CN102873947A - Membrane used for linear pneumatic actuator, and production method thereof - Google Patents
Membrane used for linear pneumatic actuator, and production method thereof Download PDFInfo
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- CN102873947A CN102873947A CN2012103814765A CN201210381476A CN102873947A CN 102873947 A CN102873947 A CN 102873947A CN 2012103814765 A CN2012103814765 A CN 2012103814765A CN 201210381476 A CN201210381476 A CN 201210381476A CN 102873947 A CN102873947 A CN 102873947A
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- pneumatic actuator
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- cloth
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Abstract
The invention discloses a membrane used for a linear pneumatic actuator, and relates to the technical field of pneumatic actuators. The membrane used for the linear pneumatic actuator is prepared by employing 20-30 parts of a silicon rubber, 20-30 parts of a nitrile butadiene rubber, 54-67 parts of a fluorine rubber, 20-30 parts of an ethylene propylene diene monomer rubber and 5-10 parts of cloth as raw materials, and through material preparation, a rubber mixing process and a vulcanization molding process. Due to the adoption of the above raw material components and special producing technology, compared with a conventional membrane used for a pneumatic actuator, the membrane provided by the invention has excellent pressure resistant performance, sealing performance, heat resistant performance and stability, and is small in size, light in weight and reliable in performance.
Description
Technical field
The present invention relates to the pneumatic actuator technical field, be specifically related to a kind of diaphragm for linear motion type pneumatic actuator.
Background technology
At present, pneumatic actuator of the prior art, the diaphragm that seals in cavity causes crushing resistance, sealing, oil resistivity, the pull resistance of diaphragm all can not reach corresponding specification requirement because the material component selection is unreasonable.Particularly when admission pressure is excessive, diaphragm produces easily stress and concentrates and deform, and causes diaphragm gas leakage, bubbling even tears.In addition, the diaphragm that has very easily wears out and the generation be full of cracks after using after a while, and service life is short, needs often replacing, has had a strong impact on normal production, causes very large economic loss to enterprise.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of diaphragm that is used for pneumatic actuator of function admirable is provided.
In order to realize purpose of the present invention, on diaphragm material formed, selecting silica gel, butadiene acrylonitrile rubber and ethylene propylene diene rubber was main composition raw material, strengthens simultaneously the composition of fluorubber, is equipped with an amount of cloth again and acts synergistically.Concrete technical scheme is as follows:
The present invention is used for the diaphragm of linear motion type pneumatic actuator, is made by following raw material:
Silica gel 20-30 part,
Butadiene acrylonitrile rubber 20-30 part,
Fluorubber 15-25 part,
Ethylene propylene diene rubber 20-30 part,
Cloth 5-10 part;
Wherein, described cloth is Lian Zibu.
Preferably, the present invention is used for the diaphragm of linear motion type pneumatic actuator, is made by following raw material: 30 parts in silica gel, 20 parts of butadiene acrylonitrile rubbers, 15 parts of fluorubber, 25 parts of ethylene propylene diene rubbers, 5 parts of the sub-cloth of company.
The present invention is used for the production method of the diaphragm of linear motion type pneumatic actuator, comprises following technical process: raw material is weighed; The raw material of getting ready is refined glue, and glue furnacing temperature should be controlled in 50 ℃ of-60 ℃ of scopes, and the time is 25-40 minute; Then the good rubber filling grinding tool of refining, one deck rubber one deck cloth is until the three layers of cloth of packing into; Cover the grinding tool lid, put into vulcanizer and vulcanize, temperature is controlled at 140-160 ℃ in the sulfidation, through the moulding of 50-70 minute sulfuration diaphragm, shuts down and namely gets required diaphragm.
The present invention is used for the production method of the diaphragm of linear motion type pneumatic actuator, and with three layers of cloth holder rubber, and through sulfuration process, the compressive property of the diaphragm of acquisition is good, can bear limiting pressure and reach 0.7MPa.
The present invention compares with existing pneumatic actuator used chaff owing to adopt above raw material components and special producing technique thereof, and its crushing resistance, sealing, temperature tolerance, stability all can reach excellent results, and little, lightweight, the dependable performance of its diaphragm volume.
Detect through overtesting, the working pressure scope of diaphragm of the present invention is 0.5MPa-0.7MPa, and the life-span reaches more than 300,000 times, and oil resistivity is very strong, and the normal working temperature scope of diaphragm is-20 ℃-120 ℃.
The specific embodiment
Further describe by the following examples the present invention, but the present invention is not limited only to following examples.Within the scope of the invention or within not breaking away from content of the present invention, spirit and scope, diaphragm of the present invention is suitably improved, replaces the identical component of effect, will become apparent to those skilled in the art that they all are deemed to be included within the scope of the present invention.
Embodiment 1Diaphragm for the preparation of linear motion type pneumatic actuator
The material component weight portion is as follows:
Silica gel 30kg, butadiene acrylonitrile rubber 20kg, fluorubber 15kg, ethylene propylene diene rubber 25kg, the sub-cloth 5kg of company.
Production method comprises following processing step:
Take by weighing raw material; The raw material of getting ready is refined glue, and glue furnacing temperature is 52 ℃, and the time is 30 minutes; Then the good rubber filling grinding tool of refining, one deck rubber one deck cloth is until the three layers of cloth of packing into; Cover the grinding tool lid, put into vulcanizer and vulcanize, temperature is 140 ℃ in the sulfidation, through the moulding of 60 minutes sulfuration diaphragms, shuts down and namely gets required diaphragm.
Detect through overtesting, it is 0.7MPa that the working pressure of present embodiment diaphragm reaches scope, and the life-span reaches 3,549,820,000 times, and oil resistivity is very strong, and the normal working temperature scope of diaphragm is-20 ℃-120 ℃.
Embodiment 2Diaphragm for the preparation of linear motion type pneumatic actuator
The material component weight portion is as follows:
Silica gel 30kg, butadiene acrylonitrile rubber 30kg, fluorubber 25kg, ethylene propylene diene rubber 30kg, the sub-cloth 10kg of company.
Production method comprises following processing step:
Take by weighing raw material; The raw material of getting ready is refined glue, and glue furnacing temperature is 55 ℃, and the time is 40 minutes; Then the good rubber filling grinding tool of refining, one deck rubber one deck cloth is until the three layers of cloth of packing into; Cover the grinding tool lid, put into vulcanizer and vulcanize, temperature is controlled at 160 ℃ in the sulfidation, through the moulding of 70 minutes sulfuration diaphragms, shuts down and namely gets required diaphragm.
Detect through overtesting, it is 0.62MPa that the working pressure of present embodiment diaphragm reaches scope, and the life-span reaches 334576 times, and oil resistivity is very strong, and the normal working temperature scope of diaphragm is-20 ℃-120 ℃.
Embodiment 3Diaphragm for the preparation of linear motion type pneumatic actuator
The material component weight portion is as follows:
Silica gel 20kg, butadiene acrylonitrile rubber 20kg, fluorubber 15kg, ethylene propylene diene rubber 20kg, the sub-cloth 5kg of company.
Production method comprises following processing step:
Take by weighing raw material; The raw material of getting ready is refined glue, and glue furnacing temperature is 60 ℃, and the time is 38 minutes; Then the good rubber filling grinding tool of refining, one deck rubber one deck cloth is until the three layers of cloth of packing into; Cover the grinding tool lid, put into vulcanizer and vulcanize, temperature is controlled at 150 ℃ in the sulfidation, through the moulding of 50 minutes sulfuration diaphragms, shuts down and namely gets required diaphragm.
Detect through overtesting, it is 0.56MPa that the working pressure of present embodiment diaphragm reaches scope, and the life-span reaches 321878 times, and oil resistivity is very strong, and the normal working temperature scope of diaphragm is-20 ℃-120 ℃.
Claims (3)
1. diaphragm that is used for linear motion type pneumatic actuator is characterized in that being made by following raw material:
Silica gel 20-30 part,
Butadiene acrylonitrile rubber 20-30 part,
Fluorubber 15-25 part,
Ethylene propylene diene rubber 20-30 part,
Cloth 5-10 part;
Wherein, described cloth is Lian Zibu.
2. be used for as claimed in claim 1 the diaphragm of linear motion type pneumatic actuator, it is characterized in that being made by following raw material: 30 parts in silica gel, 20 parts of butadiene acrylonitrile rubbers, 15 parts of fluorubber, 25 parts of ethylene propylene diene rubbers, 5 parts of the sub-cloth of company.
3. be used for as claimed in claim 1 or 2 the production method of the diaphragm of linear motion type pneumatic actuator, it is characterized in that comprising following processing step: take by weighing raw material; The raw material of getting ready is refined glue, and glue furnacing temperature is controlled in 50 ℃ of-60 ℃ of scopes, and the time is 25-40 minute; Then the good rubber filling grinding tool of refining, one deck rubber one deck cloth is until the three layers of cloth of packing into; Cover the grinding tool lid, put into vulcanizer and vulcanize, temperature is controlled at 140-160 ℃ in the sulfidation, through the moulding of 50-70 minute sulfuration diaphragm, shuts down and namely gets required diaphragm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103814765A CN102873947A (en) | 2012-10-10 | 2012-10-10 | Membrane used for linear pneumatic actuator, and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103814765A CN102873947A (en) | 2012-10-10 | 2012-10-10 | Membrane used for linear pneumatic actuator, and production method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102873947A true CN102873947A (en) | 2013-01-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103814765A Pending CN102873947A (en) | 2012-10-10 | 2012-10-10 | Membrane used for linear pneumatic actuator, and production method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN102873947A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2287241Y (en) * | 1996-11-15 | 1998-08-05 | 袁晓明 | Flexible membrane of aerating actuator |
| CN2476690Y (en) * | 2001-04-28 | 2002-02-13 | 李涵 | Pressure control valve for water tank |
| WO2009158604A2 (en) * | 2008-06-26 | 2009-12-30 | Bridgestone Corporation | Rubber compositions including metal-functionalized polyisobutylene derivatives and methods for preparing such compositions |
| CN201902618U (en) * | 2010-11-01 | 2011-07-20 | 浙江科海仪表有限公司 | Novel self-operated pressure adjusting valve |
-
2012
- 2012-10-10 CN CN2012103814765A patent/CN102873947A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2287241Y (en) * | 1996-11-15 | 1998-08-05 | 袁晓明 | Flexible membrane of aerating actuator |
| CN2476690Y (en) * | 2001-04-28 | 2002-02-13 | 李涵 | Pressure control valve for water tank |
| WO2009158604A2 (en) * | 2008-06-26 | 2009-12-30 | Bridgestone Corporation | Rubber compositions including metal-functionalized polyisobutylene derivatives and methods for preparing such compositions |
| CN201902618U (en) * | 2010-11-01 | 2011-07-20 | 浙江科海仪表有限公司 | Novel self-operated pressure adjusting valve |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130116 |