CN208221399U - A kind of press-fitting tool of crossed roller bearing backbone sealing ring - Google Patents
A kind of press-fitting tool of crossed roller bearing backbone sealing ring Download PDFInfo
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- CN208221399U CN208221399U CN201820179731.0U CN201820179731U CN208221399U CN 208221399 U CN208221399 U CN 208221399U CN 201820179731 U CN201820179731 U CN 201820179731U CN 208221399 U CN208221399 U CN 208221399U
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- crossed roller
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- 238000007789 sealing Methods 0.000 title claims abstract description 44
- 230000007704 transition Effects 0.000 claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 206010061842 Entropion Diseases 0.000 description 1
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 1
- 241000469816 Varus Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
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Abstract
The utility model relates to sealing ring press-fitting tool technical fields, specifically a kind of press-fitting tool of crossed roller bearing backbone sealing ring, if it is characterized by comprising positioning sleeve, transition sleeve, moving member, several springs, bolt stem, the bottom surface nesting bearing of positioning sleeve, the bottom of transition sleeve is shelved on the top surface of the inner ring of bearing, and the bottom of moving member is embedded between the positioning sleeve and transition sleeve；Bolted-on is used between moving member and transition sleeve, and is arranged with spring on the bolt between moving member and transition sleeve.The utility model is compared with prior art, structure is simple and novel, economical and practical, debugging with it is easy to use, to operator without particular/special requirement, can be with Seriation Design and manufacture, the sealing ring press fitting of the crossed roller bearing suitable for LHT, LCR, LSS, LCT series etc..
Description
Technical field
The utility model relates to sealing ring press-fitting tool technical field, specifically a kind of crossed roller bearing skeleton is close
The press-fitting tool of seal.
Background technique
As the smart machines such as being rooted in the hearts of the people of intelligence manufacture theory, robot are using increasingly extensive, harmonic speed reducer
It is developed rapidly.The main bearings of special construction and performance there are two types of in harmonic speed reducer, first is that flexible bearing, second is that handing over
Pitch roller bearing.
Crossed roller bearing should bear that various load, precision are high, rigidity is good, it is also necessary to long service life, sealing performance
It is good, therefore use a kind of TC type backbone sealing ring.
The inner ring of the outer ring seal groove of the TC type backbone sealing ring and bearing interference fit, epipharynx and bearing is also interference
Cooperate and magnitude of interference is big.Using conventional sealing coil press mounting method or tooling, it often will appear epipharynx varus, end face out-of-flatness,
Bearing flexibility is bad, phenomena such as clamping stagnation occur or is tight puckery.The press fitting quality of sealing ring influences the entirety of crossed roller bearing
Quality.
The press fitting of crossed roller bearing sealing ring should be reliable, easy, and after the press fitting of sealing ring: sealing ring is axial in place,
Sealing ring and outer ring cooperate secured, not transfer, and the moment of friction of sealing ring epipharynx and inner ring is without obvious fluctuation when bearing rotates.
Summary of the invention
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of structure novel, economical and practical, debugging with
The sealing ring press-fitting tool of crossed roller bearing easy to use, suitable for LHT, LCR, LSS, LCT series etc..
It realizes above-mentioned purpose, designs a kind of press-fitting tool of crossed roller bearing backbone sealing ring, it is characterised in that:
If including positioning sleeve, transition sleeve, moving member, several springs, bolt stem；
The bottom surface of the positioning sleeve is equipped with the positioning embeded groove of the outer ring outer circle for nested bearing, is located at positioning embeded groove
The hole inner wall of the positioning sleeve of top is in up big and down small bellmouth, the internal diameter of diameter≤bearing outer ring of the bottom of bellmouth；
The transition sleeve comprising a cylindrical portion is set as anchor ring or disc at the top of the cylindrical portion, in the anchor ring or
Be uniformly distributed along the circumference several T-shaped holes on disc；The outer diameter of outer diameter >=bearing inner ring of cylindrical portion, internal diameter >=bearing of cylindrical portion
The internal diameter of inner ring；The lower part of the transition sleeve is located in the hole of the positioning sleeve, and its bottom is used to be shelved on the inner ring of bearing
Top surface on；
The moving member sets the dome shape of circular groove using bottom surface, and hd top face circumferentially sets several bolts hole, if bolt stem
Hole and the upper and lower position of several T-shaped holes correspond；The internal diameter of outer diameter=bearing outer ring of dome；Internal diameter=bearing of dome
Inner ring outer diameter；The bottom of the dome is embedded between the positioning sleeve and transition sleeve；
Bolted-on is used between the bolt hole and corresponding T-shaped hole, and is located at the groove top face of the circular groove of moving member
Bolt coat between corresponding T-shaped hole is equipped with spring.
If the outer diameter of the common circumcircle of the bolt stem is less than the internal diameter of the inner ring of bearing.
When the spring is in free height, set between the groove top face of the circular groove of the moving member and the top surface of transition sleeve
There is spacing.
The vertical height of horizontal plane where the top surface of top surface to the outer ring of bearing of the depth > transition sleeve of the circular groove.
It is clearance fit, the gap between the outer circle of the outer ring of the outer diameter and bearing of the positioning embeded groove of the positioning sleeve
For 0.05mm.
Internal diameter-the 0.01mm of diameter=bearing outer ring of the bottom of the bellmouth.
The angle of the bellmouth and axis is 3 °.
Outer diameter+the 0.1mm of outer diameter=bearing inner ring of the cylindrical portion of the transition sleeve.
The spacing of 0.05mm is equipped between the transition sleeve and moving member.
Internal diameter-the 0.2mm of outer diameter=bearing outer ring of the dome of the moving member.
The utility model compared with prior art, structure is simple and novel, economical and practical, debugging with it is easy to use, to operation
Worker with Seriation Design and can manufacture, the crossed roller axis suitable for LHT, LCR, LSS, LCT series etc. without particular/special requirement
The sealing ring press fitting held.
Detailed description of the invention
Fig. 1 is the utility model structural schematic diagram in use.
Specific embodiment
Now in conjunction with attached drawing, the utility model is further described.
Embodiment 1
Referring to Fig. 1, a kind of press-fitting tool of crossed roller bearing backbone sealing ring of the utility model, it is characterised in that:
If including positioning sleeve 1, transition sleeve 2, moving member 3, several springs 4, bolt stem 5；
The bottom surface of the positioning sleeve 1 is equipped with the positioning embeded groove of the outer ring 6-1 outer circle for nested bearing, is located at positioning
The hole inner wall of positioning sleeve 1 above caulking groove is in up big and down small bellmouth, diameter≤bearing outer ring 6-1 of the bottom of bellmouth
Internal diameter；
The transition sleeve 2 a comprising cylindrical portion is set as anchor ring or disc at the top of the cylindrical portion, in the anchor ring
Or several T-shaped hole 2-1 that are uniformly distributed along the circumference on disc；The outer diameter of outer diameter >=bearing inner ring 6-2 of cylindrical portion, the internal diameter of cylindrical portion
The internal diameter of the inner ring 6-2 of >=bearing；The lower part of the transition sleeve 2 is located in the hole of the positioning sleeve 1, and its bottom is for shelving
On the top surface of the inner ring 6-2 of bearing；
The moving member 3 sets the dome shape of circular groove using bottom surface, and hd top face circumferentially sets several bolt hole 3-1, several
The upper and lower position of bolt hole 3-1 and several T-shaped hole 2-1 corresponds；The internal diameter of outer diameter=bearing outer ring 6-1 of dome；Circle
The outer diameter of internal diameter=bearing inner ring 6-2 of lid；The bottom of the dome is embedded between the positioning sleeve 1 and transition sleeve 2；
It is bolted between the bolt hole 3-1 and corresponding T-shaped hole 2-1 using bolt 5, and is located at the circular groove of moving member 3
Groove top face and corresponding T-shaped hole 2-1 between bolt 5 outside be arranged with spring 4.
Operating process is as follows:
1. bearing is placed in hydraulic press operating platform face；
2. positioning sleeve 1 is assemblied on bearing；
3. sealing ring 7 is sleeved on the mistake positioned at 3 lower section of moving member by the caoutchouc elasticity of the epipharynx using sealing ring 7 by hand
It crosses on the outer wall of set 2；
4. being put into the hole of positioning sleeve 1 together with the transition sleeve 2 and moving member part 3 of sealing ring 7；
5. bearing and this tooling push-in hydraulic press are pressed region；
6. hydraulic press works, moving member 3 is pushed sealing ring 7 to be pressed into the seal groove of bearing down by axis downward pressure,
Pressure maintaining several seconds；
7. hydraulic press works, lower pressure is removed, moving member 3 resets under the action of spring 4；
8. removing moving member 3 and transition sleeve 2, positioning sleeve 1 is removed；
9. taking out bearing, check that sealing ring is pressed quality.
In the utility model, the quantity of spring 4 and bolt 5 changes, 80 or more bearing outside diameter φ with bearing size size,
Spring and bolt quantity are respectively 4, and equal part is distributed on circumference.Hereinafter, spring and bolt quantity are 1, position exists bearing outside diameter φ 80
On axial line.
Sealing ring matching requirements and the performance requirement of crossed roller bearing are able to satisfy after sealing ring press fitting using this tooling；
Debugging with it is easy to use, especially suitable for the press fitting of small lot bearing sealed ring, 3 major parts can also carry out mitigation weight
Optimization design, light operation.
Further, if the outer diameter of the common circumcircle of the bolt stem 5 is less than the internal diameter of the inner ring 6-2 of bearing, make
There are enough displacement spaces in the bottom end of bolt 5 when moving member stress pushes.
Further, when the spring 4 is in free height, the groove top face of the circular groove of the moving member 3 and transition sleeve 2
Top surface between be equipped with spacing, make to can guarantee enough pushing distances when installing sealing ring.
Further, horizontal plane where the top surface of the depth > transition sleeve 2 of the circular groove to the top surface of the outer ring 6-1 of bearing
Vertical height, guarantee make installation sealing ring upper surface lower than bearing outer ring top surface.
Further, match between the outer circle of the outer ring 6-1 of the outer diameter and bearing of the positioning embeded groove of the positioning sleeve 1 for gap
It closes, the gap is 0.05mm, to guarantee that sealing ring is packed into the installation accuracy of the seal groove of bearing.
Further, the internal diameter -0.01mm of diameter=bearing outer ring 6-1 of the bottom of the bellmouth guarantees sealing
Circle more smoothly enters in the seal groove of bearing, makes to reduce certain friction between the outer lip of sealing ring and seal groove.
Further, the angle of the bellmouth and axis is 3 °.
Further, the outer diameter+0.1mm of outer diameter=bearing inner ring 6-2 of the cylindrical portion of the transition sleeve 2, makes to seal
Certain friction is reduced between the epipharynx of circle and the seal groove of bearing, prevents interior lip entropion.
Further, it is equipped with the spacing of 0.05mm between the transition sleeve 2 and moving member 3, that is, guarantees opposite between each other
Displacement, and guarantee the installation accuracy between sealing ring 7 and bearing.
Further, the internal diameter -0.2mm of outer diameter=bearing outer ring of the dome of the moving member 3, conveniently makes moving member
3 press in the seal groove of bearing, under the top surface for guaranteeing the outer ring for making the upper surface of sealing ring 7 be located at bearing.
Claims (10)
1. a kind of press-fitting tool of crossed roller bearing backbone sealing ring, it is characterised in that:
Including positioning sleeve (1), transition sleeve (2), moving member (3), several springs (4) if, bolt stem (5)；
The bottom surface of the positioning sleeve (1) is equipped with the positioning embeded groove of outer ring (6-1) outer circle for nested bearing, is located at positioning
The hole inner wall of positioning sleeve (1) above caulking groove is in up big and down small bellmouth, diameter≤bearing outer ring of the bottom of bellmouth
The internal diameter of (6-1)；
The transition sleeve (2) comprising a cylindrical portion is set as anchor ring or disc at the top of the cylindrical portion, in the anchor ring or
Several T-shaped holes that are uniformly distributed along the circumference on disc (2-1)；The outer diameter of outer diameter >=bearing inner ring (6-2) of cylindrical portion, cylindrical portion it is interior
The internal diameter of diameter >=bearing inner ring (6-2)；The lower part of the transition sleeve (2) is located in the hole of the positioning sleeve (1), and its bottom
For being shelved on the top surface of the inner ring (6-2) of bearing；
The moving member (3) sets the dome shape of circular groove using bottom surface, and hd top face is circumferentially set several bolts hole (3-1), several
The upper and lower position of bolt hole (3-1) and several T-shaped holes (2-1) correspond；Outer diameter≤bearing outer ring (6-1) of dome it is interior
Diameter；The outer diameter of internal diameter >=bearing inner ring (6-2) of dome；The bottom of the dome is embedded in the positioning sleeve (1) and mistake
It crosses between set (2)；
It is bolted between the bolt hole (3-1) and corresponding T-shaped hole (2-1) using bolt (5), and is located at moving member (3)
Spring (4) are arranged with outside bolt (5) between the groove top face of circular groove and corresponding T-shaped hole (2-1).
2. a kind of press-fitting tool of crossed roller bearing backbone sealing ring as described in claim 1, it is characterised in that: if described
The outer diameter of the common circumcircle of bolt stem (5) is less than the internal diameter of the inner ring (6-2) of bearing.
3. a kind of press-fitting tool of crossed roller bearing backbone sealing ring as described in claim 1, it is characterised in that: when described
When spring (4) is in free height, between being equipped between the groove top face of the circular groove of the moving member (3) and the top surface of transition sleeve (2)
Away from.
4. a kind of press-fitting tool of crossed roller bearing backbone sealing ring as described in claim 1, it is characterised in that: the circle
The vertical height of horizontal plane where the top surface of the top surface of the depth > transition sleeve (2) of slot to the outer ring (6-1) of bearing.
5. a kind of press-fitting tool of crossed roller bearing backbone sealing ring as described in claim 1, it is characterised in that: described fixed
It is clearance fit between the outer circle of the outer ring (6-1) of the outer diameter and bearing of the positioning embeded groove of position set (1), the gap is
0.05mm。
6. a kind of press-fitting tool of crossed roller bearing backbone sealing ring as described in claim 1, it is characterised in that: the cone
Internal diameter-the 0.01mm of diameter=bearing outer ring (6-1) of the bottom in shape hole.
7. a kind of press-fitting tool of crossed roller bearing backbone sealing ring as described in claim 1, it is characterised in that: described
The angle of bellmouth and axis is 3 °.
8. a kind of press-fitting tool of crossed roller bearing backbone sealing ring as described in claim 1, it is characterised in that: the mistake
Cross the outer diameter+0.1mm of outer diameter=bearing inner ring (6-2) of the cylindrical portion of set (2).
9. a kind of press-fitting tool of crossed roller bearing backbone sealing ring as described in claim 1, it is characterised in that: the mistake
It crosses between set (2) and moving member (3) and is equipped with the spacing of 0.05mm.
10. a kind of press-fitting tool of crossed roller bearing backbone sealing ring as described in claim 1, it is characterised in that: described
Internal diameter-the 0.2mm of outer diameter=bearing outer ring of the dome of moving member (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820179731.0U CN208221399U (en) | 2018-02-01 | 2018-02-01 | A kind of press-fitting tool of crossed roller bearing backbone sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820179731.0U CN208221399U (en) | 2018-02-01 | 2018-02-01 | A kind of press-fitting tool of crossed roller bearing backbone sealing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208221399U true CN208221399U (en) | 2018-12-11 |
Family
ID=64529872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820179731.0U Active CN208221399U (en) | 2018-02-01 | 2018-02-01 | A kind of press-fitting tool of crossed roller bearing backbone sealing ring |
Country Status (1)
| Country | Link |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109807594A (en) * | 2019-03-26 | 2019-05-28 | 苏州市东吴滚针轴承有限公司 | A needle roller bearing sealing ring press-fitting die |
| CN111623044A (en) * | 2019-09-05 | 2020-09-04 | 嘉兴欧治汽车技术有限公司 | Hub bearing assembly with edge knurling and bearing assembling method |
| CN111692216A (en) * | 2020-06-28 | 2020-09-22 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Support device for preventing roller path from being scratched |
| CN114165523A (en) * | 2021-11-10 | 2022-03-11 | 嘉兴嘉优易轴承科技有限公司 | Automatic and accurate bearing double-seal press-fitting tool and press-fitting method thereof |
| CN119042245A (en) * | 2024-11-04 | 2024-11-29 | 万向钱潮股份公司 | Bearing assembly installation method and system |
-
2018
- 2018-02-01 CN CN201820179731.0U patent/CN208221399U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109807594A (en) * | 2019-03-26 | 2019-05-28 | 苏州市东吴滚针轴承有限公司 | A needle roller bearing sealing ring press-fitting die |
| CN111623044A (en) * | 2019-09-05 | 2020-09-04 | 嘉兴欧治汽车技术有限公司 | Hub bearing assembly with edge knurling and bearing assembling method |
| CN111623044B (en) * | 2019-09-05 | 2021-09-03 | 嘉兴欧治汽车技术有限公司 | Hub bearing assembly with edge knurling and bearing assembling method |
| CN111692216A (en) * | 2020-06-28 | 2020-09-22 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Support device for preventing roller path from being scratched |
| CN114165523A (en) * | 2021-11-10 | 2022-03-11 | 嘉兴嘉优易轴承科技有限公司 | Automatic and accurate bearing double-seal press-fitting tool and press-fitting method thereof |
| CN114165523B (en) * | 2021-11-10 | 2024-04-12 | 嘉兴嘉优易轴承科技有限公司 | Automatic and accurate press-fitting tool for double seals of bearing and press-fitting method thereof |
| CN119042245A (en) * | 2024-11-04 | 2024-11-29 | 万向钱潮股份公司 | Bearing assembly installation method and system |
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