CN202203277U - Bearing for high-speed braiding machine - Google Patents
Bearing for high-speed braiding machine Download PDFInfo
- Publication number
- CN202203277U CN202203277U CN2011202787494U CN201120278749U CN202203277U CN 202203277 U CN202203277 U CN 202203277U CN 2011202787494 U CN2011202787494 U CN 2011202787494U CN 201120278749 U CN201120278749 U CN 201120278749U CN 202203277 U CN202203277 U CN 202203277U
- Authority
- CN
- China
- Prior art keywords
- inner ring
- raceway
- tapered roller
- road
- ring
- 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 - Lifetime
Links
- 238000009954 braiding Methods 0.000 title abstract description 3
- 238000005461 lubrication Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 abstract 1
- 230000008676 import Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Rolling Contact Bearings (AREA)
Abstract
The utility model relates to a bearing for a high-speed braiding machine, an inner ring sleeved outside a mandrel is sleeved with an outer ring outside the inner ring, the right end part of a mandrel is provided with a baffle disc, a positioning sleeve is screwed on the mandrel, and the inner ring is arranged on the mandrel between the positioning sleeve and the baffle disc; sealing rings are arranged between the left side of the inner surface of the outer ring and the outer surface of the positioning sleeve and between the right side of the inner surface of the outer ring and the outer surface of the baffle disc; the vertex of the cone on which the tapered roller on the left side is positioned points to the position of the baffle disc, and the vertex of the cone on which the tapered roller on the right side is positioned points to the position of the positioning sleeve; the generatrix of the tapered roller is in a convex arc shape, and the middle part of the generatrix of the tapered roller protrudes outwards by 4-6 mu m. The utility model discloses the high speed performance of bearing obtains improving, and life obtains the extension, can adapt to high rotational speed's needs.
Description
Technical field
The utility model relates to a kind of bearing, and especially a kind of high-speed knitter is used bearing.
Background technique
At present, the braiding apparatus of domestic import is more and more, and used special bearing still needs the external bearing of import, and imported bearing costs an arm and a leg; Order cycle time is long, can not satisfy the production demand of domestic production line, and; As the bearing of guiding usefulness, external diameter is cylindrical, and the working life of bearing is short.
Summary of the invention
The purpose of the utility model is to overcome the deficiency that exists in the existing technology, provides a kind of bearing load high-speed knitter big, that can adapt to high rotating speed, long service life to use bearing.
The technological scheme that provides according to the utility model; Said high-speed knitter is used bearing; Be included in the inner ring of the outer socket of axle, outside inner ring, be socketed with the outer ring, the right part of described axle has block plate; On axle, be bolted with setting sleeve, described inner ring is arranged on the axle between setting sleeve and the block plate; Internal surface left side in the outer ring has left side raceway outer course, and road in the raceway is provided with the tapered roller that is positioned at the left side between the road in left side raceway outer course and left side raceway on the left of the outer surface of inner ring has, and on the tapered roller that is positioned at the left side, is provided with the left side retainer; Have right side raceway outer course on the internal surface right side of outer ring, have road in the raceway of right side, in right side raceway outer course and right side raceway, be provided with the tapered roller that is positioned at the right side between the road, be provided with the right side retainer on the tapered roller on right side being positioned at the outer surface of inner ring; Be equipped with seal ring on the left of the internal surface of outer ring and between the outer surface of setting sleeve and between the outer surface of the internal surface right side of outer ring and block plate; The position of block plate is pointed on the said summit that is positioned at the tapered roller place circular cone in left side, and the position of setting sleeve is pointed on the said summit that is positioned at the tapered roller place circular cone on right side; The bus of said tapered roller is the circular arc of evagination, and the bus of tapered roller middle part is to outer lug 4 ~ 6 μ m.
The left side raceway outer course and the right side raceway outer course of described inner surface are conical surface, and equal inwardly protruding 4 ~ 6 μ m in the bus of the left side raceway outer course of inner surface and right side raceway outer course middle part.The outer surface of said outer ring be the middle part heave cylindrical, this columniform bus is a circular arc, and this columniform bus place radius of a circle is 400 ~ 600mm.
The interior road of road and right side raceway is conical surface in the left side raceway of described inner ring outer surface, and the bus middle part in interior road of the left side raceway of inner ring outer surface and the interior road of right side raceway is all to outer lug 4 ~ 6 μ m.
Described inner ring comprises left side inner ring and right side inner ring, and the road is opened on the outer surface of left side inner ring in the raceway of said left side, and the road is opened on the outer surface of right side inner ring in the raceway of right side, and has pad between left side inner ring and the right side inner ring.
On axle, offer lubrication hole, the outlet end of lubrication hole is opened on the sidewall of axle of pads placement.
The high speed performance of the utility model bearing is improved, and obtains working life prolonging, and can adapt to high-revolving needs.
Description of drawings
Fig. 1 is the overall structure schematic representation of the utility model.
Embodiment
Below in conjunction with concrete accompanying drawing and embodiment the utility model is described further.
As shown in the figure: this high-speed knitter is used bearing; Be included in the inner ring of axle 8 outer sockets, outside inner ring, be socketed with outer ring 1, the right part of described axle 8 has block plate 8.1; On axle 8, be bolted with setting sleeve 7, described inner ring is arranged on the axle 8 between setting sleeve 7 and the block plate 8.1; 1 internal surface left side has left side raceway outer course in the outer ring; Outer surface at inner ring has road in the raceway of left side; In left side raceway outer course and left side raceway, be provided with the tapered roller 3 that is positioned at the left side between the road, on the tapered roller 3 that is positioned at the left side, be provided with left side retainer 4.1; 1 internal surface right side has right side raceway outer course in the outer ring; Outer surface at inner ring has road in the raceway of right side; In right side raceway outer course and right side raceway, be provided with the tapered roller 3 that is positioned at the right side between the road, on the tapered roller that is positioned at the right side 3, be provided with right side retainer 4.2; Be equipped with seal ring 6 on the left of the internal surface of outer ring 1 and between the outer surface of setting sleeve 7 and between the outer surface of the internal surface right side of outer ring 1 and block plate 8.1; The position of block plate 8.1 is pointed on the said summit that is positioned at the tapered roller 3 place circular cones in left side, and the position of setting sleeve 7 is pointed on the said summit that is positioned at the tapered roller 3 place circular cones on right side; The bus of said tapered roller 3 is the circular arc of evagination, and the bus of tapered roller 3 middle part is to outer lug 4 ~ 6 μ m.
The left side raceway outer course and the right side raceway outer course of described outer ring 1 internal surface are conical surface, and equal inwardly protruding 4 ~ 6 μ m in the bus of the left side raceway outer course of outer ring 1 internal surface and right side raceway outer course middle part.
The interior road of road and right side raceway is conical surface in the left side raceway of described inner ring outer surface, and the bus middle part in interior road of the left side raceway of inner ring outer surface and the interior road of right side raceway is all to outer lug 4 ~ 6 μ m.
Described inner ring comprises left side inner ring 2.1 and right side inner ring 2.2; The road is opened on the outer surface of left side inner ring 2.1 in the raceway of said left side; The road is opened on the outer surface of right side inner ring 2.2 in the raceway of right side, and has pad 5 between left side inner ring 2.1 and the right side inner ring 2.2.
On axle 8, offer lubrication hole 8.2, the outlet end of lubrication hole 8.2 is opened on the sidewall of axle 8 of pad 5 positions.
The utility model since the bus of its tapered roller 3 middle part to the bus middle part of the left side raceway outer course of outer lug 4 ~ 6 μ m, outer ring 1 internal surface and right side raceway outer course all in the left side raceway of inwardly protruding 4 ~ 6 μ m, inner ring outer surface in road and the right side raceway in the middle part of the bus in road all to outer lug 4 ~ 6 μ m; Being line between between tapered roller 3 and outer ring 1, tapered roller 3 and the left side inner ring 2.1 and tapered roller 3 and outer ring 1, tapered roller 3 and the right side inner ring 2.2 contacts; Area of contact is little; Wearing and tearing are just few; Rotate more flexibly, can adapt to high rotating speed needs, correspondingly also just greatly prolonged working life.
The outer surface of outer ring 1 be the middle part heave cylindrical; This columniform bus is a circular arc; And this columniform bus place radius of a circle is 400 ~ 600mm; The bearing stress that helps bearing like this concentrates on the intermediate portion of bearing, avoids stress concentration at two chamfer places of bearing, the early failue of generation.
