CN101920569B - Production method of temperature resistant and wear resistant oil seal - Google Patents
Production method of temperature resistant and wear resistant oil seal Download PDFInfo
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- CN101920569B CN101920569B CN200910147613.7A CN200910147613A CN101920569B CN 101920569 B CN101920569 B CN 101920569B CN 200910147613 A CN200910147613 A CN 200910147613A CN 101920569 B CN101920569 B CN 101920569B
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- rubber
- sealing lip
- bonding
- seal
- rubber seal
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 229920001971 elastomer Polymers 0.000 claims abstract description 57
- 239000005060 rubber Substances 0.000 claims abstract description 57
- 238000007789 sealing Methods 0.000 claims abstract description 47
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 27
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 27
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 15
- 239000003365 glass fiber Substances 0.000 claims abstract description 13
- 229920000459 Nitrile rubber Polymers 0.000 claims abstract description 10
- 238000004381 surface treatment Methods 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 4
- 238000004513 sizing Methods 0.000 claims abstract description 4
- 239000011265 semifinished product Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 238000009417 prefabrication Methods 0.000 claims description 9
- 238000012545 processing Methods 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 6
- 238000005245 sintering Methods 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000013329 compounding Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000004132 cross linking Methods 0.000 claims description 3
- 239000004615 ingredient Substances 0.000 claims description 3
- 238000012216 screening Methods 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 238000002791 soaking Methods 0.000 claims description 3
- 238000011282 treatment Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 abstract 2
- 229920001973 fluoroelastomer Polymers 0.000 abstract 1
- 238000005461 lubrication Methods 0.000 abstract 1
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- 150000002576 ketones Chemical class 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000013007 heat curing Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Sealing Material Composition (AREA)
- Sealing With Elastic Sealing Lips (AREA)
Abstract
The invention relates to a production method of a temperature resistant and wear resistant oil seal, comprising the following steps of: selecting a oil seal skeleton, a confining spring and a rubber sealing ring which are matched, combining and bonding by adopting high-strength bonders, and pressing the confining spring in a spring slot of the rubber sealing ring; carrying out the processes of batching, pressing, forming and the like on rubber, polytetrafluoroethylene and glass fiber by the weight percentage of 30%-45%:40%-55%:10%-20% to manufacture a sealing lip, firstly carrying out surface treatment to the sealing lip, then sizing by adopting special equipment, and finally placing the sealing lip in a purpose-made mold cavity for vulcanized bonding with the rubber sealing ring, wherein nitrile rubber, Aggreko rubber and fluororubber can be used as the rubber. The oil seal has the properties of heat resistance, low temperature resistance, corrosion resistance, excellent non-adhesiveness and self lubrication performance, superstrong low friction coefficient and the like and the advantages of wide application range, long service life and firm and stable bonding and can be applied in various working environments.
Description
Technical field
The present invention relates to a kind of oil sealing, be especially mainly used in high temperature, high pressure, the production method of a kind of temperature resistant and wear resistant oil seal in the working environment of anticorrosive particularly unlubricated material.
Background technology
Oil sealing is mainly used in the place that is tightly connected in different operating environment, also different to the requirement of oil sealing under varying environment, especially in high temperature, high pressure, under high corrosive environment, it is faster that sealing lip on oil sealing damages, affect the service life of oil sealing, and the sealing lip of unlike material also there is certain restriction to the instructions for use of working media, the very big selection that has restricted manufacturer.Oil sealing in the market, the selection of its sealing lip is mainly take General Purpose Rubber or extraordinary mixing of rubber as main, its operating temperature generally within the scope of-60 ℃～200 ℃ and unlike material the instructions for use of working media is also had to fixing restriction, the very big selection of the about manufacturer of pharmacy.Below several frequently seen structure of sealing lip:
Acrylonitrile-butadiene rubber sealing lip: serviceability temperature scope is-25～100 ℃, is not suitable in polar solvent, as ketone, ozone, nitro hydrocarbon, and MEK and chloroform.
Acrylic acid sealing lip: serviceability temperature scope is-15～150 ℃, mechanical strength, compression deformation rate and resistance to water aspect a little less than, oil resistant glue is slightly poor; Be not suitable among hot water, among brake fluid and among phosphate.
Fluorubber sealing lip: serviceability temperature scope is-15～200 ℃, is not used in ketone, low-molecular-weight ester class and the mixture containing nitre.
More than the feature of the material of the sealing lip of conventional oil sealing can not meet compared with severe rugged environment condition especially in some unlubricated material environment simultaneously, as seals some chemical corrosivity goods and materials, dry friction etc., and the scope of application is restricted, and is difficult to meet instructions for use.
Utility model content
The object of this invention is to provide a kind of production method of temperature resistant and wear resistant oil seal, overcome the traditional product scope of application little, be difficult to meet the deficiency of user demand.
