CN114263680A - Bearing inner race anti-phosphorization device - Google Patents
Bearing inner race anti-phosphorization device Download PDFInfo
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- CN114263680A CN114263680A CN202210092139.8A CN202210092139A CN114263680A CN 114263680 A CN114263680 A CN 114263680A CN 202210092139 A CN202210092139 A CN 202210092139A CN 114263680 A CN114263680 A CN 114263680A
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- ring
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- 238000007789 sealing Methods 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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Abstract
The invention belongs to the technical field of bearing equipment manufacturing, and particularly relates to an anti-phosphorization device for a bearing inner ring. The device can avoid the phosphorization phenomenon of the outer raceway of the inner ring of the bearing, save the process flow and improve the production efficiency.
Description
Technical Field
The invention belongs to the technical field of bearing equipment manufacturing, and particularly relates to an anti-phosphorization device for a bearing inner ring.
Background
At present, in the course of working on the bearing, in order to improve the corrosion resistance of bearing, can carry out bonderizing to it usually, in order to form the anticorrosive bonderizing film of one deck on its top layer, traditionally all immerse its whole into the bonderizing pond to carry out overall treatment to the bonderizing technology of bearing inner circle, after the bonderizing, the raceway on the bearing inner circle external diameter is plated one deck bonderizing film equally, for some high-quality bearings, need follow-up polishing the raceway and grind away the bonderizing layer, greatly increased the loaded down with trivial details of processing cost and process flow, and also cause the error increase of raceway department easily in polishing, influence the precision of assembly and use.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide an anti-phosphorization device for a bearing inner ring, which is applied to a product in which the inner diameter and the end face of the bearing inner ring need to be phosphorized, but the other parts do not need to be phosphorized.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: bearing inner race prevents phosphorization device, including upper cover plate and lower apron, the connection can be dismantled with lower apron to the upper cover plate, forms the working chamber after upper cover plate and lower apron built-up connection, and the bearing inner race is arranged the working chamber between upper cover plate and the lower apron in, and the bearing inner race is cut apart the working chamber and is formed inboard phosphorization chamber and outside seal chamber, inboard phosphorization chamber intercommunication exterior space, the airtight setting in outside seal chamber is provided with pressure balance device in the outside seal chamber.
Furthermore, the upper cover plate and the lower cover plate are connected and fastened through a fastening device, and the joint of the upper cover plate and the lower cover plate is connected in a matched mode through a stepped structure and sealed through an outer hoop.
Furthermore, the fastening device comprises a support bolt and a support nut, the support nut is connected to the lower cover plate, the support bolt is connected to the upper cover plate, the support bolt and the support nut are in threaded connection in the working cavity, and the upper cover plate and the lower cover plate are connected and fastened.
Furthermore, an inner side phosphating cavity is formed by the upper cover plate, the lower cover plate, the end surface of the bearing inner ring and the inner wall of the bearing inner ring, a plurality of communication holes are formed in the part of the upper cover plate and the lower cover plate forming the inner side phosphating cavity, and the communication holes are communicated with the inner side phosphating cavity and the external space; the upper cover plate, the lower cover plate, the outer wall of the bearing inner ring and the flange form an outer side sealing cavity.
Furthermore, the contact part of the upper cover plate and the bearing inner ring is provided with an upper slope surface, and a chamfer at the intersection of the upper end surface of the bearing inner ring and the outer wall is in contact with the upper slope surface; the contact part of the lower cover plate and the bearing inner ring is set to be a lower slope surface, and a chamfer at the intersection of the lower end surface of the bearing inner ring and the outer wall is in contact with the lower slope surface.
Furthermore, the upper cover plate is formed by combining an upper ring plate and an upper end plate closing the top end face of the upper ring plate, the upper end plate sequentially comprises a middle upper convex surface, an upper slope surface and an upper connecting surface, and the upper connecting surface is connected with the top end face of the upper ring plate; the lower cover plate is formed by combining a lower ring plate and a lower end plate closing the bottom end face of the lower ring plate, the lower end plate sequentially comprises a middle lower convex face, a lower slope face and a lower connecting face, and the lower connecting face is connected with the bottom end face of the lower ring plate.
