CN109897243A - A kind of composite material suitable for doing harvest corn machine cylinder spike-tooth - Google Patents
A kind of composite material suitable for doing harvest corn machine cylinder spike-tooth Download PDFInfo
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- CN109897243A CN109897243A CN201910275771.4A CN201910275771A CN109897243A CN 109897243 A CN109897243 A CN 109897243A CN 201910275771 A CN201910275771 A CN 201910275771A CN 109897243 A CN109897243 A CN 109897243A
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Abstract
The invention belongs to polymeric material field, in particular to a kind of composite material suitable for doing harvest corn machine cylinder spike-tooth.Its ingredient includes ABS plastic, nitrile rubber NBR, activating agent and rubber chemicals, in which: ABS plastic is 11.18~13.66wt%, and activating agent is zinc oxide and stearic acid；Wherein, zinc oxide is nano zine oxide n-ZnO, 2.48~2.49wt%；1.24~1.25wt% of stearic acid；Rubber compounding agent content is 21.74~22.36wt%；Remaining is nitrile rubber.Nitrile rubber is added in the present invention in ABS plastic; obtained composite material has the characteristics that wearability is good, good mechanical property; suitable for doing monoblock type harvest corn machine cylinder spike-tooth, avoiding NBR protective case in the prior art can the damaged or even problem for causing percentage of impurity excessively high that falls off.
Description
Technical field
It is the invention belongs to polymeric material field, in particular to a kind of suitable for doing the compound of harvest corn machine cylinder spike-tooth
Material.
Background technique
Threshing is the key link in corn mechanical harvest.The quality that spike-tooth designs in separating mechanism, will directly influence
The percentage of damage of corn mechanical harvest seed.If spike-tooth design of material is unreasonable in threshing structure, it will lead to seed damage
Rate is higher, seed large area mildew.Seed can be reduced under the premise of guaranteeing the spike-tooth service life using suitable material production spike-tooth
Grain percentage of damage, be destroyed corn kernel will not when with spike-tooth contact impact.Therefore the research of spike-tooth material is had become
The hot spot currently studied both at home and abroad, and there is important scientific meaning and engineering application value.
Currently, one is monoblock type, i.e., whole spike-tooth is by polyurethane in threshing structure there are two types of the design forms of spike-tooth
Material is constituted；Another kind is packaging type, i.e., spike-tooth material is steel, is wrapped with the protective case that nitrile rubber (NBR) is material
In the outside of steel nail tooth.For two kinds of materials on spike-tooth, practice discovery is applied on maize harvesting machine there is also more problem,
Such as NBR protective case damaged can even fall off in use for some time, cause percentage of impurity excessively high.It is applicable it is therefore necessary to carry out
In the research for the composite material for doing harvest corn machine cylinder spike-tooth.
Summary of the invention
The composite material that the purpose of the present invention is a kind of suitable for doing harvest corn machine cylinder spike-tooth, the composite material have
Wearability is good, good mechanical property, suitable for doing harvest corn machine cylinder spike-tooth the characteristics of.
To achieve the goals above, the present invention provides the following technical scheme that
A kind of composite material suitable for doing harvest corn machine cylinder spike-tooth, ingredient include ABS plastic, nitrile rubber
NBR, activating agent and rubber chemicals.Wherein, the content of each component is by mass percentage are as follows:
The ABS plastic is 11.18~13.66wt%.
The activating agent is zinc oxide and stearic acid；Wherein, zinc oxide be nano zine oxide n-ZnO, 2.48~
2.49wt%；1.24~1.25wt% of stearic acid.
The rubber chemicals are promotor, anti-aging agent, reinforcing filler and sulphur, and rubber compounding agent content is
21.74~22.36wt%；Remaining is nitrile rubber NBR.
The nitrile rubber NBR uses NBR3604 type.
The ABS plastic carries out surface organic modification using silane coupling agent and crosses；The type of ABS plastic is general punching
Hit type ABS resin.
The rubber accelerator includes primary accelerator and secondary promotor, and primary accelerator is captax, and content is 1.18~
1.30wt%；Secondary promotor is accelerant CZ, and content is 0.25~0.37wt%.
