-03-15 | 2007-09-18 | Arends Ind Laminering B V | Mat with top layer of wear resistant material, especially doormat, contains thermoplastic elastomer base layer |
| CN101423637A (en) * | 2008-12-10 | 2009-05-06 | 长春工业大学 | Saloon car bumper special material capable of direct spray coating |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102516651A (en) | 2012-06-27 |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130626 Termination date: 20151123 |