CN114962640A - Oil leakage prevention sealing ring and machining method thereof - Google Patents
Oil leakage prevention sealing ring and machining method thereof Download PDFInfo
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- CN114962640A CN114962640A CN202210674524.3A CN202210674524A CN114962640A CN 114962640 A CN114962640 A CN 114962640A CN 202210674524 A CN202210674524 A CN 202210674524A CN 114962640 A CN114962640 A CN 114962640A
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- 238000007789 sealing Methods 0.000 title claims abstract description 91
- 230000002265 prevention Effects 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims description 11
- 238000003754 machining Methods 0.000 title description 3
- 229920001971 elastomer Polymers 0.000 claims abstract description 79
- 239000005060 rubber Substances 0.000 claims abstract description 79
- 239000000835 fiber Substances 0.000 claims abstract description 14
- 238000003672 processing method Methods 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims description 42
- 238000002156 mixing Methods 0.000 claims description 20
- 238000012545 processing Methods 0.000 claims description 16
- 238000005507 spraying Methods 0.000 claims description 15
- 238000009966 trimming Methods 0.000 claims description 15
- 238000001035 drying Methods 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 239000003795 chemical substances by application Substances 0.000 claims description 13
- 239000002994 raw material Substances 0.000 claims description 11
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 10
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 10
- 229920002635 polyurethane Polymers 0.000 claims description 10
- 239000004814 polyurethane Substances 0.000 claims description 10
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 9
- 238000004806 packaging method and process Methods 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 238000005303 weighing Methods 0.000 claims description 8
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
- 208000032544 Cicatrix Diseases 0.000 claims description 5
- 229920000459 Nitrile rubber Polymers 0.000 claims description 5
- 235000021355 Stearic acid Nutrition 0.000 claims description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 5
- 230000003712 anti-aging effect Effects 0.000 claims description 5
- IRERQBUNZFJFGC-UHFFFAOYSA-L azure blue Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[S-]S[S-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-] IRERQBUNZFJFGC-UHFFFAOYSA-L 0.000 claims description 5
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 5
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 5
- 239000004014 plasticizer Substances 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- 231100000241 scar Toxicity 0.000 claims description 5
- 230000037387 scars Effects 0.000 claims description 5
- 239000008117 stearic acid Substances 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 5
- 239000011593 sulfur Substances 0.000 claims description 5
- 229910052717 sulfur Inorganic materials 0.000 claims description 5
- 239000004408 titanium dioxide Substances 0.000 claims description 5
- 239000012856 weighed raw material Substances 0.000 claims description 5
- 239000011787 zinc oxide Substances 0.000 claims description 5
- 244000043261 Hevea brasiliensis Species 0.000 claims description 4
- 239000002202 Polyethylene glycol Substances 0.000 claims description 4
- 229920002396 Polyurea Polymers 0.000 claims description 4
- FPZVGADNYUTBRL-UHFFFAOYSA-N [S-][S-].[Mg+2] Chemical compound [S-][S-].[Mg+2] FPZVGADNYUTBRL-UHFFFAOYSA-N 0.000 claims description 4
- 230000032683 aging Effects 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 229910044991 metal oxide Inorganic materials 0.000 claims description 4
- 150000004706 metal oxides Chemical class 0.000 claims description 4
- 229920003052 natural elastomer Polymers 0.000 claims description 4
- 229920001194 natural rubber Polymers 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 229920001223 polyethylene glycol Polymers 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 3
- 125000004368 propenyl group Chemical group C(=CC)* 0.000 claims description 3
- 238000010998 test method Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 2
- 238000004026 adhesive bonding Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000003292 glue Substances 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- 238000013475 authorization Methods 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- YXIWHUQXZSMYRE-UHFFFAOYSA-N 1,3-benzothiazole-2-thiol Chemical compound C1=CC=C2SC(S)=NC2=C1 YXIWHUQXZSMYRE-UHFFFAOYSA-N 0.000 description 1
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 1