Furthermore, the bottom end face of the upper ring plate and the top end face of the lower ring plate are connected in a matched mode through a stepped structure, and the outside of the upper ring plate and the top end face of the lower ring plate are sealed through an industrial rubber band.
Furthermore, the upper convex surface and the lower convex surface are respectively provided with a plurality of communicating holes; and a pressure balancing device is arranged on the upper connecting surface or the lower connecting surface.
Further, the slope of the upper and lower sloped surfaces is 40 °.
Further, the pressure balancing device comprises a ventilating column and a balloon, the ventilating column is arranged on the part of the upper cover plate or the lower cover plate, which forms the outer side sealing cavity, and the balloon is connected with the ventilating column.
The invention has the beneficial effects that: the device can avoid the phosphorization phenomenon of the outer raceway of the inner ring of the bearing, save the process flow and improve the production efficiency.
Drawings
FIG. 1 is a schematic structural view of an inner ring anti-phosphorization device of the present invention;
in the figure: 1. the upper cover plate, 1.1 upper ring plate, 1.2 upper convex surface, 1.3 upper slope, 1.4 upper connecting surface, 2, lower apron, 2.1 lower ring plate, 2.2 lower convex surface, 2.3 lower slope, 2.4 lower connecting surface, 3, supporting bolt, 4, supporting nut, 5, bearing inner race, 6, inboard bonderizing chamber, 7, outside seal chamber, 8, intercommunicating pore, 9, industrial rubber band, 10, ventilative post, 11, balloon.
Detailed Description
In order to make the structure and function of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention.
Referring to the attached figure 1, the bearing inner ring anti-phosphorization device comprises an upper cover plate 1 and a lower cover plate 2, wherein the upper cover plate 1 and the lower cover plate 2 are detachably connected through a support bolt 3 and a support nut 4, the support nut 4 is connected on the lower cover plate 2, and the support bolt 3 is connected on the upper cover plate 1; the upper cover plate 1 and the lower cover plate 2 are connected in a combined mode to form a working cavity, the supporting bolt 3 and the supporting nut 4 are in threaded connection in the working cavity, the upper cover plate 1 and the lower cover plate 2 are connected and fastened, the bearing inner ring 5 is arranged in the working cavity between the upper cover plate 1 and the lower cover plate 2, the bearing inner ring 6 divides the working cavity to form an inner phosphating cavity 6 and an outer sealing cavity 7, the inner phosphating cavity 6 is communicated with an external space, the outer sealing cavity 7 is arranged in a closed mode, and a pressure balancing device is arranged in the outer sealing cavity.
Further, an inner side phosphating cavity 6 is formed by the upper cover plate 1 and the lower cover plate 2 and the end surface and the inner wall of the bearing inner ring, a communication hole 8 is formed in the part 6 of the upper cover plate 1 and the lower cover plate 2 forming the inner side phosphating cavity, and the communication hole 8 is communicated with the inner side phosphating cavity and the external space; the upper cover plate 1, the lower cover plate 2 and the outer wall and the flange of the bearing inner ring form an outer side sealing cavity 7.
Furthermore, the upper cover plate 1 is formed by combining an upper ring plate 1.1 and an upper end plate closing the top end face of the upper ring plate, the upper end plate sequentially comprises an upper convex surface 1.2 in the middle, an upper slope surface 1.3 and an upper connecting surface 1.4, the upper connecting surface 1.4 is connected with the top end face of the upper ring plate, and a chamfer at the intersection of the upper end face of the bearing inner ring and the outer wall is contacted with the upper slope surface 1.3; the lower cover plate 2 is formed by combining a lower ring plate 2.1 and a lower end plate closing the bottom end face of the lower ring plate, the lower end plate sequentially comprises a lower convex face 2.2 in the middle, a lower slope face 2.3 and a lower connecting face 2.4, the lower connecting face 2.4 is connected with the bottom end face of the lower ring plate, and a chamfer at the intersection of the lower end face of the bearing inner ring and the outer wall is in contact with the lower slope face 2.3. The bottom end face of the upper ring plate is matched and connected with the top end face of the lower ring plate through a stepped structure, and the outside of the upper ring plate is sealed through an industrial rubber band 9. The upper convex surface 1.2 and the lower convex surface 2.2 are respectively provided with six communicating holes 8, the size of each communicating hole is phi 30-phi 40mm, and the inner side phosphating cavity 6 and the external space are communicated through the communicating holes; go up and connect 1.4 or set up pressure balance device on connecting face 2.4 down, pressure balance device includes ventilative post 10 and balloon 11, ventilative post 10 is installed and is connected face 1.4 or connect 2.4 down last, and balloon 11 is connected with ventilative post 10.
Preferably, the slope of the upper and lower sloped surfaces is 40 °.
The main structure of the invention is composed of an upper cover plate, a lower cover plate, a supporting bolt, a supporting nut and the like, and is shown in figure 1. The bearing inner ring is clamped between the upper cover plate and the lower cover plate by the upper cover plate and the lower cover plate and is clamped by the support bolt and the support nut, the inner part of the bearing inner ring is divided into two spaces, one is an inner side phosphating cavity formed by the end surface and the inner diameter of the bearing, and the other is an outer side sealing cavity formed by the raceway, the oil groove, the flange and the outer diameter. Wherein the design details of the upper and lower cover plates are critical: 1) a slope surface is formed inside, the included angle is 40 degrees, and the slope surface is clamped at the chamfer angle of the inner ring, so that the phosphorization of the end surface is not influenced; 2) 6 communicating holes with the diameter of 30-40 mm are processed at the communicating part between the upper cover plate and the lower cover plate and the inner diameter of the bearing, so that the phosphating liquid flows smoothly and fully contacts the inner diameter and the end surface; 3) the inner ring raceway and the cover plate form a closed space, and a ventilating column and a balloon are arranged to ensure pressure balance; 4) the joint of the upper cover plate and the lower cover plate is provided with a step stagnation port, and an industrial rubber band is externally hooped to prevent phosphating liquid from permeating.
The above list is only the preferred embodiment of the present invention. It is obvious that the invention is not limited to the above embodiments, but that many variations are possible. All modifications which can be derived or suggested by a person skilled in the art from the disclosure of the present invention are to be considered within the scope of the invention.
Claims (10)
1. Bearing inner race anti-phosphorization device, its characterized in that: including upper cover plate and lower apron, the connection can be dismantled with lower apron to the upper cover plate, forms the working chamber after upper cover plate and lower apron built-up connection, and the bearing inner circle is arranged the working chamber between upper cover plate and the lower apron in, and the bearing inner circle is cut apart the working chamber and is formed inboard bonderizing chamber and outside seal chamber, inboard bonderizing chamber intercommunication exterior space, the airtight setting in outside seal chamber is provided with pressure balance device in the outside seal chamber.
2. The bearing inner race anti-phosphorization device of claim 1, characterized in that: the upper cover plate and the lower cover plate are connected and fastened through a fastening device, and the joint of the upper cover plate and the lower cover plate is connected in a matched mode through a stepped structure and sealed through an outer hoop.
3. The bearing inner race anti-phosphorization device of claim 2, characterized in that: the fastening device comprises a support bolt and a support nut, the support nut is connected to the lower cover plate, the support bolt is connected to the upper cover plate, the support bolt and the support nut are in threaded connection in the working cavity, and the upper cover plate and the lower cover plate are connected and fastened.
4. The bearing inner race anti-phosphorization device of claim 1, characterized in that: the inner side phosphating cavities are formed by the upper cover plate, the lower cover plate, the end surface and the inner wall of the bearing inner ring, and a plurality of communication holes are formed in the part of the upper cover plate and the lower cover plate, which forms the inner side phosphating cavities, and are communicated with the inner side phosphating cavities and the external space; the upper cover plate, the lower cover plate, the outer wall of the bearing inner ring and the flange form an outer side sealing cavity.
5. The bearing inner race anti-phosphorization device of claim 1 or 4, characterized in that: the contact part of the upper cover plate and the bearing inner ring is provided with an upper slope surface, and a chamfer at the intersection of the upper end surface of the bearing inner ring and the outer wall is in contact with the upper slope surface; the contact part of the lower cover plate and the bearing inner ring is set to be a lower slope surface, and a chamfer at the intersection of the lower end surface of the bearing inner ring and the outer wall is in contact with the lower slope surface.
6. The bearing inner race anti-phosphorization device of claim 5, characterized in that: the upper cover plate is formed by combining an upper ring plate and an upper end plate closing the top end face of the upper ring plate, the upper end plate sequentially comprises a middle upper convex surface, an upper slope surface and an upper connecting surface, and the upper connecting surface is connected with the top end face of the upper ring plate; the lower cover plate is formed by combining a lower ring plate and a lower end plate closing the bottom end face of the lower ring plate, the lower end plate sequentially comprises a middle lower convex face, a lower slope face and a lower connecting face, and the lower connecting face is connected with the bottom end face of the lower ring plate.
7. The bearing inner race anti-phosphorization device of claim 6, characterized in that: the bottom end face of the upper ring plate is connected with the top end face of the lower ring plate in a matched mode through a stepped structure, and the outside of the upper ring plate is sealed through an industrial rubber band.
8. The bearing inner race anti-phosphorization device of claim 6, characterized in that: the upper convex surface and the lower convex surface are respectively provided with a plurality of communicating holes; and a pressure balancing device is arranged on the upper connecting surface or the lower connecting surface.
9. The bearing inner race anti-phosphorization device of claim 5, characterized in that: the slope of the upper slope surface and the lower slope surface is 40 degrees.
10. The bearing inner race anti-phosphorization device of claim 1, characterized in that: the pressure balancing device comprises a ventilating column and a balloon, the ventilating column is arranged on the part of the upper cover plate or the lower cover plate forming the outer side sealing cavity, and the balloon is connected with the ventilating column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210092139.8A CN114263680A (en) | 2022-01-26 | 2022-01-26 | Bearing inner race anti-phosphorization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210092139.8A CN114263680A (en) | 2022-01-26 | 2022-01-26 | Bearing inner race anti-phosphorization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114263680A true CN114263680A (en) | 2022-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210092139.8A Pending CN114263680A (en) | 2022-01-26 | 2022-01-26 | Bearing inner race anti-phosphorization device |
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| Country | Link |
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| CN (1) | CN114263680A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004217957A (en) * | 2003-01-10 | 2004-08-05 | Fuji Heavy Ind Ltd | Maskant tool |
| KR20190044410A (en) * | 2017-10-20 | 2019-04-30 | 동화텍 주식회사 | Masking Jig for Plating Pulley and Method for Plating Pulley Using The Same |
| CN214837882U (en) * | 2021-03-05 | 2021-11-23 | 中浙高铁轴承有限公司 | Cylindrical bearing inner ring raceway anti-phosphorization device |
| CN216951317U (en) * | 2022-01-26 | 2022-07-12 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Bearing inner race anti-phosphorization device |
-
2022
- 2022-01-26 CN CN202210092139.8A patent/CN114263680A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004217957A (en) * | 2003-01-10 | 2004-08-05 | Fuji Heavy Ind Ltd | Maskant tool |
| KR20190044410A (en) * | 2017-10-20 | 2019-04-30 | 동화텍 주식회사 | Masking Jig for Plating Pulley and Method for Plating Pulley Using The Same |
| CN214837882U (en) * | 2021-03-05 | 2021-11-23 | 中浙高铁轴承有限公司 | Cylindrical bearing inner ring raceway anti-phosphorization device |
| CN216951317U (en) * | 2022-01-26 | 2022-07-12 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Bearing inner race anti-phosphorization device |
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