CN103062225A - 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
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- CN103062225A CN103062225A CN2013100158294A CN201310015829A CN103062225A CN 103062225 A CN103062225 A CN 103062225A CN 2013100158294 A CN2013100158294 A CN 2013100158294A CN 201310015829 A CN201310015829 A CN 201310015829A CN 103062225 A CN103062225 A CN 103062225A
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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
The main dependence on import of accurate self-lubricating knuckle bearing product that current China adopts at aviation field, particularly there is technological gap in technical research and the manufacture view at integral outer ring's self oiling bearing.Self-lubricating knuckle bearing is by with the inner ring of outer spherical surface, form with the outer ring of 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 all are structure as a whole, outer ring and inner ring structure are simple, the characteristics that have selflubricating reliability height, compact structure in the use, but in manufacture process, must adopt the method that makes the outer ring Plastic Forming, the outer ring envelope is formed on the inner ring.
The method that the utilization plug that proposes according to document [" bearing " 1973, (6)] is shaped in forming process, causes the contact squeeze effect huge to lubricating layer, must be to the lubricating layer injury.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 that meets the requirement of finished product joint shaft bearing, outer ring die forming process with roll in the process of crack, self-lubricating layer has not had the violent extruding of endosphere, but also along with the formation of inner ball surface, stand twice distortion heterogeneous, in forming process, plastic force is larger, and 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 is easy injury also, so that the finished product rate is not high, reliability of technology is not high, easily causes the damage of self-lubricating layer and bearing inner race outer surface yet.
Summary of the invention
For above-mentioned existing problems, the present invention aims to provide a kind of integral outer ring self-lubricating knuckle bearing rolling forming manufacture method, the method between self-lubricating layer that manufacture process middle (center) bearing inner surface adheres to and bearing inner race outer surface without acutely pushing, therefore the forming process in making has the bearing clearance that meets the requirement of finished product joint shaft bearing to the self-lubricating layer not damaged after the shaping.
The present invention is achieved through the following technical solutions: a kind of integral outer ring self-lubricating knuckle bearing rolling forming method, it is characterized in that: be stained with the rolling forming of outer ring blank configured ends internal surface of self-lubricating layer and the assembling of bearing outer ring and carry out simultaneously, behind 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. adopt the rolling forming method that outer ring blank configured ends internal surface conformal is fitted on the bearing inner race, its concrete steps are: the bearing inner race that shapes is placed in the outer ring blank that is stained with self-lubricating layer first, then bearing inner race is enclosed within on the counterdie mandrel and locates, be fixed on outer ring blank positioning end in the counterbore of counterdie by expansion sleeve; Circumferentially one group of uniform tapered roller utilizes skewback, filler ring, retainer to be assemblied in the 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 be around self axis rotation, can under driving, punch set revolve round the sun by winding mold tool axis again, and simultaneously can also be with punch set to lower feeding; When the target location that punch set arrival is set, rolling forming is finished;
D. end face and the outer surface of bearing outer ring are carried out car, mill processing, 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 comprised 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 comprised of straightway, described outer ring blank internal surface is the shape of dehiscing, and its profile element line is the fair curve group.
Outer ring of the present invention blank positioning end outer surface is the 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, the roll extrusion internal surface is stained with the outer ring blank configured ends of self-lubricating layer, make its internal surface gradually plastic deformation be inner ball surface, form the bearing clearance meet the bearing finished products requirement, realize simultaneously bearing assemble.
The present invention compared with prior art has the following advantages: solved the problem that existing integral outer ring self-lubricating knuckle bearing outer ring is shaped and assembling damages self-lubricating layer, in joint shaft bearing rolling forming process, between bearing outer ring and bearing inner race without locking and violent squeezing action, little on the self-lubricating layer impact, can injury, and can realize the effective control to bearing clearance by the adjustment of rolling technology parameter, joint shaft bearing has the bearing clearance that meets the 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, stressed even, bearing life and reliability all have obvious lifting.
Description of drawings
Fig. 1 is rolling forming process schematic representation of the present invention;
Fig. 2 is the shape schematic representation of joint shaft bearing of the present invention before rolling forming;
Fig. 3 is the shape schematic representation of joint shaft bearing of the present invention behind rolling forming;
Fig. 4 is the finished form schematic representation that joint shaft bearing of the present invention obtains after car, mill processing.
