CN107559301A - A kind of automobile straight tube bushing and preparation method thereof - Google Patents
A kind of automobile straight tube bushing and preparation method thereof Download PDFInfo
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- CN107559301A CN107559301A CN201710783013.4A CN201710783013A CN107559301A CN 107559301 A CN107559301 A CN 107559301A CN 201710783013 A CN201710783013 A CN 201710783013A CN 107559301 A CN107559301 A CN 107559301A
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Abstract
The invention discloses a kind of automobile straight tube bushing, including metal straight pipe inner tube and rubber sleeve, rubber sleeve is coated on the outside of metal straight pipe inner tube, and there is flange the lower end of rubber sleeve, and the metal straight pipe inner tube includes raw material：Fe, Zn, Al, Sn, Pb, Nb, P and Cu；The rubber sleeve includes raw material：Natural emulsion, butadiene rubber, ethylene propylene diene rubber, sulphur, torch semi-reinforcing carbon black, zinc oxide, alchlor, silane coupler, vulcanization accelerator, age resistor and plasticizer.Gained automobile straight tube bushing of the invention has good fatigue resistance, wearability, heat resistance and ageing resistance; vibrations can effectively be reduced, reduce noise, excellent combination property, service life length; it is suitable for making various automobile bushings; it can be effectively protected that automotive components are without damage, and its raw material is easy to get, and cost is low during use; preparation technology is simple to operate; rational in infrastructure, compact, rigidity is strong, can obtain extensive use.
Description
Technical field
The present invention relates to technical field of automobile parts, more particularly to a kind of automobile straight tube bushing and preparation method thereof.
Background technology
In automobile manufacturing field, bushing has extremely wide application, and it can not only reduce the abrasion of automobile equipment, shake
Dynamic and noise, also with etch-proof function.In moving component, because long-term friction can cause the abrasion of axle or seat, and
This be also it is unavoidable, therefore designer when design often from hardness is relatively low, the preferable material of wearability is bushing
Between axle and seat, can so reduce the abrasion of axle and seat, when liner wear to a certain extent when more resleeve again, this
Sample can save the cost because changing axle or seat.Automobile straight tube bushing generally requires to bear larger pressure and friction at work
Power, and can be because of discontinuity equalization, and cause some side of straight tube bushing to be destroyed.In the prior art, automobile straight tube bushing one
As include metal lead directly to outer tube, intermediate rubber packed layer and inner sleeve three parts, wherein preparation method is then directly that metal is straight
Logical outer tube connects to be formed with inner sleeve by intermediate rubber packed layer.Existing automobile straight tube bushing exists more to wear no resistance, is elastic
Difference, the defects of damping effect and noise reduction are bad, and the defects of due to preparation technology, generally existing unreasonable structure, rigidity
The defects of hardly possible is adjusted, and straight tube bushing total quality is bad.Based on above statement, the present invention propose a kind of automobile straight tube bushing and its
Preparation method.
The content of the invention
The invention aims to solve shortcoming present in prior art, and a kind of automobile straight tube bushing for proposing and
Its preparation method.
A kind of automobile straight tube bushing, including metal straight pipe inner tube and rubber sleeve, rubber sleeve are coated in metal straight pipe
On the outside of pipe, and there is flange the lower end of rubber sleeve, and the metal straight pipe inner tube includes the raw material of following percentage by weight：Fe 0.5
~1.1%, Zn 0.3~0.8%, Al 2.3~3.8%, Sn 15~25%, Pb 17~23%, Nb 0.05~0.1%, P 0.08~
0.15%th, surplus Cu；The rubber sleeve includes the raw material of following parts by weight：20~40 parts of natural emulsion, butadiene rubber 20~
30 parts, 28~40 parts of ethylene propylene diene rubber, 5~12 parts of sulphur, 18~28 parts of torch semi-reinforcing carbon black, 4~9 parts of zinc oxide, three
7~12 parts of aluminium chloride, 0.5~1 part of silane coupler, 3~4 parts of vulcanization accelerator, 2~5 parts of age resistor, 1~3 part of plasticizer.
