CN102554756A - Superfinishing device for ribs of inner rings of tapered roller bearings and process - Google Patents
Superfinishing device for ribs of inner rings of tapered roller bearings and process Download PDFInfo
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- CN102554756A CN102554756A CN2012100066936A CN201210006693A CN102554756A CN 102554756 A CN102554756 A CN 102554756A CN 2012100066936 A CN2012100066936 A CN 2012100066936A CN 201210006693 A CN201210006693 A CN 201210006693A CN 102554756 A CN102554756 A CN 102554756A
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- oilstone
- hydraulic elements
- pinch roller
- action hydraulic
- inner ring
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Abstract
The invention discloses a superfinishing device for ribs of inner rings of tapered roller bearings and process. The superfinishing process is used for the superfinishing device. The technical scheme includes that the superfinishing device comprises a support action hydraulic element, an inner support, a driving plate, a pressing wheel, a pressing wheel seat, a pressing wheel seat action hydraulic element, a pressing oil stone action hydraulic element, an oil stone reciprocating action hydraulic element, a driving plate driving motor, an oil stone clamp and an oil stone, pressure which is exerted by the pressing wheel seat action hydraulic element is transmitted to the pressing wheel via the pressing wheel seat, so that an inner ring required to be ground is attached to the driving plate, the inner support is inserted into the inner periphery of the inner ring required to be ground via the support action hydraulic element to be positioned, the driving plate driving motor drives the driving plate to drive the inner ring required to be ground to rotate, the pressing oil stone action hydraulic element drives the oil stone reciprocating action hydraulic element and the oil stone clamp to lead the oil stone to act on a rib with proper pressure, and the oil stone reciprocating action hydraulic element drives the oil stone to reciprocate.
Description
Technical field
The present invention relates to a kind of superfinishing equipment and technology of taper roll bearing inner ring rib.
Background technology
As shown in Figure 1, the taper roll bearing body construction mainly comprises inner ring 4, retainer 101, outer ring 102, roller 103, roller ball basal plane 104, inner ring rib 105.The processing technology of traditional taper roll bearing inner ring rib is to adopt grinding process, and the roughness index is 0.4 μ m.The all working face of whole bearing all adopts ultra Seiko skill slightly to release souls from purgatory and can reach 0.14 μ m except that inner ring rib, has only inner ring rib not adopt ultra Seiko skill, and roughness reaches 0.4 μ m.The roughness of rib becomes the roughness bottleneck of a whole set of products.These 'bottleneck' restrictions the lifting of indexs such as product vibration, service life.
Summary of the invention
The technical problem that the present invention will solve provides a kind of superfinishing equipment of taper roll bearing inner ring rib, and according to this superfinishing equipment a kind of microstoning technology is provided also.
For addressing the above problem; The technical scheme that measuring method of the present invention adopts comprises support part Hydraulic Elements, interior support, driving-disc, pinch roller, pinch roller seat, pinch roller seat action Hydraulic Elements, presses oilstone action Hydraulic Elements, oilstone reciprocating action Hydraulic Elements, driving-disc drive motors, oilstone folder, oilstone; Said pinch roller makes through pinch roller seat transmission pinch roller seat action Hydraulic Elements applied pressure needs the inner ring of grinding to be close to driving-disc; The inner ring internal diameter that support needs grinding in said through the insertion of support part Hydraulic Elements is with the location; The moving inner ring rotation that needs grinding of said driving-disc drive motors rotating drive dribbling; Said pressure oilstone action Hydraulic Elements drive oilstone reciprocating action Hydraulic Elements and the oilstone folder makes oilstone act on rib with suitable pressure, and said oilstone reciprocating action Hydraulic Elements drive oilstone and move reciprocatingly.
Described superfinishing equipment is characterized in that said pinch roller seat is concave structure, and said wheel pressing shaft is connected on the recessed arm inboard of pinch roller seat.
Described superfinishing equipment is characterized in that said driving-disc and needs the contact-making surface of the inner ring of grinding that recess is set.
