CN107401556A - Bearing sealed ring is pressed sizing die and press fitting shaping methods - Google Patents
Bearing sealed ring is pressed sizing die and press fitting shaping methods Download PDFInfo
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- CN107401556A CN107401556A CN201710326971.9A CN201710326971A CN107401556A CN 107401556 A CN107401556 A CN 107401556A CN 201710326971 A CN201710326971 A CN 201710326971A CN 107401556 A CN107401556 A CN 107401556A
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- press
- fitting
- sizing die
- shaping
- mould
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- 238000004513 sizing Methods 0.000 title claims abstract description 58
- 238000007493 shaping process Methods 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000007789 sealing Methods 0.000 claims abstract description 49
- 239000000463 material Substances 0.000 claims abstract description 8
- 241001633942 Dais Species 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000005299 abrasion Methods 0.000 abstract description 3
- 230000001360 synchronised effect Effects 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Classifications
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C43/00—Assembling bearings
- F16C43/04—Assembling rolling-contact bearings
- F16C43/045—Mounting or replacing seals
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
Abstract
The present invention relates to bearing sealed ring technology of pressure mounting field, specifically disclose a kind of bearing sealed ring press fitting sizing die and press fitting shaping methods, increase sizing die on the basis of existing sealing ring press-fitting mould, it is completely forced into by the shaping terminal of sizing die lower end by sealing ring sizing material unnecessary outside external seal groove is routed up in external seal groove, ensure that the sealed bearings outward appearance that press fitting is completed is good, the abrasion of sealing ring can also be reduced simultaneously, extend the service life of sealed bearings；Annular groove is set in the lower surface of press-fitting mould, press fitting positioning is carried out by the bottom land of annular groove and the end contact of bearing inner race, sealing ring can be fitted in below bearing face by the lower surface of press-fitting mould, it is easier to which sealing ring is press-fit into place；By the way that together with press-fitting mould Integrated design, once press fitting can complete the press fitting and shaping of sealing ring by sizing die, compared with prior art, on the premise of not influenceing to be pressed efficiency, the press fitting quality of sealing ring is improved.
Description
Technical field
The present invention relates to bearing sealed ring technology of pressure mounting field, and in particular to a kind of bearing sealed ring press fitting sizing die and pressure
Fill shaping methods.
Background technology
Fig. 1 show a kind of structural representation of sealed bearings, and the sealed bearings include inner ring 1 and the outer ring being mutually matched
2, the wherein outer wall of inner ring 1 is provided with interior sealing groove 3, and the inwall of outer ring 2 is provided with external seal groove 4, interior sealing groove 3 and external seal
Sealing ring 5 is provided between groove 4, the sealing ring 5 is provided with the inner lip 6 coordinated with interior sealing groove 3 and coordinated with external seal groove 4 outer
Lip 7.Sealed bearings are usually that rubber seal press-in bearing seal groove is sealed into Bearing inner lubricating grease, sealing ring press-in
After bearing seal groove, the outer lip 7 of sealing ring 5（External diameter）It is fitted close with external seal groove 4, there must not be relative motion to move；Sealing
The inner lip 6 of circle 5（Internal diameter）With interior sealing groove 3 compared with loose fit, there can be relative motion.
Because sealing ring 5 is rubber parts, the seal groove plus bearing is turnery processing, the surface roughness of seal groove compared with
Height, size and dimension also not necessarily comply fully with pattern regulation, so after the external seal groove of sealing ring outer lip press-in bearing,
Sealing ring outer lip is difficult ideally to coordinate with external seal groove.Can be seamed between the outer lip and external seal groove of one side sealing ring
Gap, coordinated pine, sealing ring easily slides in outer seal groove, influences bearing service life；Another aspect sealing ring with it is outer close
Sealing groove coordinates tension, and redundant rubber stock is easily routed up outside seal groove, influences outward appearance.
Fig. 2 is shown is used for the structural representation for being pressed the press-fitting mould of sealing ring in the prior art, and Fig. 3 show Fig. 2 institutes
Show the close-up schematic view in A portions.Wherein press-fitting mould includes die holder 10, the press-fitting mould 20 being fixedly connected with die holder 10 and run through
Be provided with the cavity 11 for being used for accommodating feeding bar 30 in the feeding bar 30 in the axle center of press-fitting mould 20, wherein die holder 10, feeding bar 30 it is upper
Press fitting spring 40 is provided between end and the upper end of cavity 11, the lower end of feeding bar 30 is provided with locating core 31.