Preferably, the metal straight pipe inner tube includes the raw material of following percentage by weight：Fe 0.6~1%, Zn 0.4~
0.7%th, Al 2.5~3.5%, Sn 18~24%, Pb 18~22%, Nb 0.06~0.08%, P 0.1~0.14%, surplus Cu.
Preferably, the metal straight pipe inner tube includes the raw material of following percentage by weight：Fe 0.8%、Zn 0.5%、Al
3%th, Sn 20%, Pb 20%, Nb 0.07%, P 0.12%, surplus Cu.
Preferably, the rubber sleeve includes the raw material of following parts by weight：25~35 parts of natural emulsion, butadiene rubber 22~
28 parts, 30~38 parts of ethylene propylene diene rubber, 6~10 parts of sulphur, 20~26 parts of torch semi-reinforcing carbon black, 5~8 parts of zinc oxide, three
9~11 parts of aluminium chloride, 0.6~0.8 part of silane coupler, 3.2~3.8 parts of vulcanization accelerator, 3~4 parts of age resistor, plasticizer
1.5~2.5 parts.
Preferably, the rubber sleeve includes the raw material of following parts by weight：30 parts of natural emulsion, 25 parts of butadiene rubber, three
First 34 parts of EP rubbers, 8 parts of sulphur, 24 parts of torch semi-reinforcing carbon black, 6 parts of zinc oxide, 10 parts of alchlor, silane coupler
0.7 part, 3.5 parts of vulcanization accelerator, 3.5 parts of age resistor, 2 parts of plasticizer.
The invention also provides a kind of preparation method of automobile straight tube bushing, comprise the following steps：
S1, Fe, Zn, Al, Sn, Pb, Nb, P and Cu of the percentage by weight be added in smelting furnace, with 20~30 DEG C/min
Speed be warming up to 600~800 DEG C after, continue to be warming up to after material is completely melt with 7~12 DEG C of speed, insulation melting 3~
5h, side melting, which becomes, is passed through inert protective gas, after completing melting, obtains aluminium alloy；
S2, the aluminium alloy of gained in step S1, which is cast, is made metal straight pipe inner tube casting, and the casting of cast molding is heated to
Conducting forging processing is carried out after 880~1080 DEG C, temper, Quenching Treatment are carried out after being disposed, then polishes and produces after air cooling
Metal straight pipe inner tube；
S3, the zinc oxide of the proportion, alchlor, silane coupler, age resistor and plasticizer be added to grinder jointly
In, 20~40min is fully ground, obtains mixed aid；
S4, the natural emulsion, butadiene rubber and ethylene propylene diene rubber of the proportion be added in rubber vulcanizing tank, 165~
Vulcanize 4~7h under conditions of 190 DEG C, the sulphur and torch semi-reinforcing carbon black of the proportion are added in sulfidation, in vulcanization
Mixing is stirred with 320~400r/min rotating speed, after completing vulcanization, 100~124 DEG C is cooled to, adds institute in step S3
The mixed aid obtained, continues to be stirred 1~2h, obtains synthetic rubber；
S5, by step S4 gained synthetic rubber mill shaping, air cooling are carried out under conditions of 60~75 DEG C by mill
Deburring, appearance test and undergauge processing are carried out afterwards, obtain rubber sleeve；
S6, rubber sleeve is cut out to the cylindrical blank to match with metal straight pipe inner tube, be then sleeved on metal straight pipe inner tube
On, and car goes out the flange of rubber sleeve, produces required automobile straight tube bushing.
A kind of automobile straight tube bushing proposed by the present invention, it has good fatigue resistance, wearability, heat resistance and resisted
Aging, it can effectively reduce vibrations, reduce noise, excellent combination property, service life length, be suitable for making various vapour
Car bushing, can be effectively protected that automotive components are without damage, and raw material of the present invention is easy to get, and cost is low, preparation technology during use
Simple to operate, gained automobile straight tube bush structure is reasonable, compact, and rigidity is strong, can obtain extensive use.
