CN100570166C - Inner pulling type cylindrical roller bearing cage processing method and retainer thereof - Google Patents
Inner pulling type cylindrical roller bearing cage processing method and retainer thereof Download PDFInfo
- Publication number
- CN100570166C CN100570166C CNB2008100635254A CN200810063525A CN100570166C CN 100570166 C CN100570166 C CN 100570166C CN B2008100635254 A CNB2008100635254 A CN B2008100635254A CN 200810063525 A CN200810063525 A CN 200810063525A CN 100570166 C CN100570166 C CN 100570166C
- Authority
- CN
- China
- Prior art keywords
- retainer
- cylindrical roller
- roller bearing
- bearing cage
- pulling type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/46—Cages for rollers or needles
- F16C33/4617—Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages
- F16C33/4623—Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages formed as one-piece cages, i.e. monoblock cages
- F16C33/4629—Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages formed as one-piece cages, i.e. monoblock cages made from metal, e.g. cast or machined window cages
-
- 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
- F16C19/24—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 radial load mainly
- F16C19/26—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 radial load mainly with a single row of rollers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The present invention relates to a kind of inner pulling type cylindrical roller bearing cage processing method and products thereof retainer.This inner pulling type cylindrical roller bearing cage processing method comprises casting step, and car external diameter, plane cut off step, plane, car internal diameter, chamfering step, broaching cylindrical hole step, deburring, light decorations step.Broaching cylindrical hole step of the present invention adopts inside broach to be positioned at the inboard impartial position processing of retainer with external diameter and realizes cylindrical hole.Inner pulling type cylindrical roller bearing cage of the present invention adopts integral design, and retainer is provided with equally distributed cylindrical hole, cylindrical hole and cylindrical roller coupling.Inner pulling type cylindrical roller bearing cage of the present invention adopts copper-zinc alloy to make by spun casting.The present invention compared with prior art has the following advantages and effect: 1. all-in-one-piece framework helps to reach high strength, high rotating speed and long lifetime; 2. satisfy the outer ring guiding, integrated type broaching processing; 3. realize good heat radiating and evenly lubricated, guarantee low vibration and quiet; 4. few with material, reduce cost; 5. simplify technology, improve precision.
Description
Technical field:
The present invention relates to a kind of inner pulling type cylindrical roller bearing cage processing method and products thereof retainer.
Background technique:
Bearing (bearing) is a kind of being applied on the rotating mechanism, is used for supporting the parts of reducing friction and bearing load.Particularly a kind of bearing that designs for air condition compressor specially, because the cross section is little, the bearing capacity height, be out of shape little, be suitable for high speed operation, low vibration and quiet occasion, this products radial carrying lotus ability is big simultaneously, and cylindrical roller is linear with raceway and contacts, be applicable to the load that withstands shocks, the life-span is long.This product is simple in structure because of it, the boundary dimension compactness, and intensity is big, and bearing capacity is stronger, the rated speed height, the precision height, thereby be widely used in air condition compressor.At present this product adopts import or sub-fraction homemade mostly, wherein homemade retainer all adopts bootstrap, and (retainer rotates with rolling element and is called bootstrap, the entity copper retainer of structure down together), and be split-type structural, promptly be divided into and keep stand and retainer lid two-part, referring to Fig. 1～Fig. 7, keep the processing of stand and retainer lid to need 5 procedures respectively, manufacturing procedure is many, cost of material, technology cost and assembly cost are too high, deficiency in economic performance, and split-type structural is unfavorable for the processing location, and the error that equal portions sum of errors tolerance of size is brought is difficult to eliminate, and causes the dynamic equilibrium problems of bearing in rotation finely to realize, can not guarantee the running accuracy of finished product bearing, be difficult to the long lifetime of realizing that the air condition compressor occasion is required, high rotating speed, low vibration and quiet.Retainer is by milling cylindrical hole 1 ' come relative fixed cylindrical rollers, and the shortcoming that the retainer of this structure exists comprises:
1. because employing is split type, retainer intensity is obviously not enough, is not enough to the expection working strength and the specified bearing capacity that guarantee that the air condition compressor occasion is required.
2. owing to adopt the bootstrap structure, cause keeping stand wall thickness big (half of the difference of retainer external diameter and retainer internal diameter seen the h among Fig. 3), increased the weight of the deadweight of retainer.Because the relative wall thickness is big, the area of contact of cylindrical roller and retainer is bigger, can not realize good heat radiating and evenly lubricated.
Summary of the invention:
Technical problem to be solved by this invention is to overcome existing above-mentioned deficiency in the prior art, and a kind of inner pulling type cylindrical roller bearing cage processing method and retainer thereof are provided.
The present invention solves the problems of the technologies described above the technological scheme that is adopted: this inner pulling type cylindrical roller bearing cage processing method, comprise casting step, car external diameter, plane cut off step, deburring, light decorations step, it is characterized in that after car external diameter, plane cut off step, also have plane, car internal diameter, chamfering step and broaching cylindrical hole step before deburring, the light decorations step, Vehicle Processing technology is adopted on plane in described plane, car internal diameter, the chamfering step exactly, and two end faces of retainer are processed into the plane.
Broaching cylindrical hole step of the present invention adopts inside broach to be positioned at the inboard impartial position processing of retainer with external diameter and realizes cylindrical hole.
The present invention solves the problems of the technologies described above the inner pulling type cylindrical roller bearing cage that the technological scheme that is adopted comprises that also the above-mentioned processing method of a kind of usefulness makes, it is characterized in that all-in-one-piece retainer is provided with equally distributed cylindrical hole with pull-type broaching in the broaching tool, cylindrical hole and cylindrical roller coupling.
The edge, both sides of retainer of the present invention is provided with the inclined ramp of symmetry, and inclined-plane and axial angle are 30 to spend.
Inner pulling type cylindrical roller bearing cage of the present invention adopts copper-zinc alloy to make by spun casting.
The present invention has the following advantages and effect: 1. reach high strength, high rotating speed and long lifetime; 2. satisfy the outer ring guiding, integrated type broaching processing; 3. realize good heat radiating and evenly lubricated, guarantee low vibration and quiet; 4. reduce cost; 5. simplify technology, improve precision.
Description of drawings:
Fig. 1 keeps the processing method schematic representation of stand for prior art.
Fig. 2 is the processing method schematic representation of prior art retainer lid.
Fig. 3 keeps the structural representation of stand for prior art.
Fig. 4 is the A-A sectional view of Fig. 3.
Fig. 5 is the structural representation of prior art retainer lid.
Fig. 6 is the B-B sectional view of Fig. 5.
Fig. 7 is the application schematic representation of prior art.
Fig. 8 is the processing method schematic representation of the embodiment of the invention.
Fig. 9 is the structural representation of embodiment of the invention product.
Figure 10 is the C-C sectional view of Fig. 9.
Figure 11 is the D place enlarged diagram of Fig. 9.
Figure 12 is the application schematic representation of the embodiment of the invention.
Embodiment:
Referring to Fig. 8, embodiment of the invention inner pulling type cylindrical roller bearing cage processing method comprises five processes: casting, car external diameter, plane cut off, plane, car internal diameter, chamfering, broaching cylindrical hole, deburring, light decorations.Processing method of the present invention according to the structure of embodiment of the invention product retainer 1 (referring to Fig. 9～Figure 12) carry out, the casting step retainer model of casting exactly, the car external diameter, it is exactly the cut-out of Vehicle Processing retainer external diameter and two end faces of retainer that the plane cuts off step, these two steps are same as the prior art except the model difference, the plane, the car internal diameter, plane step in the chamfering step adopts Vehicle Processing technology exactly, two end faces of retainer are processed into the plane, the car internal diameter adopts cutter processing internal diameter exactly, make the retainer internal diameter size reach designing requirement, chamfering makes between two end faces of retainer break corner exactly, thereby seamlessly transitting between the realization end face, prevent bump injury, broaching cylindrical hole step adopts broaching tool to carry out interior pull-type broaching cylindrical hole exactly, particularly adopt inside broach to be positioned at the inboard impartial position processing of retainer and realize cylindrical hole, deburring with external diameter, light decorations step also is a prior art.The present invention compared with prior art, from not only step minimizing of technological process, and simplified operation, solved the prior art split-type structural and be unfavorable for the processing location, the problem that the error that equal portions sum of errors tolerance of size is brought is difficult to eliminate has improved the intensity of embodiment of the invention product.
The product retainer 1 of the embodiment of the invention is provided with equally distributed cylindrical hole 2, cylindrical hole 2 and cylindrical roller 3 couplings.The edge, both sides of retainer 1 is provided with the inclined ramp E of symmetry, this inclined-plane E and axial angle α employing 30 degree.Inner pulling type cylindrical roller bearing cage 1 can adopt copper-zinc alloy to make by spun casting.The present invention adopts outer guide structure (being that retainer 1 is with bearing outer ring 5 motions), be designed to integrated type, outer ring 5 guiding, significantly reduced the relative thickness (being attenuation) of retainer 1, make its relative thickness become certain proportionate relationship with cylindrical roller 3 diameters, thereby reduced the weight of retainer 1, saved copper material.Retainer 1 has been owing to adopted monolithic construction, so the compressive strength of retainer 1 and resistance to flexure improve greatly, thereby the fatigue resistance of complete bearing is guaranteed.Utilize inside broach to process then and realize cylindrical hole 2, last trap is fixed on the impartial position cylindrical roller 3, thereby bearing inner race 4, outer ring 5, cylindrical roller 3 is combined, and constitutes a cover bearing.So both can reduce bearing in operation process because the caused centrifugal degree of centrifugal action power, can solve heat radiation and lubrication problem between cylindrical roller 3 and the retainer 1 again, the high strength of bearing, high rotating speed, long lifetime have been guaranteed simultaneously again, thereby realized the low vibration of bearing and quiet, also save cost, embodied economic benefit.1. cost of material owing to adopted drawing process, i.e. attenuation is handled, and makes the utilization ratio of material improve 70%, retainer 1 weight saving 30%; 2. the technology cost owing to adopted drawing process, makes retainer 1 operation in the mill significantly reduce, and 10 procedures of being processed by original maintenance stand and retainer cover split-type reduce to 5 procedures; 3. assembly cost owing to adopted integral design, makes the operation of finished product bearing in assembling reduce, and has saved cost than higher rivet hot link.
Claims (4)
1, a kind of inner pulling type cylindrical roller bearing cage processing method, comprise casting step, car external diameter, plane cut off step, deburring, light decorations step, it is characterized in that after car external diameter, plane cut off step, also have plane, car internal diameter, chamfering step and broaching cylindrical hole step before deburring, the light decorations step, Vehicle Processing technology is adopted on the plane in described plane, car internal diameter, the chamfering step exactly, and two end faces of retainer are processed into the plane.
2, inner pulling type cylindrical roller bearing cage processing method according to claim 1 is characterized in that: described broaching cylindrical hole step adopts inside broach to be positioned at the inboard impartial position processing of retainer with external diameter and realizes cylindrical hole.
3, a kind of inner pulling type cylindrical roller bearing cage that adopts the described processing method of claim 1 to make is characterized in that: all-in-one-piece retainer is provided with equally distributed cylindrical hole with pull-type broaching in the broaching tool, cylindrical hole and cylindrical roller coupling.
4, inner pulling type cylindrical roller bearing cage according to claim 3 is characterized in that: the edge, both sides of retainer is provided with the inclined ramp of symmetry, and inclined-plane and axial angle are 30 to spend.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2008100635254A CN100570166C (en) | 2008-06-17 | 2008-06-17 | Inner pulling type cylindrical roller bearing cage processing method and retainer thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2008100635254A CN100570166C (en) | 2008-06-17 | 2008-06-17 | Inner pulling type cylindrical roller bearing cage processing method and retainer thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101307800A CN101307800A (en) | 2008-11-19 |
| CN100570166C true CN100570166C (en) | 2009-12-16 |
Family
ID=40124395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2008100635254A Active CN100570166C (en) | 2008-06-17 | 2008-06-17 | Inner pulling type cylindrical roller bearing cage processing method and retainer thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100570166C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101913061A (en) * | 2010-07-30 | 2010-12-15 | 洛阳Lyc轴承有限公司 | Processing process of ball bag-shaped stainless steel retainer |
| CN103089818B (en) * | 2013-01-04 | 2015-06-17 | 洛阳轴研科技股份有限公司 | Processing method of aramid fiber reinforced polytetrafluoroethylene holder |
| CN105179464A (en) * | 2015-06-14 | 2015-12-23 | 海宁市科巍轴承厂 | Highly non-compact lubricant-containing ceramic bearing |
| CN107575477A (en) * | 2017-09-29 | 2018-01-12 | 界首市皖俊轴承有限公司 | The retainer and its processing method of a kind of Biserial cylindrical roller bearing |
-
2008
- 2008-06-17 CN CNB2008100635254A patent/CN100570166C/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN101307800A (en) | 2008-11-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20070248297A1 (en) | Cage for Antifriction Bearings with Rollers | |
| CN100570166C (en) | Inner pulling type cylindrical roller bearing cage processing method and retainer thereof | |
| EP1653095A2 (en) | Two row thrust roller bearing with a cage having retaining protrusions formed by plastic deformation | |
| CN107110204B (en) | Tapered roller bearing | |
| JP2004316757A (en) | Cylindrical roller bearing and retainer for cylindrical roller bearing | |
| JP4527912B2 (en) | Roller with cage | |
| EP2136090B1 (en) | Radial ball bearing | |
| CN106089791A (en) | A kind of automobile purification pump module using foil dynamical pressure air bearing to support | |
| WO2016002681A1 (en) | Crown cage and angular contact ball bearing | |
| CN201106625Y (en) | Locating bearing for high speed aluminium foil mill | |
| CN211117124U (en) | Large-contact-angle pure rolling thrust tapered roller bearing | |
| CN201218283Y (en) | Internal bracing type cylindrical roller bearing holder | |
| CN201696499U (en) | Retainer of ball bearing with four-point contact | |
| JP2006220195A (en) | Bearing unit outside member | |
| US10197094B2 (en) | Double-row spherical roller bearing | |
| CN112705909A (en) | Manufacturing method of cold mold for disc centrifuge | |
| CN201218282Y (en) | External bracing type cylindrical roller bearing holder | |
| CN218152001U (en) | Enhanced guide type light series tapered roller bearing | |
| CN220687856U (en) | New energy automobile reduction gear bearing | |
| CN220349407U (en) | Truck hub unit assembly | |
| US20210140527A1 (en) | Transmission unit, in particular an axle drive or transfer case, having a transmission element mounted therein via at least one double-row angular contact ball bearing | |
| CN200961631Y (en) | Deep groove ball bearing solid copper keeper | |
| CN209818527U (en) | High-speed bearing for motorcycle racing car crankcase | |
| CN216278982U (en) | Reinforcing load auxiliary rail bearing structure | |
| CN213360847U (en) | External guide single-row tapered roller bearing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: TIANMA BEARING GROUP CO., LTD. Free format text: FORMER NAME: ZHEJIANG TIANMA BEARING CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Gongshu District Hangzhou City, Zhejiang Province Road 310015 No. 208 Patentee after: Tianma Bearing Group Co., Ltd. Address before: Gongshu District Hangzhou City, Zhejiang Province Road 310015 No. 208 Patentee before: Zhejiang TianMa Bearing Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180529 Address after: 313200 8 Canal Road, Lei Dian Town, Deqing County, Huzhou, Zhejiang Patentee after: Zhejiang Tianma Bearing Group Co., Ltd. Address before: No. 208, Gongshu District Shi Xiang Road, Gongshu District, Hangzhou, Zhejiang Patentee before: Tianma Bearing Group Co., Ltd. |