CN102720900A - Fuel rubber pipe and production process thereof - Google Patents
Fuel rubber pipe and production process thereof Download PDFInfo
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- CN102720900A CN102720900A CN2012102097178A CN201210209717A CN102720900A CN 102720900 A CN102720900 A CN 102720900A CN 2012102097178 A CN2012102097178 A CN 2012102097178A CN 201210209717 A CN201210209717 A CN 201210209717A CN 102720900 A CN102720900 A CN 102720900A
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Abstract
The invention discloses a fuel rubber pipe which comprises a rubber pipe body. The rubber pipe body sequentially comprises an inner pipe rubber layer, a fiber thread reinforced layer and an outer pipe rubber layer from inside to outside, the inner pipe rubber layer, the fiber thread reinforced layer and the outer pipe rubber layer are integrally adhered, compounded and extruded to form an electrospray rubber hose structure with compound nitrile rubber and chloroprene rubber, an inner pipe hole of the electrospray rubber hose structure is 16 millimeters, and the electrospray rubber hose structure has different performance characteristics of the inner rubber layer and the outer rubber layer. The production process of the fuel rubber pipe includes the steps: weighing rubber components according to prescription; mixing rubber; rapidly inspecting the rubber; extruding the inner pipe rubber layer; knitting the fiber thread reinforced layer; extruding the outer pipe rubber layer to produce a semi-finished pipe blank; cutting off and vulcanizing the pipe blank; washing the rubber pipe; performing transfer printing of marks, inspection and packaging and the like. The oil resistance of the inner rubber meets the ATFTL-VW798 standard, the oil resistance of the outer rubber meets the VW2.8.1-G65 standard, and the fuel rubber pipe has the advantages of high anti-detonation strength, ozone resistance and aging resistance and is particularly applicable to Shanghai-Volkswagen green 1.4T engines.
Description
Technical field
The present invention relates to a kind of manufacturing technology of rubber hose, the particularly a kind of rubber hose that motor uses, specifically a kind of fuel oil rubber pipe and production technology thereof of being used for.
Background technique
Along with the China's economy development, the domestic automobile volume of production and marketing rises gradually, and the automobile volume of production and marketing of China was annual in recent years according to statistics approximately increases about 10%.The bigger space that increased to the auto parts and components market development of automobile volume of production and marketing; Each big auto parts and components producer constantly researchs and develops the energy-conserving and environment-protective product; Update backward process engineering, develop the new product that satisfies client's standard and drawing requirement, with low cost; Process engineering is advanced, and constant product quality obtains customer approval.For example a kind of sebific duct for the bright and sharp electric vehicle engine of green edition just has very high requirement; Because the gentle burning of the oil room temperature of the fuel injection system of motor is higher relatively; And engine power the temperature of oil is also different simultaneously, engine power is big more, oily Wen Yuegao.When engine power surpassed 2.0T, the oil temperature surpassed 200 degree.Just reach 100 degree if engine power is the cold junction oil temperature of 1.4T, moment can reach 120 degree.If it is poor to go out the rubber hose oil resistance thus, non-refractory is aging, and it is little to bear pressure, just is easy to produce in the operation back of jolting of automobile throughout the year phenomenons such as be full of cracks, aging, breakage.The rubber pipe fuel oil easy to leak of crack failure, if when slight seepage is arranged, will there be the idling jitter phenomenon in automobile motor in the process of moving; Must in time dismantle and change rubber pipe in this case; If out in the cold or undiscovered, the seepage severe patient will cause the high temperature fuel injection to be come out, and high temperature fuel injection fire hazardous also burns to motor and even car load; The harm personal safety influences corporate reputation.
Summary of the invention
Technical problem to be solved by this invention is to above-mentioned existing technology present situation, and provides the pipe internal and external layer to have different gum base ingredients and can satisfy a kind of fuel oil rubber pipe and the production technology thereof that special Environmental Conditions requires inside and outside the sebific duct better.This sebific duct production technology is simple, cost is low, efficient is high, and interior glue fuel resistance can be good, and to 100 degree, its outer glue then has good anti-ozone, ageing-resistant performance to heatproof degree scope at-30 degree.