Embodiment
The present invention is made with reference to specific embodiment further to explain.
Embodiment one
A kind of automobile straight tube bushing proposed by the present invention, including metal straight pipe inner tube and rubber sleeve, rubber sleeve are coated on gold
Belong on the outside of straight tube inner tube, and there is flange the lower end of rubber sleeve, the metal straight pipe inner tube includes the original of following percentage by weight
Material：Fe 1.1%, Zn 0.8%, Al 3.8%, Sn 25%, Pb 23%, Nb 0.1%, P 0.15%, surplus Cu；Outside the rubber
Set includes the raw material of following parts by weight：40 parts of natural emulsion, 30 parts of butadiene rubber, 40 parts of ethylene propylene diene rubber, 12 parts of sulphur, fire
28 parts of torch semi-reinforcing carbon black, 9 parts of zinc oxide, 12 parts of alchlor, 1 part of silane coupler, 4 parts of vulcanization accelerator, age resistor 5
Part, 3 parts of plasticizer.
Its preparation method, comprise the following steps：
S1, Fe, Zn, Al, Sn, Pb, Nb, P and Cu of the percentage by weight be added in smelting furnace, with 30 DEG C/min speed
After rate is warming up to 800 DEG C, continues to be warming up to after material is completely melt with 12 DEG C of speed, be incubated melting 5h, side melting, which becomes, to be passed through
Inert protective gas, after completing melting, obtain aluminium alloy；
S2, the aluminium alloy of gained in step S1, which is cast, is made metal straight pipe inner tube casting, and the casting of cast molding is heated to
Conducting forging processing is carried out after 1080 DEG C, temper, Quenching Treatment are carried out after being disposed, then being polished after air cooling, it is straight to produce metal
Pipe inner tube；
S3, the zinc oxide of the proportion, alchlor, silane coupler, age resistor and plasticizer be added to grinder jointly
In, 40min is fully ground, obtains mixed aid；
S4, the natural emulsion, butadiene rubber and ethylene propylene diene rubber of the proportion be added in rubber vulcanizing tank, at 190 DEG C
Under conditions of vulcanize 7h, the sulphur and torch semi-reinforcing carbon black of the proportion are added in sulfidation, while vulcanization while with 400r/
Min rotating speed is stirred mixing, after completing vulcanization, is cooled to 124 DEG C, adds the mixed aid of gained in step S3, continues
2h is stirred, obtains synthetic rubber；
S5, by step S4 gained synthetic rubber mill shaping is carried out under conditions of 75 DEG C by mill, air cooling is laggard
Row deburring, appearance test and undergauge processing, obtain rubber sleeve；
S6, rubber sleeve is cut out to the cylindrical blank to match with metal straight pipe inner tube, be then sleeved on metal straight pipe inner tube
On, and car goes out the flange of rubber sleeve, produces required automobile straight tube bushing.
Embodiment two
A kind of automobile straight tube bushing proposed by the present invention, including metal straight pipe inner tube and rubber sleeve, rubber sleeve are coated on gold
Belong on the outside of straight tube inner tube, and there is flange the lower end of rubber sleeve, the metal straight pipe inner tube includes the original of following percentage by weight
Material：Fe 0.8%, Zn 0.5%, Al 3%, Sn 20%, Pb 20%, Nb 0.07%, P 0.12%, surplus Cu；The rubber sleeve
Include the raw material of following parts by weight：30 parts of natural emulsion, 25 parts of butadiene rubber, 34 parts of ethylene propylene diene rubber, 8 parts of sulphur, torch
24 parts of semi-reinforcing carbon black, 6 parts of zinc oxide, 10 parts of alchlor, 0.7 part of silane coupler, 3.5 parts of vulcanization accelerator, age resistor
3.5 parts, 2 parts of plasticizer.
Its preparation method, comprise the following steps：
S1, Fe, Zn, Al, Sn, Pb, Nb, P and Cu of the percentage by weight be added in smelting furnace, with 25 DEG C/min speed
After rate is warming up to 700 DEG C, continues to be warming up to after material is completely melt with 10 DEG C of speed, be incubated melting 4h, side melting, which becomes, to be passed through
Inert protective gas, after completing melting, obtain aluminium alloy；
S2, the aluminium alloy of gained in step S1, which is cast, is made metal straight pipe inner tube casting, and the casting of cast molding is heated to
Conducting forging processing is carried out after 980 DEG C, temper, Quenching Treatment are carried out after being disposed, then being polished after air cooling, it is straight to produce metal
Pipe inner tube；
S3, the zinc oxide of the proportion, alchlor, silane coupler, age resistor and plasticizer be added to grinder jointly
In, 30min is fully ground, obtains mixed aid；
S4, the natural emulsion, butadiene rubber and ethylene propylene diene rubber of the proportion be added in rubber vulcanizing tank, at 172 DEG C
Under conditions of vulcanize 5.5h, the sulphur and torch semi-reinforcing carbon black of the proportion are added in sulfidation, while vulcanization while with 360r/
Min rotating speed is stirred mixing, after completing vulcanization, is cooled to 112 DEG C, adds the mixed aid of gained in step S3, continues
1.5h is stirred, obtains synthetic rubber；
S5, by step S4 gained synthetic rubber mill shaping is carried out under conditions of 68 DEG C by mill, air cooling is laggard
Row deburring, appearance test and undergauge processing, obtain rubber sleeve；
S6, rubber sleeve is cut out to the cylindrical blank to match with metal straight pipe inner tube, be then sleeved on metal straight pipe inner tube
On, and car goes out the flange of rubber sleeve, produces required automobile straight tube bushing.
Embodiment three
A kind of automobile straight tube bushing proposed by the present invention, including metal straight pipe inner tube and rubber sleeve, rubber sleeve are coated on gold
Belong on the outside of straight tube inner tube, and there is flange the lower end of rubber sleeve, the metal straight pipe inner tube includes the original of following percentage by weight
Material：Fe 0.5%, Zn 0.3%, Al 2.3%, Sn 15%, Pb 17%, Nb 0.05%, P 0.08%, surplus Cu；Outside the rubber
Set includes the raw material of following parts by weight：20 parts of natural emulsion, 20 parts of butadiene rubber, 28 parts of ethylene propylene diene rubber, 5 parts of sulphur, fire
18 parts of torch semi-reinforcing carbon black, 4 parts of zinc oxide, 7 parts of alchlor, 0.5 part of silane coupler, 3 parts of vulcanization accelerator, age resistor 2
Part, 1 part of plasticizer.
Its preparation method, comprise the following steps：
S1, Fe, Zn, Al, Sn, Pb, Nb, P and Cu of the percentage by weight be added in smelting furnace, with 20 DEG C/min speed
After rate is warming up to 600 DEG C, continue to be warming up to after material is completely melt with 7 DEG C of speed, be incubated melting 3h, side melting become be passed through it is lazy
Property protective gas, complete melting after, obtain aluminium alloy；
S2, the aluminium alloy of gained in step S1, which is cast, is made metal straight pipe inner tube casting, and the casting of cast molding is heated to
Conducting forging processing is carried out after 880 DEG C, temper, Quenching Treatment are carried out after being disposed, then being polished after air cooling, it is straight to produce metal
Pipe inner tube；
S3, the zinc oxide of the proportion, alchlor, silane coupler, age resistor and plasticizer be added to grinder jointly
In, 20min is fully ground, obtains mixed aid；
S4, the natural emulsion, butadiene rubber and ethylene propylene diene rubber of the proportion be added in rubber vulcanizing tank, at 165 DEG C
Under conditions of vulcanize 4h, the sulphur and torch semi-reinforcing carbon black of the proportion are added in sulfidation, while vulcanization while with 320r/
Min rotating speed is stirred mixing, after completing vulcanization, is cooled to 100 DEG C, adds the mixed aid of gained in step S3, continues
1h is stirred, obtains synthetic rubber；
S5, by step S4 gained synthetic rubber mill shaping is carried out under conditions of 60 DEG C by mill, air cooling is laggard
Row deburring, appearance test and undergauge processing, obtain rubber sleeve；
S6, rubber sleeve is cut out to the cylindrical blank to match with metal straight pipe inner tube, be then sleeved on metal straight pipe inner tube
On, and car goes out the flange of rubber sleeve, produces required automobile straight tube bushing.
Test respectively in the embodiment of the present invention one~tri- outside metal straight pipe inner tube and the rubber of the automobile straight tube bushing prepared
The performance of set, draw following parameter：
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto, it is any
Those familiar with the art the invention discloses technical scope in, technique according to the invention scheme and its invention
Design is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (6)
1. a kind of automobile straight tube bushing, including metal straight pipe inner tube and rubber sleeve, rubber sleeve are coated on metal straight pipe inner tube
Outside, and there is flange the lower end of rubber sleeve, it is characterised in that the metal straight pipe inner tube includes the original of following percentage by weight
Material：Fe 0.5~1.1%, Zn 0.3~0.8%, Al 2.3~3.8%, Sn 15~25%, Pb 17~23%, Nb 0.05~
0.1%th, P 0.08~0.15%, surplus Cu；The rubber sleeve includes the raw material of following parts by weight：Natural emulsion 20~40
Part, 20~30 parts of butadiene rubber, 28~40 parts of ethylene propylene diene rubber, 5~12 parts of sulphur, 18~28 parts of torch semi-reinforcing carbon black,
4~9 parts of zinc oxide, 7~12 parts of alchlor, 0.5~1 part of silane coupler, 3~4 parts of vulcanization accelerator, age resistor 2~5
Part, 1~3 part of plasticizer.
2. a kind of automobile straight tube bushing according to claim 1, it is characterised in that the metal straight pipe inner tube includes following
The raw material of percentage by weight：Fe 0.6~1%, Zn 0.4~0.7%, Al 2.5~3.5%, Sn 18~24%, Pb 18~22%,
Nb 0.06~0.08%, P 0.1~0.14%, surplus Cu.
3. a kind of automobile straight tube bushing according to claim 1, it is characterised in that the metal straight pipe inner tube includes following
The raw material of percentage by weight：Fe 0.8%, Zn 0.5%, Al 3%, Sn 20%, Pb 20%, Nb 0.07%, P 0.12%, surplus are
Cu。
4. a kind of automobile straight tube bushing according to claim 1, it is characterised in that the rubber sleeve includes following weight
The raw material of part：25~35 parts of natural emulsion, 22~28 parts of butadiene rubber, 30~38 parts of ethylene propylene diene rubber, 6~10 parts of sulphur,
20~26 parts of torch semi-reinforcing carbon black, 5~8 parts of zinc oxide, 9~11 parts of alchlor, 0.6~0.8 part of silane coupler, vulcanization
3.2~3.8 parts of accelerator, 3~4 parts of age resistor, 1.5~2.5 parts of plasticizer.
5. a kind of automobile straight tube bushing according to claim 1, it is characterised in that the rubber sleeve includes following weight
The raw material of part：30 parts of natural emulsion, 25 parts of butadiene rubber, 34 parts of ethylene propylene diene rubber, 8 parts of sulphur, torch semi-reinforcing carbon black 24
Part, 6 parts of zinc oxide, 10 parts of alchlor, 0.7 part of silane coupler, 3.5 parts of vulcanization accelerator, 3.5 parts of age resistor, plasticizer 2
Part.
6. a kind of preparation method of automobile straight tube bushing, it is characterised in that comprise the following steps：
S1, Fe, Zn, Al, Sn, Pb, Nb, P and Cu of the percentage by weight be added in smelting furnace, with 20~30 DEG C/min
Speed be warming up to 600~800 DEG C after, continue to be warming up to after material is completely melt with 7~12 DEG C of speed, insulation melting 3~
5h, side melting, which becomes, is passed through inert protective gas, after completing melting, obtains aluminium alloy；
S2, the aluminium alloy of gained in step S1, which is cast, is made metal straight pipe inner tube casting, and the casting of cast molding is heated to
Conducting forging processing is carried out after 880~1080 DEG C, temper, Quenching Treatment are carried out after being disposed, then polishes and produces after air cooling
Metal straight pipe inner tube；
S3, the zinc oxide of the proportion, alchlor, silane coupler, age resistor and plasticizer be added to grinder jointly
In, 20~40min is fully ground, obtains mixed aid；
S4, the natural emulsion, butadiene rubber and ethylene propylene diene rubber of the proportion be added in rubber vulcanizing tank, 165~
Vulcanize 4~7h under conditions of 190 DEG C, the sulphur and torch semi-reinforcing carbon black of the proportion are added in sulfidation, in vulcanization
Mixing is stirred with 320~400r/min rotating speed, after completing vulcanization, 100~124 DEG C is cooled to, adds institute in step S3
The mixed aid obtained, continues to be stirred 1~2h, obtains synthetic rubber；
S5, by step S4 gained synthetic rubber mill shaping, air cooling are carried out under conditions of 60~75 DEG C by mill
Deburring, appearance test and undergauge processing are carried out afterwards, obtain rubber sleeve；
S6, rubber sleeve is cut out to the cylindrical blank to match with metal straight pipe inner tube, be then sleeved on metal straight pipe inner tube
On, and car goes out the flange of rubber sleeve, produces required automobile straight tube bushing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710783013.4A CN107559301A (en) | 2017-09-03 | 2017-09-03 | A kind of automobile straight tube bushing and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710783013.4A CN107559301A (en) | 2017-09-03 | 2017-09-03 | A kind of automobile straight tube bushing and preparation method thereof |
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| Publication Number | Publication Date |
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| CN107559301A true CN107559301A (en) | 2018-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710783013.4A Pending CN107559301A (en) | 2017-09-03 | 2017-09-03 | A kind of automobile straight tube bushing and preparation method thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030173000A1 (en) * | 2002-03-18 | 2003-09-18 | Daido Metal Company, Ltd. | Sliding material |
| US20070253858A1 (en) * | 2006-04-28 | 2007-11-01 | Maher Ababneh | Copper multicomponent alloy and its use |
| CN102207147A (en) * | 2011-03-17 | 2011-10-05 | 韦隽彧 | Rubber bush assembly of automobile |
| CN102777499A (en) * | 2012-06-26 | 2012-11-14 | 上海华龙高新科技有限公司 | Super polymer alloy bearing bush and manufacturing method thereof |
| CN104401194A (en) * | 2014-10-31 | 2015-03-11 | 柳州市二和汽车零部件有限公司 | Method for processing rubber bushing of automobile suspension |
| CN106633225A (en) * | 2016-12-19 | 2017-05-10 | 安徽天裕汽车零部件制造有限公司 | Machining method for rubber bush of automotive suspension |
-
2017
- 2017-09-03 CN CN201710783013.4A patent/CN107559301A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030173000A1 (en) * | 2002-03-18 | 2003-09-18 | Daido Metal Company, Ltd. | Sliding material |
| JP2003269456A (en) * | 2002-03-18 | 2003-09-25 | Daido Metal Co Ltd | Slide material |
| US20070253858A1 (en) * | 2006-04-28 | 2007-11-01 | Maher Ababneh | Copper multicomponent alloy and its use |
| CN102207147A (en) * | 2011-03-17 | 2011-10-05 | 韦隽彧 | Rubber bush assembly of automobile |
| CN102777499A (en) * | 2012-06-26 | 2012-11-14 | 上海华龙高新科技有限公司 | Super polymer alloy bearing bush and manufacturing method thereof |
| CN104401194A (en) * | 2014-10-31 | 2015-03-11 | 柳州市二和汽车零部件有限公司 | Method for processing rubber bushing of automobile suspension |
| CN106633225A (en) * | 2016-12-19 | 2017-05-10 | 安徽天裕汽车零部件制造有限公司 | Machining method for rubber bush of automotive suspension |
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Application publication date: 20180109 |