The anti-aging agent is anti-aging agent RD, and content is 0.56~0.68wt%.
The reinforcing filler is carbon black N330, and content is 17.39~19.88wt%.
The content of sulphur is 1.18~1.30wt%.
The composite material is made by the steps:
First ABS plastic surface is carried out with Silane coupling agent KH550 organically-modified.
Then ABS/NBR composite material is prepared by mechanical blending method.
Application mode of the composite material on spike-tooth is to prepare monoblock type spike-tooth.
Compared with prior art, the beneficial effects of the present invention are:
1) composite material for being suitable for doing harvest corn machine cylinder spike-tooth of the invention, is mixed in NBR for ABS plastic, increases
The strong wearability of NBR；
2) composite material for being suitable for doing harvest corn machine cylinder spike-tooth of the invention, cooks activating agent with n-ZnO, further
Enhance the wearability of material；
3) composite material for being suitable for doing harvest corn machine cylinder spike-tooth of the invention, suitable for doing monoblock type harvest corn
Machine cylinder spike-tooth, avoiding NBR protective case in the prior art can the damaged or even problem for causing percentage of impurity excessively high that falls off.
4) in the prior art, the material for packaging type spike-tooth is wrapped in nitrile rubber (NBR) outside steel nail tooth, this
Nitrile rubber (NBR) is added in invention in ABS plastic, can be used for manufacturing monoblock type spike-tooth.
Detailed description of the invention:
Fig. 1 is the composite material for being suitable for doing harvest corn machine cylinder spike-tooth of the invention, ABS dosage and sample abrasion loss
Curve graph；
Fig. 2 is the composite material for being suitable for doing harvest corn machine cylinder spike-tooth of the invention, and ABS dosage and tensile strength are bent
Line chart；
Fig. 3 is the composite material for being suitable for doing harvest corn machine cylinder spike-tooth of the invention, and ABS dosage and tearing strength are bent
Line chart；
Fig. 4 is the composite material for being suitable for doing harvest corn machine cylinder spike-tooth of the invention, ABS dosage and 100% fixed drawing
Stretch stress diagrams；
Fig. 5 is the composite material for being suitable for doing harvest corn machine cylinder spike-tooth of the invention, ABS dosage and Shore A hardness
Curve graph；
Fig. 6 is the composite material for being suitable for doing harvest corn machine cylinder spike-tooth of the invention, different type zinc oxide and examination
The histogram of sample abrasion loss.
Specific embodiment
The invention will be further described combined with specific embodiments below.
A kind of composite material suitable for doing harvest corn machine cylinder spike-tooth, ingredient include ABS plastic, nitrile rubber
(NBR), activating agent and rubber chemicals；Wherein the mass fraction of each component is as follows:
The mass fraction of the nitrile rubber (NBR) is 100.
Preferably, NBR uses NBR3604 type.
The mass fraction of the ABS plastic is 20；The type of ABS plastic is general impingement ABS resin.
The activating agent is zinc oxide and stearic acid；Wherein, it is 4 that zinc oxide, which is the mass fraction of nano zine oxide n-ZnO,
Stearic mass fraction is 2.
The rubber chemicals are promotor, anti-aging agent, reinforcing filler and sulphur.Wherein, the promotor includes
Primary accelerator and secondary promotor, primary accelerator is captax, mass fraction 2；Secondary promotor is accelerant CZ, quality
Number is 0.5.The anti-aging agent is anti-aging agent RD, mass fraction 1.The reinforcing filler is carbon black N330, quality
Number is 30.The mass fraction of sulphur is 2.
The preparation method of the composite material includes the following steps:
1) ABS plastic surface is carried out with Silane coupling agent KH550 organically-modified.
2) NBR is placed in two-roll mill the 4min that first plasticates, then successively adds (nanometer) zinc oxide, tristearin in order
Acid, captax, accelerant CZ, anti-aging agent RD, sulphur, carbon black N330, ABS.It is to be mixed uniformly after remove and place at room temperature
2h is vulcanized on vulcameter, records curing curve, vulcanization time T90 is measured, to control the time of subsequent vulcanization.So
Vulcanized on vulcanizing press afterwards, obtains mixture.