The step of press-fitting mould press fitting sealing ring of said structure, includes：
（1）Feeding, sealing ring is picked up by feeding bar；
（2）Positioning, the inner ring that press-fitting mould comes downwards to locating core into bearing position；
（3）Press fitting, die holder are continued traveling downwardly with press-fitting mould, and feeding bar remains stationary as, and press fitting spring is gradually compressed, until Fig. 3 institutes
The state shown, now, the lower surface of press-fitting mould are concordant with the end face of bearing, are pressed the sealed bearings of completion as shown in figure 4, outer lip
Mouth 7 is not routed up outside external seal groove completely into external seal groove 4, unnecessary sizing material, not only influences the attractive in appearance of sealed bearings,
And the service life of sealed bearings can be influenceed.
The content of the invention
The technical problem to be solved in the present invention be solve the press fitting of sealed bearings press-fitting mould in the prior art sealing ring it is easy
Sizing material unnecessary on sealing ring is caused to be routed up outside external seal groove, so as to influence the aesthetics of sealed bearings and service life
Technological deficiency.
In order to solve the above-mentioned technical problem, technical scheme provided by the invention is as follows：A kind of bearing sealed ring is pressed shaping
Mould, comprise at least：
Die holder, the die holder are interior interior provided with axial along die holder provided with press fitting spring cavity and shaping spring cavity, the press fitting spring cavity
The press fitting spring of compression, the shaping spring cavity is interior to be provided with the shaping spring being compressed axially along die holder；
Feeding bar, with pressing spring-loaded lower end to be connected, the lower end of the feeding bar is provided with locating core for the upper end of the feeding bar；
Press-fitting mould, the press-fitting mould is sheathed on feeding bar and feeding bar being in axial sliding connection with respect to press-fitting mould, the press fitting
The upper end of mould is connected with the lower end of shaping spring；
Sizing die, the sizing die is sheathed on press-fitting mould and press-fitting mould being in axial sliding connection with respect to sizing die, the shaping
The upper end of mould is fixedly connected with die holder, and the lower surface of the sizing die is provided with the shaping terminal of ring-type around press-fitting mould, described whole
Shaping gap is provided between shape terminal and press-fitting mould.
Preferably, the lower surface of the press-fitting mould is provided around the annular groove of feeding bar close to the position of feeding bar.
Preferably, the cross-sectional area of the press fitting spring cavity is less than the cross-sectional area of shaping spring cavity, the pressure
The position that shock mount chamber connects with shaping spring cavity forms step.
Preferably, the upper end of the feeding bar is provided with limited ring dais.
Preferably, the upper end of the press-fitting mould is provided with positive stop lug boss.
A kind of press fitting shaping methods of above-mentioned bearing sealed ring press fitting sizing die, comprise the following steps：
（1）Feeding, sealing ring is picked up by feeding bar；
（2）Positioning, the inner ring that press fitting sizing die comes downwards to locating core into the bearing of feeding bar position, and now locating core is located at axle
In the inner ring held, the upper surface of the lower surface of feeding bar with bearing inner race in the presence of spring is pressed is adjacent to；
（3）Press fitting, press fitting sizing die are continued traveling downwardly, and feeding bar remains stationary as, and press fitting spring is gradually compressed, until press-fitting mould
Sealing ring is pressed into by lower surface, now, the lower surface of press-fitting mould between bearing inner race and outer ring and press-fitting mould lower end
Face is less than the end face of bearing, and the bottom land of annular groove contacts positioning with the upper surface of bearing inner race；
（4）Shaping, press fitting sizing die are continued traveling downwardly, and feeding bar and press-fitting mould are remained stationary as, and shaping spring is gradually compressed, until
The lower surface of sizing die is contacted with the upper surface of bearing outer ring, and now the unnecessary sizing material of sealing ring is completely forced into outer by shaping terminal
In seal groove；
（5）Return, after the completion of press fitting, press fitting sizing die is retracted.
The bearing sealed ring press fitting sizing die and press fitting shaping methods of the present invention, compared with prior art, has following skill
Art advantage：
（1）Increase sizing die on the basis of existing sealing ring press-fitting mould, will be routed up by the shaping terminal of sizing die lower end outer
Unnecessary sealing ring sizing material is completely forced into external seal groove outside seal groove, ensures that the sealed bearings outward appearance that press fitting is completed is good, together
When can also reduce the abrasion of sealing ring, extend the service life of sealed bearings；
（2）Annular groove is set in the lower surface of press-fitting mould, by the bottom land of annular groove and the end contact of bearing inner race be pressed and determines
Sealing ring can be fitted in below bearing face by position, the lower surface of synchronous press mounting mould, it is easier to which sealing ring is press-fit into place；
（3）For sizing die together with press-fitting mould Integrated design, once press fitting can complete the press fitting and shaping of sealing ring, and existing
Technology is compared, and on the premise of not influenceing to be pressed efficiency, improves the press fitting quality of sealing ring.
Brief description of the drawings
Fig. 1 is the structural representation of sealed bearings；
Fig. 2 is the structural representation for being used to be pressed the press-fitting mould of sealing ring in the prior art；
Fig. 3 is the close-up schematic view in A portions shown in Fig. 2；
Fig. 4 is the structural representation of the sealed bearings after the completion of the press fitting of press-fitting mould shown in Fig. 2；
Fig. 5 is the structural representation that the present embodiment bearing sealed ring is pressed sizing die；
Fig. 6 is that the present embodiment bearing sealed ring is pressed sizing die press fitting original state schematic diagram；
Fig. 7 is the press fitting view that the present embodiment bearing sealed ring is pressed sizing die；
Fig. 8 is the shaping view that the present embodiment bearing sealed ring is pressed sizing die.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in figure 5, the present embodiment a kind of bearing sealed ring press fitting sizing die, including at least die holder 10, press-fitting mould 20,
Feeding bar 30 and sizing die 60.Press fitting spring cavity 11 and shaping spring cavity 12 are wherein provided with die holder 10, preferably, press fitting bullet
The cross-sectional area of spring chamber 11 is less than the cross-sectional area of shaping spring cavity 12, the press fitting spring cavity 11 and shaping spring cavity 12
The position of connection forms step.In the present embodiment, the press fitting spring 40 being compressed axially along die holder, institute are provided with press fitting spring cavity 11
State the shaping spring 50 for being provided with shaping spring cavity 12 and being compressed axially along die holder.
Preferably, the upper end of the feeding bar 30 of the present embodiment is connected with being pressed the lower end of spring 40, the feeding bar 30
Lower end is provided with locating core 31, and upper end is provided with limited ring dais 32.
Preferably, the press-fitting mould 20 of the present embodiment be sheathed on feeding bar 30 and feeding bar 30 with respect to press-fitting mould 20 axle
To being slidably connected, the upper end of the press-fitting mould 30 is connected with the lower end of shaping spring 50, and the upper end of press-fitting mould 20 is provided with positive stop lug boss
22.Wherein the upper end of press-fitting mould 30 is positioned with feeding bar 30 by limited ring dais 32.As the improvement of the present embodiment, press-fitting mould 20
Lower surface is provided around the annular groove 21 of feeding bar 30 close to the position of feeding bar 30.The purpose for setting the annular groove is, passes through ring
The bottom land of groove and the end contact of bearing inner race carry out press fitting positioning, and sealing ring can be fitted in by the lower surface of synchronous press mounting mould
Below bearing face, it is easier to which sealing ring is press-fit into place.
The improvement maximum as the present embodiment, wherein sizing die 60 are sheathed on press-fitting mould 20 and press-fitting mould 20 is with respect to shaping
Mould 60 is in axial sliding connection.Wherein the upper end of sizing die 60 is fixedly connected with die holder 10, the lower end face ring of the sizing die 60
The shaping terminal 61 of ring-type is provided with around press-fitting mould 20, shaping gap 62 is provided between the shaping terminal 61 and press-fitting mould 20.This is whole
Shape terminal is completely forced into sealing ring sizing material unnecessary outside external seal groove is routed up in external seal groove, and ensures the seal shaft that press fitting is completed
Hold that outward appearance is good, while the abrasion of sealing ring can also be reduced, extend the service life of sealed bearings.
