CN112339199A - Manufacturing process of valve oil seal framework with good sealing performance - Google Patents
Manufacturing process of valve oil seal framework with good sealing performance Download PDFInfo
- Publication number
- CN112339199A CN112339199A CN202011093928.0A CN202011093928A CN112339199A CN 112339199 A CN112339199 A CN 112339199A CN 202011093928 A CN202011093928 A CN 202011093928A CN 112339199 A CN112339199 A CN 112339199A
- Authority
- CN
- China
- Prior art keywords
- iron shell
- oil seal
- manufacturing process
- container
- good sealing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 36
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 32
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 150
- 229910052742 iron Inorganic materials 0.000 claims abstract description 75
- 239000000853 adhesive Substances 0.000 claims abstract description 19
- 230000001070 adhesive effect Effects 0.000 claims abstract description 19
- 229920001971 elastomer Polymers 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 14
- 238000005238 degreasing Methods 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 238000002791 soaking Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000005242 forging Methods 0.000 claims abstract description 10
- 238000007689 inspection Methods 0.000 claims abstract description 10
- 238000003756 stirring Methods 0.000 claims abstract description 8
- 238000005520 cutting process Methods 0.000 claims abstract description 7
- 238000000576 coating method Methods 0.000 claims abstract description 6
- 238000004381 surface treatment Methods 0.000 claims abstract description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000001035 drying Methods 0.000 claims abstract description 4
- 238000004806 packaging method and process Methods 0.000 claims abstract description 4
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 4
- 239000011593 sulfur Substances 0.000 claims abstract description 4
- 239000011248 coating agent Substances 0.000 claims abstract description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract 2
- 239000011737 fluorine Substances 0.000 claims abstract 2
- 229910052731 fluorine Inorganic materials 0.000 claims abstract 2
- 229920001973 fluoroelastomer Polymers 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 9
- 238000004073 vulcanization Methods 0.000 claims description 9
- 238000000465 moulding Methods 0.000 claims description 6
- 239000000243 solution Substances 0.000 claims description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000007888 film coating Substances 0.000 claims description 3
- 238000009501 film coating Methods 0.000 claims description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 3
- 239000011259 mixed solution Substances 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 238000004513 sizing Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 abstract description 9
- 229910052751 metal Inorganic materials 0.000 abstract description 9
- 239000010985 leather Substances 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 56
- 239000010687 lubricating oil Substances 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
- B29C43/18—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/071—Preforms or parisons characterised by their configuration, e.g. geometry, dimensions or physical properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B11/00—Making preforms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B11/00—Making preforms
- B29B11/14—Making preforms characterised by structure or composition
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/73—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
- B29C43/18—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
- B29C2043/181—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles encapsulated
- B29C2043/182—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles encapsulated completely
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/07—Preforms or parisons characterised by their configuration
- B29C2949/0715—Preforms or parisons characterised by their configuration the preform having one end closed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/26—Sealing devices, e.g. packaging for pistons or pipe joints
- B29L2031/265—Packings, Gaskets
Landscapes
- Mechanical Engineering (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Geometry (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Sealing Material Composition (AREA)
- Sealing With Elastic Sealing Lips (AREA)
- Gasket Seals (AREA)
Abstract
The invention discloses a manufacturing process of a valve oil seal framework with good sealing performance, which comprises the following steps: returning the iron shell to the factory for inspection, die forging, coating and adhering; the fluorine rubber adding and manufacturing process comprises the following steps: adding a mould, cutting the rubber material, adding sulfur, forming, inspecting and packaging. Feeding the iron shell into die forging equipment, and forming a T-shaped annular groove on the inner side of the iron shell; degreasing the iron shell in a leather film process, and adding degreasing liquid into a container filled with the iron shell; feeding the degreased iron shell into a container with phosphating solution; conveying the iron shell subjected to surface treatment into a container with vulcanizing liquid; and (3) placing the iron shell into a container with an adhesive, stirring for two hours by a stirrer during the first soaking, controlling the temperature at 200 ℃, stirring for two hours by the stirrer during the second soaking, controlling the temperature at 160 ℃, and drying the iron shell after soaking to obtain the oil seal framework. The invention has the advantages that the T-shaped annular groove is additionally arranged on the inner side of the metal framework, the adhesive force between the metal framework and the rubber part is increased, and the sealing performance of the oil seal is improved.