Among the figure: 1-bearing inner race, 2-self-lubricating layer, 3-bearing outer ring blank, the 4-skewback, 5-punch set, 6-retainer, the 7-tapered roller, 8-filler ring, 9-screw, 10-expansion sleeve outer shroud, ring in the 11-expansion sleeve, 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, the outer ring blank configured ends after the 21-distortion, outer ring blank internal surface after the 22-distortion, the 23-bearing outer ring.
Embodiment
Be elaborated 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 whole ring, outer ring blank 3 is divided into positioning end 14 and configured ends 15, outer ring blank positioning end outer surface 18 is the cylndrical surface, its diameter is that finished product joint shaft bearing outer ring external diameter adds 1 ~ 5mm, configured ends 15 outer surfaces element line is comprised of straightway 16 and fair curve group 17, wherein, the angle of straightway 16 is identical with the angle of tapered roller 7 buses, and configured ends 15 external diameter maximum values are 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 the shape of dehiscing, its plain line is the fair curve group through process optimization, and outer ring blank 3 highly is more than 1.2 times of finished product joint shaft bearing outer ring height.As shown in Figure 1, at first produce bearing inner race 1 by finished product joint shaft bearing size, press finished product joint shaft bearing size and to the above-mentioned requirements of outer ring blank 3, produce outer ring blank 3, the upper self-lubricating layer 2 that adheres in surface places bearing inner race 1 in the outer ring blank 3 that is stained with self-lubricating layer 2 more within it; Then, bearing inner race 1 is enclosed within on the mandrel 13 location, the positioning end 14 of outer ring blank 3 is fixed in the counterbore of counterdie 12 by expansion sleeve outer shroud 10 and interior ring 11; Circumferentially one group of uniform tapered roller 7 utilizes skewback 4, filler ring 8 and retainer 6 to be assemblied in the punch set 5, and filler ring 8 utilizes and is threadedly connected on the punch set 5, and with fixing skewback 4, skewback 4 can be made several groups of different amount, changes by technological requirement; Punch set 5 can be under the driving of machine spindle High Rotation Speed, tapered roller 7 can be around self axis rotation, can also under driving, punch set 5 revolve round the sun by winding mold tool axis, simultaneously, to lower feeding, tapered roller 7 is pressed on the inclined-plane that outer ring blank configured ends 15 forms by straightway 16, along with the feeding of punch set 5 according to given process parameter for punch set 5, outer ring blank configured ends 15 is carried out roll extrusion, and its internal surface gradually plastic deformation is sphere; When the target location that punch set 5 arrival are set, rolling forming is finished, and the joint shaft bearing behind the rolling forming as shown in Figure 3.At this moment, outer ring blank internal surface 20 and bearing inner race outer surface 19 are without locking and squeezing action, and the play requirement of the gap character composite joint shaft bearing between them.At last, carry out car, mill processing by end face and outer surface to bearing outer ring, obtain integral outer ring's self-lubricating knuckle bearing finished product, as shown in Figure 4.
Claims (4)
1. integral outer ring's self-lubricating knuckle bearing rolling forming method, it is characterized in that: be stained with the rolling forming of outer ring blank configured ends internal surface of self-lubricating layer and the assembling of bearing outer ring and carry out simultaneously, behind 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. adopt the rolling forming method that outer ring blank configured ends (15) internal surface conformal is fitted on the bearing inner race (1), its concrete steps are: first the bearing inner race (1) that shapes is placed in the outer ring blank (1) that is stained with self-lubricating layer (2), then bearing inner race (1) is enclosed within the upper location of counterdie mandrel (13), is fixed on outer ring blank (3) positioning end (14) in the counterbore of counterdie (12) by expansion sleeve; Circumferentially uniform one group of tapered roller (7) utilizes skewback (4), filler ring (8), retainer (6) to be assemblied in the 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, make tapered roller (7) carry out roll extrusion to the configured ends (15) of outer ring blank (3), in rolling process, tapered roller (7) can either be around self axis rotation, can under driving, punch set (5) revolve round the sun by winding mold tool axis again, and simultaneously can also be with punch set (5) to lower feeding; When the target location that punch set (5) arrival is set, rolling forming is finished;
D. end face and the outer surface of bearing outer ring (23) are carried out car, mill processing, 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 comprised 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 comprised of straightway, described outer ring blank internal surface (20) is the shape of dehiscing, and its profile element line is the fair curve group.