The present invention solves the problems of the technologies described above the technological scheme that is adopted: a kind of fuel oil rubber pipe; Comprise the sebific duct body; The sebific duct body is made up of interior pipe rubber layer, fibre threads enhancement layer and outer tube rubber layer from inside to outside successively; The gum base ingredients of interior pipe rubber layer is that the nitrile butadiene rubber that contains eight kinds of aid material mixes; The gum base ingredients of outer tube rubber layer is that the neoprene that contains nine kinds of aid material mixes, and interior pipe rubber layer, fibre threads enhancement layer and outer tube rubber layer are 16 millimeters and have the nitrile butadiene rubber of inside and outside glue-line different performance characteristics and the electric-jet type rubber hose structure of neoprene combined type through the gluing compound formation inner orifice of extruding of one.
For optimizing technique scheme, the measure of taking also comprises:
Eight kinds of aid material of above-mentioned interior pipe rubber layer are sulphur, zine oxide, stearic acid, altax, antioxidant 4010, tenderer TP95, carbon black 550 and carbon black 660.
Nine kinds of aid material of above-mentioned outer tube rubber layer are sulphur, zine oxide, stearic acid, altax, anti-aging agent RD, age resister M, solid Ma Long, carbon black 550 and carbon black 660.
Above-mentioned fibre threads enhancement layer is a polyester line layer knitting on interior pipe rubber layer.
The present invention also provides a kind of production technology of fuel oil rubber pipe, and this technology may further comprise the steps:
Step 1,Take by weighing the interior pipe gum base ingredients of interior pipe rubber layer and the outer tube gum base ingredients of outer tube rubber layer respectively by following sizing material prescription, pipe gum base ingredients is in it:
Nitrile butadiene rubber 100 weight portions
Sulphur 2.0 weight portions
Zine oxide 5.0 weight portions
Stearic acid 1.5 weight portions
Altax 1.5 weight portions
Antioxidant 4010 2.0 weight portions
Tenderer TP95 15 weight portions
Carbon black 550 45 weight portions
Carbon black 660 25 weight portions
Add up to: 197 weight portions
Its outer tube gum base ingredients is:
Neoprene 100 weight portions
Sulphur 0.5 weight portion
Zine oxide 5 weight portions
Stearic acid 1.5 weight portions
Advance agent DM 0.5 weight portion
Anti-aging agent RD 1.2 weight portions
Age resister M 1.6 weight portions
Gu horse is swelled 15 weight portions
Carbon black 550 40 weight portions
Carbon black 660 30 weight portions
Add up to: 195 weight portions
Step 2,Above-mentioned interior pipe gum base ingredients and the outer tube gum base ingredients that takes by weighing sent into mixer mixing respectively;
Step 3,Interior pipe sizing material and outer tube sizing material after the banburying are carried out fast seizure test, specify index parameter to control Mooney viscosity, the time of scorch of sizing material, so that the expressing technique in the operation of back;
Step 4,Interior pipe sizing material behind the fast seizure test and outer tube sizing material are put into two spouts of 90 extruders respectively, and adopt the straight type head of 90 extruders to extrude interior pipe rubber layer, use laser diameter measuring instrument to detect the size of the interior pipe rubber layer of extruding automatically simultaneously;
Step 5,The knitting machine of selecting 12 pin numbers for use is knitting on the interior pipe rubber layer of extruding to go out the fibre threads enhancement layer;
Step 6,The T type head that adopts 90 extruders is directly extruded the outer tube rubber layer being woven with on the interior pipe rubber layer of fibre threads enhancement layer, makes half-finished pipe embryo;
Step 7,Above-mentioned pipe embryo is cut off, send into sulfurizing pot vulcanization after wearing mould, obtain the sebific duct of moulding;
Step 8,Above-mentioned sebific duct washing entering bat printing sign and test package are obtained this product.
Above-mentioned
Step 2The reverse method of mixing of mixing employing of middle sizing material; Adopt the rotor speed of 15RPM～20RPM; The entering water temp of cooling water is controlled at 15 ℃-20 ℃; Plastic emitting temperature after mixing is 100 ℃～110 ℃, can allow filler and auxiliary agent under the mechanism of rotor, to mix in advance, and vulcanzing agent adds at last.
Above-mentioned
Step 4In the head temperature of straight type head be that 75 ℃, the temperature of spout are that 60 ℃, internal diameter are 16 millimeters.
Above-mentioned
Step 5The pitch of middle knitting machine is 4 millimeters～6 millimeters.
Above-mentioned
Step 6In the head temperature of T type head be that 75 ℃, the temperature of spout are that 60 ℃, the external diameter of outer tube are 23 millimeters.
Above-mentioned
Step 7The cure time of middle sulfurizing pot vulcanization is 30 minutes.
Compared with prior art, glue adopts nitrile butadiene rubber in the sebific duct body of the present invention, and the fibre threads enhancement layer adopts the polyester line; Outer glue adopts neoprene, makes full use of the strong and neoprene oil resistant of the fabulous oil resistance of nitrile butadiene rubber, superior heat resistance and bonding force, and is heat-resisting; Anti-combustion, anti-daylight, anti-ozone; The characteristics of acid resistant alkali and chemical-resistant reagent, compound extruding forms the fuel hose with inside and outside glue-line different performance characteristics.The glue oil resistant meets ATF TL-VW798 standard in the sebific duct of this invention; Outer glue meets the VW2.8.1-G65 standard; The sebific duct inside/outside diameter size is 23 millimeters of 16 millimeters * φ of φ; Be particularly suitable for green moving version motor and use, and its manufacturing process is simple, advanced technology has the manufacturing efficiency height, the characteristics that fabricating cost is low.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention;
Fig. 2 is the schematic representation of sebific duct section of the present invention;
Fig. 3 is flow figure of the present invention.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are described in further detail.
Fig. 1 is extremely shown in Figure 2 to be structural representation of the present invention; Fig. 3 is flow figure of the present invention.
Reference character wherein is: sebific duct body 1, inner orifice 1a, interior pipe rubber layer 11, fibre threads enhancement layer 12, outer tube rubber layer 13.
Extremely shown in Figure 2 like Fig. 1; A kind of fuel oil rubber pipe of the present invention; Comprise sebific duct body 1; Sebific duct body 1 is made up of interior pipe rubber layer 11, fibre threads enhancement layer 12 and outer tube rubber layer 13 from inside to outside successively; The gum base ingredients of interior pipe rubber layer 11 is that the nitrile butadiene rubber that contains eight kinds of aid material mixes, and the gum base ingredients of outer tube rubber layer 13 is that the neoprene that contains nine kinds of aid material mixes, and interior pipe rubber layer 11, fibre threads enhancement layer 12 and outer tube rubber layer 13 are 16 millimeters and have the nitrile butadiene rubber of inside and outside glue-line different performance characteristics and the electric-jet type rubber hose structure of neoprene combined type through the gluing compound formation inner orifice 1a that extrudes of one.The present invention is for being exclusively used in a kind of EFI shape fuel oil rubber pipe of the green moving version 1.4T engine production of Shanghai Volkswagen; The interior external diameter of this sebific duct is 23 millimeters of 16 millimeters * φ of φ, in order to satisfy this h type engine h technical requirements of using and the performance indication that improves sebific duct better, reduces cost of material; The interior pipe rubber layer 11 of sebific duct body 1 adopts nitrile butadiene rubber; Nitrile butadiene rubber has outstanding oil resistance and fabulous Adhesion force, and outer tube rubber layer 13 then adopts heat-resisting, anti-combustion; The neoprene that anti-daylight, anti-ozone and acid resistant alkali and chemical-resistant reagent are all very good.The needs that glue is considered oil resistant on the prescription of inside and outside sizing material and sebific duct must not separate that behind long term thermal oil immersion bubble poisonous and harmful substance and finely ground particles are separated out etc., thereby the product standard requirement has increased the requirement of sebific duct turbidity test.Outer glue is to select in that the difference of considering two kinds of sizing material stretching rate is different with Environmental Conditions.The present invention's external diameter expansivity when extruding pipe is little, and the length contraction change is little, and product percent of pass is high.The fuel oil rubber pipe of relative existing technology, the present invention is difficult for aging cracking and explosion, its oil resistant temperature range-30 degree-100 degree; Short time reaches 120 degree, and bursting pressure is 0.5MPa, and the turbidity test standard is: foreign material amount≤1mg; Particle is not more than 200 μ m; Therefore can satisfy the usage requirement of green moving version 1.4T motor fully, it is low also to have cost simultaneously, the technology characteristic of simple.
