CN105003544B - A kind of sealing bearing and its manufacturing method - Google Patents

A kind of sealing bearing and its manufacturing method Download PDF

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Publication number
CN105003544B
CN105003544B CN201510435299.8A CN201510435299A CN105003544B CN 105003544 B CN105003544 B CN 105003544B CN 201510435299 A CN201510435299 A CN 201510435299A CN 105003544 B CN105003544 B CN 105003544B
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Prior art keywords
ring
sealing
retainer
bearing
rolling element
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CN201510435299.8A
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CN105003544A (en
Inventor
闫宁
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Jiangsu Rufei Bearing Technology Co ltd
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Rugao Nonstandard Bearing Co Ltd
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Abstract

The present invention relates to mechanical bearing fields, disclose a kind of sealing bearing, including outer ring, inner ring, retainer, rolling element and sealing ring, retainer is set between outer ring and inner ring, rolling element is set on retainer, the rolling element occurs to roll and then drives retainer rotation, retainer and outer ring, lubricant is filled in running clearance between inner ring and in the rolling gap between rolling element, the quantity of sealing ring is two, and it is respectively arranged on the both sides of retainer, the interior outer edge of any one sealing ring is turned up to retainer direction, the inside edge of sealing ring and the age of a draught animal of inner ring coordinate, the age of a draught animal of outer edge and outer ring coordinates, retainer is sealed between outer ring and inner ring by the sealing ring.The sealing bearing of the present invention prevents retainer and generates scrap incorporation bearing with Internal and external cycle friction, prevents lubricant from causing sealed ring deformation and lubricant to be lost in sealing ring extruding, improves the sealing performance of sealing bearing, extends the service life of sealing bearing.