- 229920001030 Polyethylene Glycol 4000 Polymers 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- DEQZTKGFXNUBJL-UHFFFAOYSA-N n-(1,3-benzothiazol-2-ylsulfanyl)cyclohexanamine Chemical compound C1CCCCC1NSC1=NC2=CC=CC=C2S1 DEQZTKGFXNUBJL-UHFFFAOYSA-N 0.000 description 1
- 229940057838 polyethylene glycol 4000 Drugs 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- GTZCVFVGUGFEME-HNQUOIGGSA-N trans-aconitic acid Chemical compound OC(=O)C\C(C(O)=O)=C/C(O)=O GTZCVFVGUGFEME-HNQUOIGGSA-N 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/104—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing characterised by structure
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
Abstract
The invention discloses an oil leakage prevention sealing ring and a processing method thereof, and the oil leakage prevention sealing ring comprises a sealing ring body, wherein the sealing ring body comprises a main ring body, the main ring body comprises a rubber core, a fiber layer is wrapped on the outer wall of the side surface of the rubber core, a rubber layer is wrapped on the outer wall of one side surface of the fiber layer, an inner convex ring is integrally formed on the inner wall of the side surface of the main ring body, an outer convex ring is integrally formed on the outer wall of the side surface of the main ring body, the inner convex ring and the outer convex ring both comprise a rubber layer II, a smooth layer is sprayed on the outer wall of the two side surfaces of the rubber layer, and a cavity groove is formed in the outer wall of the top of the rubber layer II. The invention has the beneficial effects that: when using this rubber seal, the intensity of sealing washer can be improved to the main ring body that constitutes by gluing core, fibrous layer and rubber layer, can improve the toughness of main ring body simultaneously for the life-span of sealing washer improves, and interior convex ring can make the joint of sealing washer inner circle inside corresponding draw-in groove, makes sealing contact be an annular face contact, thereby improves sealed effect.
Description
Technical Field
The invention relates to the technical field of sealing rings, in particular to an oil leakage prevention sealing ring and a machining method thereof.
Background
The normal rubber O-shaped sealing ring is low in price, simple to manufacture, reliable in function and simple in installation requirement, and is the most common sealing design.
If the authorization notice number is CN108752672B, the authorization notice date is 20210112. In daily life, often need heat edible container, the sealing washer also often can be heated and the inflation after shrink, current sealing washer is not good because tensile strength, and has reduced the life of sealing washer. The application provides a sealing washer, the sealing washer includes: nitrile butadiene rubber, white carbon black, a plasticizer, zinc oxide, stearic acid, an anti-aging agent 445, polyethylene glycol-4000, a silane coupling agent, an accelerator TBZTD, an accelerator CZ, an accelerator M, an accelerator TRA, sulfur, ultramarine, titanium dioxide and light calcium carbonate. All the substances are mutually coordinated and matched, so that the tensile strength of the sealing ring is greatly increased, and the service life of the sealing ring is ensured.
The rubber sealing ring in the prior art has poor strength, so that the service life of the sealing ring is short, meanwhile, the inner ring of the existing rubber sealing ring is in sealing contact with an annular line, the sealing effect is poor, and leakage is easy to occur, so that the oil leakage prevention sealing ring and the processing method thereof are urgently needed to solve the problems.
Disclosure of Invention
The invention aims to provide an oil leakage prevention sealing ring and a processing method thereof, and aims to overcome the defects in the prior art.
In order to achieve the above purpose, the invention provides the following technical scheme:
the utility model provides an oil leakage prevention sealing ring, includes the sealing washer body, the sealing washer body includes the major loop body, the major loop body is including gluing the core, it has the fibrous layer to glue the parcel on the outer wall of core side, and the parcel has the rubber layer on the outer wall of fibrous layer side, integrated into one piece has interior bulge loop on the inner wall of major loop side, integrated into one piece has the evagination ring on the outer wall of major loop side.
Furthermore, the inner convex ring and the outer convex ring comprise a rubber layer II, and smooth layers are sprayed on the outer walls of the two sides of the rubber layer.
Furthermore, a cavity groove is formed in the outer wall of the top of the rubber layer, and the main ring body is arranged inside the cavity groove.
