CN105508506A - Wear-resisting synchronous belt for automobile engines - Google Patents
Wear-resisting synchronous belt for automobile engines Download PDFInfo
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- CN105508506A CN105508506A CN201510529895.2A CN201510529895A CN105508506A CN 105508506 A CN105508506 A CN 105508506A CN 201510529895 A CN201510529895 A CN 201510529895A CN 105508506 A CN105508506 A CN 105508506A
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- timing belt
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Abstract
The invention relates to the field of mechanical drive, in particular to a wear-resisting synchronous belt for automobile engines. The wear-resisting synchronous belt for the automobile engines comprises an annular belt body, the belt body sequentially comprises a gum layer, a core rope framework and a tooth gum layer from outside to inside, a plurality of belt teeth are formed on the tooth gum layer along the inner peripheral surface of the belt body at intervals, a tooth cloth layer covers the outer surface of the tooth gum layer and is formed by dipping fabric in dipping rubber cement with hydrogenated butadiene-acrylonitrile rubber as the main component, and the fabric is formed by weaving aramid fibers and nylon fibers in an interlacing mode. The wear-resisting synchronous belt can normally and effectively work within the temperature range from minus 40 DEG C to 130 DEG C for a long time.
Description
Technical field
The present invention relates to mechanical transmission fields, particularly a kind of wear-resisting Timing Belt for motor car engine.
Background technique
Timing Belt is generally used in motor car engine, and along with the space of motor car engine is more and more less, power is increasing, and service condition is increasingly harsh, and motor requires more and more longer to the wear-resisting property of Timing Belt and working life.Current domestic Timing Belt material tooth layer of cloth used mostly is nylon bullet cloth fabric, and gluing is neoprene or ethylene propylene diene rubber, and this type of domestic Timing Belt wear-resisting property is poor, can not get accreditation in high-end market always.
Summary of the invention
In order to overcome the defect that existing Timing Belt wear-resisting property is not good, working life is shorter, the invention provides a kind of wear-resisting Timing Belt for motor car engine, this Timing Belt is mainly used in JL466Q1 motor car engine.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of wear-resisting Timing Belt for motor car engine, comprise the belt body of annular, belt body from outer to inner comprises successively: a gum layer, one core rope skeleton, one tooth glue-line, along the multiple band tooth of the inner peripheral surface gap-forming of belt body on tooth glue-line, tooth glue-line outer surface coated one deck tooth layer of cloth, described tooth layer of cloth is formed through the dipping rubber cement immersion treatment based on hydrogenated nitrile-butadiene rubber by fabric, and described fabric is worked out alternately by aramid fibre and nylon fiber.Wear-resisting Timing Belt of the present invention can normally effective long-term work in wider temperature range-40 DEG C ~ 130 DEG C, the tooth layer of cloth used be radial for aramid fiber, broadwise be stretchy nylon, direction of warp and weft is the staggered fabrics in 45 degree of oblique angles, and be the cement dip process of hydrogenated nitrile-butadiene rubber through main gel kind, life-span of this kind of wear-resisting Timing Belt than tooth layer of cloth be nylon bullet cloth fabric, gluing is synchronous belt length about the 20-30% of neoprene or ethylene propylene diene rubber.
Acting as of each layer of the present invention:
1, tooth layer of cloth: protection tooth glue-line, improves wear resistance and the scratch resistance thorn property of belt body teeth portion.
2, core rope skeleton: the longitudinal pulling force of carrying belt;
3, gum layer: protection zone face, improves wear resistance and the scratch resistance thorn property at the belt back side;
4, tooth glue-line: by the meshing transferring power with belt wheel;
The present invention adopts hydrogenated nitrile-butadiene rubber to be main glue kind, special processing is carried out to core rope skeleton simultaneously, improve the Adhesion force of core rope skeleton and rubber, make the present invention can normally effective long-term work in wider temperature range-40 DEG C ~ 130 DEG C, stable performance, long service life.
As preferably, described aramid fibre and nylon fiber are that 45 degree of oblique angles weave alternately.
As preferably, described toothed profile is circle-arc tooth.
As preferably, the shaping material of described tooth glue-line and gum layer mixes obtained by comprising with the following component of parts by weight: hydrogenated nitrile-butadiene rubber 100.0 parts, zine oxide 5.0-6.0 part, stearic acid 1.0-2.0 part, age resister 1.0-3.0 part, carbon black 40.0-60.0 part, tenderer 5.0-10.0 part, strengthening agent 1.0-10.0 part, crosslinking agent 4.0-7.0 part, co-crosslinker 1.0-2.0 part.