Among the embodiment, eight kinds of aid material of interior pipe rubber layer 11 are sulphur, zine oxide, stearic acid, altax, antioxidant 4010, tenderer TP95, carbon black 550 and carbon black 660.
Among the embodiment, nine kinds of aid material of outer tube rubber layer 13 are sulphur, zine oxide, stearic acid, altax, anti-aging agent RD, age resister M, solid Ma Long, carbon black 550 and carbon black 660.
Among the embodiment, fibre threads enhancement layer 12 is a polyester line layer knitting on interior pipe rubber layer 11.
The present invention also provides a kind of production technology of fuel oil rubber pipe, and this technology may further comprise the steps:
Step 1,Take by weighing the interior pipe gum base ingredients of interior pipe rubber layer and the outer tube gum base ingredients of outer tube rubber layer respectively by following sizing material prescription, above-mentioned interior pipe gum base ingredients is:
Nitrile butadiene rubber 100 weight portions
Sulphur 2.0 weight portions
Zine oxide 5.0 weight portions
Stearic acid 1.5 weight portions
Altax 1.5 weight portions
Antioxidant 4010 2.0 weight portions
Tenderer TP95 15 weight portions
Carbon black 550 45 weight portions
Carbon black 660 25 weight portions
Add up to: 197 weight portions
Above-mentioned outer tube gum base ingredients is:
Neoprene 100 weight portions
Sulphur 0.5 weight portion
Zine oxide 5 weight portions
Stearic acid 1.5 weight portions
Advance agent DM 0.5 weight portion
Anti-aging agent RD 1.2 weight portions
Age resister M 1.6 weight portions
Gu horse is swelled 15 weight portions
Carbon black 550 40 weight portions
Carbon black 660 30 weight portions
Add up to: 195 weight portions
Step 2,Above-mentioned interior pipe gum base ingredients and the outer tube gum base ingredients that takes by weighing sent into mixer mixing respectively;
Step 3,Interior pipe sizing material and outer tube sizing material after the banburying are carried out fast seizure test, specify index parameter to control Mooney viscosity, the time of scorch of sizing material, so that the expressing technique in the operation of back;
Step 4,Interior pipe sizing material behind the fast seizure test and outer tube sizing material are put into two spouts of 90 extruders respectively, and adopt the straight type head of 90 extruders to extrude interior pipe rubber layer, use laser diameter measuring instrument to detect the size of the interior pipe rubber layer of extruding automatically simultaneously;
Step 5,The knitting machine of selecting 12 pin numbers for use is knitting on the interior pipe rubber layer of extruding to go out the fibre threads enhancement layer;
Step 6,The T type head that adopts 90 extruders is directly extruded the outer tube rubber layer being woven with on the interior pipe rubber layer of fibre threads enhancement layer, makes half-finished pipe embryo;
Step 7,Above-mentioned pipe embryo is cut off, send into sulfurizing pot vulcanization after wearing mould, obtain the sebific duct of moulding;
Step 8,Above-mentioned sebific duct washing entering bat printing sign and test package are obtained this product.
Above-mentioned
Step 2The reverse method of mixing of mixing employing of middle sizing material; Adopt the rotor speed of 15RPM～20RPM; The entering water temp of cooling water is controlled at 15 ℃-20 ℃; Plastic emitting temperature after mixing is 100 ℃～110 ℃, can allow filler and auxiliary agent under the mechanism of rotor, to mix in advance, and vulcanzing agent adds at last.
Above-mentioned
Step 4In the head temperature of straight type head be that 75 ℃, the temperature of spout are that 60 ℃, internal diameter are 16 millimeters.
Above-mentioned
Step 5The pitch of middle knitting machine is 4 millimeters～6 millimeters.
Above-mentioned
Step 6In the head temperature of T type head be that 75 ℃, the temperature of spout are that 60 ℃, the external diameter of outer tube are 23 millimeters.
Above-mentioned
Step 7The cure time of middle sulfurizing pot vulcanization is 30 minutes.
Employing with above-mentioned production technology after, product of the present invention compared with prior art has the following advantages:
1), stable processing technique, the banburying operation adopts the banburying equipment of dustless automatic control system, guarantees that small powder in the prescription does not have to fly upward, operation site does not have dust, helps the healthy of employee.Final products meet the state's laws rules, and interior glue meets ATF TL-VW798 standard, and outer glue meets the VW2.8.1-G65 standard, and the environmentally friendly machine of standard is satisfied in material requirements.
2), the inside and outside footpath dimensionally stable of product, high conformity, with on the car load other minutes component back its good airproof performance of assembly, product ne-leakage and obscission are installed.
3), product percent of pass is high, manufacturing efficiency is high, cost is low, steady quality, reliable performance.
4), sizing material adopts reverse method of mixing to mix, and to prevent the overheated incipient scorch of sizing material, can allow the mixing in advance under the mechanism of rotor of filler and auxiliary agent, can not cause the rising of temperature like this; Vulcanzing agent adds at last, is to prolong mixing time to obtain best melting effect, and like this, the sizing material after the banburying has the good compression stress releasing property, in multiple fluid, uses the back to keep good penetration property through the long period.
Claims (10)
1. fuel oil rubber pipe; Comprise sebific duct body (1); It is characterized in that: described sebific duct body (1) is made up of interior pipe rubber layer (11), fibre threads enhancement layer (12) and outer tube rubber layer (13) from inside to outside successively; The gum base ingredients of pipe rubber layer (11) is that the nitrile butadiene rubber that contains eight kinds of aid material mixes in described; The gum base ingredients of described outer tube rubber layer (13) is that the neoprene that contains nine kinds of aid material mixes, and pipe rubber layer (11), fibre threads enhancement layer (12) and outer tube rubber layer (13) are 16 millimeters and have the nitrile butadiene rubber of inside and outside glue-line different performance characteristics and the electric-jet type rubber hose structure of neoprene combined type through the gluing compound formation inner orifice (1a) of extruding of one in described.
2. a kind of fuel oil rubber pipe according to claim 1 is characterized in that: eight kinds of aid material of pipe rubber layer (11) are sulphur, zine oxide, stearic acid, altax, antioxidant 4010, tenderer TP95, carbon black 550 and carbon black 660 in described.
3. a kind of fuel oil rubber pipe according to claim 2 is characterized in that: nine kinds of aid material of described outer tube rubber layer (13) are sulphur, zine oxide, stearic acid, altax, anti-aging agent RD, age resister M, solid Ma Long, carbon black 550 and carbon black 660.
4. a kind of fuel oil rubber pipe according to claim 3 is characterized in that: described fibre threads enhancement layer (12) is for going up knitting polyester line layer at interior pipe rubber layer (11).
5. production technology that realizes the described fuel oil rubber pipe of claim 1, it is characterized in that: this technology may further comprise the steps:
Step 1, take by weighing respectively by following sizing material prescription in interior pipe gum base ingredients and the outer tube gum base ingredients of outer tube rubber layer of pipe rubber layer, described in the pipe gum base ingredients be:
Nitrile butadiene rubber 100 weight portions
Sulphur 2.0 weight portions
Zine oxide 5.0 weight portions
Stearic acid 1.5 weight portions
Altax 1.5 weight portions
Antioxidant 4010 2.0 weight portions
Tenderer TP95 15 weight portions
Carbon black 550 45 weight portions
Carbon black 660 25 weight portions
Add up to: 197 weight portions
Described outer tube gum base ingredients is:
Neoprene 100 weight portions
Sulphur 0.5 weight portion
Zine oxide 5 weight portions
Stearic acid 1.5 weight portions
Advance agent DM 0.5 weight portion
Anti-aging agent RD 1.2 weight portions
Age resister M 1.6 weight portions
Gu horse is swelled 15 weight portions
Carbon black 550 40 weight portions
Carbon black 660 30 weight portions
Add up to: 195 weight portions;
Step 2, above-mentioned interior pipe gum base ingredients and the outer tube gum base ingredients that takes by weighing sent into mixer mixing respectively;
Step 3, interior pipe sizing material and outer tube sizing material after the banburying are carried out fast seizure test, specify index parameter to control Mooney viscosity, the time of scorch of sizing material, so that the expressing technique in the operation of back;
Step 4, interior pipe sizing material behind the fast seizure test and outer tube sizing material are put into two spouts of 90 extruders respectively, and adopt the straight type head of 90 extruders extrude in the pipe rubber layer, use laser diameter measuring instrument to detect the size of the interior pipe rubber layer of extruding automatically simultaneously;
Step 5, the knitting machine of selecting 12 pin numbers for use is knitting on the interior pipe rubber layer of extruding goes out the fibre threads enhancement layer;
Step 6, the T type head that adopts 90 extruders are directly extruded the outer tube rubber layer being woven with on the interior pipe rubber layer of fibre threads enhancement layer, make half-finished pipe embryo;
Step 7, above-mentioned pipe embryo is cut off, send into sulfurizing pot vulcanization after wearing mould, obtain the sebific duct of moulding;
Step 8, the washing of above-mentioned sebific duct is got into the bat printing sign and test package obtains this product.
6. the production technology of a kind of fuel oil rubber pipe according to claim 5; It is characterized in that: the reverse method of mixing of mixing employing of sizing material in the described step 2; Adopt the rotor speed of 15RPM～20RPM, the entering water temp of cooling water is controlled at 15 ℃～20 ℃, and the plastic emitting temperature after mixing is 100 ℃～110 ℃; Can allow filler and auxiliary agent under the mechanism of rotor, to mix, vulcanzing agent adds at last in advance.
7. the production technology of a kind of fuel oil rubber pipe according to claim 6 is characterized in that: the head temperature of straight type head is that 75 ℃, the temperature of spout are that 60 ℃, internal diameter are 16 millimeters in the described step 4.
8. the production technology of a kind of fuel oil rubber pipe according to claim 7 is characterized in that: the pitch of knitting machine is 4 millimeters～6 millimeters in the described step 5.
9. the production technology of a kind of fuel oil rubber pipe according to claim 8 is characterized in that: the head temperature of T type head is that 75 ℃, the temperature of spout are that 60 ℃, the external diameter of outer tube are 23 millimeters in the described step 6.
10. the production technology of a kind of fuel oil rubber pipe according to claim 9 is characterized in that: the cure time of sulfurizing pot vulcanization is 30 minutes in the described step 7.
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| CN201210209717.8A CN102720900B (en) | 2012-06-25 | 2012-06-25 | Fuel rubber pipe and production process thereof |
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| CN106439272B (en) * | 2015-08-06 | 2018-12-21 | 宁波兴明液压器材有限公司 | A kind of hose and its manufacturing method |
| CN106439272A (en) * | 2015-08-06 | 2017-02-22 | 刘建春 | Hose and manufacturing method thereof |
| CN105218892A (en) * | 2015-08-19 | 2016-01-06 | 苏州国泰科技发展有限公司 | The preparation method of rubber wick and the application in automobile component thereof |
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| CN108548021A (en) * | 2018-06-27 | 2018-09-18 | 张洪红 | A kind of fuel electric spray pipe for car |
| CN108752674A (en) * | 2018-06-27 | 2018-11-06 | 张洪红 | A kind of hydraulic pressure conveying high-pressure rubber hose and its preparation process |
| CN110774557A (en) * | 2019-11-16 | 2020-02-11 | 徐州乐泰机电科技有限公司 | Preparation method of outer rubber tube of tensile compression-resistant high-performance hydraulic oil pipe |
| CN114571697A (en) * | 2022-03-11 | 2022-06-03 | 徐州工业职业技术学院 | Preparation method of oil-resistant rubber hose with good tear resistance |
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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. |