CN109202561B - Rolling bearing inner ring or outer ring grinding device - Google Patents
Rolling bearing inner ring or outer ring grinding device Download PDFInfo
- Publication number
- CN109202561B CN109202561B CN201811082114.XA CN201811082114A CN109202561B CN 109202561 B CN109202561 B CN 109202561B CN 201811082114 A CN201811082114 A CN 201811082114A CN 109202561 B CN109202561 B CN 109202561B
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- China
- Prior art keywords
- wall
- tensioning
- rolling bearing
- tightening shaft
- grinding
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/02—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
- B24B5/04—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces externally
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0092—Grinding attachments for lathes or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/02—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
- B24B5/06—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces internally
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention discloses a grinding device for an inner ring or an outer ring of a rolling bearing, which comprises a tightening shaft, a tensioning hoof, a rotating frame, a grinding roller, an optical shaft and a locking nut, wherein an outer hexagon nut is arranged at the end part of the tightening shaft, a connecting disc is arranged on the side surface of the outer hexagon nut, a plurality of hinged seats are uniformly arranged on the periphery of the connecting disc, external threads are arranged at the front end of the outer wall of the tightening shaft, a key groove is arranged on the outer wall of the tightening shaft, one end of the tensioning hoof is hinged with the hinged seats, the rotating frame is hinged with the front end of the tensioning hoof, the grinding roller is rotatably connected with the rotating frame, a round table is arranged at the end part of the optical shaft, through holes are arranged in the optical shaft and the round table in a penetrating manner, inclined grooves are uniformly arranged on the outer wall of the round table, the cylindricity of the inner wall and the coaxiality between the inner wall and the outer wall cannot be reduced after grinding, and the processing precision of the rolling bearing is ensured.
Description
Technical Field
The invention belongs to the technical field of rolling bearing processing equipment, and particularly relates to a device for grinding an inner ring or an outer ring of a rolling bearing.
Background
During the operation of the rolling bearing, faults and damages can occur, and if effective measures are taken in advance, many damages can be prevented. However, even if the lubrication is good, the installation is correct, there is no invasion of dust, moisture and corrosive media, and the load is moderate, such damage is inevitable because the rolling surfaces of the bearings undergo fatigue spalling under the alternating contact stress for a long period of time.
The rolling bearing is used as a precision rotating part, the requirement on the machining precision of the rolling bearing is high, the machining precision directly influences the assembly precision and the service life of the rolling bearing, after the inner ring or the outer ring of the rolling bearing is turned, the rolling bearing needs to be subjected to fine grinding process treatment to reduce the surface roughness of the rolling bearing and grind the inner wall of the inner ring or the outer ring of the rolling bearing, the traditional mode is that the inner ring or the outer ring of the rolling bearing is clamped on a three-grab chuck, a single grinding head is adopted to be in contact with the inner wall of the inner ring or the outer ring.
Although the polishing of the inner wall of the inner ring or the outer ring can be realized by the polishing mode, after polishing, the cylindricity of the inner wall is reduced, and meanwhile, the coaxiality of the inner wall and the outer wall is reduced, so that the assembly precision is influenced.
Disclosure of Invention
The invention provides a grinding device for an inner ring or an outer ring of a rolling bearing, which realizes tension type grinding of the inner wall of the inner ring or the outer ring of the rolling bearing, and adopts a plurality of grinding rollers, so that the cylindricity of the inner wall and the coaxiality between the inner wall and the outer wall cannot be reduced after grinding, and the processing precision of the rolling bearing is ensured.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a antifriction bearing inner circle or outer lane grinding device, includes tightening shaft, tensioning hoof, swivel mount, grinding roller, optical axis and lock nut, tightening shaft end is equipped with outer hexagon nut, and outer hexagon nut side is equipped with the connection pad, the connection pad evenly is equipped with a plurality of articulated seats all around, tightening shaft outer wall front end is equipped with the external screw thread, is equipped with the keyway on the tightening shaft outer wall, tensioning hoof one end is articulated with articulated seat, the swivel mount is articulated with tensioning hoof front end, the grinding roller rotates with the swivel mount to be connected, the optical axis tip is equipped with the round platform, it is equipped with the through-hole to run through in optical axis and the round platform, evenly be equipped with the chute on the round platform outer wall, tightening shaft passes the through-hole from round platform one side, then.
Preferably, the inner surface of the tension shoe is in contact with a chamfer surface on the circular truncated cone.
Preferably, the width of the front end of the tension shoe is the same as the width of the inclined groove.
The beneficial effect of adopting above technical scheme is: the grinding device for the inner ring or the outer ring of the rolling bearing is characterized in that a common flat key is arranged in a key groove on the outer wall of a tightening shaft, the tightening shaft is inserted into a through hole and is connected with an optical shaft through the common flat key, the inner ring or the outer ring of the rolling bearing is sleeved outside a grinding roller, a lock nut is gradually tightened through a spanner, the tightening shaft pushes a tensioning shoe to move towards the large end of a circular truncated cone along an inclined groove through a connecting disc until the lock nut is not screwed, the tensioning shoe drives the grinding roller to tension with the inner wall of the inner ring or the outer ring of the rolling bearing, then the optical shaft is clamped on a clamping mechanism, the whole device is moved along a lathe guide rail to the end of a three-grab chuck, the tensioned inner ring or the outer ring of the rolling bearing enters the three-grab chuck and is clamped, then a lathe spindle is started, the spindle drives the, parking has realized the tensioning formula grinding of antifriction bearing inner race or outer lane inner wall, and adopts a plurality of grinding rollers, can not reduce the cylindricity of inner wall and the axiality between inner wall and the outer wall after the grinding, has guaranteed antifriction bearing's machining precision.
The internal surface of tensioning hoof contacts with the chute face on the round platform, the width of tensioning hoof front end is the same with the chute width, and anti-rotation cutting force is strong, guarantees the stability of tensioning hoof tensioning.
Drawings
FIG. 1 is a schematic view of the integral assembly structure of the grinding device for the inner ring or the outer ring of the rolling bearing;
FIG. 2 is a schematic view of a tightening shaft structure;
FIG. 3 is a side view of the mounting of the turret and grinding roller;
FIG. 4 is a side view of the circular truncated cone;
wherein:
1. screwing a shaft; 2. tensioning the shoe; 3. a rotating frame; 4. grinding the roller; 5. an optical axis; 6. locking the nut; 10. an outer hexagonal nut; 11. a connecting disc; 11-1, a hinged seat; 12. an external thread; 13. a keyway; 50. a through hole; 51. a circular truncated cone; 51-1 and a chute.
1. A bolt; 2. a platen; 3. a tensioning mechanism; 4. a clamping sleeve; 20. a notch; 30. a sliding sleeve; 31. tensioning the shoe; 40. a circular truncated cone; 41. and (4) a cylinder.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for a purpose of helping those skilled in the art to more fully, accurately and deeply understand the concept and technical solution of the present invention and to facilitate its implementation.
As shown in fig. 1 to 4, the invention relates to a grinding device for an inner ring or an outer ring of a rolling bearing, which realizes tension type grinding of the inner wall of the inner ring or the outer ring of the rolling bearing, and adopts a plurality of grinding rollers, so that the cylindricity of the inner wall and the coaxiality between the inner wall and the outer wall are not reduced after grinding, and the processing precision of the rolling bearing is ensured.
Specifically, as shown in fig. 1 to 4, the grinding device comprises a tightening shaft 1, a tightening shoe 2, a rotating frame 3, a grinding roller 4, an optical axis 5 and a lock nut 6, as shown in fig. 1, 2, 3 and 4, an outer hexagon nut 10 is arranged at an end of the tightening shaft 1, a connecting disc 11 is arranged on a side surface of the outer hexagon nut 10, a plurality of hinge seats 11-1 are uniformly arranged around the connecting disc 11, an external thread 12 is arranged at a front end of an outer wall of the tightening shaft 1, a key groove 13 is arranged on the outer wall of the tightening shaft 1, one end of the tensioning shoe 2 is hinged to the hinge seat 11-1, the rotating frame 3 is hinged to a front end of the tensioning shoe 2, the grinding roller 4 is rotatably connected to the rotating frame 3, a circular table 51 is arranged at an end of the optical axis 5, a through hole 50 is arranged in the optical axis 5 and the circular table 51 in a penetrating manner, a chute 51-1 is uniformly, and then may be locked at the end of the optical axis 5 by a locking nut 6.
As shown in fig. 1, the inner surface of the tension shoe 2 is in surface contact with the inclined groove 51-1 of the circular table 51.
As shown in fig. 1, the width of the front end of the tension shoe 2 is the same as the width of the inclined groove 51-1.
The following specific working modes are illustrated by specific examples:
example 1:
the grinding device for the inner ring or the outer ring of the rolling bearing is characterized in that a common flat key is arranged in a key groove 13 on the outer wall of a tightening shaft 1, then the tightening shaft 1 is inserted into a through hole 50 and is connected with an optical shaft 5 through the common flat key, then the inner ring or the outer ring of the rolling bearing is sleeved outside a grinding roller 4, then a locking nut 6 is gradually screwed through a spanner, so that the tightening shaft 1 pushes a tensioning shoe 2 through a connecting disc 11 to move towards the large end of a circular platform 51 along an inclined groove 51-1 until the locking nut 6 is not screwed, the tensioning shoe 2 drives the grinding roller 4 to be tensioned with the inner wall of the inner ring or the outer ring of the rolling bearing, then the optical shaft 5 is clamped on a clamping mechanism, the whole device is moved towards the end of a three-grip chuck along a lathe guide rail, so that the tensioned inner ring or the outer ring of the rolling bearing enters the three-grip chuck, after the lathe spindle rotates a certain number of turns, the lathe is stopped, the tensioning type grinding of the inner ring of the rolling bearing or the inner wall of the outer ring is realized, a plurality of grinding rollers 4 are adopted, the cylindricity of the inner wall and the coaxiality between the inner wall and the outer wall cannot be reduced after the grinding, and the processing precision of the rolling bearing is ensured.
Example 2:
the inner surface of the tensioning shoe 2 is in surface contact with the inclined groove 51-1 on the circular truncated cone 51, the width of the front end of the tensioning shoe 2 is the same as that of the inclined groove 51-1, the anti-rotation cutting force is strong, and the tensioning stability of the tensioning shoe 2 is guaranteed.
The present invention has been described in connection with the accompanying drawings, and it is to be understood that the invention is not limited to the specific embodiments described above, but is intended to cover various insubstantial modifications of the invention based on the principles and technical solutions of the invention; the present invention is not limited to the above embodiments, and can be modified in various ways.
Claims (1)
1. The utility model provides a antifriction bearing inner race or outer lane grinding device which characterized in that: including tightening shaft (1), tensioning hoof (2), swivel mount (3), grinding roller (4), optical axis (5) and lock nut (6), tightening shaft (1) tip is equipped with outer hexagon nut (10), and outer hexagon nut (10) side is equipped with connection pad (11), connection pad (11) evenly are equipped with a plurality of articulated seats (11-1) all around, tightening shaft (1) outer wall front end is equipped with external screw thread (12), is equipped with keyway (13) on tightening shaft (1) outer wall, tensioning hoof (2) one end is articulated with articulated seat (11-1), swivel mount (3) are articulated with tensioning hoof (2) front end, grinding roller (4) rotate with swivel mount (3) to be connected, optical axis (5) tip is equipped with round platform (51), run through being equipped with through hole (50) in optical axis (5) and the round platform (51), evenly be equipped with chute (51-1) on round platform (51) outer wall, the tightening shaft (1) penetrates through the through hole (50) from one side of the circular truncated cone (51) and then can be locked by the locking nut (6) at the end part of the optical axis (5), the inner surface of the tensioning shoe (2) is in surface contact with the inclined groove (51-1) on the circular truncated cone (51), and the width of the front end of the tensioning shoe (2) is the same as that of the inclined groove (51-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811082114.XA CN109202561B (en) | 2018-09-17 | 2018-09-17 | Rolling bearing inner ring or outer ring grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811082114.XA CN109202561B (en) | 2018-09-17 | 2018-09-17 | Rolling bearing inner ring or outer ring grinding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109202561A CN109202561A (en) | 2019-01-15 |
| CN109202561B true CN109202561B (en) | 2020-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811082114.XA Active CN109202561B (en) | 2018-09-17 | 2018-09-17 | Rolling bearing inner ring or outer ring grinding device |
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| Country | Link |
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| CN (1) | CN109202561B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110497267B (en) * | 2019-08-19 | 2021-02-09 | 温州市瑞基科技有限公司 | Inner hole straight mill chuck mechanism capable of being centrally positioned |
| CN111958329B (en) * | 2020-07-30 | 2022-04-05 | 浙江丰波机电科技有限公司 | Hub unit grinding process applied to high-precision and easy-to-assemble hub unit |
| CN112355724B (en) * | 2020-11-09 | 2021-12-10 | 莆田晟熙贸易有限公司 | Processing method of precise ceramic workpiece |
| CN114871874B (en) * | 2022-07-11 | 2022-09-30 | 江苏顺律机电有限公司 | Fan impeller shaft centre bore subassembly of polishing |
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| FR2421710A1 (en) * | 1977-01-21 | 1979-11-02 | Meccanica Nova Spa | Bore and dia. grinding machine - has slide extension modules fitted to rear part and carriage of machine |
| CN203509799U (en) * | 2013-10-23 | 2014-04-02 | 山东华珠机械有限公司 | Processing unit for internal surface of shaft sleeve |
| CN205520781U (en) * | 2016-03-21 | 2016-08-31 | 宿迁市通用机械有限公司 | A automatic grinding device for cylindrical casing |
| CN108326646A (en) * | 2018-04-26 | 2018-07-27 | 何天行 | A kind of synchronous high-efficiency cleaning shaft inner wall arrangement for grinding |
| CN108500805A (en) * | 2018-03-30 | 2018-09-07 | 宁波海蔓汽车科技有限公司 | A kind of hardware processing unit (plant) |
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| US1871002A (en) * | 1928-09-25 | 1932-08-09 | Farrel Birmingham Co Inc | Roll grinder |
| DE2718731C2 (en) * | 1976-05-17 | 1981-11-12 | Cincinnati Milacron Inc., 45209 Cincinnati, Ohio | External cylindrical grinding machine |
| DE102014203402B3 (en) * | 2014-02-25 | 2015-07-09 | Erwin Junker Maschinenfabrik Gmbh | GRINDING MACHINE AND METHOD FOR GRINDING AXIAL HOLES AND BOTH WORKPIECES APPLICABLE TO WORK ON THE SURFACE |
| CN104209820A (en) * | 2014-08-21 | 2014-12-17 | 镇江市丹徒区甬润工具有限公司 | Automatic chuck grinding machine center |
| CN105643457B (en) * | 2016-03-14 | 2017-11-07 | 镇江市丹徒区精华轴承厂 | A kind of fixture of grinding for bearing outer ring |
| CN105798711B (en) * | 2016-03-21 | 2017-09-12 | 青岛宝佳自动化设备有限公司 | A kind of bearing outer ring mill processing unit (plant) and technique |
| CN206169330U (en) * | 2016-11-16 | 2017-05-17 | 芜湖市畅玖轴承有限公司 | Antifriction bearing outer lane turning clamping device |
| CN206527593U (en) * | 2017-02-22 | 2017-09-29 | 江西玉宝钻石工具有限公司 | A kind of CNC cylindrical grinders |
| CN206689843U (en) * | 2017-02-27 | 2017-12-01 | 苏州德乾辰精工科技有限公司 | A kind of bearing grinding processing unit (plant) |
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2018
- 2018-09-17 CN CN201811082114.XA patent/CN109202561B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2421710A1 (en) * | 1977-01-21 | 1979-11-02 | Meccanica Nova Spa | Bore and dia. grinding machine - has slide extension modules fitted to rear part and carriage of machine |
| CN203509799U (en) * | 2013-10-23 | 2014-04-02 | 山东华珠机械有限公司 | Processing unit for internal surface of shaft sleeve |
| CN205520781U (en) * | 2016-03-21 | 2016-08-31 | 宿迁市通用机械有限公司 | A automatic grinding device for cylindrical casing |
| CN108500805A (en) * | 2018-03-30 | 2018-09-07 | 宁波海蔓汽车科技有限公司 | A kind of hardware processing unit (plant) |
| CN108326646A (en) * | 2018-04-26 | 2018-07-27 | 何天行 | A kind of synchronous high-efficiency cleaning shaft inner wall arrangement for grinding |
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| Publication number | Publication date |
|---|---|
| CN109202561A (en) | 2019-01-15 |
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