Description

A kind of sealing bearing and its manufacturing method
Technical field
The present invention relates to mechanical bearing field more particularly to a kind of sealing bearing and its manufacturing methods.
Background technology
The effect of sealing bearing is to prevent the leakage of Bearing inner lubricant, and prevents the dust, moisture, different of outside The harmful objects such as object invade Bearing inner so that bearing can enduringly operate safely, respectively under required cond Kind of household electrical appliance, automobile and aerospace equipment etc. are for simplifying main machine structure, maintain easily and prevent adverse circumstances pair around The purpose that bearing is polluted and can need not be lubricated the long period, preferably the sealing bearing with dustproof cover.
The sealing effect of sealing bearing directly influences the quality of bearing, for sealing bearing do not require nothing more than its have it is higher Reliability of service life, and to have good sealing performance, vibration can be mitigated, reduce noise.
In the prior art, it is out of service to be likely to cause equipment for the damage due to sealing bearing or reduced performance, or even by This cause safety accident, therefore, it is existing sealing bearing structure and manufacturing process have it is to be optimized.
Invention content
In order to overcome the deficiencies of the prior art, the purpose of the present invention is:A kind of sealing bearing is provided, prevent retainer with it is inside and outside Circle friction generates scrap and mixes bearing, prevents lubricant from causing sealed ring deformation and lubricant to be lost in sealing ring extruding, improves The sealing performance of sealing bearing, extends the service life of sealing bearing.
In order to solve the technical problem in background technology, the present invention provides a kind of sealing bearing, including outer ring, inner ring, Retainer, rolling element and sealing ring, the retainer are set between outer ring and inner ring, and the rolling element is set on retainer, institute State rolling element and occur to roll and then drive retainer rotation, in running clearance between the retainer and outer ring, inner ring and Lubricant is filled in rolling gap between rolling element, the quantity of the sealing ring is two, and is respectively arranged on holding The interior outer edge of the both sides of frame, any one sealing ring is turned up to retainer direction, the inside edge of sealing ring and the tooth of inner ring The age of a draught animal of mouth cooperation, outer edge and outer ring coordinates, and retainer is sealed between outer ring and inner ring by the sealing ring.
Preferably, spring ring is additionally provided on the outside of the sealing ring, the section of the spring ring is U-shaped, the spring ring Silicon rubber is filled between sealing ring, the spring ring is used for pinch seal circle, alternatively, being additionally provided on the outside of the sealing ring Dustproof cover, the dustproof cover is for further sealing the sealing bearing.
Preferably, the retainer is made of phenol glue stringing.
Preferably, the sealing ring is made of rubber, is additionally provided with washer on the inside of the sealing ring, the washer be used for every From rolling element and sealing ring.
Preferably, the rolling element is GCr15 steel balls, the ratio of effective the guiding width and rolling element sphere diameter of the retainer Example ranging from 0.4:1-0.5:1.
Preferably, the outer ring and inner ring are made of GCr15 steel, and the madial wall of the outer ring is equipped with to be operated for rolling element Rolling surface, the lateral wall of the inner ring is equipped with the rolling surface operated for rolling element.
Optionally, the lubricant is lubricating oil or lubricating grease.
The present invention also provides a kind of manufacturing methods of sealing bearing, include the following steps:
S1, blank processing, heat treatment are carried out to Internal and external cycle successively, then respectively to the end flat of inner ring and outer ring, outer Circle, endoporus carry out mill benchmark;
S2, barreling outer ring inner headed face septal fossula and inner ring periphery outer fissure;
S3, assembly inner ring, retainer, rolling element, outer ring are at bearing completed products;
S4, lubricant is injected in bearing;
S5, washer, sealing ring are assembled in bearing both ends of the surface, the interior outer edge of the sealing ring is rolled over to retainer direction It rises, the inside edge of sealing ring and the age of a draught animal of inner ring coordinate, and the age of a draught animal of outer edge and outer ring coordinates;
S6, spring ring or dustproof cover are assembled on the outside of sealing ring.
Optionally, in the step S4, if lubricant is lubricating grease, needle cylinder injection lubricating grease is utilized, septal fossula, outer fissure are made It is stained with lubricating grease on each rolling element;If lubricant is lubricating oil, using oil dripping or cycle fuel system.
Specifically, before the step S3, demagnetization and ultrasonic wave cleaning showers process, the step are carried out to inner ring and outer ring After rapid S3, bearing completed products are slightly washed, fine purifiation makes Bearing inner and the removing of the impurity on surface, and bearing completed products are dried It is dry to be dried.
Using above-mentioned technical proposal, sealing bearing of the invention prevents retainer and generates scrap incorporation axis with Internal and external cycle friction It holds, prevents lubricant from causing sealed ring deformation and lubricant to be lost in sealing ring extruding, improve the sealing performance of sealing bearing, Extend the service life of sealing bearing.
Description of the drawings
It, below will be to required in embodiment or description of the prior art in order to illustrate more clearly of technical scheme of the present invention The attached drawing used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, right For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings Its attached drawing.
Fig. 1 is the structural schematic diagram of the unassembled sealing ring of sealing bearing provided in an embodiment of the present invention;
Fig. 2 is the structural schematic diagram of the sealing ring of sealing bearing provided in an embodiment of the present invention;
Fig. 3 is the manufacturing flow chart of sealing bearing provided in an embodiment of the present invention.
Wherein, reference numeral corresponds in figure:The outer rings 1-, 2- inner rings, 3- retainers, 4- rolling elements, 5- sealing rings.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of not making creative work it is all its His embodiment, shall fall within the protection scope of the present invention.
Embodiment 1:Fig. 1 is the structural schematic diagram of the unassembled sealing ring of sealing bearing provided in an embodiment of the present invention, Fig. 2 It is the structural schematic diagram of the sealing ring of sealing bearing provided in an embodiment of the present invention, from the figures it is clear that this implementation The sealing bearing that example provides includes outer ring 1, inner ring 2, retainer 3, rolling element 4 and sealing ring 5, and the retainer 3 is set to outer ring 1 Between inner ring 2, the rolling element 4 is set on retainer 3, and the rolling element 4 occurs to roll and then retainer 3 is driven to rotate, It is filled in running clearance between the retainer 3 and outer ring 1, inner ring 2 and in the rolling gap between rolling element 4 Lubricant, the quantity of the sealing ring 5 is two, and is respectively arranged on the both sides of retainer 3, any one sealing ring 5 it is inside and outside Edge is turned up to 3 direction of retainer, and the inside edge of sealing ring 5 coordinates with the age of a draught animal of inner ring 2, the age of a draught animal of outer edge and outer ring 1 Retainer 3 is sealed between outer ring 1 and inner ring 2 by cooperation, the sealing ring 5.
Preferably, the outside of the sealing ring 5 is additionally provided with spring ring, and the section of the spring ring is U-shaped, the spring ring Silicon rubber is filled between sealing ring 5, the spring ring is used for pinch seal circle 5.
In the present embodiment, the retainer 3 is made of phenol glue stringing, and traditional aluminium bronze is substituted using phenol glue stringing The wearability of material, aluminum-bronze material is poor, easily generates abrasive dust, the mill with outer ring or the friction of inner ring or rolling element at work Bits enter Bearing inner mixing in the lubricant, cause the pollution of lubricant, influence lubricant effect, while increasing bearing working table The fretting wear in face, easily accelerate bearing failure and damage, and phenol glue stringing retainer have higher abrasion resistance properties and Self-lubricating property has certain elasticity, plasticity, hardness, impact flexibility, fatigue strength and fracture toughness.
Preferably, the sealing ring 5 is made of rubber, and the inside of the sealing ring 5 is additionally provided with washer, and the washer is used for Separation roller 4 and sealing ring 5.
Preferably, the rolling element 4 is GCr15 steel balls, effective guiding width and 4 sphere diameter of rolling element of the retainer 3 Ratio be 0.4:1, specifically, the sphere diameter of the rolling element 4 is 7.144mm, and effective guiding width of retainer 3 is 2.88mm。
Preferably, the outer ring 1 and inner ring 2 are made of GCr15 steel, and the madial wall of the outer ring 1 is equipped with for rolling element 4 The rolling surface of operating, the lateral wall of the inner ring 2 are equipped with the rolling surface operated for rolling element 4.
Optionally, the lubricant is lubricating grease.
The present invention also provides a kind of manufacturing methods of sealing bearing, as shown in figure 3, including the following steps:
S1, blank processing, heat treatment are carried out to Internal and external cycle successively, then respectively to the end flat of inner ring and outer ring, outer Circle, endoporus carry out mill benchmark;
S2, barreling outer ring inner headed face septal fossula and inner ring periphery outer fissure;
S3, assembly inner ring, retainer, rolling element, outer ring are at bearing completed products;
S4, lubricant is injected in bearing;
S5, washer, sealing ring are assembled in bearing both ends of the surface, the interior outer edge of the sealing ring is rolled over to retainer direction It rises, the inside edge of sealing ring and the age of a draught animal of inner ring coordinate, and the age of a draught animal of outer edge and outer ring coordinates;
S6, spring ring is assembled on the outside of sealing ring.
Optionally, in the step S4, the lubricant is lubricating grease makes septal fossula, outer fissure using needle cylinder injection lubricating grease It is stained with lubricating grease on each rolling element.
Specifically, before the step S3, demagnetization and ultrasonic wave cleaning showers process, the step are carried out to inner ring and outer ring After rapid S3, bearing completed products are slightly washed, fine purifiation makes Bearing inner and the removing of the impurity on surface, and bearing completed products are dried It is dry to be dried.
Embodiment 2:Fig. 1 is the structural schematic diagram of the unassembled sealing ring of sealing bearing provided in an embodiment of the present invention, Fig. 2 It is the structural schematic diagram of the sealing ring of sealing bearing provided in an embodiment of the present invention, from the figures it is clear that this implementation The sealing bearing that example provides includes outer ring 1, inner ring 2, retainer 3, rolling element 4 and sealing ring 5, and the retainer 3 is set to outer ring 1 Between inner ring 2, the rolling element 4 is set on retainer 3, and the rolling element 4 occurs to roll and then retainer 3 is driven to rotate, It is filled in running clearance between the retainer 3 and outer ring 1, inner ring 2 and in the rolling gap between rolling element 4 Lubricant, the quantity of the sealing ring 5 is two, and is respectively arranged on the both sides of retainer 3, any one sealing ring 5 it is inside and outside Edge is turned up to 3 direction of retainer, and the inside edge of sealing ring 5 coordinates with the age of a draught animal of inner ring 2, the age of a draught animal of outer edge and outer ring 1 Retainer 3 is sealed between outer ring 1 and inner ring 2 by cooperation, the sealing ring 5.
Preferably, the outside of the sealing ring 5 is additionally provided with dustproof cover, and the dustproof cover is for further sealing the sealing Bearing.
In the present embodiment, the retainer 3 is made of phenol glue stringing, and traditional aluminium bronze is substituted using phenol glue stringing The wearability of material, aluminum-bronze material is poor, easily generates abrasive dust, the mill with outer ring or the friction of inner ring or rolling element at work Bits enter Bearing inner mixing in the lubricant, cause the pollution of lubricant, influence lubricant effect, while increasing bearing working table The fretting wear in face, easily accelerate bearing failure and damage, and phenol glue stringing retainer have higher abrasion resistance properties and Self-lubricating property has certain elasticity, plasticity, hardness, impact flexibility, fatigue strength and fracture toughness.
Preferably, the sealing ring 5 is made of rubber, and the inside of the sealing ring 5 is additionally provided with washer, and the washer is used for Separation roller 4 and sealing ring 5.
Preferably, the rolling element 4 is GCr15 steel balls, effective guiding width and 4 sphere diameter of rolling element of the retainer 3 Ratio be 0.5:1.
Preferably, the outer ring 1 and inner ring 2 are made of GCr15 steel, and the madial wall of the outer ring 1 is equipped with for rolling element 4 The rolling surface of operating, the lateral wall of the inner ring 2 are equipped with the rolling surface operated for rolling element 4.
Optionally, the lubricant is lubricating oil.
The present invention also provides a kind of manufacturing methods of sealing bearing, as shown in figure 3, including the following steps:
S1, blank processing, heat treatment are carried out to Internal and external cycle successively, then respectively to the end flat of inner ring and outer ring, outer Circle, endoporus carry out mill benchmark;
S2, barreling outer ring inner headed face septal fossula and inner ring periphery outer fissure;
S3, assembly inner ring, retainer, rolling element, outer ring are at bearing completed products;
S4, lubricant is injected in bearing;
S5, washer, sealing ring are assembled in bearing both ends of the surface, the interior outer edge of the sealing ring is rolled over to retainer direction It rises, the inside edge of sealing ring and the age of a draught animal of inner ring coordinate, and the age of a draught animal of outer edge and outer ring coordinates;
S6, dustproof cover is assembled on the outside of sealing ring.
Optionally, in the step S4, the lubricant is lubricating oil, specifically using oil dripping or cycle fuel system pair Bearing adds lubricant.
Specifically, before the step S3, demagnetization and ultrasonic wave cleaning showers process, the step are carried out to inner ring and outer ring After rapid S3, bearing completed products are slightly washed, fine purifiation makes Bearing inner and the removing of the impurity on surface, and bearing completed products are dried It is dry to be dried.
The sealing bearing of the present invention prevents retainer and generates scrap incorporation bearing with Internal and external cycle friction, prevents lubricant to close Seal extruding causes sealed ring deformation and lubricant to be lost in, and improves the sealing performance of sealing bearing, extends sealing bearing Service life.
Above disclosed is only several preferred embodiments of the present invention, cannot limit the present invention's with this certainly Interest field, therefore equivalent changes made in accordance with the claims of the present invention, are still within the scope of the present invention.

