CN109759787B - Iron-plastic combined super-wear-resistant high-strength floating oil seal ring and manufacturing method thereof - Google Patents
Iron-plastic combined super-wear-resistant high-strength floating oil seal ring and manufacturing method thereof Download PDFInfo
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- CN109759787B CN109759787B CN201910049174.XA CN201910049174A CN109759787B CN 109759787 B CN109759787 B CN 109759787B CN 201910049174 A CN201910049174 A CN 201910049174A CN 109759787 B CN109759787 B CN 109759787B
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Abstract
The invention provides an iron-plastic combined super-wear-resistant high-strength floating oil seal ring and a manufacturing method thereof. The wear-resistant material filled and melted into the U-shaped ring groove is less, more economical and optimized, and not only can be used sufficiently, but also no redundant waste exists; the high-strength super wear-resistant floating oil seal ring is skillfully combined by plastic instead of steel.
Description
Technical Field
The invention relates to the field of machinery, in particular to an iron-plastic combined super-wear-resistant high-strength floating oil seal ring and a manufacturing method thereof.
Background
The core point of the quality of the metal ring of the floating oil seal lies in the quality of the sealing performance of a bright band on a working surface, and the wear-resistant service life is embodied. According to the size of the iron ring, the width of the bright band of the working surface of the iron ring is limited by 3-5 mm. If the bright band is too wide, the adsorption force of the binding surface of the two rings is too large, the binding is too dead, lubricating oil cannot seep into the binding surface, the two iron rings are locked easily, the rubber ring slips and rotates, the rubber ring is worn quickly in rotation, and oil leaks immediately; meanwhile, after the abrasion loss of the bright band of the working surface of the floating oil seal iron ring reaches 2mm, the pair of friction pairs lose the height of 4 mm. This is filled by the resilient force of the rubber ring. The rebound of the rubber ring above 4mm is not compensated by the general situation. In this case, the rubber ring does not lose the original resilience force even though the rubber ring is not aged, but the rubber ring is not worried. And in any case, the wear-resistant iron ring is longer, the rubber ring works for a longer time, the aging stiffness is severe, and no resilience force is generated to make up a loose gap caused by the abrasion of the iron ring. The two iron rings are not tightly jointed, the jointing surface is loosened, the gap is enlarged, oil leakage occurs, the sealing is failed, and the machine must be stopped for replacement. The iron ring and the rubber ring form two-stage sealing, and any one of the two sealing is invalid, so that oil leakage occurs and replacement is needed. The service lives of the rubber ring, the iron ring and the like are the most economical and scientific optimization choices. From this it follows: a wear layer thickness of not more than 3mm is sufficient and economically suitable. The wear-resistant layer is thicker, which is redundant waste. If the super wear-resistant material is used, the time for 2mm wear is longer, and the rubber ring cannot be passed through.
Disclosure of Invention
Aiming at the problems, the invention aims to provide the iron-plastic combined super-wear-resistant high-strength floating oil seal ring and the manufacturing method thereof, so that the wear-resistant material filled and melted into the U-shaped ring groove is less, more economic and optimized, and is sufficient and free from redundant waste; the high-strength super wear-resistant floating oil seal ring is skillfully combined by plastic instead of steel.
The technical scheme of the invention is as follows:
the utility model provides a combination super wear-resisting high strength oil seal ring floats of iron-plastic, includes the plastics ring body, install the iron sheet ring on the working face of plastics ring body, the iron sheet ring includes the annular of transversal personally submitting "U" shape, and it has the wearing material layer to fill in the annular, the fixed bayonet lock that is used for preventing iron sheet ring to remove for the plastics ring body is installed in the outside of iron sheet ring, the fixed jack catch that is used for fixed iron sheet ring is installed to the inboard of iron sheet ring, and the top of fixed jack catch is provided with inward turn-ups, set up the fluting that conveniently places O type rubber circle on the plastics ring body, set up the iron sheet ring mounting groove that is used for installing the iron sheet ring on the plastics ring body working face, set up the bayonet lock insertion groove that conveniently inserts fixed bayonet lock on the inside wall of iron sheet ring mounting groove, along the jack catch mounting groove of, the top of the clamping jaw mounting groove is provided with a flanging slot facilitating flanging insertion.
And the lower edge of the working surface of the plastic ring body is also respectively provided with an oil inlet inclined surface for enabling lubricating oil to smoothly enter the oil supply inclined surface.
The thickness of the iron sheet ring is 1-2 mm.
The width of the notch of the ring groove is 2-5 mm.