As preferably, described dipping rubber cement mixes obtained by comprising with the following component of parts by weight: hydrogenated nitrile-butadiene rubber 100.0 parts, zine oxide 4.0-6.0 part, stearic acid 1.0-2.0 part, age resister 1.0-2.0 part, tackiness agent 4.0-7.0 part, carbon black 50.0-60.0 part, tenderer 6.0-8.0 part, vulcanzing agent 3.0-5.0 part, promoter 2.0-3.0 part; Co-crosslinker 1.0-2.0 part.
In above-mentioned each formula, the concrete model of age resister is anti-aging agent RD, tackiness agent is adhesive RS+adhesive A, carbon black selects carbon black N774 or carbon black N550, and tenderer is plasticizing agent TP-95, and strengthening agent is zinc acrylate resin, vulcanzing agent is sulphur, promoter is Vulcanization accelerator TMTD or DM, and crosslinking agent is cumyl peroxide (DCP), and co-crosslinker is iso-cyanuric acid triallyl ester (TAIC).
As preferably, described core rope skeleton is the glass fibre structure through adhesive treatment.Core rope skeleton first adopts the process of resorcinol-formaldehyde-Ding arsenic latex adhesive, and then be coated with one deck Kai Muluoke glue.The main production of this core rope skeleton is: twist glass strand, the glass cotton rope twisted with the fingers is again through RFL (resorcinol-formaldehyde) latex dipping, apply one deck again and hydrogenated nitrile-butadiene rubber has the tackiness agent of excellent bonds effect (as opening nurse Roc), apply the rubber cement (rubber cement being hydrogenated nitrile-butadiene rubber with the main gel kind of the adhesive plaster immersion treatment for tooth layer of cloth is filled a prescription identical) that one deck main gel kind is hydrogenated nitrile-butadiene rubber afterwards on surface, coating thickness is at 0.15mm.
As preferably, described tooth layer of cloth is that the fabric being fixed on tooth glue-line outer surface is directly entered baking oven at the temperature of 100 DEG C ± 1 DEG C after being immersed in dipping rubber cement, and baking 2-3min obtains.
The present invention, in the Timing Belt tooth cloth of routine, adds aramid fibre, improves the wear resistance of transmission working surface; Timing Belt tooth cloth is originally when weaving, and only having used nylon wire, is to improve wear resistance now, and tooth cloth not only has nylon wire when weaving, and adds aramid fiber yarn.
The invention has the beneficial effects as follows: adopt hydrogenated nitrile-butadiene rubber to be main glue kind, special processing is carried out to core rope skeleton simultaneously, improve the Adhesion force of core rope skeleton and rubber, simultaneously to the optimization by tooth layer of cloth, namely tooth layer of cloth is radial is aramid fiber, broadwise is stretchy nylon, direction of warp and weft is the staggered fabrics in 45 degree of oblique angles, and be the cement dip process of hydrogenated nitrile-butadiene rubber through main gel kind, make the present invention can normally effective long-term work in wider temperature range-40 DEG C ~ 130 DEG C, wear-resisting property is good, long service life.
Accompanying drawing explanation
Fig. 1 is a kind of sectional structure schematic diagram of the present invention; In figure: 1, tooth layer of cloth, 2, core rope skeleton, 3, gum layer, 4, tooth glue-line.
Embodiment
Below by specific embodiment, and by reference to the accompanying drawings, technological scheme of the present invention is described in further detail.Should be appreciated that enforcement of the present invention is not limited to the following examples, any pro forma accommodation make the present invention and/or change all will fall into scope.
In the present invention, if not refer in particular to, all parts, percentage are unit of weight, and the equipment adopted and raw material etc. all can be buied from market or related domain is conventional.Method in following embodiment, if no special instructions, is the conventional method of related domain.
In each embodiment: the concrete model of age resister is anti-aging agent RD, tackiness agent is adhesive RS+adhesive A, carbon black selects carbon black N774 or carbon black N550, tenderer is plasticizing agent TP-95, strengthening agent is zinc acrylate resin, and vulcanzing agent is sulphur, and promoter is Vulcanization accelerator TMTD or DM, crosslinking agent is cumyl peroxide (DCP), and co-crosslinker is iso-cyanuric acid triallyl ester (TAIC).
Embodiment 1
The wear-resisting Timing Belt for motor car engine as shown in Figure 1, comprise the belt body of annular, belt body from outer to inner comprises successively: a gum layer 3, one core rope skeleton 2, one tooth glue-line 4, along the multiple band tooth of the inner peripheral surface gap-forming of belt body on tooth glue-line, toothed profile is circle-arc tooth.Tooth glue-line outer surface coated one deck tooth layer of cloth 1, described tooth layer of cloth is formed through the dipping rubber cement immersion treatment based on hydrogenated nitrile-butadiene rubber by fabric, fabric is radial is aramid fibre, broadwise is nylon fiber, and direction of warp and weft is that 45 degree of oblique angle weavings form.
The constituent material of core rope skeleton 2 is glass cotton rope (Mitsui company, glass cotton rope, specification ECG150-3/13-2.0SZ).Core rope skeleton first adopts the process of resorcinol-formaldehyde-Ding arsenic latex adhesive, and then be coated with one deck Kai Muluoke glue.The main production of this core rope skeleton is: twist glass strand, the glass cotton rope twisted with the fingers is again through RFL (resorcinol-formaldehyde) latex dipping, apply one deck again and hydrogenated nitrile-butadiene rubber has the tackiness agent of excellent bonds effect (as opening nurse Roc), apply the rubber cement (rubber cement being hydrogenated nitrile-butadiene rubber with the main gel kind of the adhesive plaster immersion treatment for tooth layer of cloth is filled a prescription identical) that one deck main gel kind is hydrogenated nitrile-butadiene rubber afterwards on surface, coating thickness is at 0.15mm.
Tooth layer of cloth 1 thickness is 0.75mm, and core rope skeleton 2 thickness is 1.2mm, and gum layer 3 thickness is 2.2mm, and tooth glue-line 4 thickness is 3.0mm, and the main gel kind of described gum layer 3 and tooth glue-line 4 is hydrogenated nitrile-butadiene rubber.
The formula of described dipping rubber cement is as follows: hydrogenated nitrile-butadiene rubber 100.0kg, zine oxide 4.0kg, stearic acid 1.0kg, age resister 1.0kg, tackiness agent 4.0kg, carbon black 50.0kg, tenderer 6.0kg, vulcanzing agent 3.0kg, promoter 2.0kg, co-crosslinker 1.0kg.
The formula of the shaping material of described tooth glue-line and gum layer is: hydrogenated nitrile-butadiene rubber 100.0kg, zine oxide 5.0kg, stearic acid 1.0kg, age resister 1.0kg, carbon black 40.0kg, tenderer 5.0kg, strengthening agent 1.0kg, crosslinking agent 4.0kg, co-crosslinker 1.0kg.
Embodiment 2
Concrete scheme is with embodiment 1, difference is: the formula for the dipping rubber cement of tooth layer of cloth is as follows: hydrogenated nitrile-butadiene rubber 100.0kg, zine oxide 6.0kg, stearic acid 2.0kg, age resister 2.0kg, tackiness agent 7.0kg, carbon black 60.0kg, tenderer 8.0kg, vulcanzing agent 5.0kg, promoter 3.0kg; Co-crosslinker 2.0kg.
The formula of the shaping material of described tooth glue-line and gum layer is: hydrogenated nitrile-butadiene rubber 100.0kg, zine oxide 6.0kg, stearic acid 2.0kg, age resister 3.0kg, carbon black 60.0kg, tenderer 10.0kg, strengthening agent 10.0kg, crosslinking agent 7.0kg, co-crosslinker 2.0kg.
Embodiment 3
Concrete scheme is with embodiment 1, difference is: the formula for the dipping rubber cement of tooth layer of cloth is as follows: hydrogenated nitrile-butadiene rubber 100.0kg, zine oxide 5.0kg, stearic acid 1.5kg, age resister 1.5kg, tackiness agent 5.5kg, carbon black 55.0kg, tenderer 7.0kg, vulcanzing agent 4.0kg, promoter 4.0kg; Co-crosslinker 1.5kg.
The formula of the shaping material of described tooth glue-line and gum layer is: hydrogenated nitrile-butadiene rubber 100.0kg, zine oxide 5.0kg, stearic acid 1.5kg, age resister 2.0kg, carbon black 50.0kg, tenderer 7.5kg, strengthening agent 5.5kg, crosslinking agent 5.5kg, co-crosslinker 1.5kg.
For ensureing the uniform length being used in the wear-resisting Timing Belt of JL466Q1 motor car engine, adopt the production procedure that whole cylinder is shaping, the rear emery wheel of cutting is polished.
The production method of the wear-resisting Timing Belt of the present invention
Adopt the method for positive formation time shaping, that is: on metal mold, first bag pastes one deck tooth layer of cloth 1, then is wound around core rope skeleton 2, finally packs tightly gum layer 3 and tooth glue-line 4.
