CN2346536Y - Kingpin convexity tumbling mill - Google Patents
Kingpin convexity tumbling mill Download PDFInfo
- Publication number
- CN2346536Y CN2346536Y CN 98246611 CN98246611U CN2346536Y CN 2346536 Y CN2346536 Y CN 2346536Y CN 98246611 CN98246611 CN 98246611 CN 98246611 U CN98246611 U CN 98246611U CN 2346536 Y CN2346536 Y CN 2346536Y
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- CN
- China
- Prior art keywords
- utility
- convexity
- model
- needle roller
- bearing
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- Expired - Lifetime
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The utility model relates to a special machining machine for machining the convexity of a rolling needle of a bearing. The utility model has the structure that a machine frame is provided with a motor and a driving mechanism thereof, wherein the upper part of the machine frame is provided with a bottom plate which is provided with a rotary drum driven by the motor through a speed regulator, and the periphery of the rotary drum is provided with a helical groove of which the opening is inward. When the utility model works, rolling needle blank and grind materials are arranged in the groove for grinding desired convexity by rolling. Thus, the utility model has the characteristics of reasonable structure, high work efficiency, low cost, convenient operation, etc. With the rolling needle ground by the utility model, a bearing is stressed uniformly and has favorable lubricating property so as to obviously enhance the service life of the bearing.
Description
The utility model relates to a kind of needle roller processing equipment, especially relates to a kind of special-purpose tumbling mill of bearing needle convexity.
Bearing adopts wire drawing, blanking, buffing external diameter more, rolls operations such as greasy dirt with needle roller, is processed into isodiametric cylindric needle body.It does the time spent zero load, is how much buses with axle bowl (as the cardan axis bowl etc.) and contacts; When bearing certain load, be the face contact, its contact-making surface is broadening near two chamfer places, and chamfering place stress is concentrated.Therefore, exist the axle bowl and be easy to wearing and tearing, defectives such as rolling burden poor performance.
According to the design bearing theory,, indexs such as service life of bearing and reliability are improved greatly if needle roller surface bus has the convexity of 0.001～0.0015mm.But because this convexity is very little, general metalworking machinery all can't be processed.Therefore, concerning the producer that produces needle roller, wish for a long time to have always a kind of simple in structure, easy to operate, equipment that can production convexity needle roller.
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of rational in infrastructure, the work efficiency height, and easy to operate, production cost is lower, the needle roller convexity tumbling mill that applicability is wider.
Major scheme of the present utility model is to be provided with motor and transmission mechanism thereof on frame, is provided with base plate on the top of frame, which is provided with the drum that is driven through speed regulator by motor, is provided with opening helicla flute inwardly in the periphery of described drum.Wherein, the preferable structure of described helicla flute is the left-handed cell body of single head, and its cross section is trapezoidal, and the inclined-plane α of its two sides is 70-80 °, and groove depth is 50-100mm.
In addition, at described base plate and frame with being provided with sector gear and gradient adjustment gear; In the barreling process, be adjusted at 20-45 ° through its inclination angle and be advisable drum.
Therefore, the utlity model has simple and reasonable for structure, easy to operate, characteristics such as needle roller and abrasive material grind continuously, voluntarily, and the working (machining) efficiency height is with low cost, and the original geometric accuracy of needle roller, roughness are not had influence, and processed needle roller convexity is comparatively suitable.This kind needle roller is installed in bearing or the universal joint bearing bowl, the convexity of needle roller can make it when bearing load, stressed even, can avoid the generation of stress concentration phenomenon, thereby improved the dynamic load capacity, guarantee that it has good lubricating property, reduce the wearing and tearing with the universal joint bearing bowl, prolonged the service life of bearing, axle bowl.
Fig. 1 is a kind of overall structure schematic diagram of the present utility model.
Fig. 2 is a kind of band spiral fluted roller frame enlarged diagram in the utility model.
Fig. 3 is that the A-A of Fig. 2 amplifies cut-away view.
Below by embodiment, the utility model is done concrete description.
Be provided with a gradient that is driven by motor 1 and adjust gear 3 on frame 13, the sector gear 4 that is installed on the base plate 5 is meshed all the time with gradient adjustment gear; On base plate, be provided with work drive motor 7 and the speed regulator 8 that drives mutually by it, and link to each other with the drum 11 of being located at the other end by main shaft 10.
Described drum 11 is to adopt the transformation of the way of polishing machine cylinder to form, promptly in the periphery of the cylinder of φ 750mm, and the left-handed helicla flute 12 of list that to be provided with a pitch be 320mm, the cross section of its cell body is trapezoidal, and the oblique angle α of two sides is 73 °, and groove depth is 60mm.
During production operation, starting motor drives gradient through decelerator and adjusts gear 3 and sector gear rotation 4, and making base plate 5 is the center with rotating shaft 6, swings up and down.When filling with substance can be handled motor earlier, makes drum be horizontal level, pack into cylindric needle roller blank and abrasive material.After charging finishes, handle motor 1 is 20-45 ° according to drum 11 angle inclination, restart motor 7, drive drums by speed regulator 8 and rotate around main shaft 10, needle roller 15 and abrasive material 16 move along helicla flute, and the needle roller two ends are contacted with the drum wall is unsettled, in motion process, be subjected to the shared effect of gravity, centrifugal force, friction, needle roller and abrasive material rub mutually, promptly realize the protruding mill processing to the needle roller surface, make it to form the 0.001-0.0015mm convexity.At last, through clean, check, packing, continuously produce the needle roller that the be installed on cardan axis bowl that adheres to specification etc. is located.
Claims (3)
1, a kind of needle roller convexity tumbling mill ties up to frame and is provided with motor and transmission mechanism thereof, is provided with base plate on the top of frame, which is provided with the drum that is driven through speed regulator by motor; It is characterized in that periphery, be provided with opening helicla flute (12) inwardly in described drum (11).
2, needle roller convexity tumbling mill as claimed in claim 1 is characterized in that described helicla flute (12) is single left-handed cell body, and its cross section is trapezoidal, and the oblique angle α of its two sides is 70-80 °, and groove depth is 50-100mm.
3, needle roller convexity tumbling mill as claimed in claim 1 or 2 is characterized in that being provided with sector gear (4) and gradient and adjusts gear (3) between described base plate (5) and frame (13); In the barreling process inclination angle of drum (11) being adjusted at 20-45 ° is advisable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98246611 CN2346536Y (en) | 1998-11-12 | 1998-11-12 | Kingpin convexity tumbling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98246611 CN2346536Y (en) | 1998-11-12 | 1998-11-12 | Kingpin convexity tumbling mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2346536Y true CN2346536Y (en) | 1999-11-03 |
Family
ID=33992012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98246611 Expired - Lifetime CN2346536Y (en) | 1998-11-12 | 1998-11-12 | Kingpin convexity tumbling mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2346536Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102189464A (en) * | 2010-03-05 | 2011-09-21 | 肇庆三环京粤磁材有限责任公司 | Method for chamfering inner bore on sintered neodymium-iron-boron magnet |
| CN102501161A (en) * | 2011-11-08 | 2012-06-20 | 宁波中和汽配有限公司 | Method for manufacturing needle roller with unloading function for bearing |
| CN106112785A (en) * | 2016-08-15 | 2016-11-16 | 江苏南方轴承股份有限公司 | It is used in mixed way formula correction of the flank shape bucket |
| CN107175573A (en) * | 2017-06-05 | 2017-09-19 | 峨眉山市驰骋机械制造有限公司 | Environment-friendly type needle roller alters angle machine |
| CN112975728A (en) * | 2019-12-02 | 2021-06-18 | 宁波中和汽配有限公司 | Machining equipment for machining roller pin correction line and machining process thereof |
| CN112975729A (en) * | 2019-12-02 | 2021-06-18 | 宁波中和汽配有限公司 | Needle roller polishing processing equipment and processing technology thereof |
| CN115213742A (en) * | 2021-04-18 | 2022-10-21 | 无锡市新裕滚针轴承有限公司 | Large-convexity long roller pin multistage throwing string processing method |
-
1998
- 1998-11-12 CN CN 98246611 patent/CN2346536Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102189464A (en) * | 2010-03-05 | 2011-09-21 | 肇庆三环京粤磁材有限责任公司 | Method for chamfering inner bore on sintered neodymium-iron-boron magnet |
| CN102501161A (en) * | 2011-11-08 | 2012-06-20 | 宁波中和汽配有限公司 | Method for manufacturing needle roller with unloading function for bearing |
| CN102501161B (en) * | 2011-11-08 | 2013-11-27 | 宁波中和汽配有限公司 | Method for manufacturing needle roller with unloading function for bearing |
| CN106112785A (en) * | 2016-08-15 | 2016-11-16 | 江苏南方轴承股份有限公司 | It is used in mixed way formula correction of the flank shape bucket |
| CN107175573A (en) * | 2017-06-05 | 2017-09-19 | 峨眉山市驰骋机械制造有限公司 | Environment-friendly type needle roller alters angle machine |
| CN112975728A (en) * | 2019-12-02 | 2021-06-18 | 宁波中和汽配有限公司 | Machining equipment for machining roller pin correction line and machining process thereof |
| CN112975729A (en) * | 2019-12-02 | 2021-06-18 | 宁波中和汽配有限公司 | Needle roller polishing processing equipment and processing technology thereof |
| CN115213742A (en) * | 2021-04-18 | 2022-10-21 | 无锡市新裕滚针轴承有限公司 | Large-convexity long roller pin multistage throwing string processing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |