CN103062225B - Rolling formation method of integral outer ring self-lubricating joint bearing - Google Patents
Rolling formation method of integral outer ring self-lubricating joint bearing Download PDFInfo
- Publication number
- CN103062225B CN103062225B CN201310015829.4A CN201310015829A CN103062225B CN 103062225 B CN103062225 B CN 103062225B CN 201310015829 A CN201310015829 A CN 201310015829A CN 103062225 B CN103062225 B CN 103062225B
- Authority
- CN
- China
- Prior art keywords
- outer ring
- bearing
- self
- ring blank
- blank
- 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.)
- Expired - Fee Related
Links
Abstract
The invention relates to a rolling formation method of an integral outer ring self-lubricating joint bearing. The rolling formation method of the integral outer ring self-lubricating joint bearing is characterized in that the rolling formation of an outer ring blank formation end inner surface adhered with a self-lubricating layer and the assembling of a bearing outer ring are carried out at the same time; and after the rolling formation of a bearing outer ring blank, the bearing outer ring is just enveloped on a bearing inner ring. The rolling formation method comprises the specific steps that firstly the outer surface and the inner surface of the bearing outer ring blank are machined to have excellent technology shapes; then the self-lubricating layer is adhered on the inner surface of the outer ring blank; then the outer ring blank formation end inner surface is fit on the bearing inner ring through following shapes; and finally the end surface and the outer surface of the bearing outer ring are subjected to lathing and grinding, and integral outer ring self-lubricating joint bearing finished products are obtained. According to the invention, during the formation process, the bearing outer ring and the bearing inner ring have no clamping or extrusion effect, and do not damage the self-lubricating layer; and meanwhile the bearing clearance can be controlled effectively by regulating rolling technology parameters, and the rolling formation is uniform in deformation, is small in formation force, and is easy to control.
Description
Technical field
The present invention relates to the manufacture method of self-lubricating knuckle bearing, particularly relate to the manufacture method of integral outer ring's self-lubricating knuckle bearing.
Background technique
, particularly there is technological gap in the technical research of integral outer ring's self oiling bearing and manufacture view in the main dependence on import of accurate self-lubricating knuckle bearing product that current China adopts at aviation field.Self-lubricating knuckle bearing is made up of the inner ring of band outer spherical surface, the outer ring of band inner ball surface and the self-lubricating layer that sticks to inner surface.The self-lubricating knuckle bearing of integral type outer race structure, its outer ring and self-lubricating layer are all structure as a whole, outer ring and inner ring structure simple, have in using that selflubricating reliability is high, the feature of compact structure, but in the fabrication process, the method making outer ring Plastic Forming must be adopted, outer ring envelope is formed on inner ring.
Foundation document [bearing research institute. without the manufacturing process of assembling breach joint shaft bearing. " bearing " magazine, 1973 (6): 12-16] method that the utilization plug proposed is shaped, in forming process, cause the contact squeeze effect huge to lubricating layer, damage must be caused to lubricating layer.And the method for the Plastic Forming outer ring that Chinese patent 201110361353.0 proposes, in order to form outer ring inner ball surface and the bearing clearance meeting the requirement of finished product joint shaft bearing, outer ring die forming process with roll in gap process, self-lubricating layer is without the violent extruding of interior ball, but also along with the formation of inner ball surface, stand twice distortion heterogeneous, in forming process, plastic force is larger, in the process of building motion, change in displacement is less and pressure alters a great deal, therefore displacement and pressure are difficult to accurate control, self-lubricating layer also easily causes damage, make finished product rate not high, reliability of technology is not high, also self-lubricating layer and bearing inner race outer surface is easily caused to damage.
Summary of the invention
For above-mentioned existing problems, the present invention aims to provide the rolling forming manufacture method of a kind of integral outer ring self-lubricating knuckle bearing, the method in the fabrication process between the self-lubricating layer that adheres to of bearing outer ring internal surface and bearing inner race outer surface without acutely extruding, therefore the forming process in manufacturing, to self-lubricating layer not damaged, has the bearing clearance meeting the requirement of finished product joint shaft bearing after shaping.
The present invention is achieved through the following technical solutions: the rolling forming method of a kind of integral outer ring self-lubricating knuckle bearing, it is characterized in that: the rolling forming of outer ring blank configured ends internal surface and the assembling of bearing outer ring that are stained with self-lubricating layer are carried out simultaneously, after bearing outer ring blank rolling forming, just envelope is on bearing inner race for bearing outer ring, and its concrete steps are as follows:
A. first bearing outer ring blank outer surface is divided into outer ring blank positioning end and outer ring blank configured ends, then bearing outer ring blank outer surface and internal surface is processed into the shape of process optimization;
B. self-lubricating layer is affixed on the internal surface of outer ring blank;
C. rolling forming method is adopted to make outer ring blank configured ends internal surface conformal fit on bearing inner race, its concrete steps are: be first placed in by the bearing inner race shaped and be stained with in the outer ring blank of self-lubricating layer, then bearing inner race is enclosed within counterdie mandrel and locates, outer ring blank positioning end is fixed in the counterbore of counterdie by expansion sleeve; One group of uniform tapered roller of circumference utilizes skewback, filler ring, retainer to be assemblied in punch set, punch set is High Rotation Speed under the driving of machine spindle, simultaneously, punch set according to given process parameter to lower feeding, make tapered roller carry out roll extrusion to the configured ends of outer ring blank, in rolling process, tapered roller can either around own axes rotation, can revolve round the sun around mold axis under punch set drives again, simultaneously can also with punch set to lower feeding; When punch set arrives the target location of setting, rolling forming completes;
D. car, mill processing are carried out to the end face of bearing outer ring and outer surface, obtain integral outer ring's self-lubricating knuckle bearing finished product.
Outer ring of the present invention blank configured ends outer surface profile element line is made up of outer ring blank configured ends outer surface straightway, outer ring blank configured ends outer surface fair curve group, described outer ring blank positioning end outer surface profile element line is made up of straightway, described outer ring blank internal surface is shape of dehiscing, and its profile element line is fair curve group.
Outer ring of the present invention blank positioning end outer surface is cylndrical surface, and its diameter is that finished product joint shaft bearing outer ring external diameter adds 1 ~ 5mm; The angle of described outer ring blank configured ends outer surface straightway is identical with the angle of tapered roller bus; Described outer ring blank configured ends external diameter maximum value is greater than 1.2 times of corresponding finished product joint shaft bearing outer ring external diameter; The height of described outer ring blank is more than 1.2 times of finished product joint shaft bearing outer ring height.
Skewback of the present invention can be made several groups of different amount and change by technological requirement, to realize the roll extrusion to different integral outer ring self-lubricating knuckle bearing.
Method of the present invention is by accurate Control Shaft bearing outer-ring blank shape and rolling technology parameter, roll extrusion internal surface is stained with the outer ring blank configured ends of self-lubricating layer, make its internal surface be plastic deformation to inner ball surface gradually, form the bearing clearance meeting bearing finished products requirement, realize bearing assemble simultaneously.
The present invention compared with prior art has the following advantages: solve the problem that existing integral outer ring's self-lubricating knuckle bearing outer ring is shaped and assembling damages self-lubricating layer, in joint shaft bearing rolling forming process, without locking and violent squeezing action between bearing outer ring and bearing inner race, little on self-lubricating layer impact, damage can not be caused, and by the adjustment of rolling technology parameter, can realize the effective control to bearing clearance, joint shaft bearing has the bearing clearance meeting bearing finished products requirement after being shaped.Simultaneously, the one-tenth deformation of bearing outer ring is even, plastic force is little, equipment tonnage is little, and forming quality is easy to control, the bearing outer ring inner surface configuration of rolling forming and bearing inner race external surface shape high conformity, uniform force, bearing life and reliability all have obvious lifting.
Accompanying drawing explanation
Fig. 1 is rolling forming process schematic diagram of the present invention;
Fig. 2 is the schematic shapes of joint shaft bearing of the present invention before rolling forming;
Fig. 3 is the schematic shapes of joint shaft bearing of the present invention after rolling forming;
Fig. 4 is the finished form schematic diagram that joint shaft bearing of the present invention obtains after car, mill processing.
In figure: 1-bearing inner race, 2-self-lubricating layer, 3-bearing outer ring blank, 4-skewback, 5-punch set, 6-retainer, 7-tapered roller, 8-filler ring, 9-screw, 10-expansion sleeve outer shroud, 11-expansion sleeve inner ring, 12-counterdie, 13-mandrel, 14-outer ring blank positioning end, 15-outer ring blank configured ends, 16-outer ring blank configured ends outer surface straightway, 17-outer ring blank configured ends outer surface fair curve group, 18-outer ring blank positioning end outer surface, 19-bearing inner race outer surface, 20-outer ring blank internal surface, outer ring blank configured ends after 21-distortion, outer ring blank internal surface after 22-distortion, 23-bearing outer ring.