Tooth layer of cloth 1 is formed after immersion treatment, immersion treatment directly enters baking oven at the temperature of 100 DEG C ± 1 DEG C after only tooth layer of cloth need being immersed in rubber cement, dry 2-3min, film is all produced by mangler, control the gap of roller, thickness 0.7-1.5mm, film, in calender line, cools with cooling roll.
Sulfuration uses the flat gum cover of the vulcanization of rubber to carry out, that is: first on control computer, curing parameter (temperature 160-180 DEG C is set by technician, pressure 0.8-1.5MPa, time 25-50min) again by the made-up belt of forming together with metal mold, hang on the platform of autoclave press, package the flat gum cover of the corresponding vulcanization of rubber, by start button, whole sulfidation automatically completes under the monitoring of computer, operator can not change the running parameter of sulfurizing pot, ensure that the uniformity of every product degree of cure.
Cutting uses the tensioning of Horizontal double roller cutting machine, presets cutting width and feed velocity, and wolfram steel cylinder blade and the feed mode being with the axial vertical cut in 90 ° of cylinder, computer automatically controls cutting and completes.
Polishing uses horizontal automatic sander to carry out, and presets belt length and the polishing amount of feed, uses emery wheel automatically to polish.
The performance comparison of different subjects material and tooth layer of cloth fabric combination
The wear-resisting Timing Belt product of the present invention (HNBR+NILON+ARAMID) is neoprene with material of main part and the same specification that tooth layer of cloth fabric is nylon bullet cloth (CR+NILON) compares with structure manufacture test, design parameter is in table 1, table 2 and table 3., there is the time that band odontotripsis or belt body cracking etc. wear phenomenon, wear rate consume close to 5% in the wear-resisting property contrast of two kinds of different subjects materials and tooth layer of cloth fabric combination.
The performance comparison of the film that three kinds of different materials obtain after table 1 sulfuration
| CR+NILON | HNBR+NILON+ARAMID | |
| Radial drawing brute force (Mpa) | 12.1 | 18.6 |
| Radial elongation at break (%) | 50 | 45 |
| Broadwise tensile strength (MPa) | 8 | 13.5 |
| Broadwise elongation at break (%) | 185 | 250 |
| Hardness (SHA °) | 83 | 85 |
Table 1 represents that (wherein CR+NILON represents material of main part is neoprene, and tooth layer of cloth fabric is nylon bullet cloth for the performance comparison of the film that sulfuration latter two different materials obtains; HNBR+NILON+ARAMID represents the present invention, and namely material of main part is hydrogenated nitrile-butadiene rubber, and tooth layer of cloth fabric is radial is aramid fiber, broadwise is stretchy nylon, and direction of warp and weft is that 45 degree of oblique angles interlock, lower same).
The traditional performance contrast of table 2 three kinds of different subjects materials and tooth layer of cloth fabric combination automobile synchronous belt
| CR+NILON | HNBR+NILON+ARAMID | |
| Tensile strength (single/KN) | 4.5 | 4.6 |
| 1.0KN continuous rating elongation rate (single, %) | 1.2 | 1.2 |
| Cloth glue adhesion (N/mm) | 3.5 | 3.2 |
| Cotton rope extracts (KN/m) out | 30 | 35 |
The wear-resisting property contrast of table 3 three kinds of different subjects materials and tooth layer of cloth fabric combination
Table 3 represents the wear-resisting property contrast of two kinds of different subjects materials and tooth layer of cloth fabric combination, occurs the time that band odontotripsis or belt body cracking etc. wear phenomenon, wear rate consume close to 5%.
Can find out according to above table 1, table 2 and table 3, friction durability of the present invention is neoprene and tooth layer of cloth fabric is nylon bullet cloth (CR+NILON) apparently higher than material of main part.
Above-described embodiment is one of the present invention preferably scheme, not does any pro forma restriction to the present invention, also has other variant and remodeling under the prerequisite not exceeding the technological scheme described in claim.
Claims (8)
1., for a wear-resisting Timing Belt for motor car engine, comprise the belt body of annular, it is characterized in that belt body from outer to inner comprises successively:
One gum layer (3),
One core rope skeleton (2),
One tooth glue-line (4), along the multiple band tooth of the inner peripheral surface gap-forming of belt body on tooth glue-line, tooth glue-line outer surface coated one deck tooth layer of cloth (1), described tooth layer of cloth is formed through the dipping rubber cement immersion treatment based on hydrogenated nitrile-butadiene rubber by fabric, and described fabric is worked out alternately by aramid fibre and nylon fiber.
2. wear-resisting Timing Belt according to claim 1, is characterized in that: described fabric is radial is aramid fibre, broadwise is nylon fiber, and direction of warp and weft is that 45 degree of oblique angle weavings form.