The object of the invention is to be achieved through the following technical solutions:
A kind of production method of temperature resistant and wear resistant oil seal, described temperature resistant and wear resistant oil seal is comprised of oil tight skeleton, lock ring spring, rubber seal and sealing lip, described supporting oil tight skeleton, lock ring spring and the rubber seal chosen, the agent of employing high strength bonding by bonding to oil tight skeleton and rubber seal combination, is pressed into lock ring spring in the spring groove of lip Guan Chu of rubber seal on automatic production line; Adopt rubber, polytetrafluoroethylene (PTFE) and glass fibre to make sealing lip through techniques such as selection, batching, compacting, processing, surface treatments, sealing lip is first carried out to surface treatment, then adopt special equipment sizing, finally put into special die cavity and vulcanize and engage with rubber seal.
The percentage by weight of described rubber, polytetrafluoroethylene (PTFE) and glass fibre is: 30%-45%: 40%-55%: 10%-20%, described rubber can adopt nitrile rubber, Ya Like rubber and fluorubber.
Its concrete operations are:
(1) agent of employing high strength bonding, by bonding to oil tight skeleton and rubber seal combination on automatic production line, is pressed into lock ring spring in the spring groove of lip Guan Chu of rubber seal;
(2) adopt rubber, polytetrafluoroethylene (PTFE) and glass fibre to make sealing lip:
A, selection: according to user demand, choose rubber; During nitrile rubber (NBR), be-40～120 ℃, Ya Like rubber (ACM)-30～180 ℃, fluorubber (FPM)-25～300 ℃
B, batching: the rubber of choosing and polytetrafluoroethylene (PTFE) and glass fibre are added to automatic mixing machine by the percentage by weight of 30%-45%: 40%-55%: 10%-20%, evenly mix;
C, compacting: the material base mixing is added in tailormadepiston mould after screening, under 2Mpa condition, continue compacting after 30-45 minute, take out prefabrication;
D, processing: the prefabrication suppressing is put into sintering furnace, sintering under hot conditions, in prefabrication, various compositions merge mutually, within 5-8 hour, merge evenly, carry out nature cooling, form semi-finished product, and semi-finished product are cut under numerical control device, obtaining thickness is the sheet semi-finished product of 3～10mm;
E, surface treatment: sheet semi-finished product, under the environment of 50 degree, are put into low pressure treatment fluid soaking and washing, and after cleaning finishes, taking-up is dried;
(3) adopt shaping equipment processing, obtain the sealing lip of moulding, and the sealing lip after moulding is put into special model cavity, under HTHP, add after the compounding ingredients such as vulcanizing agent, make sealing lip and rubber seal junction produce cross-linking reaction, become elastomeric vulcanizate, thereby realize combination, thereby complete the making of whole oil sealing.
The production method beneficial effect of temperature resistant and wear resistant oil seal of the present invention is: sealing lip adopts polytetrafluoroethylene (PTFE) (Teflon) material, there is the characteristics such as heat-resisting, low temperature resistant, corrosion resistance, different excellent Abherent and self-lubricity, superpower low frictional factor, can be applicable to various working environments, the scope of application is wide, and the life-span is long; The syndeton that rubber seal adopts heat cure to be combined with sealing lip, bonding more firm, stable, wearability is stronger; Meet the user demand under various environment, reduced production cost.
The specific embodiment
The production method of the temperature resistant and wear resistant oil seal described in the embodiment of the present invention, described temperature resistant and wear resistant oil seal is comprised of oil tight skeleton, lock ring spring, rubber seal and sealing lip, described supporting oil tight skeleton, lock ring spring and the rubber seal chosen, the agent of employing high strength bonding by bonding to oil tight skeleton and rubber seal combination, is pressed into lock ring spring in the spring groove of lip Guan Chu of rubber seal on automatic production line; Adopt rubber, polytetrafluoroethylene (PTFE) and glass fibre to make sealing lip through techniques such as selection, batching, compacting, processing, surface treatments, sealing lip is first carried out to surface treatment, then adopt special equipment sizing, finally put into special die cavity and vulcanize and engage with rubber seal.
The percentage by weight of described rubber, polytetrafluoroethylene (PTFE) and glass fibre is: 30%-45%: 40%-55%: 10%-20%, described rubber can adopt nitrile rubber, Ya Like rubber and fluorubber.
Its concrete operations are:
(1) agent of employing high strength bonding, by bonding to oil tight skeleton and rubber seal combination on automatic production line, is pressed into lock ring spring in the spring groove of lip Guan Chu of rubber seal;
(2) adopt rubber, polytetrafluoroethylene (PTFE) and glass fibre to make sealing lip:
A, selection: according to user demand, choose rubber; During nitrile rubber (NBR), be-40～120 ℃, Ya Like rubber (ACM)-30～180 ℃, fluorubber (FPM)-25～300 ℃
B, batching: the rubber of choosing and polytetrafluoroethylene (PTFE) and glass fibre are added to automatic mixing machine by the percentage by weight of 30%-45%: 40%-55%: 10%-20%, evenly mix;
C, compacting: the material base mixing is added in tailormadepiston mould after screening, under 2Mpa condition, continue compacting after 30-45 minute, take out prefabrication;
D, processing: the prefabrication suppressing is put into sintering furnace, sintering under hot conditions, in prefabrication, various compositions merge mutually, within 5-8 hour, merge evenly, carry out nature cooling, form semi-finished product, and semi-finished product are cut under numerical control device, obtaining thickness is the sheet semi-finished product of 3～10mm;
E, surface treatment: sheet semi-finished product, under the environment of 50 degree, are put into low pressure treatment fluid soaking and washing, and after cleaning finishes, taking-up is dried;
(3) adopt shaping equipment processing, obtain the sealing lip of moulding, and the sealing lip after moulding is put into special model cavity, under HTHP, add after the compounding ingredients such as vulcanizing agent, make sealing lip and rubber seal junction produce cross-linking reaction, become elastomeric vulcanizate, thereby realize combination, thereby complete the making of whole oil sealing.
Above-described embodiment, just invents the more preferably one of the specific embodiment, and the common variation that those skilled in the art carries out its contour structures and combination etc. all should be included in protection domain of the present utility model.
Claims (1)
1. the production method of a temperature resistant and wear resistant oil seal, described temperature resistant and wear resistant oil seal is comprised of oil tight skeleton, lock ring spring, rubber seal and sealing lip, choose supporting oil tight skeleton, lock ring spring and rubber seal, the agent of employing high strength bonding by bonding to oil tight skeleton and rubber seal combination, is pressed into lock ring spring in the spring groove of lip Guan Chu of rubber seal on automatic production line; It is characterized in that: adopt rubber, polytetrafluoroethylene (PTFE) and glass fibre to make sealing lip through selection, batching, compacting, processing, process of surface treatment, sealing lip is first carried out to surface treatment, then adopt special equipment sizing, finally put into special die cavity and vulcanize and engage with rubber seal; The percentage by weight of rubber, polytetrafluoroethylene (PTFE) and glass fibre is: 30%-45%: 40%-55%: 10%-20%, and described rubber adopts nitrile rubber, Ya Like rubber or fluorubber; Concrete operations are:
(1) agent of employing high strength bonding, by bonding to oil tight skeleton and rubber seal combination on automatic production line, is pressed into lock ring spring in the spring groove of lip Guan Chu of rubber seal;
(2) adopt rubber, polytetrafluoroethylene (PTFE) and glass fibre to make sealing lip:
A, selection: according to user demand, choose rubber; Nitrile rubber normal running conditions is-40～120 ℃, and Ya Like rubber normal running conditions is-30～180 ℃, and fluorubber normal running conditions is-25～300 ℃;
B, batching: the rubber of choosing and polytetrafluoroethylene (PTFE) and glass fibre are added to automatic mixing machine by certain percentage by weight, mix;
C, compacting: the material base mixing is added in tailormadepiston mould after screening, under 2Mpa condition, continue compacting after 30-45 minute, take out prefabrication;
D, processing: the prefabrication suppressing is put into sintering furnace, sintering under hot conditions, in prefabrication, various compositions merge mutually, within 5-8 hour, merge evenly, carry out nature cooling, form semi-finished product, and semi-finished product are cut under numerical control device, obtaining thickness is the sheet semi-finished product of 3～10mm;
E, surface treatment: sheet semi-finished product, under the environment of 50 degree, are put into low pressure treatment fluid soaking and washing, and after cleaning finishes, taking-up is dried;
(3) adopt shaping equipment processing, obtain the sealing lip of moulding, and the sealing lip after moulding is put into special model cavity, under HTHP, add after vulcanizing agent compounding ingredient, make sealing lip and rubber seal junction produce cross-linking reaction, become elastomeric vulcanizate, thereby realize combination, thereby complete the making of whole oil sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910147613.7A CN101920569B (en) | 2009-06-09 | 2009-06-09 | Production method of temperature resistant and wear resistant oil seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910147613.7A CN101920569B (en) | 2009-06-09 | 2009-06-09 | Production method of temperature resistant and wear resistant oil seal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101920569A CN101920569A (en) | 2010-12-22 |
| CN101920569B true CN101920569B (en) | 2014-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910147613.7A Active CN101920569B (en) | 2009-06-09 | 2009-06-09 | Production method of temperature resistant and wear resistant oil seal |
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Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102585311B (en) * | 2011-01-13 | 2015-03-18 | 浙江久运车辆部件有限公司 | Fuel resistant rubber material |
| CN102230539A (en) * | 2011-07-19 | 2011-11-02 | 中国航空动力机械研究所 | Oil seal structure and forming method thereof |
| CN102321322A (en) * | 2011-08-31 | 2012-01-18 | 铜陵万通阀门有限公司 | A kind of fluorine-containing rubber valve body matrix material and preparation method thereof |
| CN102321321A (en) * | 2011-08-31 | 2012-01-18 | 铜陵万通阀门有限公司 | Fluorine-containing rubber valve composite material and preparation method thereof |
| CN103059331A (en) * | 2013-01-09 | 2013-04-24 | 奥科（无锡）合成材料研发有限公司 | Fluororubber surface treatment method |
| CN103790545A (en) * | 2014-01-24 | 2014-05-14 | 王鹏 | Follow-up type device for sealing well mouth under pressure |
| CN104403239B (en) * | 2014-11-28 | 2017-05-17 | 自贡天龙化工有限公司 | Elastic wear-resistant seal ring for engine and preparation method of elastic wear-resistant seal ring |
| CN106553350A (en) * | 2015-09-30 | 2017-04-05 | 明光市奇美橡塑有限公司 | A kind of production method of high intensity oil sealing |
| CN105820357A (en) * | 2016-04-25 | 2016-08-03 | 南昌航空大学 | Method for enhancing aviation lubricating oil resistance of nitrile-butadiene rubber |
| CN105778129A (en) * | 2016-04-25 | 2016-07-20 | 南昌航空大学 | Method for improving resistance to high temperature fuel oil medium of nitrile rubber |
| CN108504005A (en) * | 2018-03-28 | 2018-09-07 | 陈太师 | A kind of preparation method of toughened antiwear oil sealing material |
| CN108586843A (en) * | 2018-04-28 | 2018-09-28 | 邹峰 | A kind of preparation method of anti-skid wearable tread rubber |
| CN110330745B (en) * | 2019-07-10 | 2022-03-04 | 陕西奉航科技有限责任公司 | Preparation method of adhesive PTFE oil seal for automobile |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5797960A (en) * | 1980-12-09 | 1982-06-17 | Kayaba Ind Co Ltd | Sealing device |
| CN2430300Y (en) * | 2000-01-25 | 2001-05-16 | 徐益淼 | Oil seal |
| JP2005265162A (en) * | 2004-03-22 | 2005-09-29 | Nok Corp | Sealing device |
| CN201145038Y (en) * | 2008-01-25 | 2008-11-05 | 杜杰 | Oil seal |
| CN201155569Y (en) * | 2008-02-20 | 2008-11-26 | 书元机械企业(昆山)有限公司 | Multi-limb type lip-shaped sealed ring |
-
2009
- 2009-06-09 CN CN200910147613.7A patent/CN101920569B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5797960A (en) * | 1980-12-09 | 1982-06-17 | Kayaba Ind Co Ltd | Sealing device |
| CN2430300Y (en) * | 2000-01-25 | 2001-05-16 | 徐益淼 | Oil seal |
| JP2005265162A (en) * | 2004-03-22 | 2005-09-29 | Nok Corp | Sealing device |
| CN201145038Y (en) * | 2008-01-25 | 2008-11-05 | 杜杰 | Oil seal |
| CN201155569Y (en) * | 2008-02-20 | 2008-11-26 | 书元机械企业(昆山)有限公司 | Multi-limb type lip-shaped sealed ring |
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| CN101920569A (en) | 2010-12-22 |
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Owner name: JIANGMEN XINHUI SEALING TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: ZHANG HONGQING Effective date: 20141015 |
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Denomination of invention: Production method of temperature resistant and wear resistant oil seal Effective date of registration: 20200715 Granted publication date: 20140507 Pledgee: China Co. truction Bank Corp Jiangmen branch Pledgor: JIANGMEN XINHUI SEALING TECHNOLOGY Co.,Ltd. Registration number: Y2020980004042 |
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Denomination of invention: A production method of high temperature resistant and wear-resistant oil seal Effective date of registration: 20220304 Granted publication date: 20140507 Pledgee: China Co. truction Bank Corp Jiangmen branch Pledgor: JIANGMEN XINHUI SEALING TECHNOLOGY Co.,Ltd. Registration number: Y2022980002161 |
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Address after: 529000 Building 1, No. 289, Lianhai Road, Jianghai District, Jiangmen City, Guangdong Province (multiple photos of one site) Patentee after: Guangdong Xinhui Technology Co.,Ltd. Address before: First floor, No. 114 Longxi Road, High tech Development Zone, Jianghai District, Jiangmen City Patentee before: JIANGMEN XINHUI SEALING TECHNOLOGY Co.,Ltd. |