Embodiment
Be described in detail with regard to embodiment below in conjunction with accompanying drawing.
As shown in Figures 1 and 2, the outer ring blank 3 of integral outer ring's self-lubricating knuckle bearing is overall ring, outer ring blank 3 is divided into positioning end 14 and configured ends 15, outer ring blank positioning end outer surface 18 is cylndrical surface, its diameter is that finished product joint shaft bearing outer ring external diameter adds 1 ~ 5mm, configured ends 15 outer surface element line is made up of straightway 16 and fair curve group 17, wherein, the angle of straightway 16 is identical with the angle of tapered roller 7 bus, and configured ends 15 external diameter maximum value is greater than 1.2 times of corresponding finished product joint shaft bearing outer ring external diameter, the internal surface of outer ring blank 3 is shape of dehiscing, its plain line is the fair curve group through process optimization, outer ring blank 3 is highly more than 1.2 times of finished product joint shaft bearing outer ring height.As shown in Figure 1, first produce bearing inner race 1 by finished product joint shaft bearing size, by finished product joint shaft bearing size and the above-mentioned requirements to outer ring blank 3, produce outer ring blank 3, adhere to self-lubricating layer 2 on the surface within it, then bearing inner race 1 is placed in is stained with in the outer ring blank 3 of self-lubricating layer 2; Then, bearing inner race 1 is enclosed within mandrel 13 and locates, the positioning end 14 of outer ring blank 3 is fixed in the counterbore of counterdie 12 by expansion sleeve outer shroud 10 and inner ring 11; One group of uniform tapered roller 7 of circumference utilizes skewback 4, filler ring 8 and retainer 6 to be assemblied in punch set 5, and filler ring 8 utilizes and is threadedly connected on punch set 5, and with fixing skewback 4, skewback 4 can make several groups of different amount, changes by technological requirement; Punch set 5 can under the driving of machine spindle High Rotation Speed, tapered roller 7 can around own axes rotation, can also revolve round the sun around mold axis under punch set 5 drives, simultaneously, punch set 5 is according to given process parameter to lower feeding, and tapered roller 7 is pressed on the inclined-plane that outer ring blank configured ends 15 formed by straightway 16, along with the feeding of punch set 5, carry out roll extrusion to outer ring blank configured ends 15, its internal surface is plastic deformation to sphere gradually; When punch set 5 arrives the target location of setting, rolling forming completes, and the joint shaft bearing after rolling forming as shown in Figure 3.Now, outer ring blank internal surface 20 and bearing inner race outer surface 19 are without locking and squeezing action, and the play requirement of gap character composite joint shaft bearing between them.Finally, by carrying out car, mill processing to the end face of bearing outer ring and outer surface, integral outer ring's self-lubricating knuckle bearing finished product is obtained, as shown in Figure 4.
Claims (4)
1. the rolling forming method of integral outer ring's self-lubricating knuckle bearing, it is characterized in that: the rolling forming of outer ring blank configured ends internal surface and the assembling of bearing outer ring that are stained with self-lubricating layer are carried out simultaneously, after bearing outer ring blank rolling forming, just envelope is on bearing inner race for bearing outer ring, and its concrete steps are as follows:
A. first bearing outer ring blank (3) outer surface is divided into outer ring blank positioning end (14) and outer ring blank configured ends (15), then bearing outer ring blank outer surface and internal surface is processed into the shape of process optimization;
B. self-lubricating layer (2) is affixed on the internal surface of outer ring blank (3);
C. rolling forming method is adopted to make outer ring blank configured ends (15) internal surface conformal fit on bearing inner race (1), its concrete steps are: be first placed in by the bearing inner race shaped (1) and be stained with in the outer ring blank (1) of self-lubricating layer (2), then bearing inner race (1) is enclosed within the upper location of counterdie mandrel (13), outer ring blank (3) positioning end (14) is fixed in the counterbore of counterdie (12) by expansion sleeve, one group of uniform tapered roller (7) of circumference utilizes skewback (4), filler ring (8), retainer (6) is assemblied in punch set (5), punch set (5) High Rotation Speed under the driving of machine spindle, simultaneously, punch set (5) according to given process parameter to lower feeding, the configured ends (15) of tapered roller (7) to outer ring blank (3) is made to carry out roll extrusion, in rolling process, tapered roller (7) can either around own axes rotation, can revolve round the sun around mold axis under punch set (5) drives again, simultaneously can also with punch set (5) to lower feeding, when punch set (5) arrives the target location of setting, rolling forming completes,
D. car, mill processing are carried out to the end face of bearing outer ring (23) and outer surface, obtain integral outer ring's self-lubricating knuckle bearing finished product.
2. the rolling forming method of a kind of integral outer ring according to claim 1 self-lubricating knuckle bearing, it is characterized in that: described outer ring blank configured ends (15) outer surface profile element line is made up of outer ring blank configured ends outer surface straightway (16), outer ring blank configured ends outer surface fair curve group (17), described outer ring blank positioning end outer surface (18) profile element line is made up of straightway, described outer ring blank internal surface (20) is shape of dehiscing, and its profile element line is fair curve group.
3. the rolling forming method of a kind of integral outer ring according to claim 2 self-lubricating knuckle bearing, is characterized in that: described outer ring blank positioning end outer surface (18) is cylndrical surface, and its diameter is that finished product joint shaft bearing outer ring external diameter adds 1 ~ 5mm; The angle of described outer ring blank configured ends outer surface straightway (16) is identical with the angle of tapered roller (7) bus; Described outer ring blank configured ends (15) external diameter maximum value is greater than 1.2 times of corresponding finished product joint shaft bearing outer ring external diameter; The height of described outer ring blank (3) is more than 1.2 times of finished product joint shaft bearing outer ring height.
4. the rolling forming method of a kind of integral outer ring according to claim 1 self-lubricating knuckle bearing, it is characterized in that: described skewback (4) can be made several groups of different amount and change by technological requirement, to realize the roll extrusion to different integral outer ring self-lubricating knuckle bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310015829.4A CN103062225B (en) | 2013-01-17 | 2013-01-17 | Rolling formation method of integral outer ring self-lubricating joint bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310015829.4A CN103062225B (en) | 2013-01-17 | 2013-01-17 | Rolling formation method of integral outer ring self-lubricating joint bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103062225A CN103062225A (en) | 2013-04-24 |
| CN103062225B true CN103062225B (en) | 2015-04-08 |
Family
ID=48105023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310015829.4A Expired - Fee Related CN103062225B (en) | 2013-01-17 | 2013-01-17 | Rolling formation method of integral outer ring self-lubricating joint bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103062225B (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103357810B (en) * | 2013-06-21 | 2015-06-10 | 燕山大学 | Extrusion forming manufacturing method for inner race of integral type titanium alloy self-lubricating spherical plain bearing |
| CN104668343B (en) * | 2013-12-02 | 2017-11-17 | 江西昌河航空工业有限公司 | A kind of bearing flange closing in rolling instrument |
| CN105317855A (en) * | 2014-07-31 | 2016-02-10 | 许保康 | Positioning mechanism of bearing capping machine |
| CN104565087B (en) * | 2014-12-12 | 2017-03-29 | 燕山大学 | A kind of swelling pressing device of self-lubricating oscillating bearing liner bonding solidification |
| CN105365209A (en) * | 2015-12-07 | 2016-03-02 | 西安航空动力控制科技有限公司 | Steel ball opening sealing tool |
| CN106002182A (en) * | 2016-07-29 | 2016-10-12 | 中国航空工业集团公司西安飞行自动控制研究所 | Installation tool special for fixing bearing by means of roller-type ring-shaped rolling bearing seat |
| CN106271438A (en) * | 2016-08-30 | 2017-01-04 | 上海交通大学 | The manufacturing process of integral outer ring's formula self-lubricating knuckle bearing |
| CN106944524A (en) * | 2017-03-30 | 2017-07-14 | 上海大学 | Monoblock type self-lubricating knuckle bearing spin forming method |
| CN109848359B (en) * | 2019-01-30 | 2021-01-12 | 上海大学 | Integral joint bearing bidirectional rotary swaging forming method |
| CN110131307B (en) * | 2019-05-16 | 2020-10-16 | 福建龙溪轴承(集团)股份有限公司 | Method for manufacturing molding type self-lubricating spherical plain bearing |
| CN110821955A (en) * | 2019-11-29 | 2020-02-21 | 江苏希西维轴承有限公司 | Cloth pasting method for extruding outer ring of joint bearing |
| CN112643355B (en) * | 2020-11-16 | 2023-09-05 | 中国航发西安动力控制科技有限公司 | Processing method of high molecular polymer bearing assembly |
| CN112879445A (en) * | 2020-12-29 | 2021-06-01 | 新昌县三特自动化科技有限公司 | File board type oscillating bearing roller press |
| CN112576620B (en) * | 2020-12-31 | 2023-05-30 | 台州科锦轴承有限公司 | Rod end joint bearing and rod end joint bearing assembling device and assembling method |
