CN111457005A - Concave conical surface roller slewing bearing and production process thereof - Google Patents

Concave conical surface roller slewing bearing and production process thereof Download PDF

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Publication number
CN111457005A
CN111457005A CN202010434127.XA CN202010434127A CN111457005A CN 111457005 A CN111457005 A CN 111457005A CN 202010434127 A CN202010434127 A CN 202010434127A CN 111457005 A CN111457005 A CN 111457005A
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China
Prior art keywords
grinding
raceway surface
hole
outer ring
ring
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Granted
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CN202010434127.XA
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Chinese (zh)
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CN111457005B (en
Inventor
朱晓宏
石静静
王春建
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Jiangsu Wanda Special Bearing Co Ltd
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Jiangsu Wanda Special Bearing Co Ltd
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Priority to CN202010434127.XA priority Critical patent/CN111457005B/en
Publication of CN111457005A publication Critical patent/CN111457005A/en
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Publication of CN111457005B publication Critical patent/CN111457005B/en
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    • 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
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
    • F16C19/34—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
    • F16C19/36—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with a single row of rollers
    • 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
    • B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B24B19/02—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements
    • B24B19/06—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements for grinding races, e.g. roller races
    • 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
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • 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
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/34—Rollers; Needles
    • F16C33/36—Rollers; Needles with bearing-surfaces other than cylindrical, e.g. tapered; with grooves in the bearing surfaces
    • F16C33/363—Rollers; Needles with bearing-surfaces other than cylindrical, e.g. tapered; with grooves in the bearing surfaces with grooves in the bearing-surfaces
    • 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
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/58—Raceways; Race rings
    • F16C33/583—Details of specific parts of races
    • 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
    • F16C43/06—Placing rolling bodies in cages or bearings
    • 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
    • F16C2322/00—Apparatus used in shaping articles

Abstract

The invention relates to a concave conical roller slewing bearing, which comprises an outer ring, an inner ring and a concave conical roller, wherein the concave conical roller is a cylindrical roller, an annular groove is designed in the periphery of the concave conical roller, the groove section of the annular groove is V-shaped, a first annular bulge is designed on the inner side of the outer ring, a second annular bulge is designed on the outer side of the inner ring, the bulges of the first annular bulge and the second annular bulge are V-shaped in cross section, the concave conical 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 bearing has the advantages of simple design, convenient use, capability of simultaneously bearing larger radial force and axial force and perfect process.

Description

Concave conical surface roller slewing bearing and production process thereof
Technical Field
The invention relates to the field of bearing processing, in particular to a concave conical surface roller slewing bearing and a production process thereof.
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.
Disclosure of Invention
In order to solve the technical problems, the invention provides a concave conical surface roller slewing bearing and a production process thereof, the design is simple, the use is convenient, the bearing can bear larger radial force and axial force simultaneously, and the process is complete.
The technical scheme of the invention is as follows:
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,
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 bearing has the advantages of simple design, convenient use, capability of simultaneously bearing larger radial force and axial force and perfect process.
Drawings
FIG. 1 is a first schematic diagram of the present invention.
FIG. 2 is a second schematic 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 concave tapered roller bearing designed by the invention has the advantages of ingenious structure and convenient installation, can bear a bearing with larger radial force and axial force, adopts a carborundum wheel to profile machine a raceway surface and a roller, and has perfect process.

Claims (4)

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.
4. A process for producing a concave tapered roller slewing bearing according to any one of claims 1 to 3,
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, and finally grinding the raceway surface and a super-precision 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, and finally grinding the raceway surface and the ultra-precision raceway surface;
3) forming a roller blank, deburring or looping, carrying out soft grinding on an outer circular surface, carrying out soft grinding on double end surfaces, carrying out soft grinding on a raceway surface, carrying out hot processing, roughly grinding the raceway surface, finely grinding the raceway surface, and finally grinding the raceway surface and the ultra-precision 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.
CN202010434127.XA 2020-05-21 2020-05-21 Concave conical roller slewing bearing Active CN111457005B (en)

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CN111457005B CN111457005B (en) 2024-04-12

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1096860A (en) * 1993-06-23 1994-12-28 菲利克斯·桑切斯·桑切斯 The cylinder of minimized friction and/or tapered roller bearing
US20050135720A1 (en) * 2003-12-19 2005-06-23 Nippon Thompson Co., Ltd. Linear motion guide unit
CN104196886A (en) * 2014-08-25 2014-12-10 浙江精久轴承有限公司 Waist-shaped roller of linear bearing
CN106122276A (en) * 2016-08-30 2016-11-16 刘保国 A kind of bearing
CN206361011U (en) * 2016-12-22 2017-07-28 进发轴承有限公司 A kind of new cylinder roller bearing
WO2018040391A1 (en) * 2016-08-30 2018-03-08 上海斐赛轴承科技有限公司 Crossed roller bearing with convex raceway and manufacturing method thereof
CN207406632U (en) * 2017-10-24 2018-05-25 无锡民联汽车零部件有限公司 Double raceway tapered roller bearings
CN212225788U (en) * 2020-05-21 2020-12-25 江苏万达特种轴承有限公司 Concave conical surface roller slewing bearing

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1096860A (en) * 1993-06-23 1994-12-28 菲利克斯·桑切斯·桑切斯 The cylinder of minimized friction and/or tapered roller bearing
US20050135720A1 (en) * 2003-12-19 2005-06-23 Nippon Thompson Co., Ltd. Linear motion guide unit
CN104196886A (en) * 2014-08-25 2014-12-10 浙江精久轴承有限公司 Waist-shaped roller of linear bearing
CN106122276A (en) * 2016-08-30 2016-11-16 刘保国 A kind of bearing
WO2018040391A1 (en) * 2016-08-30 2018-03-08 上海斐赛轴承科技有限公司 Crossed roller bearing with convex raceway and manufacturing method thereof
CN206361011U (en) * 2016-12-22 2017-07-28 进发轴承有限公司 A kind of new cylinder roller bearing
CN207406632U (en) * 2017-10-24 2018-05-25 无锡民联汽车零部件有限公司 Double raceway tapered roller bearings
CN212225788U (en) * 2020-05-21 2020-12-25 江苏万达特种轴承有限公司 Concave conical surface roller slewing bearing

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