Description
Technical Field
The invention relates to the technical field of engine sealing elements, in particular to a manufacturing process of a valve oil seal framework with good sealing property.
Background
Oil seals are a common term for seals, simply the seal of lubricating oil. The oil seal is a mechanical element for sealing grease, and separates a part needing lubrication in a transmission part from a force-applying part, so that lubricating oil is prevented from leaking. The sealing elements for static sealing and dynamic sealing are called oil seals.
The representative form of oil seal is TC oil seal, which is a rubber fully covered double-lip oil seal with self-tightening spring, and the general oil seal is often referred to as TC framework oil seal.
The parts of the rotating body box, which are connected with the outside and have liquid lubricating oil, need oil seals. Some are rubber, some are metal, most are steel-reinforced rubber, such as crankshaft rear oil seal, gearbox front and rear oil seal, left and right half shaft oil seal, main reducer front oil seal, air compressor crankshaft oil seal and the like.
The oil seal for the engine valve is called a valve oil seal. The adhesion between an oil seal framework and a rubber part at the manufacturing position of a general oil seal manufacturing process is not enough, so that the oil seal framework is easy to separate from the rubber part, and the sealing performance of the oil seal is influenced.
Disclosure of Invention
The invention aims to provide a manufacturing process of a valve oil seal framework with good sealing performance, which has the advantages that a T-shaped annular groove is additionally arranged on the inner side of a metal framework, the adhesive force between the metal framework and a rubber part is increased, and the sealing performance of an oil seal is improved, and the problems that the adhesive force between the oil seal framework and the rubber part at the manufacturing position of a common oil seal manufacturing process is insufficient, separation is easily caused, and the sealing performance of the oil seal is influenced are solved.
In order to achieve the purpose, the invention provides the following technical scheme: a manufacturing process of a valve oil seal framework with good sealing performance comprises the following manufacturing processes: returning the iron shell to the factory for inspection, die forging, skin membrane and then adhering;
a manufacturing process of a valve oil seal with good sealing performance comprises the following steps: adding a mould, cutting the rubber material, adding sulfur, forming, inspecting and packaging.
A manufacturing process of a valve oil seal framework with good sealing performance comprises the following manufacturing processes:
s1, returning the iron shell raw material to a factory for inspection to ensure that the quality of the iron shell reaches the standard, and polishing the iron shell qualified through inspection;
s2, feeding the iron shell into die forging equipment, and forming a T-shaped annular groove on the inner side of the iron shell;
s3, degreasing the iron shell in a film coating process, adding degreasing liquid into a container filled with the iron shell, and degreasing the iron shell; feeding the degreased iron shell into a container with phosphating solution, and performing rust prevention treatment on the surface of the iron shell; the iron shell after surface treatment is sent into a container with vulcanizing liquid to increase the adhesive force of the iron shell;
s4, putting the iron shell subjected to the coating process into a container with an adhesive, wherein the adhesive is a mixed solution prepared by mixing TD870 and alcohol according to a ratio of 1: 4; stirring for two hours by a stirrer during the first soaking, controlling the temperature at 200 ℃, stirring for two hours by the stirrer during the second soaking, controlling the temperature at 160 ℃, and drying the iron shell after soaking.
A manufacturing process of a valve oil seal with good sealing performance comprises the following steps:
s1, feeding the iron shell soaked with the adhesive into a corresponding mould which is completely matched with the iron shell;
s2, carrying out mixing test on fluororubber, adding a vulcanization accelerator, and cutting according to the material weight ratio after mixing test;
s3, adding a sizing material into the mold with the iron shell, and carrying out a vulcanization molding process, wherein the temperature of the vulcanization molding process of the fluororubber is controlled at 180 ℃, and the processing time is 3 minutes;
and S4, opening the die to obtain an oil seal, measuring the outer diameter, the height, the auxiliary lip, the inner diameter, the renovated inner diameter and the R value of the oil seal, wherein the appearance of the oil seal is required to be smooth, and iron cannot be seen on the surface of the oil seal.