Claims (8)

1. a kind of sealing bearing, including outer ring (1), inner ring (2), retainer (3), rolling element (4) and sealing ring (5), feature It is, the retainer (3) is set between outer ring (1) and inner ring (2), and the rolling element (4) is set on retainer (3), described Rolling element (4) occurs to roll and then retainer (3) is driven to rotate, and turns between the retainer (3) and outer ring (1), inner ring (2) Lubricant is filled in dynamic gap and in the rolling gap between rolling element (4), the quantity of the sealing ring (5) is two It is a, and the both sides of retainer (3) are respectively arranged on, the interior outer edge of any one sealing ring (5) is rolled over to retainer (3) direction It rises, the inside edge of sealing ring (5) coordinates with the age of a draught animal of inner ring (2), and outer edge and the age of a draught animal of outer ring (1) coordinate, the sealing ring (5) retainer (3) is sealed between outer ring (1) and inner ring (2), spring ring is additionally provided on the outside of the sealing ring (5), it is described The section of spring ring is U-shaped, and silicon rubber is filled between the spring ring and sealing ring (5), and the spring ring is close for clamping Seal (5), alternatively, being additionally provided with dustproof cover on the outside of the sealing ring (5), the dustproof cover is for further sealing the sealing Bearing, the sealing ring (5) are made of rubber, and washer is additionally provided on the inside of the sealing ring (5), and the washer is rolled for being isolated Kinetoplast (4) and sealing ring (5).
2. sealing bearing as described in claim 1, which is characterized in that the retainer (3) is made of phenol glue stringing.
3. sealing bearing as claimed in claim 1 or 2, which is characterized in that the rolling element (4) is GCr15 steel balls, the guarantor The proportional region of the effective guiding width and rolling element (4) sphere diameter of holding frame (3) is 0.4:1-0.5:1.
4. sealing bearing as claimed in claim 3, which is characterized in that the outer ring (1) and inner ring (2) are by GCr15 steels At the madial wall of the outer ring (1) is equipped with the rolling surface operated for rolling element (4), and the lateral wall of the inner ring (2) is equipped with for rolling The rolling surface of kinetoplast (4) operating.
5. sealing bearing as claimed in claim 4, which is characterized in that the lubricant is lubricating oil or lubricating grease.
6. a kind of manufacturing method for the sealing bearing as described in any one of claim 1-5, which is characterized in that including Following steps:
S1, blank processing, heat treatment are carried out to Internal and external cycle successively, then respectively to the end flat of inner ring and outer ring, outer circle, interior Hole carries out mill benchmark;
S2, barreling outer ring inner headed face septal fossula and inner ring periphery outer fissure;
S3, assembly inner ring, retainer, rolling element, outer ring are at bearing completed products;
S4, lubricant is injected in bearing;
S5, washer, sealing ring are assembled in bearing both ends of the surface, the interior outer edge of the sealing ring is turned up to retainer direction, close The inside edge of seal and the age of a draught animal of inner ring coordinate, and the age of a draught animal of outer edge and outer ring coordinates;
S6, spring ring or dustproof cover are assembled on the outside of sealing ring.
7. the manufacturing method of sealing bearing as claimed in claim 6, which is characterized in that in the step S4, if lubricant is Lubricating grease then utilizes needle cylinder injection lubricating grease, makes to be stained with lubricating grease on septal fossula, outer fissure and each rolling element;If lubricant is Lubricating oil then uses oil dripping or cycle fuel system.
8. the manufacturing method of sealing bearing as claimed in claims 6 or 7, which is characterized in that before the step S3, to inner ring With outer ring demagnetize and ultrasonic wave cleaning showers process, after the step S3, bearing completed products slightly be washed, fine purifiation makes axis It holds internal and surface impurity to remove, and drying drying process is carried out to bearing completed products.
CN201510435299.8A 2015-07-22 2015-07-22 A kind of sealing bearing and its manufacturing method Active CN105003544B (en)

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Application Number Priority Date Filing Date Title
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CN105003544B true CN105003544B (en) 2018-07-13

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1707923A1 (en) * 2004-01-22 2006-10-04 Nsk Ltd., Magnetic encoder and bearing
CN101294603A (en) * 2007-04-27 2008-10-29 洛阳轴研科技股份有限公司 Porous metlbond adhesive tape laminating holder material for rolling bearing and production method thereof
CN101586618A (en) * 2008-05-19 2009-11-25 瓦房店第一轧机轴承制造有限公司 Outer ring special bearing for positioning and rolling
CN101869897A (en) * 2010-06-22 2010-10-27 无锡市亚联蜂窝机械厂 Bearing cleaning process

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103419100B (en) * 2013-06-21 2015-09-16 杭州人本中型轴承有限公司 A kind of bearing outer ring grinding process
CN103331456A (en) * 2013-06-26 2013-10-02 上海斐赛轴承科技有限公司 Machining method of rolling bearing formed by whole and precise hard turning and molding of sleeve ring
CN203585118U (en) * 2013-12-06 2014-05-07 浙江宁帆轴承有限公司 Shield bearing
CN204852027U (en) * 2015-07-22 2015-12-09 如皋市非标轴承有限公司 Novel sealed bearing

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1707923A1 (en) * 2004-01-22 2006-10-04 Nsk Ltd., Magnetic encoder and bearing
CN101294603A (en) * 2007-04-27 2008-10-29 洛阳轴研科技股份有限公司 Porous metlbond adhesive tape laminating holder material for rolling bearing and production method thereof
CN101586618A (en) * 2008-05-19 2009-11-25 瓦房店第一轧机轴承制造有限公司 Outer ring special bearing for positioning and rolling
CN101869897A (en) * 2010-06-22 2010-10-27 无锡市亚联蜂窝机械厂 Bearing cleaning process

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Address after: No. 599 Zhongshan West Road, Rucheng Street, Rugao City, Nantong City, Jiangsu Province, 226500

Patentee after: Jiangsu Rufei Bearing Technology Co.,Ltd.

Address before: 226000 Group 23, Huliu Village, Banjing Town, Rugao City, Nantong City, Jiangsu Province

Patentee before: RUGAO NONSTANDARD BEARING Co.,Ltd.