3. wear-resisting Timing Belt according to claim 1 and 2, is characterized in that: described toothed profile is circle-arc tooth.
4. wear-resisting Timing Belt according to claim 1 and 2, it is characterized in that: the shaping material of described tooth glue-line and gum layer mixes obtained by comprising with the following component of parts by weight: hydrogenated nitrile-butadiene rubber 100.0 parts, zine oxide 5.0-6.0 part, stearic acid 1.0-2.0 part, age resister 1.0-3.0 part, carbon black 40.0-60.0 part, tenderer 5.0-10.0 part, strengthening agent 1.0-10.0 part, crosslinking agent 4.0-7.0 part, co-crosslinker 1.0-2.0 part.
5. wear-resisting Timing Belt according to claim 1 and 2, it is characterized in that: described dipping rubber cement mixes obtained by comprising with the following component of parts by weight: hydrogenated nitrile-butadiene rubber 100.0 parts, zine oxide 4.0-6.0 part, stearic acid 1.0-2.0 part, age resister 1.0-2.0 part, tackiness agent 4.0-7.0 part, carbon black 50.0-60.0 part, tenderer 6.0-8.0 part, vulcanzing agent 3.0-5.0 part, promoter 2.0-3.0 part; Co-crosslinker 1.0-2.0 part.
6. wear-resisting Timing Belt according to claim 1, is characterized in that: described core rope skeleton is the glass fibre structure through adhesive treatment.
7. wear-resisting Timing Belt according to claim 6, is characterized in that: core rope skeleton first adopts the process of resorcinol-formaldehyde-Ding arsenic latex adhesive, and then be coated with one deck Kai Muluoke glue.
8. wear-resisting Timing Belt according to claim 1, is characterized in that: described tooth layer of cloth is that the fabric being fixed on tooth glue-line outer surface is directly entered baking oven at the temperature of 100 DEG C ± 1 DEG C after being immersed in dipping rubber cement, dries 2-3min and obtains.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510529895.2A CN105508506A (en) | 2015-08-26 | 2015-08-26 | Wear-resisting synchronous belt for automobile engines |
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| CN201510529895.2A CN105508506A (en) | 2015-08-26 | 2015-08-26 | Wear-resisting synchronous belt for automobile engines |
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| CN105508506A true CN105508506A (en) | 2016-04-20 |
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| CN201510529895.2A Pending CN105508506A (en) | 2015-08-26 | 2015-08-26 | Wear-resisting synchronous belt for automobile engines |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107237862A (en) * | 2017-05-23 | 2017-10-10 | 宁波丰茂远东橡胶有限公司 | A kind of wear-resisting timing belt for automobile timing system |
| CN110373785A (en) * | 2019-07-23 | 2019-10-25 | 无锡宝强工业织造有限公司 | A kind of enhancing canvas and preparation method thereof that shock resistance is used for conveyer belt |
| CN112458759A (en) * | 2020-10-12 | 2021-03-09 | 苏州考特茨工业纺织品有限公司 | Water-based hydrogenated nitrile rubber dipping solution for oil-resistant heat-resistant synchronous belt, preparation method of water-based hydrogenated nitrile rubber dipping solution and preparation process of dipped fabric |
| CN113790246A (en) * | 2021-09-16 | 2021-12-14 | 智天工业技术(苏州)有限公司 | Heavy-load high-precision toothed belt |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107237862A (en) * | 2017-05-23 | 2017-10-10 | 宁波丰茂远东橡胶有限公司 | A kind of wear-resisting timing belt for automobile timing system |
| CN110373785A (en) * | 2019-07-23 | 2019-10-25 | 无锡宝强工业织造有限公司 | A kind of enhancing canvas and preparation method thereof that shock resistance is used for conveyer belt |
| CN112458759A (en) * | 2020-10-12 | 2021-03-09 | 苏州考特茨工业纺织品有限公司 | Water-based hydrogenated nitrile rubber dipping solution for oil-resistant heat-resistant synchronous belt, preparation method of water-based hydrogenated nitrile rubber dipping solution and preparation process of dipped fabric |
| CN112458759B (en) * | 2020-10-12 | 2023-03-31 | 苏州考特茨工业纺织品有限公司 | Water-based hydrogenated nitrile butadiene rubber impregnation liquid for oil-resistant and heat-resistant synchronous belt, preparation method of impregnation liquid and preparation process of impregnated cloth |
| CN113790246A (en) * | 2021-09-16 | 2021-12-14 | 智天工业技术(苏州)有限公司 | Heavy-load high-precision toothed belt |
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