The press fitting shaping methods of the bearing sealed ring press fitting sizing die of the present embodiment, comprise the following steps：
（1）Feeding, sealing ring is picked up by feeding bar；
（2）Positioning, as shown in fig. 6, the inner ring that press fitting sizing die comes downwards to locating core into the bearing of feeding bar positions, it is now fixed
Position core is located in the inner ring of bearing, and the upper surface of the lower surface of feeding bar with bearing inner race in the presence of spring is pressed is adjacent to；
（3）Press fitting, as shown in fig. 7, press fitting sizing die continues traveling downwardly, feeding bar is remained stationary as, and press fitting spring is gradually compressed, directly
Sealing ring is pressed into the lower surface of press-fitting mould, now, the lower surface of press-fitting mould between bearing inner race and outer ring and is pressed
Die-filling lower surface is less than the end face of bearing, and the bottom land of annular groove contacts positioning with the upper surface of bearing inner race；
（4）Shaping, as shown in figure 8, press fitting sizing die continues traveling downwardly, feeding bar and press-fitting mould remain stationary as, and shaping spring is gradual
Compressed, until the lower surface of sizing die contacts with the upper surface of bearing outer ring, now shaping terminal is by the unnecessary glue of sealing ring
Material is completely forced into external seal groove；
（5）Return, after the completion of press fitting, press fitting sizing die is retracted.
In a word, the foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in the present invention
Spirit and principle within all any modification, equivalent and improvement made etc., should be included in protection scope of the present invention it
It is interior.
Claims (6)
1. a kind of bearing sealed ring is pressed sizing die, it is characterised in that comprises at least：
Die holder, the die holder are interior interior provided with axial along die holder provided with press fitting spring cavity and shaping spring cavity, the press fitting spring cavity
The press fitting spring of compression, the shaping spring cavity is interior to be provided with the shaping spring being compressed axially along die holder；
Feeding bar, with pressing spring-loaded lower end to be connected, the lower end of the feeding bar is provided with locating core for the upper end of the feeding bar；
Press-fitting mould, the press-fitting mould is sheathed on feeding bar and feeding bar being in axial sliding connection with respect to press-fitting mould, the press fitting
The upper end of mould is connected with the lower end of shaping spring；
Sizing die, the sizing die is sheathed on press-fitting mould and press-fitting mould being in axial sliding connection with respect to sizing die, the shaping
The upper end of mould is fixedly connected with die holder, and the lower surface of the sizing die is provided with the shaping terminal of ring-type around press-fitting mould, described whole
Shaping gap is provided between shape terminal and press-fitting mould.
2. it is pressed sizing die according to the bearing sealed ring described in claim 1, it is characterised in that the lower surface of the press-fitting mould is leaned on
The position of nearly feeding bar is provided around the annular groove of feeding bar.
3. it is pressed sizing die according to the bearing sealed ring described in claim 1 or 2, it is characterised in that the press fitting spring cavity
Cross-sectional area is less than the cross-sectional area of shaping spring cavity, and the press fitting spring cavity is formed with the position that shaping spring cavity connects
Step.
4. it is pressed sizing die according to the bearing sealed ring described in claim 3, it is characterised in that the upper end of the feeding bar is provided with
Limited ring dais.
5. it is pressed sizing die according to the bearing sealed ring described in claim 3, it is characterised in that the upper end of the press-fitting mould is provided with
Positive stop lug boss.
6. the press fitting shaping methods of bearing sealed ring press fitting sizing die described in a kind of claim 2, it is characterised in that including following
Step：
（1）Feeding, sealing ring is picked up by feeding bar；
（2）Positioning, the inner ring that press fitting sizing die comes downwards to locating core into the bearing of feeding bar position, and now locating core is located at axle
In the inner ring held, the upper surface of the lower surface of feeding bar with bearing inner race in the presence of spring is pressed is adjacent to；
（3）Press fitting, press fitting sizing die are continued traveling downwardly, and feeding bar remains stationary as, and press fitting spring is gradually compressed, until press-fitting mould
Sealing ring is pressed into by lower surface, now, the lower surface of press-fitting mould between bearing inner race and outer ring and press-fitting mould lower end
Face is less than the end face of bearing, and the bottom land of annular groove contacts positioning with the upper surface of bearing inner race；
（4）Shaping, press fitting sizing die are continued traveling downwardly, and feeding bar and press-fitting mould are remained stationary as, and shaping spring is gradually compressed, until
The lower surface of sizing die is contacted with the upper surface of bearing outer ring, and now the unnecessary sizing material of sealing ring is completely forced into outer by shaping terminal
In seal groove；
（5）Return, after the completion of press fitting, press fitting sizing die is retracted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710326971.9A CN107401556A (en) | 2017-05-10 | 2017-05-10 | Bearing sealed ring is pressed sizing die and press fitting shaping methods |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710326971.9A CN107401556A (en) | 2017-05-10 | 2017-05-10 | Bearing sealed ring is pressed sizing die and press fitting shaping methods |
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| CN107401556A true CN107401556A (en) | 2017-11-28 |
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|---|---|---|---|
| CN201710326971.9A Pending CN107401556A (en) | 2017-05-10 | 2017-05-10 | Bearing sealed ring is pressed sizing die and press fitting shaping methods |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109048277A (en) * | 2018-10-18 | 2018-12-21 | 东莞市国森科精密工业有限公司 | A kind of skeleton rotating seal ring tool fixture and its installation method |
| CN109807594A (en) * | 2019-03-26 | 2019-05-28 | 苏州市东吴滚针轴承有限公司 | A kind of needle bearing sealing ring press-fitting mould |
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| JP2006300114A (en) * | 2005-04-18 | 2006-11-02 | Jtekt Corp | Press-fitting state determination method for annular seal member and seal installation device |
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| JP2008207259A (en) * | 2007-02-23 | 2008-09-11 | Nsk Ltd | Shield attaching device, shield attaching method, and rolling bearing with shield attached by the method |
| CN202690784U (en) * | 2012-06-26 | 2013-01-23 | 浙江八环轴承有限公司 | Pressing mold of rolling bearing sealing ring |
| CN203082047U (en) * | 2012-11-07 | 2013-07-24 | 杭州人本中型轴承有限公司 | Convex body positioning type bearing dustproof cover and pressing mold |
| CN104162872A (en) * | 2014-08-06 | 2014-11-26 | 无锡鹰贝精密轴承有限公司 | Rapid sealing ring installing machine |
| CN105351379A (en) * | 2015-12-14 | 2016-02-24 | 上海联合滚动轴承有限公司 | Single-process pressing device for two-way sealing cover of railway bearing |
| CN205237950U (en) * | 2015-12-08 | 2016-05-18 | 山西北方机械制造有限责任公司 | Composite piston's sealing ring shaping device |
| CN205834639U (en) * | 2016-07-14 | 2016-12-28 | 浙江新昌展望机械有限公司 | A kind of bearing sealed ring stamper mould |
| CN205968099U (en) * | 2016-07-31 | 2017-02-22 | 上海吉谊汽车配件有限公司 | Sealing ring automatic assembly machine |
| CN206723290U (en) * | 2017-05-10 | 2017-12-08 | 浙江八环轴承有限公司 | Improve the bearing sealed ring press fitting sizing die of slipping ring, flange |
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2017
- 2017-05-10 CN CN201710326971.9A patent/CN107401556A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08267372A (en) * | 1995-04-03 | 1996-10-15 | Bando Chem Ind Ltd | Cylindrical work press fitting method and device thereof |
| JP2006300114A (en) * | 2005-04-18 | 2006-11-02 | Jtekt Corp | Press-fitting state determination method for annular seal member and seal installation device |
| JP2008207259A (en) * | 2007-02-23 | 2008-09-11 | Nsk Ltd | Shield attaching device, shield attaching method, and rolling bearing with shield attached by the method |
| CN201059320Y (en) * | 2007-06-25 | 2008-05-14 | 李鹏程 | Bearing dust cap integral delivering and pressing apparatus |
| CN202690784U (en) * | 2012-06-26 | 2013-01-23 | 浙江八环轴承有限公司 | Pressing mold of rolling bearing sealing ring |
| CN203082047U (en) * | 2012-11-07 | 2013-07-24 | 杭州人本中型轴承有限公司 | Convex body positioning type bearing dustproof cover and pressing mold |
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| CN205237950U (en) * | 2015-12-08 | 2016-05-18 | 山西北方机械制造有限责任公司 | Composite piston's sealing ring shaping device |
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| CN205834639U (en) * | 2016-07-14 | 2016-12-28 | 浙江新昌展望机械有限公司 | A kind of bearing sealed ring stamper mould |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109048277A (en) * | 2018-10-18 | 2018-12-21 | 东莞市国森科精密工业有限公司 | A kind of skeleton rotating seal ring tool fixture and its installation method |
| CN109807594A (en) * | 2019-03-26 | 2019-05-28 | 苏州市东吴滚针轴承有限公司 | A kind of needle bearing sealing ring press-fitting mould |
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Application publication date: 20171128 |
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