A processing method of an oil leakage prevention sealing ring comprises the following steps:
s1, selecting and batching: purchasing production raw materials according to production requirements, then weighing the components required by various raw materials by using weighing equipment, and classifying and placing the components into corresponding storage equipment;
s2, mixing and vulcanizing: feeding the weighed raw materials into a mixing roll, starting the mixing roll to mix the materials, and then pouring the mixed materials into a vulcanizing machine to vulcanize the mixed materials;
s3, forming of a mold: preheating the mold, pouring the vulcanized material into the mold after the previous step is finished, standing for a period of time, cooling, and demolding to obtain the molded rubber core;
s4, trimming and winding: after the previous step is finished, directly discarding the rubber core with the oil scars and the material shortage, then clearing burrs left when the rubber core is assembled, then wrapping the prepared fiber layer on the rubber core, and then putting the wrapped rubber core into a prepared mould;
s5, reshaping: after the previous step is finished, pouring the mixed material in the step S into the mold again to form the rubber layer so as to obtain a main ring body, then after the cooling is finished, repeating the step S, trimming the formed main ring body, then putting the formed main ring body into the corresponding mold, and then pouring the prepared polyurethane material again so as to form the inner convex ring and the outer convex ring on the main ring body;
s6, spraying and drying: after the previous step is finished, spraying the mixed material of the smooth layer on the main ring body formed in the previous step through spraying equipment, and then putting the sprayed finished product into drying equipment for drying, so as to obtain a sealing ring body;
s7, trimming and packaging: after the preparation of the previous step is finished, trimming the sealing ring body to obtain the sealing ring body with a smooth surface, then inspecting the sealing ring body part, then putting the qualified finished product into a packaging bag, and then warehousing.
Further, the production raw materials in the S1 are as follows: 80-120 parts of nitrile rubber, 60-100 parts of natural rubber, 5-15 parts of plasticizer, 3-7 parts of zinc oxide, 0.5-3 parts of stearic acid, 4450.3-3 parts of anti-aging agent, 0.2-3 parts of polyethylene glycol, 0.6-5 parts of silane coupling agent, 1-10 parts of accelerator, 0.2-2 parts of sulfur, 0.1-1 part of ultramarine, 5-15 parts of titanium dioxide, 10-50 parts of light calcium carbonate, 10-15 parts of propenyl, 28-40 parts of graphite powder and 10-15 parts of rubber oil.
Further, the mixing in the S2 is carried out for three times, and the primary processing time is 12-15min, the temperature is 150-.
Further, the temperature of the mold during preheating in the S3 is 150-.
Further, the smooth layer of S6 is made of: 40-100 parts of epoxy resin, 50-140 parts of rubber, 80-200 parts of magnesium disulfide, 5-60 parts of graphite powder, 2-12 parts of curing agent, 2-13 parts of auxiliary curing agent, 3-15 parts of metal oxide, 4-13 parts of silane coupling agent, 5-8 parts of polyurethane and 5-10 parts of polyurea.
Further, the thickness of the smooth layer in the S6 is 1-3 mm.
In addition, the check in S7 is a test method for the size, appearance, hardness, oil resistance, temperature resistance, aging resistance, corrosion resistance, tensile strength, elongation at break, low temperature brittleness temperature, compression set, and the like of the seal ring body.
In the technical scheme, the invention provides an oil leakage prevention sealing ring and a processing method thereof, (1) the rubber core, the fiber layer and the rubber layer are designed, when the rubber sealing ring is used, the main ring body formed by the rubber core, the fiber layer and the rubber layer can improve the strength of the sealing ring, and meanwhile, the toughness of the main ring body can be improved, so that the service life of the sealing ring is prolonged; (2) when the inner ring designed by the invention is used for sealing, the inner ring of the sealing ring can be clamped in the corresponding clamping groove by the inner ring, so that the sealing contact is annular surface contact, and the sealing effect is improved; (3) when the seal ring is used, the smoothness and the wear resistance of the inner ring and the outer ring on the seal ring body can be improved by the smooth layer designed by the invention, and the friction on the seal ring is reduced, so that the service life of the seal ring is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
Fig. 1 is a schematic front view of an oil leakage prevention seal ring and a processing method thereof according to an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional view of a main ring body according to an embodiment of an oil leakage prevention seal ring and a processing method thereof of the present invention.
Fig. 3 is a schematic structural view of an outer convex ring and an inner convex ring provided in an embodiment of an oil leakage prevention seal ring and a processing method thereof of the present invention.
Fig. 4 is a flowchart of a method for manufacturing an oil-leakage-proof seal ring according to an embodiment of the present invention.
Description of reference numerals:
1 sealing washer body, 2 main ring bodies, 3 outer bulge loops, 4 inner bulge loops, 5 gluey cores, 6 fibrous layers, 7 rubber layers, 8 polyurethane layers, 9 smooth layers, 10 chamber grooves.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 3, the oil leakage preventing seal ring provided in the embodiment of the present invention includes a seal ring body 1, the seal ring body 1 includes a main ring body 2, the main ring body 2 includes a rubber core 5, a fiber layer 6 is wrapped on an outer wall of a side surface of the rubber core 5, a rubber layer 7 is wrapped on an outer wall of a side surface of the fiber layer 6, an inner convex ring 4 is integrally formed on an inner wall of a side surface of the main ring body 2, and an outer convex ring 3 is integrally formed on an outer wall of a side surface of the main ring body 2.
Specifically, in the embodiment, including sealing washer body 1, sealing washer body 1 includes main ring body 2, main ring body 2 is including gluing core 5, it has fibrous layer 6 to glue the parcel on the outer wall of core 5 side, and the parcel has rubber layer 7 on the outer wall of 6 sides of fibrous layer, by gluing core 5, the main ring body 2 that fibrous layer 6 and rubber layer 7 constitute can improve the intensity of sealing washer, can improve the toughness of main ring body 2 simultaneously, make the life-span of sealing washer improve, integrated into one piece has interior bulge loop 4 on the inner wall of 2 sides of main ring body, interior bulge loop 4 can make the joint of sealing washer inner circle inside corresponding draw-in groove, make sealing contact be an annular surface contact, thereby improve sealed effect, integrated into one piece has outer bulge loop 3 on the outer wall of 2 sides of main ring body, outer bulge loop 3 improves the life of sealing washer outer lane.
When the rubber sealing ring is used, the main ring body 2 consisting of the rubber core 5, the fiber layer 6 and the rubber layer 7 can improve the strength of the sealing ring, and simultaneously can improve the toughness of the main ring body 2, so that the service life of the sealing ring is prolonged.
In another embodiment provided by the invention, the inner convex ring 4 and the outer convex ring 3 both comprise the second rubber layer 8, the outer wall of the side surface of the second rubber layer 8 is sprayed with the smooth layer 9, and the smooth layer 9 can improve the smoothness and the wear resistance of the inner ring and the outer ring on the sealing ring body 1, reduce the friction on the sealing ring and further prolong the service life of the sealing ring.
In another embodiment provided by the invention, the outer wall of the top of the second rubber layer 8 is provided with a cavity 10, the second rubber layer 8 is arranged on the main ring body 2 through the cavity 10, and the main ring body 2 is arranged in the cavity 10.
As shown in fig. 4, a method for processing an oil leakage prevention seal ring according to an embodiment of the present invention includes the following steps:
s1, selecting and batching: purchasing production raw materials according to production requirements, then weighing the components required by various raw materials by using weighing equipment, and classifying and placing the components into corresponding storage equipment;
s2, mixing and vulcanizing: feeding the weighed raw materials into a mixing roll, starting the mixing roll to mix the materials, and then pouring the mixed materials into a vulcanizing machine to vulcanize the mixed materials;
s3, forming of a mold: preheating the mold, pouring the vulcanized material into the mold after the previous step is finished, standing for a period of time, cooling, and demolding to obtain the molded rubber core 5;
s4, trimming and winding: after the previous step is finished, directly discarding the rubber core 5 with oil scars and material shortage, then clearing burrs left when the rubber core 5 is assembled, then wrapping the prepared fiber layer 6 on the rubber core 5, and then putting the wrapped rubber core 5 into a prepared mould;
s5, reshaping: after the previous step is finished, pouring the mixed material in the step S2 into the mold again to form the rubber layer 7, thereby obtaining the main ring body 2, then after cooling is finished, repeating the step S4 to trim the formed main ring body 2, then putting the formed main ring body 2 into the corresponding mold, and then pouring the prepared polyurethane material again to form the inner convex ring 4 and the outer convex ring 3 on the main ring body 2;
s6, spraying and drying: after the previous step is finished, spraying the mixed material of the smooth layer 9 on the main ring body 2 formed in the previous step through spraying equipment, and then putting the sprayed finished product into drying equipment for drying, so as to obtain the sealing ring body 1;
s7, trimming and packaging: after the preparation in the previous step is finished, trimming the sealing ring body 1 to obtain the sealing ring body 1 with a smooth surface, then inspecting the sealing ring body 1, then putting the qualified finished product into a packaging bag, and then warehousing.