A manufacturing method of an iron-plastic combined super-wear-resistant high-strength floating oil seal ring comprises the following specific steps:
processing a 1-2mm thick iron sheet or a 1-2mm thick hollow iron sheet round tube to form a U-shaped ring groove; (according to the size and model of the floating seal ring)
Welding 2-6 fixed clamping pins at equal intervals on the outer side of the U-shaped ring groove, welding 2-6 fixed clamping jaws at equal intervals on the inner side of the U-shaped ring groove, and flanging the top of each fixed clamping jaw in the direction opposite to the opening of the U-shaped ring groove;
thirdly, filling and melting super wear-resistant metal or non-metal materials in the U-shaped groove, and filling the U-shaped groove to form a finished product of the wear-resistant bright band layer iron leather ring;
manufacturing a plastic ring body mold according to the specification, the size and the shape of the iron leather ring, and selecting engineering plastics to perform injection molding in the plastic ring body mold to form a plastic ring body;
and step five, embedding the finished iron sheet ring manufactured in the step three into a corresponding position of the working surface of the plastic ring body to form the iron-plastic combined super-wear-resistant high-strength floating oil seal ring.
The manufacturing method of the U-shaped annular groove in the first step is that the iron sheet with the thickness of 1-2mm is cut off according to the corresponding length of the model; the cut iron sheet is heated by a medium-frequency induction device, the heated iron sheet is rolled into a U shape by a rolling wheel, and is bent into a circle when the iron sheet is hot, and the circle is welded into a complete U-shaped ring groove by laser.
And the other method for manufacturing the U-shaped ring groove in the first step is that a hollow iron sheet circular tube with the tube skin thickness of 1-2mm and the inner diameter of 2-5mm is cut off according to the required length of the product, the cut hollow iron sheet circular tube is folded into a circular ring and welded into a circle, and then the circular ring is horizontally cut and split along the diameter direction of the hollow iron sheet circle to form two U-shaped ring grooves.
In the third step, the iron sheet ring is polished on the end surface after being processed, so that the flatness and the smoothness of the iron sheet ring reach the quality standard of the bright band surface of the floating seal ring.
Compared with the prior art, the invention has the beneficial effects that: compared with the traditional all-metal floating seal ring, the weight of the metal or nonmetal super wear-resistant material filled and melted in the U-shaped ring groove is only about 1.5-2%, and good steel is used on the cutting edge, so that the consumption is less and the cost is low; because the super wear-resistant material component is accurately selected and melted into the U-shaped ring groove to serve as the working surface of the floating seal ring, the wear resistance is obvious; the mass is greatly improved, the super durability is realized, and the cost performance is high; the ring body is made of plastic instead of steel, so that the material cost is lower and the market competitiveness is strong; energy conservation and environmental protection, and almost no sewage is discharged; the raw materials are easy to purchase, and the cost is reduced.
Drawings
FIG. 1 is a schematic view of a floating oil seal ring according to the present invention
FIG. 2 is a schematic view of the plastic ring structure of the present invention;
FIG. 3 is a schematic top view of the iron sheet ring of the present invention;
FIG. 4 is a schematic cross-sectional view of an iron sheet ring according to the present invention;
FIG. 5 is a schematic view of the present invention in use.
The reference numbers in the figures denote: 1-plastic ring body, 2-iron leather ring, 3-O type rubber ring, 11-open slot, 12-iron sheet ring installation slot, 13-bayonet lock insertion slot, 14-claw installation slot, 15-flanging slot, 16-oil supply inclined plane, 17-oil inlet inclined plane, 21-annular slot, 22-wear-resistant material layer, 23-fixed bayonet lock, 24-fixed claw and 25-flanging.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the 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.
Referring to fig. 1-5, the present invention provides a technical solution:
an iron-plastic combined super-wear-resistant high-strength floating oil seal ring comprises a plastic ring body 1, an iron sheet groove ring 2 is installed on the working surface of the plastic ring body 1, the iron sheet groove ring 2 comprises a groove ring 21 with a cross section in a U shape, a wear-resistant material layer 22 is filled in the groove ring 21, a fixed clamping pin 23 used for preventing the iron sheet ring 2 from moving relative to the plastic ring body 1 is installed on the outer side of the iron sheet ring 2, a fixed clamping jaw 24 used for fixing the iron sheet ring 2 is installed on the inner side of the iron sheet ring 2, an inward turned edge 25 is arranged at the top of the fixed clamping jaw 24, a notch 11 used for conveniently placing an O-shaped rubber ring 3 is formed in the plastic ring body 1, an iron sheet ring installation groove 12 used for installing the iron sheet ring 2 is formed in the working surface of the plastic ring body 1, a clamping pin insertion groove 13 used for conveniently inserting the fixed clamping pin 23 is formed in the inner side wall of the iron sheet ring installation groove 12, a clamping jaw, and a flanging slot 15 which is convenient for the insertion of a flanging 25 is formed at the top of the clamping jaw mounting groove 14.
The lower edge of the working surface of the plastic ring body 1 is also respectively provided with an oil supply inclined surface 16 for supplying oil to the working surface and an oil inlet inclined surface 17 for enabling lubricating oil to smoothly enter the oil supply inclined surface 16.
The thickness of the iron sheet ring 2 is 1-2 mm.
The width of the groove inner opening of the ring groove 21 is 2-5 mm.
A manufacturing method of an iron-plastic combined super-wear-resistant high-strength floating oil seal ring comprises the following specific steps:
processing a 1-2mm thick iron sheet or a 1-2mm thick hollow iron sheet round tube to form a U-shaped ring groove;
welding 2-3 fixed clamping pins at equal intervals on the outer side of the U-shaped ring groove, welding 2-3 fixed clamping jaws at equal intervals on the inner side of the U-shaped ring groove, and flanging the top of each fixed clamping jaw in the direction opposite to the opening of the U-shaped ring groove;
thirdly, filling and melting super wear-resistant materials (metal or nonmetal materials) in the U-shaped groove, and filling the U-shaped groove to form a finished iron sheet ring;
manufacturing a plastic ring body mold according to the shape of the iron leather ring, and selecting engineering plastics to perform injection molding in the plastic ring body mold to form a plastic ring body;
and step five, embedding the finished iron sheet ring manufactured in the step three into a corresponding position of the working surface of the plastic ring body to form the iron-plastic combined super-wear-resistant high-strength floating oil seal ring.
The other manufacturing method of the U-shaped ring groove in the first step is that the iron sheet with the thickness of 1-2mm is cut off according to the corresponding length of the model; the cut iron sheet is heated by a medium-frequency induction device, the heated iron sheet is rolled into a U shape by a rolling wheel, and is bent into a circle when the iron sheet is hot, and the circle is welded into a complete U-shaped ring groove by laser.
The manufacturing method of the U-shaped ring groove in the first step comprises the steps of cutting a hollow iron sheet circular pipe with the pipe skin thickness of 1-2mm and the pipe hole diameter of 2-6mm according to the required length of a product, folding the cut hollow iron sheet circular pipe into a circular ring and welding the circular ring into a circle, and horizontally cutting and splitting the circular ring along the diameter direction of the hollow iron sheet circle to form two U-shaped ring grooves.
In the third step, the iron sheet ring is polished on the end surface after being processed, so that the flatness and the smoothness of the iron sheet ring reach the quality standard of the bright band ring surface of the floating seal ring.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an ultra wear-resisting high strength oil seal ring that floats of iron-plastic combination which characterized in that: including the plastics ring body (1), install iron leather ring (2) on the working face of plastics ring body (1), iron leather ring (2) are including transversal annular (21) of personally submitting "U" shape, and it has wear-resistant material layer (22) to fill in annular (21), fixed bayonet lock (23) that are used for preventing iron leather ring (2) to remove for plastics ring body (1) are installed in the outside of iron leather ring (2), fixed jack catch (24) that are used for fixed iron leather ring (2) are installed to the inboard of iron leather ring (2), and the top of fixed jack catch (24) is provided with inside turn-ups (25), offer fluting (11) that conveniently place O type rubber ring (3) on plastics ring body (1), offer iron sheet ring mounting groove (12) that are used for installing iron leather ring (2) on plastics ring body (1) working face, offer insertion groove (13) that conveniently insert fixed bayonet lock (23) on the inside wall of iron sheet ring mounting groove (12), the lower edge of the iron sheet ring mounting groove (12) is provided with a jaw mounting groove (14) convenient for fixing a jaw (24) to mount, and the top of the jaw mounting groove (14) is provided with a flanging slot (15) convenient for flanging (25) to insert.
2. The iron-plastic combined super-wear-resistant high-strength floating oil seal ring as claimed in claim 1, wherein: the lower edge of the working surface of the plastic ring body (1) is also respectively provided with an oil supply inclined plane (16) for supplying oil to the working surface and an oil inlet inclined plane (17) for enabling lubricating oil to smoothly enter the oil supply inclined plane (16).
3. The iron-plastic combined super-wear-resistant high-strength floating oil seal ring as claimed in claim 1, wherein: the thickness of the iron sheet ring (2) is 1-2 mm.
4. The iron-plastic combined super-wear-resistant high-strength floating oil seal ring as claimed in claim 1, wherein: the width of the groove opening of the ring groove (21) is 2-5 mm.
5. The manufacturing method of the iron-plastic combined super-wear-resistant high-strength floating oil seal ring is characterized by comprising the following specific steps of:
processing a 1-2mm thick iron sheet or a 1-2mm thick hollow iron sheet round tube to form a U-shaped ring groove;
welding 2-6 fixed clamping pins at equal intervals on the outer side of the U-shaped ring groove, welding 2-6 fixed clamping jaws at equal intervals on the inner side of the U-shaped ring groove, and flanging the top of each fixed clamping jaw in the direction opposite to the opening of the U-shaped ring groove;
thirdly, filling and melting super wear-resistant metal or non-metal wear-resistant materials in the U-shaped groove, and filling the U-shaped groove to form an iron sheet ring finished product;
manufacturing a plastic ring body mold according to the shape of the iron leather ring, and selecting engineering plastics to perform injection molding in the plastic ring body mold to form a plastic ring body;
and step five, embedding the finished iron sheet ring manufactured in the step three into a corresponding position of the working surface of the plastic ring body to form the iron-plastic combined super-wear-resistant high-strength floating oil seal ring.
6. The manufacturing method of the iron-plastic combined super wear-resistant high-strength floating oil seal ring according to claim 5, wherein the manufacturing method of the U-shaped ring groove in the first step is that the iron sheet with the thickness of 1-2mm is cut off according to the length corresponding to the model; the cut iron sheet is heated by a medium-frequency induction device, the heated iron sheet is rolled into a U shape by a rolling wheel, and is bent into a circle when the iron sheet is hot, and the circle is welded into a complete U-shaped ring groove by laser.
7. The manufacturing method of the ultra-wear-resistant high-strength floating oil seal ring of the iron-plastic combination according to claim 5, wherein the manufacturing method of the U-shaped ring groove in the first step is that a hollow iron sheet circular tube with the thickness of 1-2mm and the inner diameter of 3-7mm is cut according to the required length of a product, the cut hollow iron sheet circular tube is folded into a circular ring and welded into a circle, and then the circular ring is horizontally cut and split along the diameter direction of the hollow iron sheet tube to form two U-shaped ring grooves.
8. The method for manufacturing the iron-plastic combined super-wear-resistant high-strength floating oil seal ring according to claim 5, wherein in the third step, the iron sheet ring is subjected to end surface grinding after being processed, so that the flatness and the smoothness of the iron sheet ring reach the bright band surface quality standard of the floating seal ring.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018115002493 | 2018-12-10 | ||
| CN201811500249 | 2018-12-10 |
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| Publication Number | Publication Date |
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| CN109759787A CN109759787A (en) | 2019-05-17 |
| CN109759787B true CN109759787B (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910049174.XA Active CN109759787B (en) | 2018-12-10 | 2019-01-18 | Iron-plastic combined super-wear-resistant high-strength floating oil seal ring and manufacturing method thereof |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110805696B (en) * | 2019-10-31 | 2021-11-19 | 武汉鑫华封机械制造有限责任公司 | Super wear-resistant floating seal ring and machining method and device thereof |
| CN210890115U (en) * | 2019-10-31 | 2020-06-30 | 武汉鑫华封机械制造有限责任公司 | Non-metal floating oil seal |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8304117A (en) * | 1983-12-01 | 1985-07-01 | Single Buoy Moorings | SEALING BETWEEN TWO PARTS OF A PIPE COUPLING ROTATABLE. |
| CN2451817Y (en) * | 2000-12-05 | 2001-10-03 | 李波 | Self-tightening endodynamic seal ring |
| US20060186601A1 (en) * | 2005-02-18 | 2006-08-24 | Jean-Marc Lopez | Fluid seals |
| JP5021962B2 (en) * | 2006-06-16 | 2012-09-12 | 株式会社小松製作所 | Floating seal |
| CN201714978U (en) * | 2010-06-29 | 2011-01-19 | 广州宝力特液压密封有限公司 | Magnetic floating oil seal |
| CN202327112U (en) * | 2011-11-10 | 2012-07-11 | 陈秋湖 | Sealing ring with U-shaped section |
| JP6599681B2 (en) * | 2015-07-30 | 2019-10-30 | 株式会社バルカー | Packing |
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