CN217682822U

CN217682822U - Ceramic bearing based on polishing forming process

Info

Publication number: CN217682822U
Application number: CN202221082005.XU
Authority: CN
Inventors: 张志桂; 游苇; 游焕军; 芮伯福
Original assignee: Haining Naite Ceramic Bearing Co ltd
Current assignee: Haining Naite Ceramic Bearing Co ltd
Priority date: 2022-05-05
Filing date: 2022-05-05
Publication date: 2022-10-28
Anticipated expiration: 2032-05-05

Abstract

The application relates to the technical field of bearings, in particular to a ceramic bearing based on a polishing forming process, which comprises a bearing inner ring, a bearing outer ring and a plurality of balls, wherein a plurality of grooves corresponding to the balls are circumferentially arranged on the outer wall of the bearing inner ring; the two fixing rings are sleeved with limit rings, and all the balls are positioned between the two limit rings; one side of the limiting ring facing the ball is provided with a plurality of limiting cavities for the ball to roll and embed, and the two limiting rings are locked and fixed together through a plurality of first bolt connecting pairs. This application can improve the bulk strength of bearing.

Description

Ceramic bearing based on polishing forming process

Technical Field

The application relates to the technical field of bearings, in particular to a ceramic bearing based on a polishing forming process.

Background

The bearing is an important part in the modern mechanical equipment. Its main function is to support the mechanical rotator, reduce the friction coefficient in its motion process and ensure its rotation precision.

The structure of the bearing mainly comprises a bearing outer ring, a bearing inner ring and balls, and the ball bearings can be designed into different structures according to different functional requirements. The existing single-row or double-row glass ball plastic bearings can only bear short and small axial force, when the bearings bear continuous large axial impact force, the abrasion of the bearings is accelerated, the service life of the bearings is greatly shortened, and even balls fall off from the bearings, so that improvement is needed.

SUMMERY OF THE UTILITY MODEL

In order to improve the integral strength of the bearing, the application provides a ceramic bearing based on a polishing forming process. The application provides a ceramic bearing based on polishing forming process adopts following technical scheme: a ceramic bearing based on a polishing forming process comprises a bearing inner ring, a bearing outer ring and a plurality of balls, wherein a plurality of grooves corresponding to the balls are circumferentially arranged on the outer wall of the bearing inner ring; the two fixing rings are sleeved with limit rings, and all the balls are positioned between the two limit rings; one side of the limiting ring facing the ball is provided with a plurality of limiting cavities for the ball to roll and embed, and the two limiting rings are locked and fixed together through a plurality of first bolt connecting pairs. Optionally, the outer walls at the two ends of the bearing inner ring are provided with inserting ring grooves for inserting the fixing rings, and the two inserting ring grooves penetrate through the two ends of the bearing inner ring respectively.

Optionally, a first wear-resistant ring is arranged on the limiting ring, and the first wear-resistant ring is rotatably embedded in the bearing outer ring. Optionally, the first wear-resisting ring is sleeved with a second wear-resisting ring, the inner walls at the two ends of the bearing outer ring are provided with sealing ring grooves for the second wear-resisting ring to be rotatably embedded, and the two sealing ring grooves penetrate through the two ends of the bearing outer ring respectively. Optionally, the first wear-resistant ring is slidably sleeved on the limit ring and detachably connected to the limit ring through a connecting assembly. Optionally, coupling assembling establishes the annular and the slip inlays the holding ring of establishing in inlaying establishing the annular including inlaying on locating the spacing ring outer wall, inlays and establishes the annular and run through in the one end of spacing ring, and the holding ring is fixed to be inlayed and is established in first wear-resisting intra-annular and connect in the spacing ring through a plurality of second bolted connection pairs.

Optionally, the bearing inner ring, the bearing outer ring and the balls are made of zirconia ceramic materials.

Optionally, the fixing ring and the limiting ring are integrally formed.

To sum up, the application comprises the following beneficial technical effects:

1. the bearing inner ring, the bearing outer ring and the balls are made of zirconia ceramic materials, and the zirconia ceramic materials have high hardness, good wear resistance, high temperature resistance, high toughness, high bending strength and good heat insulation performance and have excellent performance which cannot be compared with a metal bearing;

2. all the balls are positioned between the two limiting rings, and one side of each limiting ring, which faces the balls, is provided with a plurality of limiting cavities for the balls to roll and embed, so that the balls can be supported and limited by the limiting rings, and the balls are not easy to separate from the grooves and the annular rolling grooves, and the overall strength of the bearing is improved;

3. the first wear-resistant ring is rotatably embedded in the bearing outer ring, and can support the bearing outer ring, so that the limiting ring is not easy to bend, and the overall strength of the bearing is improved;

4. sealing ring grooves are formed in the inner walls of the two ends of the bearing outer ring, and the second wear-resisting rings are rotatably embedded in the sealing ring grooves, so that the two second wear-resisting rings are clamped on the bearing outer ring together, and the stability of the bearing outer ring is improved;

5. the fixed ring, the limiting ring, the first wear-resisting ring and the second wear-resisting ring are sealed in a gap between the bearing inner ring and the bearing outer ring together, so that external dust is not easy to contact with balls, and the bearing outer ring is guaranteed to rotate relative to the bearing inner ring normally.