Claims (6)
1. a high-speed knitter is used bearing; Be included in the inner ring of the outer socket of axle (8); Outside inner ring, be socketed with outer ring (1); The right part of described axle (8) has block plate (8.1), on axle (8), is bolted with setting sleeve (7), and described inner ring is arranged on the axle (8) between setting sleeve (7) and the block plate (8.1); The internal surface of (1) left side has left side raceway outer course in the outer ring; Outer surface at inner ring has road in the raceway of left side; In left side raceway outer course and left side raceway, be provided with the tapered roller (3) that is positioned at the left side between the road, on the tapered roller (3) that is positioned at the left side, be provided with left side retainer (4.1); The internal surface right side of (1) has right side raceway outer course in the outer ring; Outer surface at inner ring has road in the raceway of right side; In right side raceway outer course and right side raceway, be provided with the tapered roller (3) that is positioned at the right side between the road, be provided with right side retainer (4.2) on the tapered roller on right side (3) being positioned at; Be equipped with seal ring (6) on the left of the internal surface of outer ring (1) and between the outer surface of setting sleeve (7) and between the outer surface of the internal surface right side of outer ring (1) and block plate (8.1); The position of block plate (8.1) is pointed on the said summit that is positioned at tapered roller (3) the place circular cone in left side, and the position of setting sleeve (7) is pointed on the said summit that is positioned at tapered roller (3) the place circular cone on right side; It is characterized in that: the bus of said tapered roller (3) is the circular arc of evagination, and the bus of tapered roller (3) middle part is to outer lug 4 ~ 6 μ m.
2. high-speed knitter as claimed in claim 1 is used bearing; It is characterized in that: the left side raceway outer course and the right side raceway outer course of described outer ring (1) internal surface are conical surface, and equal inwardly protruding 4 ~ 6 μ m in the bus of the left side raceway outer course of outer ring (1) internal surface and right side raceway outer course middle part.
3. according to claim 1 or claim 2 high-speed knitter is used bearing, it is characterized in that: the outer surface of said outer ring (1) be the middle part heave cylindrical, this columniform bus is a circular arc, and this columniform bus place radius of a circle is 400 ~ 600mm.
4. high-speed knitter as claimed in claim 1 is used bearing; It is characterized in that: the interior road of road and right side raceway is conical surface in the left side raceway of described inner ring outer surface, and the bus middle part in interior road of the left side raceway of inner ring outer surface and the interior road of right side raceway is all to outer lug 4 ~ 6 μ m.
5. high-speed knitter as claimed in claim 4 is used bearing; It is characterized in that: described inner ring comprises left side inner ring (2.1) and right side inner ring (2.2); The road is opened on the outer surface of left side inner ring (2.1) in the raceway of said left side; The road is opened on the outer surface of right side inner ring (2.2) in the raceway of right side, and has pad (5) between left side inner ring (2.1) and the right side inner ring (2.2).
6. high-speed knitter as claimed in claim 1 is used bearing, it is characterized in that: on axle (8), offer lubrication hole (8.2), the outlet end of lubrication hole (8.2) is opened on the sidewall of axle (8) of pad (5) position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202787494U CN202203277U (en) | 2011-08-02 | 2011-08-02 | Bearing for high-speed braiding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202787494U CN202203277U (en) | 2011-08-02 | 2011-08-02 | Bearing for high-speed braiding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202203277U true CN202203277U (en) | 2012-04-25 |
Family
ID=45967399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202787494U Expired - Lifetime CN202203277U (en) | 2011-08-02 | 2011-08-02 | Bearing for high-speed braiding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202203277U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322483A (en) * | 2011-08-02 | 2012-01-18 | 无锡市第二轴承有限公司 | Bearing used for high-speed braider |
-
2011
- 2011-08-02 CN CN2011202787494U patent/CN202203277U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322483A (en) * | 2011-08-02 | 2012-01-18 | 无锡市第二轴承有限公司 | Bearing used for high-speed braider |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120425 Effective date of abandoning: 20130227 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20120425 Effective date of abandoning: 20130227 |
|
| RGAV | Abandon patent right to avoid regrant |