Embodiment
A kind of composite material suitable for doing harvest corn machine cylinder spike-tooth of the invention, by control ABS dosage come
Realize its influence to this kind of ABS/NBR composite property.The type of zinc oxide activating agent is added by control to realize it
Influence to this kind of ABS/NBR composite property.Using the harvest corn machine cylinder spike-tooth of the composite material, after abrasion
Performance is significantly better than material in the prior art.
The selection of the optimal dosage of ABS and optimal zinc oxide type is tested to obtain by following two groups.
A. optimal ABS dosage is determined: using ABS dosage as the test of variable
The sample of seven groups of composite materials, the ABS mass fraction in every group of sample are prepared according to the preparation method of composite material
It is respectively as follows: 0,5,10,15,20,25,30；Other compounding agents are constant.
Wear test is carried out to said sample using Akron abrasion machine respectively, data is recorded, draws the dosage and examination of ABS
The curve graph of sample abrasion loss, as shown in Figure 1, wherein horizontal axis is ABS dosage, and the longitudinal axis is abrasion loss.
The tensile strength, tearing strength, 100% fixed stretches for being tested said sample respectively using universal tensile testing machine are answered
Power, and use shore durometer tests the Shore A hardness of said sample respectively.Data are recorded, draw each mechanical property respectively
The curve graph of energy index, as shown in Fig. 2~Fig. 5, respectively tensile strength curve figure, tearing strength curve graph, 100% fixed stretching
Stress diagrams and Shore A hardness curve graph；Wherein, horizontal axis is ABS dosage, and the longitudinal axis is each mechanical performance index.
In summary each index curve graph selects the optimal ABS dosage of ABS/NBR composite material.The mass parts of optimal ABS
Number is 20.
B) optimal zinc oxide type is selected: using zinc oxide type as the test of variable
The sample of two groups of composite materials, the ABS mass fraction in every group of sample are prepared according to the preparation method of composite material
It is 20；The type of zinc oxide is respectively nano zine oxide n-ZnO and common zinc oxide c-ZnO, other compounding agents are constant.
Wear test is carried out to said sample respectively with Akron abrasion machine, data is recorded, draws different type zinc oxide
With the histogram of sample abrasion loss, as shown in Figure 6, wherein horizontal axis is zinc oxide type, the longitudinal axis is abrasion loss.
It is obtained after wearability test, ABS/NBR composite material of the invention is more resistance to than single NBR compared to single NBR
Polishing machine improves 11%；When be added zinc oxide type be nano zine oxide (n-ZnO) when, ABS/NBR composite material it is resistance to
Polishing machine is best, and the abrasion resistance properties than common zinc oxide is added improve 4%.
Claims (9)
1. a kind of composite material suitable for doing harvest corn machine cylinder spike-tooth, it is characterised in that: its ingredient include ABS plastic,
Nitrile rubber NBR, activating agent and rubber chemicals；Wherein, the content of each component is by mass percentage are as follows:
The ABS plastic is 11.18~13.66wt%；
The activating agent is zinc oxide and stearic acid；Wherein, zinc oxide is nano zine oxide n-ZnO, 2.48~2.49wt%；Firmly
1.24~1.25wt% of resin acid；
The rubber chemicals be promotor, anti-aging agent, reinforcing filler and sulphur, rubber compounding agent content be 21.74~
22.36wt%；Remaining is nitrile rubber NBR.
2. the composite material according to claim 1 for being suitable for doing harvest corn machine cylinder spike-tooth, it is characterised in that: described
Nitrile rubber NBR uses NBR3604 type.
3. the composite material according to claim 1 for being suitable for doing harvest corn machine cylinder spike-tooth, it is characterised in that: described
ABS plastic carries out surface organic modification using silane coupling agent and crosses；The type of ABS plastic is general impingement ABS resin.
4. the composite material according to claim 1 for being suitable for doing harvest corn machine cylinder spike-tooth, it is characterised in that: described
Rubber accelerator includes primary accelerator and secondary promotor, and primary accelerator is captax, and content is 1.18~1.30wt%；It is secondary
Promotor is accelerant CZ, and content is 0.25~0.37wt%.
5. the composite material according to claim 1 for being suitable for doing harvest corn machine cylinder spike-tooth, it is characterised in that: described
Anti-aging agent is anti-aging agent RD, and content is 0.56~0.68wt%.
6. the composite material according to claim 1 for being suitable for doing harvest corn machine cylinder spike-tooth, it is characterised in that: described
Reinforcing filler is carbon black N330, and content is 17.39~19.88wt%.
7. the composite material according to claim 1 for being suitable for doing harvest corn machine cylinder spike-tooth, it is characterised in that: sulphur
Content be 1.18~1.30wt%.
8. the composite material according to claim 1 for being suitable for doing harvest corn machine cylinder spike-tooth, it is characterised in that: this is multiple
Condensation material is made by the steps:
First ABS plastic surface is carried out with Silane coupling agent KH550 organically-modified；
Then ABS/NBR composite material is prepared by mechanical blending method.
9. the composite material according to claim 1 for being suitable for doing harvest corn machine cylinder spike-tooth, it is characterised in that: this is multiple
Application mode of the condensation material on spike-tooth is to prepare monoblock type spike-tooth.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910275771.4A CN109897243A (en) | 2019-04-08 | 2019-04-08 | A kind of composite material suitable for doing harvest corn machine cylinder spike-tooth |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910275771.4A CN109897243A (en) | 2019-04-08 | 2019-04-08 | A kind of composite material suitable for doing harvest corn machine cylinder spike-tooth |
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| CN109897243A true CN109897243A (en) | 2019-06-18 |
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| CN201910275771.4A Pending CN109897243A (en) | 2019-04-08 | 2019-04-08 | A kind of composite material suitable for doing harvest corn machine cylinder spike-tooth |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115819917A (en) * | 2022-12-22 | 2023-03-21 | 金发科技股份有限公司 | ABS composite material and preparation method and application thereof |
Citations (4)
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| CN103554570A (en) * | 2013-10-25 | 2014-02-05 | 安徽文峰电子科技集团有限公司 | High-strength wear-resisting nitrile butadiene rubber cable material |
| CN104311921A (en) * | 2014-10-27 | 2015-01-28 | 安徽锐视光电技术有限公司 | Cold-resistant, light-resistant and water-resistant synthetic rubber for color selector and preparation method of synthetic rubber |
| CN106750663A (en) * | 2017-01-18 | 2017-05-31 | 长春蓝天高新技术密封材料有限责任公司 | A kind of encapsulant and preparation method thereof |
| CN106995572A (en) * | 2017-05-18 | 2017-08-01 | 含山瑞可金属有限公司 | Automobile damages connector and preparation method thereof with water proof and wearable |
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2019
- 2019-04-08 CN CN201910275771.4A patent/CN109897243A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103554570A (en) * | 2013-10-25 | 2014-02-05 | 安徽文峰电子科技集团有限公司 | High-strength wear-resisting nitrile butadiene rubber cable material |
| CN104311921A (en) * | 2014-10-27 | 2015-01-28 | 安徽锐视光电技术有限公司 | Cold-resistant, light-resistant and water-resistant synthetic rubber for color selector and preparation method of synthetic rubber |
| CN106750663A (en) * | 2017-01-18 | 2017-05-31 | 长春蓝天高新技术密封材料有限责任公司 | A kind of encapsulant and preparation method thereof |
| CN106995572A (en) * | 2017-05-18 | 2017-08-01 | 含山瑞可金属有限公司 | Automobile damages connector and preparation method thereof with water proof and wearable |
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| 安秋凤等: "《塑料加工助剂》", 30 September 2004 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115819917A (en) * | 2022-12-22 | 2023-03-21 | 金发科技股份有限公司 | ABS composite material and preparation method and application thereof |
| CN115819917B (en) * | 2022-12-22 | 2024-03-22 | 金发科技股份有限公司 | ABS composite material and preparation method and application thereof |
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