CN212225788U - Concave conical surface roller slewing bearing - Google Patents
Concave conical surface roller slewing bearing Download PDFInfo
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- CN212225788U CN212225788U CN202020858332.4U CN202020858332U CN212225788U CN 212225788 U CN212225788 U CN 212225788U CN 202020858332 U CN202020858332 U CN 202020858332U CN 212225788 U CN212225788 U CN 212225788U
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- roller
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 10
- 238000012856 packing Methods 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 4
- 229910010271 silicon carbide Inorganic materials 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
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Abstract
The utility model relates to a concave conical surface roller slewing bearing, it includes outer lane, inner circle and concave conical surface roller, concave conical surface roller is that a week design of cylindric roller has the annular groove, the recess profile of annular groove is V type form, the design of outer lane inboard has first annular arch, the design of inner circle outside has the second annular arch, the protruding profile of first annular arch and second annular arch is V type form, concave conical surface roller is located between outer lane and the inner circle and first annular arch and second annular arch are located the annular groove; and a through hole is designed on the outer peripheral surface of the outer ring or the inner peripheral surface of the inner ring, and a ball filling plug is arranged in the through hole. The bearing has the advantages of simple design, convenient use, capability of simultaneously bearing larger radial force and axial force and perfect process.
Description
Technical Field
The utility model relates to a bearing processing field, concretely relates to concave conical surface roller slewing bearing.
Background
The Bearing (Bearing) is an important part in the modern mechanical equipment. Its main function is to support the mechanical rotator, reduce the friction coefficient (friction coefficient) in its motion process, and guarantee its gyration precision (accuracy). At present, the bearing has more types, is suitable for different occasions, and needs a bearing capable of simultaneously bearing larger radial force and axial force.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a concave conical surface roller slewing bearing, the design is simple, and convenient to use can bear the bearing of great radial force and axial force simultaneously, and technology is perfect.
The technical scheme of the utility model:
a concave conical surface roller slewing bearing comprises an outer ring, an inner ring and a concave conical surface roller, wherein the concave conical surface roller is a cylindrical roller, an annular groove is designed in the periphery of the cylindrical roller, the section of the annular groove is V-shaped, a first annular bulge is designed in the inner side of the outer ring, a second annular bulge is designed in the outer side of the inner ring, the sections of the first annular bulge and the second annular bulge are V-shaped, the concave conical surface roller is positioned between the outer ring and the inner ring, and the first annular bulge and the second annular bulge are positioned in the annular groove; and a through hole is designed on the outer peripheral surface of the outer ring or the inner peripheral surface of the inner ring, and a ball filling plug is arranged in the through hole.
The groove angle of the annular groove ranges from 90 degrees to 180 degrees.
The through hole is provided with a first axial through hole, the ball filling plug is also provided with a second axial through hole, and the positioning pin penetrates through the first axial through hole and the second axial through hole to enable the ball filling plug to be fixed with the outer ring or the inner ring.
A production process of a concave conical surface roller slewing bearing is characterized in that according to the production process of the concave conical surface roller slewing bearing, the production process comprises the following steps:
1) firstly, forming a blank of an outer ring, deburring or girdle band, soft-grinding an outer circular surface, soft-grinding double end surfaces, soft-grinding a raceway surface, performing hot processing, roughly grinding the raceway surface, finely grinding the raceway surface, finally grinding the raceway surface, and superfinishing the raceway surface.
2) Forming a blank of the inner ring, deburring or ring belt, soft-grinding the outer circular surface, soft-grinding the double end surfaces, soft-grinding the raceway surface, performing hot processing, roughly grinding the raceway surface, finely grinding the raceway surface, finally grinding the raceway surface and superfinishing the raceway surface.
3) The method comprises the following steps of roller blank forming, deburring or ring belt forming, soft grinding of an outer circular surface, soft grinding of double end surfaces, soft grinding of a raceway surface, hot machining, rough grinding of the raceway surface, fine grinding of the raceway surface, final grinding of the raceway surface and ultra-precision of the raceway surface.
4) In the steps 1 and 2, the raceway surface is processed by a carborundum wheel, the carborundum wheel is manufactured in a copying manner, a circle of the carborundum wheel is designed into an annular V-shaped groove shape, and the inner raceway surface of the outer ring and the outer raceway surface of the inner ring are ground; the angle of the annular V-shaped groove is 90-180 degrees.
5) Processing the raceway surface of the roller by using a carborundum wheel, profiling the carborundum wheel, designing a circle into an annular V-shaped convex shape, and grinding the inner raceway surface of the outer ring and the outer raceway surface of the inner ring; the angle of the annular V-shaped groove is 90-180 degrees.
6) Processing a through hole in the radial direction of the processed outer ring or inner ring, processing an axial through hole in the axial direction at the position of the through hole, and processing a ball filling plug; when the ball filling plug is arranged on the outer ring, the outer end face of the ball filling plug is matched with the outer peripheral face of the outer ring, and the inner side of the ball filling plug is designed into a structure matched with the shape of the raceway of the outer ring; when the ball filling plug is arranged on the inner ring, the outer end surface of the ball filling plug is matched with the inner circumferential surface of the inner ring, and the inner side of the ball filling plug is designed into a structure matched with the shape of the raceway of the outer ring.
7) During filling, the ball filling plug is opened, the concave conical surface rollers are sequentially filled in the through hole of the outer ring or the inner ring, after the ball filling plug is filled in the through hole, and the ball filling plug is kept and fixed in the through hole by the positioning pin.
The utility model has the advantages that the design is simple, and convenient to use can bear the bearing of great radial force and axial force simultaneously, and technology is perfect.
Drawings
Fig. 1 is a first schematic diagram of the present invention.
Fig. 2 is a second schematic diagram of the present invention.
Fig. 3 is a perspective view of fig. 2.
Fig. 4 is a perspective view of fig. 1.
Detailed Description
Referring to the attached drawings 1-4, a concave conical roller slewing bearing comprises an outer ring 1, an inner ring 2 and a concave conical roller 3, wherein the concave conical roller 3 is a cylindrical roller, an annular groove 4 is designed on the periphery of the cylindrical roller, the groove section of the annular groove 4 is in a V shape, a first annular bulge is designed on the inner side of the outer ring 1, a second annular bulge is designed on the outer side of the inner ring 2, the bulges of the first annular bulge and the second annular bulge are in a V shape, the concave conical roller 3 is positioned between the outer ring 1 and the inner ring 2, and the first annular bulge and the second annular bulge are positioned in the annular groove 4; and a through hole is designed on the outer peripheral surface of the outer ring 1 or the inner peripheral surface of the inner ring 2, and a ball filling plug 7 is arranged in the through hole.
The groove angle of the annular groove 4 is 90-180 degrees.
The through hole is provided with a first axial through hole, the ball filling plug 7 is also provided with a second axial through hole, and the positioning pin 8 penetrates through the first axial through hole and the second axial through hole to enable the ball filling plug 7 to be fixed with the outer ring 1 or the inner ring 2.
A production process of a concave conical surface roller slewing bearing is characterized in that according to the production process of the concave conical surface roller slewing bearing, the production process comprises the following steps:
1) firstly, forming a blank of an outer ring, deburring or girdle band, soft-grinding an outer circular surface, soft-grinding double end surfaces, soft-grinding a raceway surface, performing hot processing, roughly grinding the raceway surface, finely grinding the raceway surface, finally grinding the raceway surface, and superfinishing the raceway surface.
2) Forming a blank of the inner ring, deburring or ring belt, soft-grinding the outer circular surface, soft-grinding the double end surfaces, soft-grinding the raceway surface, performing hot processing, roughly grinding the raceway surface, finely grinding the raceway surface, finally grinding the raceway surface and superfinishing the raceway surface.
3) The method comprises the following steps of roller blank forming, deburring or ring belt forming, soft grinding of an outer circular surface, soft grinding of double end surfaces, soft grinding of a raceway surface, hot machining, rough grinding of the raceway surface, fine grinding of the raceway surface, final grinding of the raceway surface and ultra-precision of the raceway surface.
4) In the steps 1 and 2, the raceway surface is processed by a carborundum wheel, the carborundum wheel is manufactured in a copying manner, a circle of the carborundum wheel is designed into an annular V-shaped groove shape, and the inner raceway surface of the outer ring and the outer raceway surface of the inner ring are ground; the angle of the annular V-shaped groove is 90-180 degrees.
5) Processing the raceway surface of the roller by using a carborundum wheel, profiling the carborundum wheel, designing a circle into an annular V-shaped convex shape, and grinding the inner raceway surface of the outer ring and the outer raceway surface of the inner ring; the angle of the annular V-shaped groove is 90-180 degrees.
6) Processing a through hole in the radial direction of the processed outer ring or inner ring, processing an axial through hole in the axial direction at the position of the through hole, and processing a ball filling plug; when the ball filling plug is arranged on the outer ring, the outer end face of the ball filling plug is matched with the outer peripheral face of the outer ring, and the inner side of the ball filling plug is designed into a structure matched with the shape of the raceway of the outer ring; when the ball filling plug is arranged on the inner ring, the outer end surface of the ball filling plug is matched with the inner circumferential surface of the inner ring, and the inner side of the ball filling plug is designed into a structure matched with the shape of the raceway of the outer ring.
7) During filling, the ball filling plug is opened, the concave conical surface rollers are sequentially filled in the through hole of the outer ring or the inner ring, after the ball filling plug is filled in the through hole, and the ball filling plug is kept and fixed in the through hole by the positioning pin.
The utility model relates to a concave tapered roller bearing structure is ingenious, simple to operate, can bear the bearing of great radial force and axial force simultaneously, adopts buddha's warrior attendant wheel contour machining raceway surface and roller, and the technology is perfect.
Claims (3)
1. A concave conical surface roller slewing bearing is characterized by comprising an outer ring, an inner ring and a concave conical surface roller, wherein the concave conical surface roller is a cylindrical roller, an annular groove is designed in one circle of the concave conical surface roller, the groove section of the annular groove is V-shaped, a first annular bulge is designed in the inner side of the outer ring, a second annular bulge is designed in the outer side of the inner ring, the bulges of the first annular bulge and the second annular bulge are V-shaped in section, the concave conical surface roller is positioned between the outer ring and the inner ring, and the first annular bulge and the second annular bulge are positioned in the annular groove; and a through hole is designed on the outer peripheral surface of the outer ring or the inner peripheral surface of the inner ring, and a ball filling plug is arranged in the through hole.
2. The tapered roller slew bearing of claim 1 where the groove angle of the annular groove ranges from 90 to 180 degrees.
3. The concave tapered roller slewing bearing of claim 1, wherein the through hole is designed with a first axial through hole, the ball-packing plug is also designed with a second axial through hole, and the positioning pin passes through the first axial through hole and the second axial through hole to keep the ball-packing plug fixed with the outer ring or the inner ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020858332.4U CN212225788U (en) | 2020-05-21 | 2020-05-21 | Concave conical surface roller slewing bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020858332.4U CN212225788U (en) | 2020-05-21 | 2020-05-21 | Concave conical surface roller slewing bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212225788U true CN212225788U (en) | 2020-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020858332.4U Active CN212225788U (en) | 2020-05-21 | 2020-05-21 | Concave conical surface roller slewing bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212225788U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111457005A (en) * | 2020-05-21 | 2020-07-28 | 江苏万达特种轴承有限公司 | Concave conical surface roller slewing bearing and production process thereof |
| CN113494519A (en) * | 2021-07-28 | 2021-10-12 | 江苏万达特种轴承有限公司 | Square steering bearing for AGV trundles and machining method thereof |
-
2020
- 2020-05-21 CN CN202020858332.4U patent/CN212225788U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111457005A (en) * | 2020-05-21 | 2020-07-28 | 江苏万达特种轴承有限公司 | Concave conical surface roller slewing bearing and production process thereof |
| CN111457005B (en) * | 2020-05-21 | 2024-04-12 | 江苏万达特种轴承股份有限公司 | Concave conical roller slewing bearing |
| CN113494519A (en) * | 2021-07-28 | 2021-10-12 | 江苏万达特种轴承有限公司 | Square steering bearing for AGV trundles and machining method thereof |
| CN113494519B (en) * | 2021-07-28 | 2023-08-01 | 江苏万达特种轴承股份有限公司 | Square steering bearing for AGV caster and processing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 226500 No.189, South Yishou Road, Rucheng Town, Rugao City, Nantong City, Jiangsu Province Patentee after: Jiangsu Wanda Special Bearing Co.,Ltd. Address before: 226500 No.189, South Yishou Road, Rucheng Town, Rugao City, Nantong City, Jiangsu Province Patentee before: JIANGSU WANDA SPECIAL BEARING Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 226500 No. 333, Fushou East Road, Rucheng street, Rugao City, Nantong City, Jiangsu Province Patentee after: Jiangsu Wanda Special Bearing Co.,Ltd. Address before: 226500 No.189, South Yishou Road, Rucheng Town, Rugao City, Nantong City, Jiangsu Province Patentee before: Jiangsu Wanda Special Bearing Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder |