CN208107357U - A kind of compound oil gas rubber pipe - Google Patents
A kind of compound oil gas rubber pipe Download PDFInfo
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- CN208107357U CN208107357U CN201820625360.4U CN201820625360U CN208107357U CN 208107357 U CN208107357 U CN 208107357U CN 201820625360 U CN201820625360 U CN 201820625360U CN 208107357 U CN208107357 U CN 208107357U
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Abstract
The utility model discloses a kind of compound oil gas rubber pipes, it include sebific duct ontology, sebific duct ontology is two-layer composite, it is made of internal layer rubber layer and outer layer rubber layer, sebific duct ontology passes through the two extruders extrusion molding of T-type complex extruder, internal layer rubber layer is epichlorohydrin rubber layer, and outer layer rubber layer is chlorosulfonated polyethylene rubber layer, and the thickness of internal layer rubber layer is greater than the thickness of the outer layer rubber layer.It the advantage is that：Using two-layer composite, the characteristic of inside and outside layer sizing is made full use of, properties of product can be greatly improved；In addition, the main function of internal layer rubber layer is the erosion in order to overcome oil product to sebific duct, and the main function of outer layer rubber layer is support, sizing, therefore uses the thickness of internal layer rubber layer greater than the design of the thickness of outer layer rubber layer, it can guarantee product quality, improve the service life of product.
Description
Technical field
The utility model relates to automotive hose manufacturing technology field, a kind of especially compound oil gas rubber pipe.
Background technique
The rubber hose that fuel tank of vehicle EVAP Evaporative System and engine crankcase waste gas utilize system to use, must use
Fuel resistance energy is good, fuel oil permeability is low, the sebific duct of good, the resistance to negative pressure of heat aging property.Existing low pressure oil gas rubber pipe material
Material is using nitrile rubber+PVC material single layer structure or nitrile rubber is inner glue layer, polyester fiber is enhancement layer, neoprene is
Outer glue-line material.Its shortcoming is：Heat resistance is poor, and nitrile rubber and chloroprene rubber material are more than 100 DEG C and can accelerate heat
Aging, reduced service life；And the fuel oil permeability of existing rubber hose material is high, is unfavorable for the environmental requirement of fuel emission.
Summary of the invention
For the current state of the art, the technical problem to be solved by the utility model is to provide fuel oil permeability is low, make
Fuel oil long with the service life and heat-resisting, resistance to, a kind of ozone proof compound oil gas rubber pipe.
The utility model solves technical solution used by above-mentioned technical problem：
A kind of compound oil gas rubber pipe includes sebific duct ontology, and sebific duct ontology is two-layer composite, by internal layer rubber layer
It is constituted with outer layer rubber layer, sebific duct ontology passes through the two extruders extrusion molding of T-type complex extruder, and internal layer rubber layer is chlorine
Ether rubber layer, outer layer rubber layer are chlorosulfonated polyethylene rubber layer, and the thickness of internal layer rubber layer is greater than the outer layer rubber layer
Thickness.
The technical measures of optimization further include：
2 times to 5 times of the thickness with a thickness of the outer layer rubber layer of above-mentioned internal layer rubber layer.
Above-mentioned internal layer rubber layer with a thickness of 2.5 mm to 3.5mm.
Above-mentioned outer layer rubber layer with a thickness of 0.5 mm to 1.5mm.
A kind of compound oil gas rubber pipe of the utility model, using two-layer composite, internal layer uses epichlorohydrin rubber layer, heat-resisting
Oil resistant is good, and for outer layer using chlorosulfonated polyethylene rubber layer as support, heat-resisting resistance to ozone is prominent, makes full use of inside and outside layer sizing
Characteristic can greatly improve properties of product；In addition, the main function of internal layer rubber layer is to overcome oil product to invade sebific duct
Erosion, and the main function of outer layer rubber layer is support, sizing, therefore is greater than outer layer rubber layer using the thickness of internal layer rubber layer
The design of thickness can guarantee product quality, improve the service life of product.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the sectional structure of the utility model.
Specific embodiment
The utility model is described in further detail below in conjunction with figure embodiment.
It is as shown in Figure 1 to Figure 2 the structural schematic diagram of the utility model,
Appended drawing reference therein is：Sebific duct ontology 1, internal layer rubber layer 11, outer layer rubber layer 12.
As shown in Figure 1 to Figure 2,
A kind of compound oil gas rubber pipe includes sebific duct ontology 1, and sebific duct ontology 1 is two-layer composite, by internal layer rubber
Layer 11 and outer layer rubber layer 12 are constituted, and sebific duct ontology 1 passes through the two extruders extrusion molding of T-type complex extruder, internal layer rubber
Glue-line 11 is epichlorohydrin rubber layer, and outer layer rubber layer 12 is chlorosulfonated polyethylene rubber layer, and the thickness of internal layer rubber layer 11 is greater than institute
State the thickness of outer layer rubber layer 12.
In embodiment, 2 times to 5 times of the thickness with a thickness of the outer layer rubber layer 12 of internal layer rubber layer 11.
In embodiment, internal layer rubber layer 11 with a thickness of 2.5 mm to 3.5mm.
In embodiment, outer layer rubber layer 12 with a thickness of 0.5 mm to 1.5mm.
Embodiment one,
A kind of compound oil gas rubber pipe, sebific duct ontology 1 are that constitute two layers of internal layer rubber layer 11 and outer layer rubber layer 12 are multiple
Structure is closed, internal layer rubber layer 11 is made of epichlorohydrin rubber, and outer layer rubber layer 12 is made of chlorosulfonated polyethylene rubber.Its internal diameter
7.0 ± 0.3mm, wall thickness 3.5mm (internal layer rubber layer 11 with a thickness of 2.5mm, outer layer rubber layer 12 with a thickness of 1mm), length 630
±5mm。
Manufacturing step is as follows：
Step 1: rubber compounding：Internal layer rubber layer, outer layer rubber layer carry out feed proportioning respectively；
Ingredient is carried out by internal layer rubber layer, the raw rubber weight of outer layer rubber layer component, small powder weight, aniseed weight；
Internal layer rubber layer each component is put into mixer mixing, is set into 50~100 DEG C of glue temperature, 140 DEG C of dump temperature,
Ram piston pressure 0.6MPa, 35 revs/min of banbury rotating speed；Carbon black and plasticizer are added in mixer；
Outer layer rubber layer each component is put into mixer mixing, is set into 30~60 DEG C of glue temperature, 80 DEG C of dump temperature, on
Top bolt pressure 0.5MPa, 30 revs/min of banbury rotating speed；Carbon black and plasticizer are added in mixer；
Step 2: pipe squeezes out：Inner tube rubber size and outer rubber layer sizing material after mixing enter T-type compound extruded respectively
The two extruders compound extruded internal layer rubber layer and outer rubber layer of machine, internal layer rubber layer squeeze out：From screw rod feeding section to machine
Head temperature setting be respectively：40℃ 50℃ 60℃ 70℃；Internal layer rubber layer squeezes out：From screw rod feeding section to head extrusion temperature
Degree is arranged：30℃ 40℃ 50℃ 60℃；80 DEG C of head temperature；
Step 3: first cure：
Using two sections of progress, first segment is to squeeze out manufactured pipe for vulcanization, covers on vulcanizing mould core, is sent into steam vulcanization tank
Vulcanization, temperature：155 DEG C, the time 40 minutes；Second segment is the sebific duct demoulding vulcanizated, reenters two sections of post vulcanization case hot-air
Vulcanization, curing temperature：150 DEG C, time：4 hours.
Obtained compound oil gas rubber pipe carries out following test：
| Serial number | Test item | It is required that | Compound rubber pipe test result |
| 1 | Hardness | 65~75HA | 70 |
| 2 | Tensile strength | ≥8MPa | 11.2 |
| 3 | Elongation rate of tensile failure | ≥250% | 320 |
| 4 | Peeling force | 1.5N/mm | 2.2 |
| 5 | Resistance to ozone | 50PPhm × 40 DEG C × 250h × 20% flawless | Flawless |
| 6 | Lower temperature resistance | - 30 DEG C × 5h sebific duct is bent flawless | Flawless |
Embodiment two,
A kind of compound oil gas rubber pipe, sebific duct ontology 1 are that constitute two layers of internal layer rubber layer 11 and outer layer rubber layer 12 are multiple
Structure is closed, internal layer rubber layer 11 is made of epichlorohydrin rubber, and outer layer rubber layer 12 is made of chlorosulfonated polyethylene rubber.Its internal diameter 10
± 0.3mm, wall thickness 4.5mm (internal layer rubber layer 11 with a thickness of 3.3mm, outer layer rubber layer 12 with a thickness of 1.2mm), length 580
±5mm。
Manufacturing step is as follows：
Step 1: rubber compounding：Internal layer rubber layer, outer layer rubber layer carry out feed proportioning respectively；
Ingredient is carried out by internal layer rubber layer, the raw rubber weight of outer layer rubber layer component, small powder weight, aniseed weight；
Internal layer rubber layer each component is put into mixer mixing, is set into 50~100 DEG C of glue temperature, 140 DEG C of dump temperature,
Ram piston pressure 0.6MPa, 35 revs/min of banbury rotating speed；Carbon black and plasticizer are added in mixer；
Outer layer rubber layer each component is put into mixer mixing, is set into 30~60 DEG C of glue temperature, 80 DEG C of dump temperature, on
Top bolt pressure 0.5MPa, 30 revs/min of banbury rotating speed；Carbon black and plasticizer are added in mixer；
Step 2: pipe squeezes out：Inner tube rubber size and outer rubber layer sizing material after mixing enter T-type compound extruded respectively
The two extruders compound extruded internal layer rubber layer and outer rubber layer of machine, internal layer rubber layer squeeze out：From screw rod feeding section to machine
Head temperature setting be respectively：45℃ 55℃ 65℃ 75℃；Internal layer rubber layer squeezes out：From screw rod feeding section to head extrusion temperature
Degree is arranged：40℃ 45℃ 55℃ 65℃；85 DEG C of head temperature；
Step 3: first cure：
Using two sections of progress, first segment is to squeeze out manufactured pipe for vulcanization, covers on vulcanizing mould core, is sent into steam vulcanization tank
Vulcanization, temperature：175 DEG C, the time 20 minutes；Second segment is the sebific duct demoulding vulcanizated, reenters two sections of post vulcanization case hot-air
Vulcanization, curing temperature：160 DEG C, time：2 hours.
Obtained compound oil gas rubber pipe carries out following test：
| Serial number | Test item | It is required that | Compound rubber pipe test result |
| 1 | Hardness | 65~75HA | 72 |
| 2 | Tensile strength | ≥8MPa | 12.4 |
| 3 | Elongation rate of tensile failure | ≥250% | 290 |
| 4 | Peeling force | 1.5N/mm | 2.4 |
| 5 | Resistance to ozone | 50PPhm × 40 DEG C × 250h × 20% flawless | Flawless |
| 6 | Lower temperature resistance | - 30 DEG C × 5h sebific duct is bent flawless | Flawless |
The most preferred embodiment of the utility model has illustrated, the various change or remodeling made by those of ordinary skill in the art
All without departing from the scope of the utility model.
Claims (4)
1. a kind of compound oil gas rubber pipe includes sebific duct ontology (1), it is characterized in that：The sebific duct ontology (1) is two-layer compound
Structure is made of internal layer rubber layer (11) and outer layer rubber layer (12), and the sebific duct ontology (1) passes through T-type compound extruded
The extrusion molding simultaneously of the two extruders of machine, the internal layer rubber layer (11) are epichlorohydrin rubber layer, the outer layer rubber layer
It (12) is chlorosulfonated polyethylene rubber layer, the thickness of the internal layer rubber layer (11) is greater than the thickness of the outer layer rubber layer (12)
Degree.
2. a kind of compound oil gas rubber pipe according to claim 1, it is characterized in that：The thickness of the internal layer rubber layer (11)
It is 2 times to 5 times of the thickness of the outer layer rubber layer (12).
3. a kind of compound oil gas rubber pipe according to claim 2, it is characterized in that：The thickness of the internal layer rubber layer (11)
For 2.5 mm to 3.5mm.
4. a kind of compound oil gas rubber pipe according to claim 3, it is characterized in that：The thickness of the outer layer rubber layer (12)
For 0.5 mm to 1.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820625360.4U CN208107357U (en) | 2018-04-28 | 2018-04-28 | A kind of compound oil gas rubber pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820625360.4U CN208107357U (en) | 2018-04-28 | 2018-04-28 | A kind of compound oil gas rubber pipe |
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| Publication Number | Publication Date |
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| CN208107357U true CN208107357U (en) | 2018-11-16 |
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ID=64115136
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108662308A (en) * | 2018-04-28 | 2018-10-16 | 浙江峻和橡胶科技有限公司 | A kind of compound oil gas rubber pipe and its manufacturing method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108662308A (en) * | 2018-04-28 | 2018-10-16 | 浙江峻和橡胶科技有限公司 | A kind of compound oil gas rubber pipe and its manufacturing method |
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| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315400, Ningbo, Zhejiang, Yuyao Far East Industrial City, CE10-11, Zhejiang Jun and Alwayseal Technology Ltd Patentee after: Zhejiang JUNHE Technology Co., Ltd Address before: 315400, Ningbo, Zhejiang, Yuyao Far East Industrial City, CE10-11, Zhejiang Jun and Alwayseal Technology Ltd Patentee before: Zhejiang Juhe Rubber Technology Co., Ltd. |