The ultra Seiko skill that described device is realized is characterized in that this processing technology comprises the steps action:
1) pinch roller makes inner ring be close to driving-disc through the pressure that pinch roller seat special delivery pinch roller seat action Hydraulic Elements apply 1.8Mpa;
2) the inner ring internal diameter that support needs grinding in through the insertion of support part Hydraulic Elements is with the location, and the Hydraulic Elements of support part simultaneously apply the pressure of 1.8Mpa for interior support;
3) the driving-disc drive motors needs the inner ring rotation of grinding earlier in the direction of the clock with the rotational speed driving-disc drive of per second 800 commentaries on classics;
4) press oilstone action Hydraulic Elements drive oilstone reciprocating action Hydraulic Elements and oilstone folder to make oilstone act on rib with the pressure of 0.8Mpa;
5) oilstone reciprocating action Hydraulic Elements move reciprocatingly with 4 ~ 8 times/second speed drive oilstones;
6) be initial time-delay after 4 seconds with the 5th step action, stop the action of the 5th step, then by 4,3,2,1 step fall sequential execution of programmed 11 seconds, the ultra smart process of whole rib finishes.
Described superfine milling method is characterized in that in whole superfine milling process oilstone and rib grinding part spray special lubricating oil.
Described superfine milling method is characterized in that said special lubricating oil is the mixture of kerosene and machinery oil, and its mixed proportion is 1:0.2.
Compare with conventional machining process; Superfinishing equipment and technology through taper roll bearing inner ring rib of the present invention; Can realize microstoning, make the roughness of rib reach the technical indicator of 0.14 μ m, be equivalent to the roughness levels of raceway rib; Eliminated the roughness bottleneck of a whole set of products, the index such as vibration, service life of product is significantly improved.
Description of drawings
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is done further detailed explanation.
Fig. 1 is a taper roll bearing body construction sketch map.
Fig. 2 is a microstoning process principle figure of the present invention.
Fig. 3 is a superfinishing equipment structural representation of the present invention.
Fig. 4 is a superfinishing equipment fundamental diagram of the present invention.
Among the figure, 1-support part Hydraulic Elements, 2-interior support, 3-driving-disc, 4-inner ring, 5-pinch roller, 6-pinch roller seat, 7-pinch roller seat action Hydraulic Elements, 8-pressure oilstone action Hydraulic Elements, 9-oilstone reciprocating action Hydraulic Elements, 10-driving-disc drive motors, 11-oilstone folder, 12-oilstone, 13-recess, 14-recessed arm, 101-retainer, 102-outer ring, 103-roller, 104-roller ball basal plane, 105-inner ring rib.
The specific embodiment
Extremely shown in Figure 4 like Fig. 2; The superfinishing equipment of taper roll bearing inner ring rib of the present invention comprises support part Hydraulic Elements 1, interior support 2, driving-disc 3, pinch roller 5, pinch roller seat 6, pinch roller seat action Hydraulic Elements 7, presses oilstone action Hydraulic Elements 8, oilstone reciprocating action Hydraulic Elements 9, driving-disc drive motors 10, oilstone folder 11, oilstone 12; Said pinch roller 5 makes the inner ring 4 that needs grinding be close to driving-disc 3 through pinch roller seat 6 special delivery pinch roller seats action Hydraulic Elements 7 applied pressures; Inner ring 4 internal diameters that support 2 needs grinding in said through 1 insertion of support part Hydraulic Elements are with the location; 3 drives of said driving-disc drive motors 10 rotating drive dishes need inner ring 4 rotations of grinding; Said pressure oilstone action Hydraulic Elements 8 drive oilstone reciprocating action Hydraulic Elements 9 and oilstone folder 11 makes oilstone 12 act on rib with suitable pressure, and said oilstone reciprocating action Hydraulic Elements 9 drive oilstone 12 and move reciprocatingly.
Pinch roller seat 6 of the present invention is " recessed " shape structure, and pinch roller 5 is coupling in recessed arm 14 inboards of pinch roller seat 6, and pinch roller 5 makes the inner ring 4 that needs grinding be close to driving-disc 3 through pinch roller seat 6 more stable transmission pinch roller seat action Hydraulic Elements 7 applied pressures like this.
Driving-disc of the present invention 3 with need the contact-making surface of the inner ring 4 of grinding that recess 13 is set.To increase friction, stable bearing.
Comprise the steps action according to this superfinishing equipment microstoning technology provided by the invention:
1) pinch roller 5 makes inner ring 4 be close to driving-disc 3 through the pressure that pinch roller seat 6 special delivery pinch roller seats action Hydraulic Elements 7 apply 1.8Mpa;
2) inner ring 4 internal diameters that support 2 needs grinding in through 1 insertion of support part Hydraulic Elements are with the location, and the Hydraulic Elements of support part simultaneously 1 apply the pressure of 1.8Mpa for interior support 2;
3) driving-disc drive motors 10 needs inner ring 4 rotations of grinding earlier in the direction of the clock with rotational speed driving-disc 3 drives of per second 800 commentaries on classics;
4) press oilstone action Hydraulic Elements 8 drive oilstone reciprocating action Hydraulic Elements 9 and oilstone folder 11 to make oilstone 12 act on rib with the pressure of 0.8Mpa;
5) oilstone reciprocating action Hydraulic Elements 9 move reciprocatingly with 4 ~ 8 times/second speed drive oilstones 12;
6) be initial time-delay after 4 seconds with the 5th step action, stop the action of the 5th step, then by 4,3,2,1 step fall sequential execution of programmed 11 seconds, the ultra smart process of whole rib finishes.
To oilstone and rib grinding part spray special lubricating oil, with further increase grinding accuracy, through research, special lubricating oil is the mixture of kerosene and machinery oil in the above-mentioned whole superfine milling process, and its mixed proportion is 1:0.2, and is ideal.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all is included within protection scope of the present invention.
Claims (6)
1. the superfinishing equipment of a taper roll bearing inner ring rib; It is characterized in that this superfinishing equipment comprises support part Hydraulic Elements (1), interior support (2), driving-disc (3), pinch roller (5), pinch roller seat (6), pinch roller seat action Hydraulic Elements (7), presses oilstone action Hydraulic Elements (8), oilstone reciprocating action Hydraulic Elements (9), driving-disc drive motors (10), oilstone folder (11), oilstone (12); Said pinch roller (5) transmits pinch roller seat action Hydraulic Elements (7) applied pressure through pinch roller seat (6) makes the inner ring (4) that needs grinding be close to driving-disc (3); Inner ring (4) internal diameter that support (2) needs grinding in said through support part Hydraulic Elements (1) insertion is with the location; Said driving-disc drive motors (10) rotating drive dish (3) drive needs inner ring (4) rotation of grinding; Said pressure oilstone action Hydraulic Elements (8) drive oilstone reciprocating action Hydraulic Elements (9) and oilstone folder (11) makes oilstone (12) act on rib with suitable pressure, and said oilstone reciprocating action Hydraulic Elements (9) drive oilstone (12) and move reciprocatingly.
2. superfinishing equipment according to claim 1 is characterized in that said pinch roller seat (6) is " recessed " shape structure, and said pinch roller (5) is coupling in recessed arm (14) inboard of pinch roller seat (6).
3. superfinishing equipment according to claim 1 is characterized in that said driving-disc (3) and needs the contact-making surface of the inner ring (4) of grinding that recess (13) is set.
4. the ultra Seiko of a device realization according to claim 1 is planted, and it is characterized in that this processing technology comprises the steps action:
1) pinch roller (5) makes inner ring (4) be close to driving-disc (3) through the pressure that pinch roller seat (6) special delivery pinch roller seat action Hydraulic Elements (7) apply 1.8Mpa;
2) inner ring (4) internal diameter that support (2) needs grinding in through support part Hydraulic Elements (1) insertion is with the location, and support part Hydraulic Elements (1) apply the pressure of 1.8Mpa for interior support (2) simultaneously;
3) driving-disc drive motors (10) needs inner ring (4) rotation of grinding earlier in the direction of the clock with rotational speed driving-disc (3) drive of per second 800 commentaries on classics;
4) press oilstone action Hydraulic Elements (8) drive oilstone reciprocating action Hydraulic Elements (9) and oilstone folder (11) to make oilstone (12) act on rib with the pressure of 0.8Mpa;
5) oilstone reciprocating action Hydraulic Elements (9) move reciprocatingly with 4 ~ 8 times/second speed drive oilstones (12);
6) be initial time-delay after 4 seconds with the 5th step action, stop the action of the 5th step, then by 4,3,2,1 step fall sequential execution of programmed 11 seconds, the ultra smart process of whole rib finishes.
5. superfine milling method according to claim 4 is characterized in that in whole superfine milling process oilstone and rib grinding part spray special lubricating oil.
6. superfine milling method according to claim 5 is characterized in that said special lubricating oil is the mixture of kerosene and machinery oil, and its mixed proportion is 1:0.2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100066936A CN102554756A (en) | 2012-01-11 | 2012-01-11 | Superfinishing device for ribs of inner rings of tapered roller bearings and process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100066936A CN102554756A (en) | 2012-01-11 | 2012-01-11 | Superfinishing device for ribs of inner rings of tapered roller bearings and process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102554756A true CN102554756A (en) | 2012-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100066936A Pending CN102554756A (en) | 2012-01-11 | 2012-01-11 | Superfinishing device for ribs of inner rings of tapered roller bearings and process |
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| CN (1) | CN102554756A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103144032A (en) * | 2013-03-15 | 2013-06-12 | 江苏科技大学 | Multifunctional surface treatment device |
| CN107498352A (en) * | 2017-09-22 | 2017-12-22 | 沈阳建筑大学 | A kind of pressure roller holding apparatus applied to ceramic bearing inner ring microstoning |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1371782A (en) * | 2001-02-27 | 2002-10-02 | 日本精工株式会社 | Method for working ultrafine conical rolling bearing |
| JP2004138165A (en) * | 2002-10-18 | 2004-05-13 | Nissan Motor Co Ltd | Disk for traction drive and its manufacturing method |
| KR20080010574A (en) * | 2006-07-27 | 2008-01-31 | 현대자동차주식회사 | Structure for grinding the sheave surface of pulley for cvt |
| WO2011068041A1 (en) * | 2009-12-02 | 2011-06-09 | Ntn株式会社 | Processing method and bearing |
| CN202062300U (en) * | 2011-05-17 | 2011-12-07 | 广州日宝钢材制品有限公司 | Cylinder surface high-efficiency precision grinding device |
| CN202428300U (en) * | 2012-01-11 | 2012-09-12 | 浙江捷姆轴承有限公司 | Superfinishing device for lip on inner ring of tapered roller bearing |
-
2012
- 2012-01-11 CN CN2012100066936A patent/CN102554756A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1371782A (en) * | 2001-02-27 | 2002-10-02 | 日本精工株式会社 | Method for working ultrafine conical rolling bearing |
| JP2004138165A (en) * | 2002-10-18 | 2004-05-13 | Nissan Motor Co Ltd | Disk for traction drive and its manufacturing method |
| KR20080010574A (en) * | 2006-07-27 | 2008-01-31 | 현대자동차주식회사 | Structure for grinding the sheave surface of pulley for cvt |
| WO2011068041A1 (en) * | 2009-12-02 | 2011-06-09 | Ntn株式会社 | Processing method and bearing |
| CN202062300U (en) * | 2011-05-17 | 2011-12-07 | 广州日宝钢材制品有限公司 | Cylinder surface high-efficiency precision grinding device |
| CN202428300U (en) * | 2012-01-11 | 2012-09-12 | 浙江捷姆轴承有限公司 | Superfinishing device for lip on inner ring of tapered roller bearing |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103144032A (en) * | 2013-03-15 | 2013-06-12 | 江苏科技大学 | Multifunctional surface treatment device |
| CN103144032B (en) * | 2013-03-15 | 2015-05-27 | 江苏科技大学 | Multifunctional surface treatment device |
| CN107498352A (en) * | 2017-09-22 | 2017-12-22 | 沈阳建筑大学 | A kind of pressure roller holding apparatus applied to ceramic bearing inner ring microstoning |
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Application publication date: 20120711 |