3. the rolling forming method of a kind of integral outer ring according to claim 2 self-lubricating knuckle bearing, it is characterized in that: described outer ring blank positioning end outer surface (18) is the 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 |
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| CN201310015829.4A CN103062225B (en) | 2013-01-17 | 2013-01-17 | Rolling formation method of integral outer ring self-lubricating joint bearing |
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| CN201310015829.4A CN103062225B (en) | 2013-01-17 | 2013-01-17 | Rolling formation method of integral outer ring self-lubricating joint bearing |
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| CN103062225A true CN103062225A (en) | 2013-04-24 |
| CN103062225B CN103062225B (en) | 2015-04-08 |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103357810A (en) * | 2013-06-21 | 2013-10-23 | 燕山大学 | Extrusion forming manufacturing method for inner race of integral type titanium alloy self-lubricating spherical plain bearing |
| CN104668343A (en) * | 2013-12-02 | 2015-06-03 | 江西昌河航空工业有限公司 | Bearing flange closing and flat-rolling rolling tool |
| CN105317855A (en) * | 2014-07-31 | 2016-02-10 | 许保康 | Positioning mechanism of bearing capping machine |
| 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 |
| 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 |
| CN106944524A (en) * | 2017-03-30 | 2017-07-14 | 上海大学 | Monoblock type self-lubricating knuckle bearing spin forming method |
| CN109848359A (en) * | 2019-01-30 | 2019-06-07 | 上海大学 | Monoblock type oscillating bearing bidirectional rotary forges manufacturing process |
| CN110131307A (en) * | 2019-05-16 | 2019-08-16 | 福建龙溪轴承(集团)股份有限公司 | A kind of moulding type self-lubricating knuckle bearing manufacturing method |
| 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 |
| CN112576620A (en) * | 2020-12-31 | 2021-03-30 | 台州科锦轴承有限公司 | Rod end joint bearing and rod end joint bearing assembling equipment and assembling method |
| CN112643355A (en) * | 2020-11-16 | 2021-04-13 | 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 |
| CN113172162A (en) * | 2021-04-19 | 2021-07-27 | 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 |
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| 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 |
| CN102873161A (en) * | 2012-09-28 | 2013-01-16 | 燕山大学 | Spinning manufacturing method of spherical plain bearing and spinning mould thereof |
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| JPS636213A (en) * | 1986-06-26 | 1988-01-12 | Nippon Thompson Co Ltd | Spherical plain bearing and its manufacture |
| US20080104845A1 (en) * | 2006-11-03 | 2008-05-08 | Korea Advanced Institute Of Science And Techology | Apparatus and method for manufacturing spherical bearing assembly |
| 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 |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103357810A (en) * | 2013-06-21 | 2013-10-23 | 燕山大学 | Extrusion forming manufacturing method for inner race of integral type titanium alloy self-lubricating spherical plain bearing |
| 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 |
| CN104668343A (en) * | 2013-12-02 | 2015-06-03 | 江西昌河航空工业有限公司 | Bearing flange closing and flat-rolling rolling tool |
| 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 |
| CN109848359A (en) * | 2019-01-30 | 2019-06-07 | 上海大学 | Monoblock type oscillating bearing bidirectional rotary forges manufacturing process |
| CN110131307A (en) * | 2019-05-16 | 2019-08-16 | 福建龙溪轴承(集团)股份有限公司 | A kind of moulding type self-lubricating knuckle bearing manufacturing 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 |
| CN112643355A (en) * | 2020-11-16 | 2021-04-13 | 中国航发西安动力控制科技有限公司 | Processing method of high molecular polymer bearing assembly |
| 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 |
| CN112576620A (en) * | 2020-12-31 | 2021-03-30 | 台州科锦轴承有限公司 | Rod end joint bearing and rod end joint bearing assembling equipment and assembling method |
| CN113172162A (en) * | 2021-04-19 | 2021-07-27 | 上海市轴承技术研究所 | Joint bearing three-station extrusion assembly process and die based on involute profile |
| 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 |
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