In another embodiment provided by the invention, the production raw materials in the S1 are: 120 parts of nitrile rubber, 100 parts of natural rubber, 15 parts of plasticizer, 7 parts of zinc oxide, 3 parts of stearic acid, 4453 parts of anti-aging agent, 3 parts of polyethylene glycol, 5 parts of silane coupling agent, 10 parts of accelerator, 2 parts of sulfur, 1 part of ultramarine, 15 parts of titanium dioxide, 50 parts of light calcium, 15 parts of allyl, 40 parts of graphite powder and 15 parts of rubber oil.
In another embodiment provided by the invention, the mixing in the step S2 is carried out for three times, the primary processing time is 15min, the temperature is 180 ℃, the secondary processing time is 12min, the temperature is 150 ℃, the tertiary processing time is 25min, and the temperature is 200 ℃.
In another embodiment provided by the present invention, the mold temperature during preheating in S3 is 180 ℃, the pressure is 30mpa, and the preheating is performed for 10 min.
In another embodiment provided by the present invention, the smooth layer 9 of S6 is made of: 40 parts of epoxy resin, 50 parts of rubber, 80 parts of magnesium disulfide, 20 parts of graphite powder, 8 parts of curing agent, 7 parts of auxiliary curing agent, 8 parts of metal oxide, 6 parts of silane coupling agent, 6 parts of polyurethane and 10 parts of polyurea.
In another embodiment provided by the present invention, the thickness of the slip layer 9 in S6 is 2 mm.
In another embodiment provided by the present invention, the inspection in S7 is a test method for the size, appearance, hardness, oil resistance, temperature resistance, aging resistance, corrosion resistance, tensile strength, elongation at break, low temperature brittleness temperature, compression set, and the like of the seal ring body 1.
Example 1
The utility model provides a leak protection oil seal circle, including sealing washer body 1, sealing washer body 1 includes the major loop body 2, the major loop body 2 is including gluing core 5, it has fibrous layer 6 to glue the parcel on the outer wall of core 5 side, and the parcel has rubber layer 7 on the outer wall of 6 sides of fibrous layer, by gluing core 5, the major loop body 2 that fibrous layer 6 and rubber layer 7 constitute can improve the intensity of sealing washer, can improve the toughness of major loop body 2 simultaneously, make the life-span of sealing washer improve, integrated into one piece has interior bulge loop 4 on the inner wall of 2 sides of the major loop body, interior bulge loop 4 can make sealing washer inner circle joint inside corresponding draw-in groove, make sealing contact be an annular surface contact, thereby improve sealed effect, integrated into one piece has outer bulge loop 3 on the outer wall of 2 sides of the major loop body, outer bulge loop 3 improves the life of sealing washer outer lane.
Example 2
The embodiment is further limited on the basis of embodiment 1, and the method for processing the oil leakage prevention sealing ring comprises the following steps:
s1, selecting and batching: according to production requirements, purchasing 120 parts of nitrile rubber, 100 parts of natural rubber, 15 parts of plasticizer, 7 parts of zinc oxide, 3 parts of stearic acid, 4453 parts of anti-aging agent, 3 parts of polyethylene glycol, 5 parts of silane coupling agent, 10 parts of accelerator, 2 parts of sulfur, 1 part of ultramarine, 15 parts of titanium dioxide, 50 parts of light calcium, 15 parts of propenyl, 40 parts of graphite powder and 15 parts of rubber oil, and classifying and putting the materials into corresponding storage equipment;
s2, mixing and vulcanizing: feeding the weighed raw materials into a mixing roll, starting the mixing roll to mix the materials, and then pouring the mixed materials into a vulcanizing machine to vulcanize the mixed materials; mixing for three times, wherein the primary processing time is 15min, the temperature is 180 ℃, the secondary processing time is 12min, the temperature is 150 ℃, the tertiary processing time is 25min, and the temperature is 200 ℃;
s3, forming of a mold: preheating a mould at 180 ℃ and 30mpa for 10min, pouring the vulcanized material into the mould after the previous step is finished, standing for a period of time, cooling, and demoulding to obtain a molded rubber core 5;
s4, trimming and winding: after the previous step is finished, directly discarding the rubber core 5 with oil scars and material shortage, then clearing burrs left when the rubber core 5 is assembled, then wrapping the prepared fiber layer 6 on the rubber core 5, and then putting the wrapped rubber core 5 into a prepared mould;
s5, reshaping: after the previous step is finished, pouring the mixed material in the step S2 into the mold again to form the rubber layer 7, thereby obtaining the main ring body 2, then after cooling is finished, repeating the step S4 to trim the formed main ring body 2, then putting the formed main ring body 2 into the corresponding mold, and then pouring the prepared polyurethane material again to form the inner convex ring 4 and the outer convex ring 3 on the main ring body 2;
s6, spraying and drying: after the previous step is finished, mixing 40 parts of epoxy resin, 50 parts of rubber, 80 parts of magnesium disulfide, 20 parts of graphite powder, 8 parts of curing agent, 7 parts of auxiliary curing agent, 8 parts of metal oxide, 6 parts of silane coupling agent, 6 parts of polyurethane and 10 parts of polyurea for standby, spraying the mixed material of the smooth layer 9 on the main ring body 2 formed in the previous step by spraying equipment, wherein the spraying thickness is 2mm, and then putting the sprayed finished product into drying equipment for drying, thereby obtaining the sealing ring body 1;
s7, trimming and packaging: after the preparation of the previous step is finished, trimming the sealing ring body 1 to obtain the sealing ring body 1 with a smooth surface, then inspecting the sealing ring body 1, mainly inspecting the appearance, hardness, oil resistance, temperature resistance, aging resistance, corrosion resistance, tensile strength, elongation at break, low-temperature brittleness temperature, compression permanent deformation and other testing methods, then putting the qualified finished product into a packaging bag, and then warehousing
The working principle is as follows: purchasing production raw materials according to production requirements, then weighing the components required by various raw materials by using weighing equipment, and classifying and placing the components into corresponding storage equipment; feeding the weighed raw materials into a mixing roll, starting the mixing roll to mix the materials, processing the materials three times during mixing, wherein the primary processing time is 15min, the temperature is 180 ℃, the secondary processing time is 12min, the temperature is 150 ℃, the tertiary processing time is 25min, and the temperature is 200 ℃, and then pouring the mixed materials into a vulcanizing machine to vulcanize the mixed materials; preheating a mould for 10min at the temperature of 180 ℃ and the pressure of 20mpa, pouring the vulcanized material into the mould after the previous step is finished, standing for a period of time, cooling, and demoulding to obtain a molded rubber core 5; after the previous step is finished, directly discarding the rubber core 5 with oil scars and material shortage, then clearing burrs left when the rubber core 5 is assembled, then wrapping the prepared fiber layer 6 on the rubber core 5, and then putting the wrapped rubber core 5 into a prepared mould; after the previous step is finished, pouring the mixed material in the step S2 into the mold again to form the rubber layer 7, thereby obtaining the main ring body 2, then after cooling is finished, repeating the step S4 to trim the formed main ring body 2, then putting the formed main ring body 2 into the corresponding mold, and then pouring the prepared polyurethane material again to form the inner convex ring 4 and the outer convex ring 3 on the main ring body 2; after the previous step is finished, spraying the mixed material of the smooth layer 9 on the main ring body 2 formed in the previous step through spraying equipment so as to form the smooth layer 9 with the thickness of 2mm, and then putting the sprayed finished product into drying equipment for drying so as to obtain the sealing ring body 1; after the preparation in the previous step is finished, trimming the sealing ring body 1 to obtain the sealing ring body 1 with a smooth surface, then inspecting the sealing ring body 1, then putting the qualified finished product into a packaging bag, and then warehousing.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (10)
1. The utility model provides a leak protection oil sealing washer, includes sealing washer body (1), its characterized in that: the sealing ring is characterized in that the sealing ring body (1) comprises a main ring body (2), the main ring body (2) comprises a rubber core (5), a fiber layer (6) wraps the outer wall of the side face of the rubber core (5), a rubber layer (7) wraps the outer wall of the side face of the fiber layer (6), an inner convex ring (4) is integrally formed on the inner wall of the side face of the main ring body (2), and an outer convex ring (3) is integrally formed on the outer wall of the side face of the main ring body (2).
2. An oil leakage prevention sealing ring according to claim 1, wherein the inner convex ring (4) and the outer convex ring (3) both comprise a second rubber layer (8), and a smooth layer (9) is sprayed on the outer wall of the side surface of the second rubber layer (8).
3. The oil leakage prevention sealing ring according to claim 2, wherein a cavity groove (10) is formed in the outer wall of the top of the second rubber layer (8), and the main ring body (2) is arranged inside the cavity groove (10).
4. A method for processing an oil leakage preventing seal ring, comprising the oil leakage preventing seal ring as claimed in any one of claims 1 to 3, characterized in that: the method comprises the following steps:
s1, selecting and batching: purchasing production raw materials according to production requirements, then weighing the components required by various raw materials by using weighing equipment, and classifying and placing the components into corresponding storage equipment;
s2, mixing and vulcanizing: feeding the weighed raw materials into a mixing roll, starting the mixing roll to mix the materials, and then pouring the mixed materials into a vulcanizing machine to vulcanize the mixed materials;
s3, forming of a mold: preheating the mold, pouring the vulcanized material into the mold after the previous step is finished, standing for a period of time, cooling, and demolding to obtain a molded rubber core (5);
s4, trimming and winding: after the previous step is finished, directly discarding the rubber core (5) with the oil scars and the material shortage, then clearing burrs left when the rubber core (5) is assembled, then wrapping the prepared fiber layer (6) on the rubber core (5), and then putting the wrapped rubber core (5) into a prepared mould;
s5, reshaping: after the previous step is finished, pouring the mixed material in the step S2 into a mold again to form the rubber layer (7) so as to obtain the main ring body (2), then, after the cooling is finished, repeating the step S4, trimming the formed main ring body (2), then, putting the formed main ring body (2) into the corresponding mold, and then pouring the prepared polyurethane material again so as to form the inner convex ring (4) and the outer convex ring (3) on the main ring body (2);
s6, spraying and drying: after the previous step is finished, spraying the mixed material of the smooth layer (9) on the main ring body (2) formed in the previous step through spraying equipment, and then putting the sprayed finished product into drying equipment for drying, so as to obtain the sealing ring body (1);
s7, trimming and packaging: after the preparation of the previous step is finished, trimming the sealing ring body (1) to obtain the sealing ring body (1) with a smooth surface, then inspecting the sealing ring body (1), then putting the qualified finished product into a packaging bag, and then warehousing.
5. The processing method of the oil leakage prevention sealing ring according to claim 4, wherein the production raw materials in the step S1 are as follows: 80-120 parts of nitrile rubber, 60-100 parts of natural rubber, 5-15 parts of plasticizer, 3-7 parts of zinc oxide, 0.5-3 parts of stearic acid, 4450.3-3 parts of anti-aging agent, 0.2-3 parts of polyethylene glycol, 0.6-5 parts of silane coupling agent, 1-10 parts of accelerator, 0.2-2 parts of sulfur, 0.1-1 part of ultramarine, 5-15 parts of titanium dioxide, 10-50 parts of light calcium carbonate, 10-15 parts of propenyl, 28-40 parts of graphite powder and 10-15 parts of rubber oil.
6. The method as claimed in claim 4, wherein the mixing step in S2 is performed in three steps, and the primary processing time is 12-15min at 150-.
7. The method as claimed in claim 4, wherein the preheating at S3 is performed at a mold temperature of 150-.
8. The processing method of the oil leakage prevention sealing ring according to claim 4, wherein the S6 smooth layer (9) is made of: 40-100 parts of epoxy resin, 50-140 parts of rubber, 80-200 parts of magnesium disulfide, 5-60 parts of graphite powder, 2-12 parts of curing agent, 2-13 parts of auxiliary curing agent, 3-15 parts of metal oxide, 4-13 parts of silane coupling agent, 5-8 parts of polyurethane and 5-10 parts of polyurea.
9. The processing method of the oil leakage prevention sealing ring according to claim 4, wherein the thickness of the smooth layer (9) in the S6 is 1-3 mm.
10. The method for processing an oil leakage-proof seal ring according to claim 4, wherein the inspection in S7 is a test method for the size, appearance, hardness, oil resistance, temperature resistance, aging resistance, corrosion resistance, tensile strength, elongation at break, low temperature brittleness temperature, compression set and the like of the seal ring body (1).
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| CN202210674524.3A CN114962640A (en) | 2022-06-15 | 2022-06-15 | Oil leakage prevention sealing ring and machining method thereof |
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| CN202210674524.3A CN114962640A (en) | 2022-06-15 | 2022-06-15 | Oil leakage prevention sealing ring and machining method thereof |
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