Compared with the prior art, the invention has the following beneficial effects: feeding the iron shell into die forging equipment, and forming a T-shaped annular groove on the inner side of the iron shell; degreasing the iron shell in a leather film process, and adding degreasing liquid into a container filled with the iron shell; feeding the degreased iron shell into a container with phosphating solution; conveying the iron shell subjected to surface treatment into a container with vulcanizing liquid; the iron shell is put into a container with an adhesive and soaked in the container for two times. The inner side of the metal framework is additionally provided with a T-shaped annular groove, and after the fluororubber material is combined with the oil seal framework, the fluororubber material is filled into the T-shaped annular groove, so that the oil seal framework and the fluororubber are completely embedded and combined, the adhesive force between the metal framework and the rubber part is increased, and the sealing performance of the oil seal is improved.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the following embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown herein, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
The embodiment provided by the invention comprises the following steps: a manufacturing process of a valve oil seal framework with good sealing performance comprises the following manufacturing processes: returning the iron shell to the factory for inspection, die forging, coating and adhering;
a manufacturing process of a valve oil seal with good sealing performance comprises the following steps: adding a mould, cutting the rubber material, adding sulfur, forming, inspecting and packaging.
The iron shell is fed into die forging equipment, a T-shaped annular groove is formed in the inner side of the iron shell, the T-shaped annular groove is additionally formed in the inner side of the metal framework, and after the fluororubber material is combined with the oil seal framework, the fluororubber material is filled into the T-shaped annular groove, so that the oil seal framework and the fluororubber are completely embedded and combined, the adhesive force between the metal framework and the rubber piece is increased, and the sealing performance of the oil seal is improved.
Example 2
The embodiment provided by the invention comprises the following steps: a manufacturing process of a valve oil seal framework with good sealing performance comprises the following steps:
s1, comprehensively checking mechanical seal, wherein the mechanical device and the pipeline meet the safety standard;
s2, performing static pressure test before starting the mechanical seal, wherein the pressure of the static pressure test is 2-3 kilograms per square centimeter, and the mechanical seal is put into use after no leakage exists;
and S3, turning the vehicle according to the pump rotation direction, wherein the rotation speed is uniform and meets the standard.
Example 3
The embodiment provided by the invention comprises the following steps: a valve oil seal framework manufacturing process with good sealing performance comprises the following steps:
s1, before the equipment is started, the sealing cavity is kept full of liquid medium, and when the medium in the equipment is solidified, steam is introduced for heating to melt the medium;
s2, starting the oil sealing system when the equipment is started, and closing the oil sealing system after the equipment is stopped;
and S3, stopping the hot oil pump, and stopping cooling water when the oil temperature at the end face sealing position is reduced to be below 80 ℃.
Example 4
The embodiment provided by the invention comprises the following steps: a manufacturing process of a valve oil seal framework with good sealing performance comprises the following steps:
s1, a slight leakage phenomenon appears after the pump is started, the pump is observed firstly, and if the pump still leaks after running for 4 hours, the pump is stopped for checking;
s2, the pressure fluctuation after the pump is started is not more than 1 kilogram per square centimeter;
and S3, periodically checking the equipment sealing.
Example 5
The embodiment provided by the invention comprises the following steps: a manufacturing process of a valve oil seal framework with good sealing performance comprises the following manufacturing processes:
s1, returning the iron shell raw material to a factory for inspection to ensure that the quality of the iron shell reaches the standard, and polishing the iron shell qualified through inspection;
s2, feeding the iron shell into die forging equipment, and forming a T-shaped annular groove on the inner side of the iron shell;
s3, degreasing the iron shell in a film coating process, adding degreasing liquid into a container filled with the iron shell, and degreasing the iron shell; feeding the degreased iron shell into a container with phosphating solution, and performing rust prevention treatment on the surface of the iron shell; the iron shell after surface treatment is sent into a container with vulcanizing liquid to increase the adhesive force of the iron shell;
s4, putting the iron shell subjected to the coating process into a container with an adhesive, wherein the adhesive is a mixed solution prepared by mixing TD870 and alcohol according to a ratio of 1: 4; stirring for two hours by a stirrer during the first soaking, controlling the temperature at 200 ℃, stirring for two hours by the stirrer during the second soaking, controlling the temperature at 160 ℃, and drying the iron shell after soaking.
A manufacturing process of a valve oil seal with good sealing performance comprises the following steps:
s1, feeding the iron shell soaked with the adhesive into a corresponding mould which is completely matched with the iron shell;
s2, carrying out mixing test on fluororubber, adding a vulcanization accelerator, and cutting according to the material weight ratio after mixing test;
s3, adding a sizing material into the mold with the iron shell, and carrying out a vulcanization molding process, wherein the temperature of the vulcanization molding process of the fluororubber is controlled at 180 ℃, and the processing time is 3 minutes;
and S4, opening the die to obtain an oil seal, measuring the outer diameter, the height, the auxiliary lip, the inner diameter, the renovated inner diameter and the R value of the oil seal, wherein the appearance of the oil seal is required to be smooth, and iron cannot be seen on the surface of the oil seal.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (3)
1. A valve oil seal framework manufacturing process with good sealing performance is characterized in that: the manufacturing process comprises the following steps: returning the iron shell to the factory for inspection, die forging, coating and adhering;
a manufacturing process of a valve oil seal with good sealing performance comprises the following steps: adding a mould, cutting the rubber material, adding sulfur, forming, inspecting and packaging.
2. The manufacturing process of the valve oil seal framework with good sealing property as claimed in claim 1, is characterized in that: the manufacturing process comprises the following steps:
s1, returning the iron shell raw material to a factory for inspection to ensure that the quality of the iron shell reaches the standard, and polishing the iron shell qualified through inspection;
s2, feeding the iron shell into die forging equipment, and forming a T-shaped annular groove on the inner side of the iron shell;
s3, degreasing the iron shell in a film coating process, adding degreasing liquid into a container filled with the iron shell, and degreasing the iron shell; feeding the degreased iron shell into a container with phosphating solution, and performing rust prevention treatment on the surface of the iron shell; the iron shell after surface treatment is sent into a container with vulcanizing liquid to increase the adhesive force of the iron shell;
s4, putting the iron shell subjected to the coating process into a container with an adhesive, wherein the adhesive is a mixed solution prepared by mixing TD870 and alcohol according to a ratio of 1: 4; stirring for two hours by a stirrer during the first soaking, controlling the temperature at 200 ℃, stirring for two hours by the stirrer during the second soaking, controlling the temperature at 160 ℃, and drying the iron shell after soaking.
3. The manufacturing process of the valve oil seal with good sealing property as claimed in claim 1, wherein: the fluorine rubber adding and manufacturing process comprises the following steps:
s1, feeding the iron shell soaked with the adhesive into a corresponding mould which is completely matched with the iron shell;
s2, carrying out mixing test on fluororubber, adding a vulcanization accelerator, and cutting according to the material weight ratio after mixing test;
s3, adding a sizing material into the mold with the iron shell, and carrying out a vulcanization molding process, wherein the temperature of the vulcanization molding process of the fluororubber is controlled at 180 ℃, and the processing time is 3 minutes;
and S4, opening the die to obtain an oil seal, measuring the outer diameter, the height, the auxiliary lip, the inner diameter, the renovated inner diameter and the R value of the oil seal, wherein the appearance of the oil seal is required to be smooth, and iron cannot be seen on the surface of the oil seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011093928.0A CN112339199A (en) | 2020-10-14 | 2020-10-14 | Manufacturing process of valve oil seal framework with good sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011093928.0A CN112339199A (en) | 2020-10-14 | 2020-10-14 | Manufacturing process of valve oil seal framework with good sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112339199A true CN112339199A (en) | 2021-02-09 |
Family
ID=74360666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011093928.0A Pending CN112339199A (en) | 2020-10-14 | 2020-10-14 | Manufacturing process of valve oil seal framework with good sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112339199A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB149381A (en) * | 1919-04-04 | 1920-08-04 | Ernest Tribe | Improvements in and connected with pipe joints |
| CN2477835Y (en) * | 2001-05-31 | 2002-02-20 | 朱建钢 | Valve oil seal of gasoline engine and diesel engine with metal skeleton |
| CN202326863U (en) * | 2011-11-21 | 2012-07-11 | 王亚兵 | Rubber lining |
| CN103670325A (en) * | 2013-12-03 | 2014-03-26 | 大庆昊运橡胶制品有限公司 | Expansion packer rubber barrel |
| CN104389547A (en) * | 2014-09-05 | 2015-03-04 | 西南石油大学 | Novel extruding rubber tube for built-in metal component and processing process of novel extruding rubber tube |
| CN105987171A (en) * | 2015-01-31 | 2016-10-05 | 重庆展申机械厂 | Oil seal manufacturing process |
| CN106122500A (en) * | 2016-06-27 | 2016-11-16 | 西安航空制动科技有限公司 | A kind of encapsulated valve of air inlet having push rod and method for production thereof |
| CN106113489A (en) * | 2016-06-27 | 2016-11-16 | 西安航空制动科技有限公司 | A kind of encapsulated valve of aerofluxus and preparation method thereof |
| CN208982175U (en) * | 2018-10-31 | 2019-06-14 | 杭州藤仓橡胶有限公司 | Composite members |
| CN210082817U (en) * | 2019-06-26 | 2020-02-18 | 徐州工业职业技术学院 | Special wheel core of rubber truckle with dovetail groove on outer circumference |
-
2020
- 2020-10-14 CN CN202011093928.0A patent/CN112339199A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB149381A (en) * | 1919-04-04 | 1920-08-04 | Ernest Tribe | Improvements in and connected with pipe joints |
| CN2477835Y (en) * | 2001-05-31 | 2002-02-20 | 朱建钢 | Valve oil seal of gasoline engine and diesel engine with metal skeleton |
| CN202326863U (en) * | 2011-11-21 | 2012-07-11 | 王亚兵 | Rubber lining |
| CN103670325A (en) * | 2013-12-03 | 2014-03-26 | 大庆昊运橡胶制品有限公司 | Expansion packer rubber barrel |
| CN104389547A (en) * | 2014-09-05 | 2015-03-04 | 西南石油大学 | Novel extruding rubber tube for built-in metal component and processing process of novel extruding rubber tube |
| CN105987171A (en) * | 2015-01-31 | 2016-10-05 | 重庆展申机械厂 | Oil seal manufacturing process |
| CN106122500A (en) * | 2016-06-27 | 2016-11-16 | 西安航空制动科技有限公司 | A kind of encapsulated valve of air inlet having push rod and method for production thereof |
| CN106113489A (en) * | 2016-06-27 | 2016-11-16 | 西安航空制动科技有限公司 | A kind of encapsulated valve of aerofluxus and preparation method thereof |
| CN208982175U (en) * | 2018-10-31 | 2019-06-14 | 杭州藤仓橡胶有限公司 | Composite members |
| CN210082817U (en) * | 2019-06-26 | 2020-02-18 | 徐州工业职业技术学院 | Special wheel core of rubber truckle with dovetail groove on outer circumference |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6452505B2 (en) | Metal gasket material plate and manufacturing method thereof | |
| CN112339199A (en) | Manufacturing process of valve oil seal framework with good sealing performance | |
| CN105038914B (en) | Gearbox lubrication agent composition and preparation method thereof | |
| CN106832712A (en) | A kind of lactoprene rotary shaft lip seal and preparation method thereof | |
| CN111482486A (en) | Machining method for anti-rusting refrigerator stamping part | |
| CN100494747C (en) | A New Shaft Seal Oil Seal and Its Sealing Lip Material | |
| CN209349960U (en) | A sealing structure for the main shaft pulley of the main shaft box of a lathe | |
| US2266378A (en) | Treatment of metallic frictional surfaces | |
| CN110776746A (en) | Formula and production process of high-pressure rubber pipe of engineering machinery | |
| CN204696854U (en) | A kind of magnetic sealing device for large torque magnetic stirring apparatus | |
| CN111534785A (en) | Surface hardening treatment method for metal stamping die | |
| EP3798459B1 (en) | Sliding spline shaft device | |
| CN115628855A (en) | Semi-direct drive motor sealing test platform and test method | |
| JP2019183975A (en) | Sealing member | |
| CN109703035B (en) | Preparation method of anti-attenuation gasket | |
| US20060093780A1 (en) | Gasket material | |
| CN110577712A (en) | High-temperature-resistant and wear-resistant rotary oil seal | |
| EP1582784A1 (en) | Gasket Material | |
| CN110951521A (en) | Lubricating grease special for corrugating machine bearing and preparation method thereof | |
| JP2021001682A (en) | Sealing member | |
| CN111171551B (en) | POK composite material of oil-free compressor leather cup and preparation method thereof | |
| CN220081948U (en) | Sealing device for transmission shaft of internal mixer | |
| CN220248924U (en) | Spiral groove type non-contact mechanical sealing device | |
| CN106167367A (en) | A kind of production technology of canned motor pump special graphite bearing | |
| CN104626049A (en) | Method and device for assembling lining with multiple rubber sealing rings into multi-slot shell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210209 |