| CN113172162B (en) * | 2021-04-19 | 2022-09-09 | 上海市轴承技术研究所 | Joint bearing three-station extrusion assembly process and die based on involute profile |
| CN114370455A (en) * | 2022-01-19 | 2022-04-19 | 航天精工股份有限公司 | Combined bearing for rotor wing of unmanned aerial vehicle and manufacturing method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102501023A (en) * | 2011-11-15 | 2012-06-20 | 燕山大学 | Compression molding method without action of inner rings for integral self-lubricating joint bearings |
| CN102501024A (en) * | 2011-11-15 | 2012-06-20 | 燕山大学 | Spin forming method without inner ring action for integral self-lubricating joint bearing |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS636213A (en) * | 1986-06-26 | 1988-01-12 | Nippon Thompson Co Ltd | Spherical plain bearing and its manufacture |
| KR100803055B1 (en) * | 2006-11-03 | 2008-02-18 | 한국과학기술원 | Spherical bearing assembly and method for manufacturing the same |
| CN102873161B (en) * | 2012-09-28 | 2014-07-23 | 燕山大学 | Spinning manufacturing method of spherical plain bearing and spinning mould thereof |
-
2013
- 2013-01-17 CN CN201310015829.4A patent/CN103062225B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102501023A (en) * | 2011-11-15 | 2012-06-20 | 燕山大学 | Compression molding method without action of inner rings for integral self-lubricating joint bearings |
| CN102501024A (en) * | 2011-11-15 | 2012-06-20 | 燕山大学 | Spin forming method without inner ring action for integral self-lubricating joint bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103062225A (en) | 2013-04-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103062225B (en) | Rolling formation method of integral outer ring self-lubricating joint bearing | |
| CN102501023B (en) | Compression molding method without action of inner rings for integral self-lubricating joint bearings | |
| CN104874979B (en) | The ball spinning forming device of integral outer ring's formula self-lubricating knuckle bearing and manufacturing process | |
| CN102501024B (en) | Spin forming method without inner ring action for integral self-lubricating joint bearing | |
| CN103111483A (en) | High-modulus straight-tooth cylindrical gear cold extrusion technology and special die thereof | |
| CN104043769B (en) | Hot extrusion hole-bored axle from end to end straight forming technique | |
| CN108311620B (en) | Cold rotary forging precision forming method for thin-wall deep narrow groove part | |
| CN103182399A (en) | Whole outer-ring hole-pattern extrusion molding method for self-lubricating spherical plain bearing | |
| CN102788154A (en) | Integrated hydraulic tappet plunger and integral roller forming method thereof | |
| CN205465076U (en) | Thin wall part spinning assembly shaping is equipped | |
| CN102873161B (en) | Spinning manufacturing method of spherical plain bearing and spinning mould thereof | |
| CN208472156U (en) | Carburizing steel thin-wall circular axis of cone bearing outer-ring secondary quenching mold | |
| CN103659161A (en) | Forming process of conical roller bearing inner ring large flange groove | |
| CN202901264U (en) | Integrated hydraulic tappet plunger piston and mold thereof | |
| CN206457524U (en) | A kind of cageless circular cone carburizing bearing outer ring quenching mould | |
| CN102489642B (en) | Integral self-lubricated oscillating bearing rolling forming process and rolling equipment | |
| CN113579139B (en) | Forging method of high-performance bearing steel ball blank | |
| CN205599838U (en) | Cold forging mould and system of steering spindle | |
| CN103230994A (en) | Device and method for forming imprint of micro groove on shaft through stepping rolling | |
| CN201394622Y (en) | High-speed rotator used for producing spiral rib steel wires | |
| CN109550820A (en) | For manufacturing molding die, manufacturing equipment and the manufacturing method of roll bending part | |
| CN105299038A (en) | Axial clearance collocation method for large-scale and super-large-scale four-row tapered roller bearings | |
| CN104139278A (en) | Manufacturing process for oil delivery flange bonnet ring forge piece blank | |
| CN110625056A (en) | Near-net forming method for super-huge type bearing iron retainer | |
| CN103692170A (en) | Method for manufacturing composite shaft sleeve with two tapered ends |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150408 Termination date: 20190117 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |