CN211288478U - Holder with angular slope structure on end face - Google Patents
Holder with angular slope structure on end face Download PDFInfo
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- CN211288478U CN211288478U CN201922399370.8U CN201922399370U CN211288478U CN 211288478 U CN211288478 U CN 211288478U CN 201922399370 U CN201922399370 U CN 201922399370U CN 211288478 U CN211288478 U CN 211288478U
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- frame body
- retainer
- face
- slope
- holder
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Abstract
The utility model relates to a bearing retainer specifically is a holder that relates to a terminal surface area angle slope structure, include: the retainer comprises a retainer body, wherein the retainer body is of two frame body structures, the two frame body structures comprise a first frame body and a second frame body which are arranged in a back-to-back mode, a plurality of retainer outer claws are uniformly arranged on one sides of the first frame body and the second frame body in a surrounding mode along the circumferential direction, and a retainer pocket is formed between every two adjacent retainer outer claws; the side surface of the frame body opposite to the direction of the holder outer claw arranged on the first frame body is provided with a slope surface, the side surface of the frame body opposite to the direction of the holder outer claw arranged on the second frame body is provided with a slope surface, and a gap is formed between the slope surface on the first frame body and the slope surface on the second frame body; in the aspect of structural design, two frame body rolling body guide structures are adopted, and compared with the traditional plane, the structure that a small end face is added with a 3-degree slope surface is adopted, so that the structure not only can be more favorable for lubrication, but also can avoid the problem that the overlarge contact surface of the retainer generates heat and rubs.
Description
Technical Field
The utility model relates to a bearing retainer specifically is a holder that relates to an end face area angle slope structure mainly is applied to high-speed lathe main shaft bearing or other occasions that require higher to double-row cylindrical roller bearing rotational speed.
Background
The machine tool industry is developing to a high speed with the aim of various products, small batch and high efficiency. And has urgent need in the application aspect of high-speed light cutting airplane aluminum materials and high-speed strong difficult-to-cut materials.
In the high speed of the main shaft, the bearing and its lubrication technology, shaft rigidity and balance technology have become critical. In the progress of high speed, a lightweight and high-rigidity retainer has been developed, and plays a crucial role in improving the performance of a bearing in terms of high rotational speed.
In the aspect of high speed of the bearing, in order to ensure the high-speed stable operation of the bearing, the conditions to be met comprise high heat generated by the friction of the bearing in the operation process and heat dissipation, and if the heat dissipation is not timely, the retainer can deform due to temperature rise; the retainer needs to satisfy a certain lubricity and the like.
Disclosure of Invention
In view of the technical problem that the above-mentioned technique exists, the utility model aims at providing a holder of terminal surface area angle slope structure, this holder adopts two support body rolling element guide structure, not only can guarantee the correct reasonable guide position of holder, can guarantee the good heat dissipation of bearing simultaneously.
In order to realize the purpose, the utility model discloses the technical scheme who adopts: a retainer with an end face having an angular slope structure comprises: the retainer comprises a retainer body, wherein the retainer body is of two frame body structures, the two frame body structures comprise a first frame body and a second frame body which are arranged in a back-to-back mode, a plurality of retainer outer claws are uniformly arranged on one sides of the first frame body and the second frame body in a surrounding mode along the circumferential direction, and a retainer pocket is formed between every two adjacent retainer outer claws; the side surface of the frame body opposite to the direction of the holder outer claw arranged on the first frame body is provided with a slope surface, the side surface of the frame body opposite to the direction of the holder outer claw arranged on the second frame body is provided with a slope surface, and a gap is formed between the slope surface on the first frame body and the slope surface on the second frame body;
the slope surfaces are respectively arranged at two thirds of the distance between the side surfaces of the first frame body and the second frame body and the outer edge of the retainer, and the angle of the slope surfaces is 3 degrees; the structure is not only more beneficial to lubrication, but also can avoid the problem of heating and friction caused by an overlarge contact surface of the retainer;
furthermore, the end faces of the outer claws of the retainer are designed into slope faces, and the slope angle of each slope face is 6 degrees;
furthermore, the outer diameter end face of the retainer is provided with a slope surface structure, and a 90-degree included angle is formed between the outer claw end face of the retainer and the outer diameter end face of the retainer; the design can ensure the smooth loading of the rolling body, avoid the clamping and the collision of the rolling body, ensure the smooth entering of lubricating oil and avoid the heating;
furthermore, the shape of the cage pockets adopts a combined structure of two straight line sections separated by arc sections;
the combined structure is as follows: the straight line segment a-the circular arc segment-the straight line segment b; can ensure the reasonable rotation position of the rolling body in high-speed operation.
Furthermore, the retainer is made of PPS resin material, and the self-lubricating property of the retainer can be ensured by improving the content ratio of the glass fiber and the carbon fiber; the PPS resin material is adopted, so that the retainer is light, and meanwhile, the high hardness, the wear resistance and the deformation resistance of the retainer can avoid the problems of deformation and strength caused by centrifugal force when plastics such as phenol plastics are in ultrahigh-speed operation; meanwhile, the PPS resin retainer has 300-degree high-temperature resistant service performance, and deformation caused by temperature rise in the high-speed operation process is guaranteed.
The holder of an end face area angle slope structure be applied to double-row cylindrical roller bearing in, concrete structure includes: the outer ring, the inner ring and the rolling body are arranged in the retainer, the retainer adopts a two-retainer structure, a gap is formed between the two retainers and faces the inner diameter direction of the outer ring, and an included angle between the outer claw end face and the outer diameter end face of each retainer is 90 degrees.
The utility model has the advantages that:
the retainer adopting the technical scheme adopts a two-retainer rolling body guide structure in the aspect of structural design, and adopts a structure that a small end surface is added with a 3-degree slope surface compared with the traditional plane, so that the structure is not only more beneficial to lubrication, but also can avoid the problem of heating friction caused by an overlarge contact surface of the retainer; the outer diameter pocket part of the retainer adopts a slope angle of 6 degrees, and the slope angle between the end surface of the outer claw of the retainer and the slope angle between the end surface of the outer diameter end face form 90 degrees.
By adopting the application of the retainer structure in the bearing, the use requirements of high-speed machine tool products are well met, the technical monopoly of the domestic bearing on the cylindrical roller bearing for the ultra-high-speed machine tool spindle at the present stage is broken through, and meanwhile, the series of bearings can be used in other high-speed occasions and have great practical value.
Drawings
Fig. 1 is a schematic view of the structure of the retainer of the present invention.
Fig. 2 is a side view of fig. 1.
Fig. 3 is an enlarged view of the cage pockets.
Fig. 4 is a view showing an assembly structure of the holder.
Fig. 5 is a partially enlarged view of fig. 2.
In the figure, the rolling bearing comprises a first bearing body 1, a first bearing body 2, a second bearing body 3, a retainer outer claw 4, a retainer pocket 5, a gap 6, a retainer outer claw end face 7, a retainer outer diameter end face 8, straight line sections a and 9, arc sections 10, straight line sections b and 11, an outer ring and 12, an inner ring and 13 and rolling bodies.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings, as shown in fig. 1-4, including: a retainer with an end face provided with an angular slope structure comprises a retainer body, wherein the retainer body is of a two-frame structure, the two-frame structure comprises a first frame body 1 and a second frame body 2 which are arranged in a back-to-back manner, a plurality of retainer outer claws 3 are uniformly and annularly arranged on one side of the first frame body 1 and one side of the second frame body 2 along the circumferential direction, and a retainer pocket 4 is formed between every two adjacent retainer outer claws 3; the side surface of the frame body opposite to the direction of the holder outer claw 3 arranged on the first frame body 1 is provided with a slope surface, the side surface of the frame body opposite to the direction of the holder outer claw 3 arranged on the second frame body 2 is provided with a slope surface, and a gap 5 is formed between the slope surface on the first frame body and the slope surface on the second frame body;
the slope surfaces are respectively arranged at two thirds of the distance between the side surfaces of the first frame body 1 and the second frame body 2 and the outer edge of the retainer, and the angle of the slope surfaces is 3 degrees; the structure is not only more beneficial to lubrication, but also can avoid the problem of heating and friction caused by an overlarge contact surface of the retainer;
furthermore, the end surfaces of the outer claws 3 of the retainer are designed into slope surfaces, and the slope angles of the slope surfaces are 6 degrees;
furthermore, a slope surface structure is arranged on the outer diameter end surface 7 of the retainer, and a 90-degree included angle is formed between the outer claw end surface 6 of the retainer and the outer diameter end surface 7 of the retainer; the design can ensure the smooth loading of the rolling body, avoid the clamping and the collision of the rolling body, ensure the smooth entering of lubricating oil and avoid the heating;
furthermore, the shape of the cage pockets 4 adopts a combined structure of two straight line segments separated by arc segments;
the combined structure is as follows: the straight line segment a 8-circular arc segment 9-straight line segment b 10; a reasonable rotational position of the rolling elements 13 in high-speed operation can be ensured.
The holder of an end face area angle slope structure be applied to double-row cylindrical roller bearing in, concrete structure includes: outer lane 11, inner circle 12, rolling element 13 set up in the holder, the holder adopts two support body structures, wherein forms space 5 between two support bodies and towards 11 internal diameter directions in outer lane, and the contained angle between the outer claw terminal surface 6 and the external diameter terminal surface 7 of two support bodies of holder respectively is 90 degrees.
The use proves that the structure not only well meets the use requirements of high-speed machine tool products, but also breaks through the technical monopoly of the domestic bearing on the cylindrical roller bearing for the super-high-speed machine tool spindle at the present stage, and meanwhile, the series of bearings can be used in other high-speed occasions and have great practical value.
Claims (5)
1. A holder with an end face having an angular slope structure is characterized by comprising: the retainer comprises a retainer body, wherein the retainer body is of two frame body structures, the two frame body structures comprise a first frame body and a second frame body which are arranged in a back-to-back mode, a plurality of retainer outer claws are uniformly arranged on one sides of the first frame body and the second frame body in a surrounding mode along the circumferential direction, and a retainer pocket is formed between every two adjacent retainer outer claws; the side face of the frame body opposite to the direction of the outer claw of the retainer arranged on the first frame body is provided with a slope face, the side face of the frame body opposite to the direction of the outer claw of the retainer arranged on the second frame body is provided with a slope face, and a gap is formed between the slope face on the first frame body and the slope face on the second frame body.
2. The cage with an angular slope structure on the end face as claimed in claim 1, wherein: the slope surfaces are respectively arranged at two thirds positions away from the outer edge of the retainer on the side surfaces of the first frame body and the second frame body, and the angle of the slope surfaces is 3 degrees.
3. The cage with an angular slope structure on the end face as claimed in claim 1, wherein: the outer diameter end face of the retainer is provided with a slope face structure, and a 90-degree included angle is formed between the outer claw end face of the retainer and the outer diameter end face of the retainer.
4. A cage with an angular slope on its end face according to any of claims 1 to 3, characterized in that: the shape of the cage pockets adopts a combined structure of two straight line sections separated by arc sections.
5. The retainer with an end face having an angular slope structure as claimed in claim 4, wherein: the holder is made of PPS resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922399370.8U CN211288478U (en) | 2019-12-27 | 2019-12-27 | Holder with angular slope structure on end face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922399370.8U CN211288478U (en) | 2019-12-27 | 2019-12-27 | Holder with angular slope structure on end face |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211288478U true CN211288478U (en) | 2020-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922399370.8U Active CN211288478U (en) | 2019-12-27 | 2019-12-27 | Holder with angular slope structure on end face |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211288478U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110878798A (en) * | 2019-12-27 | 2020-03-13 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Holder with angular slope structure on end surface |
-
2019
- 2019-12-27 CN CN201922399370.8U patent/CN211288478U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110878798A (en) * | 2019-12-27 | 2020-03-13 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Holder with angular slope structure on end surface |
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221212 Address after: 116300 Section 1, North Gongji Street, Wafangdian, Dalian, Liaoning Patentee after: DALIAN WAZHOU GROUP BEARING EQUIPMENT MAKING Co.,Ltd. Address before: 116300 Wafangdian Bearing Industrial Park, Dalian City, Liaoning Province Patentee before: WAFANGDIAN BEARING GROUP NATIONAL BEARING ENGINEERING TECHNOLOGY RESEARCH CENTER Co.,Ltd. |