CN106243464A - The processing method of the effective polytene corrugated tube of automotive exhaust flexible - Google Patents
The processing method of the effective polytene corrugated tube of automotive exhaust flexible Download PDFInfo
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- CN106243464A CN106243464A CN201610776834.0A CN201610776834A CN106243464A CN 106243464 A CN106243464 A CN 106243464A CN 201610776834 A CN201610776834 A CN 201610776834A CN 106243464 A CN106243464 A CN 106243464A
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- temperature
- corrugated tube
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- screw
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/08—Other arrangements or adaptations of exhaust conduits
- F01N13/082—Other arrangements or adaptations of exhaust conduits of tailpipe, e.g. with means for mixing air with exhaust for exhaust cooling, dilution or evacuation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/16—Selection of particular materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1805—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
- F01N13/1811—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body with means permitting relative movement, e.g. compensation of thermal expansion or vibration
- F01N13/1816—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body with means permitting relative movement, e.g. compensation of thermal expansion or vibration the pipe sections being joined together by flexible tubular elements only, e.g. using bellows or strip-wound pipes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention provides the processing method of the effective polytene corrugated tube of a kind of automotive exhaust flexible, 1), by the material mix homogeneously in addition to engineering plastics, it is heated to melting；2), being put in double-screw extruding pelletizing machine by molten material, die head temperature 100 DEG C, twin screw draw ratio is 32, and screw speed is 310 revs/min；3), discharging, be cooled to room temperature, be subsequently adding engineering plastics 15% and be blended and obtain blend composition；4), pelletize, again add heat fusing, then put in double-screw extruding pelletizing machine, die head temperature 100 DEG C, twin screw draw ratio is 32, and screw speed is 310 revs/min；5), discharging, be cooled to room temperature, obtain injection molding material particle；6), by injection machine, injection molding material particle is processed into corrugated tube；7), corrugated tube heat treatment, natural cooling are obtained finished product.The processing method of the effective polytene corrugated tube of automotive exhaust flexible, step is easy, with low cost, less demanding to equipment, and production efficiency is high.
Description
Technical field
The present invention relates to auto industry technical field, particularly relate to the effective polytene corrugated tube of a kind of automotive exhaust flexible
Processing method.
Background technology
The automobile exhaust system waste gas that mainly work of discharge electromotor is discharged, makes the exhaust emission of discharge subtract simultaneously
Little, noise reduces.Automobile exhaust pipe, for the effect of automobile fuselage, plays damping noise reduction, extends the exhausting silencer system life-span
Effect, the main material of exhaustor is rustless steel, usually rigid pipe.May yet with the vibration in vehicle traveling process
The exhaustor shock resistance causing rigidity automobile is poor, affects service life.Therefore, it is necessary to provide a kind of automotive exhaust flexible
Pipe, to solve the problems referred to above.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of automotive exhaust flexible pipe, to solve the row of existing rigidity automobile
Trachea shock resistance is poor, the problem affecting service life.Meanwhile, present invention also offers a kind of effective poly-second of automotive exhaust flexible
Alkene corrugated tube and processing method thereof.
For solving above-mentioned technical problem, the technical solution used in the present invention is:
A kind of automotive exhaust flexible pipe, including the first pipeline and the polytene corrugated tube of described first pipeline connection and with institute
State the second pipeline of polytene corrugated tube connection；It is close that described first pipeline and the junction of described polytene corrugated tube are provided with first
Big envelope；Described second pipeline is provided with the second sealing shroud with the junction of described polytene corrugated tube；Described first pipeline is with described
The equal diameters of the second pipeline.
The diameter of described polytene corrugated tube is more than the diameter of described first pipeline with described second pipeline.
The effective polytene corrugated tube of automotive exhaust flexible, by polyethylene 45%, bisphenol A polycarbonate 5%, polypropylene 5%,
Bulking agent 5%, rigidity masterbatch 3%, antioxidant 2%, light stabilizer 5%, Graphene 5%, silane coupler 5%, 3-acetylaminohydroxyphenylarsonic acid 5-first
Base isoxazole 2%, photomask agent 3% and engineering plastics 15% are made.
The processing method of the effective polytene corrugated tube of automotive exhaust flexible, step is as follows:
1), by the material mix homogeneously in addition to engineering plastics, it is heated to melting；
2), being put in double-screw extruding pelletizing machine by molten material, each section of processing temperature of extruding granulator is respectively set as: 1-
2 district's temperature are 265 DEG C, and 3-4 district temperature is 275 DEG C, and 5-6 district temperature is 285 DEG C, and 7-8 district temperature is 305 DEG C, 9-10 district temperature
It is 310 DEG C, die head temperature 100 DEG C, twin screw draw ratio is 32, and screw speed is 310 revs/min, pelletizing rotating speed is 15 times/
Minute；
3), discharging, be cooled to room temperature, be subsequently adding engineering plastics be blended obtain blend composition；
4), pelletize, again add heat fusing, then put in double-screw extruding pelletizing machine, each section of processing temperature of extruding granulator is divided
Not being set as: 1-2 district temperature is 265 DEG C, 3-4 district temperature is 275 DEG C, and 5-6 district temperature is 285 DEG C, and 7-8 district temperature is 305 DEG C,
9-10 district temperature is 310 DEG C, die head temperature 100 DEG C, and twin screw draw ratio is 32, and screw speed is 310 revs/min, and pelletizing turns
Speed is 15 beats/min；
5), discharging, be cooled to room temperature, obtain injection molding material particle；
6), by injection machine, injection molding material particle is processed into corrugated tube；
7), by corrugated tube being placed in heat treatment 3 hours under 200 DEG C of environment, then natural cooling obtains finished product.
Advantage for present invention with effect is:
1), the automotive exhaust flexible pipe of the present invention, including the first pipeline and described first pipeline connection polytene corrugated tube with
And the second pipeline connected with described polytene corrugated tube；Described first pipeline is provided with the junction of described polytene corrugated tube
First sealing shroud；Described second pipeline is provided with the second sealing shroud with the junction of described polytene corrugated tube；Described first pipeline
Equal diameters with described second pipeline；By arranging polytene corrugated tube between the first pipeline and the second pipeline, effectively keep away
Exempt from, owing to the vibration in vehicle traveling process causes the exhaustor shock resistance of rigidity automobile poor, to affect asking of service life
Topic.
2), the effective polytene corrugated tube of automotive exhaust flexible, compared with existing polyethylene corrugated tubing, under normal temperature condition
Under the conditions of ring stiffness can improve 20%, 45～70 DEG C, ring stiffness can improve 30%；Under normal temperature condition, ring flexibility can improve 15%, with
Time, significantly extend service life.
3), the processing method of the effective polytene corrugated tube of automotive exhaust flexible, step is easy, with low cost, to equipment
Less demanding, production efficiency is high.
Accompanying drawing explanation
The invention will be further described below in conjunction with the accompanying drawings:
Fig. 1 is the schematic diagram under the normal condition of the automotive exhaust flexible pipe of the present invention；
Fig. 2 is the schematic diagram under the case of bending of the automotive exhaust flexible pipe of the present invention.
In figure: the first pipeline 1, polytene corrugated tube the 2, second pipeline the 3, first sealing shroud the 11, second sealing shroud 31.
Detailed description of the invention
Embodiment 1
As shown in Figure 1 to Figure 2, the present invention provides a kind of automotive exhaust flexible pipe, connects with the first pipeline 1 including the first pipeline 1
Polytene corrugated tube 2 and the second pipeline 3 of connecting with polytene corrugated tube 2.By at the first pipeline 1 and the second pipeline 3
Between polytene corrugated tube 2 is set, effectively prevent due to the vibration in vehicle traveling process, cause the exhaustor of rigidity automobile
Shock resistance is poor, the problem affecting service life.
Further, the first pipeline 1 is provided with the first sealing shroud 11 with the junction of polytene corrugated tube 2；Second pipeline 3 is with poly-
The junction of ethylene corrugated tube 2 is provided with the second sealing shroud 31；Effectively prevent the leakage of vehicle exhaust, strengthen the exhaustor of automobile
Sealing.First pipeline 1 and the equal diameters of the second pipeline 3.The diameter of polytene corrugated tube 2 is more than the first pipeline 1 and second
The diameter of pipeline 3.
From above technical scheme, the automotive exhaust flexible pipe of the present invention, connect including the first pipeline 1 and the first pipe 1 tunnel
Logical polytene corrugated tube 2 and the second pipeline 3 connected with polytene corrugated tube 2；First pipeline 1 and polytene corrugated tube 2
Junction be provided with the first sealing shroud 11；Second pipeline 3 is provided with the second sealing shroud 31 with the junction of polytene corrugated tube 2；The
One pipeline 1 and the equal diameters of the second pipeline 3；By arranging polytene corrugated tube 2 between the first pipeline 1 and the second pipeline 3,
Effectively prevent due to the vibration in vehicle traveling process, the exhaustor shock resistance causing rigidity automobile is poor, and impact uses the longevity
The problem of life.
Embodiment 2
The effective polytene corrugated tube of automotive exhaust flexible, by polyethylene 45%, bisphenol A polycarbonate 5%, polypropylene 5%, increase-volume
Agent 5%, rigidity masterbatch 3%, antioxidant 2%, light stabilizer 5%, Graphene 5%, silane coupler 5%, 3-acetylaminohydroxyphenylarsonic acid 5-methyl are different
Azoles 2%, photomask agent 3% and engineering plastics 15% are made.
Embodiment 3
The processing method of the effective polytene corrugated tube of automotive exhaust flexible, step is as follows:
1), by material (the using embodiment 2 proportioning raw material) mix homogeneously in addition to engineering plastics, it is heated to melting；
2), being put in double-screw extruding pelletizing machine by molten material, each section of processing temperature of extruding granulator is respectively set as: 1-
2 district's temperature are 265 DEG C, and 3-4 district temperature is 275 DEG C, and 5-6 district temperature is 285 DEG C, and 7-8 district temperature is 305 DEG C, 9-10 district temperature
It is 310 DEG C, die head temperature 100 DEG C, twin screw draw ratio is 32, and screw speed is 310 revs/min, pelletizing rotating speed is 15 times/
Minute；
3), discharging, be cooled to room temperature, be subsequently adding engineering plastics be blended obtain blend composition；
4), pelletize, again add heat fusing, then put in double-screw extruding pelletizing machine, each section of processing temperature of extruding granulator is divided
Not being set as: 1-2 district temperature is 265 DEG C, 3-4 district temperature is 275 DEG C, and 5-6 district temperature is 285 DEG C, and 7-8 district temperature is 305 DEG C,
9-10 district temperature is 310 DEG C, die head temperature 100 DEG C, and twin screw draw ratio is 32, and screw speed is 310 revs/min, and pelletizing turns
Speed is 15 beats/min；
5), discharging, be cooled to room temperature, obtain injection molding material particle；
6), by injection machine, injection molding material particle is processed into corrugated tube；
7), by corrugated tube being placed in heat treatment 3 hours under 200 DEG C of environment, then natural cooling obtains finished product.
The present invention is not limited to above-described embodiment, and embodiment is exemplary, it is intended to be used for explaining the present invention, and can not
It is interpreted as limitation of the present invention.
Claims (1)
1. the processing method of the effective polytene corrugated tube of automotive exhaust flexible, it is characterised in that step is as follows:
1), by polyethylene 45%, bisphenol A polycarbonate 5%, polypropylene 5%, bulking agent 5%, rigidity masterbatch 3%, antioxidant 2%, light
Stabilizer 5%, Graphene 5%, silane coupler 5%, 3-acetylaminohydroxyphenylarsonic acid 5-methyl isoxazole 2% and photomask agent 3% mix homogeneously,
It is heated to melting；
2), being put in double-screw extruding pelletizing machine by molten material, each section of processing temperature of extruding granulator is respectively set as: 1-
2 district's temperature are 265 DEG C, and 3-4 district temperature is 275 DEG C, and 5-6 district temperature is 285 DEG C, and 7-8 district temperature is 305 DEG C, 9-10 district temperature
It is 310 DEG C, die head temperature 100 DEG C, twin screw draw ratio is 32, and screw speed is 310 revs/min, pelletizing rotating speed is 15 times/
Minute；
3), discharging, be cooled to room temperature, be subsequently adding engineering plastics 15% and be blended and obtain blend composition；
4), pelletize, again add heat fusing, then put in double-screw extruding pelletizing machine, each section of processing temperature of extruding granulator is divided
Not being set as: 1-2 district temperature is 265 DEG C, 3-4 district temperature is 275 DEG C, and 5-6 district temperature is 285 DEG C, and 7-8 district temperature is 305 DEG C,
9-10 district temperature is 310 DEG C, die head temperature 100 DEG C, and twin screw draw ratio is 32, and screw speed is 310 revs/min, and pelletizing turns
Speed is 15 beats/min；
5), discharging, be cooled to room temperature, obtain injection molding material particle；
6), by injection machine, injection molding material particle is processed into corrugated tube；
7), by corrugated tube being placed in heat treatment 3 hours under 200 DEG C of environment, then natural cooling obtains finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610776834.0A CN106243464A (en) | 2016-08-31 | 2016-08-31 | The processing method of the effective polytene corrugated tube of automotive exhaust flexible |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610776834.0A CN106243464A (en) | 2016-08-31 | 2016-08-31 | The processing method of the effective polytene corrugated tube of automotive exhaust flexible |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106243464A true CN106243464A (en) | 2016-12-21 |
Family
ID=58079739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610776834.0A Pending CN106243464A (en) | 2016-08-31 | 2016-08-31 | The processing method of the effective polytene corrugated tube of automotive exhaust flexible |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106243464A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107082936A (en) * | 2017-06-02 | 2017-08-22 | 苏州新区特氟龙塑料制品厂 | A kind of antiultraviolet plastic |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103937075A (en) * | 2014-05-06 | 2014-07-23 | 康泰塑胶科技集团有限公司 | Polyethylene corrugated pipe and preparation method thereof |
| CN104910483A (en) * | 2015-05-26 | 2015-09-16 | 浙江中财管道科技股份有限公司 | High-density polyethylene double-wall corrugated pipe |
| CN105061865A (en) * | 2015-08-09 | 2015-11-18 | 杨雪松 | Special raw material for novel municipal double-wall corrugated pipe and production process thereof |
-
2016
- 2016-08-31 CN CN201610776834.0A patent/CN106243464A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103937075A (en) * | 2014-05-06 | 2014-07-23 | 康泰塑胶科技集团有限公司 | Polyethylene corrugated pipe and preparation method thereof |
| CN104910483A (en) * | 2015-05-26 | 2015-09-16 | 浙江中财管道科技股份有限公司 | High-density polyethylene double-wall corrugated pipe |
| CN105061865A (en) * | 2015-08-09 | 2015-11-18 | 杨雪松 | Special raw material for novel municipal double-wall corrugated pipe and production process thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107082936A (en) * | 2017-06-02 | 2017-08-22 | 苏州新区特氟龙塑料制品厂 | A kind of antiultraviolet plastic |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161221 |
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