Drawings

FIG. 1 is a schematic diagram of the overall structure in the embodiment of the present application;

FIG. 2 is a schematic sectional view of the whole of the embodiment of the present application;

fig. 3 is a schematic structural diagram of a fixing ring, a limiting ring, a first wear-resistant ring, a second wear-resistant ring and a connecting assembly in an embodiment of the present application.

Reference numerals: 1. a bearing inner race; 11. a groove; 12. inserting ring grooves; 13. sealing the ring groove; 2. a bearing outer race; 21. an annular rolling groove; 3. a ball bearing; 4. a fixing ring; 41. locking the bolt; 5. a limiting ring; 51. a limiting cavity; 52. a first bolt connection pair; 6. a first wear ring; 7. a connecting assembly; 71. embedding a ring groove; 72. a positioning ring; 73. the second bolt is connected with the pair; 8. a second wear ring.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a ceramic bearing based on a polishing forming process. As shown in fig. 1 to 3, a ceramic bearing based on a polishing molding process includes a bearing inner ring 1, a bearing outer ring 2 and a plurality of balls 3, wherein a plurality of grooves 11 corresponding to the balls 3 are circumferentially arranged on an outer wall of the bearing inner ring 1, annular rolling grooves 21 corresponding to masurium in all the grooves 11 are arranged on an inner wall of the bearing outer ring 2, and the balls 3 are embedded in the annular rolling grooves 21 and the corresponding grooves 11 in a rolling manner, so that the bearing outer ring 2 can rotate relative to the bearing inner ring 1.

The bearing inner ring 1, the bearing outer ring 2 and the balls 3 are made of zirconia ceramic materials, and the zirconia ceramic materials have high hardness, good wear resistance, high temperature resistance, high toughness, high bending strength and good heat insulation performance, and have excellent performance which cannot be compared with a metal bearing. In the production process of the bearing inner ring 1, the bearing outer ring 2 and the balls 3, it is necessary to polish them so as to deburr the surfaces thereof.

The outer walls at the two ends of the bearing inner ring 1 are respectively provided with an inserting ring groove 12, and the two inserting ring grooves 12 respectively penetrate through the two ends of the bearing inner ring 1; the fixing ring 4 is embedded in the inserting ring groove 12 in a sliding mode, and the fixing ring 4 is fixed on the bearing inner ring 1 through the plurality of locking bolts 41, so that the fixing ring 4 can be conveniently dismounted on the bearing inner ring 1.

The two fixing rings 4 are respectively sleeved with the limiting ring 5, and the fixing rings 4 and the limiting rings 5 are integrally formed, so that the overall strength of the fixing rings 4 and the limiting rings 5 is improved; all balls 3 all are located between two spacing rings 5, and spacing ring 5 is equipped with a plurality of spacing chambeies 51 that supply ball 3 to roll to inlay to establish towards one side of ball 3 for spacing ring 5 can support ball 3 spacing, so ball 3 will be difficult for breaking away from in recess 11 and the annular rolling groove 21, has improved the bulk strength of bearing.

The two limit rings 5 are locked and fixed together through the first bolt connecting pairs 52, so that the two limit rings 5 are connected into a whole to bear force, and the limit effect of the two limit rings 5 on the ball 3 is improved.

Sliding sleeve is equipped with first wear ring 6 on spacing ring 5, and first wear ring 6 passes through coupling assembling 7 releasable connection in spacing ring 5, and first wear ring 6 rotates to inlay and establishes in bearing inner race 2, and first wear ring 6 can support bearing inner race 2 to make spacing ring 5 be difficult for buckling, improved the bulk strength of bearing.

The cover is equipped with second wear ring 8 on first wear ring 6, and first wear ring 6 all is equipped with sealed annular 13 with second wear ring 8 integrated into one piece on the inner wall of bearing inner race 2 both ends department, and second wear ring 8 rotates to inlay and establishes at sealed annular 13 for two common centre gripping of second wear ring 8 have improved bearing inner race 2's stability in bearing inner race 2.

The two sealing ring grooves 13 respectively penetrate through two ends of the bearing outer ring 2, so that the second wear-resistant ring 8 can be separated from the sealing ring grooves 13 in a sliding manner, and the second wear-resistant ring 8 is not easy to influence the mounting and dismounting of the fixing ring 4 and the limiting ring 5 on the bearing inner ring 1; the fixed ring 4, the limiting ring 5, the first wear-resisting ring 6 and the second wear-resisting ring 8 are sealed in a gap between the bearing inner ring 1 and the bearing outer ring 2 together, so that external dust is not easy to contact with the balls 3, and the bearing outer ring 2 is guaranteed to normally rotate relative to the bearing inner ring 1.

The connecting assembly 7 comprises an embedded ring groove 71 arranged on the outer wall of the limiting ring 5 and a positioning ring 72 embedded in the embedded ring groove 71 in a sliding manner, the embedded ring groove 71 runs through one end of the limiting ring 5, the positioning ring 72 is fixedly embedded in the first wear-resistant ring 6 and integrally formed with the first wear-resistant ring 6, so that the first wear-resistant ring 6 and the second wear-resistant ring 8 can be taken down from the fixed ring 4 and the limiting ring 5, and the replacement of the first wear-resistant ring 6 and the second wear-resistant ring 8 and the replacement of the fixed ring 4 and the limiting ring 5 are facilitated.

The positioning ring 72 is connected to the limiting ring 5 through a plurality of second bolt connection pairs 73, so that the stability of the first wear-resistant ring 6 and the second wear-resistant ring 8 on the fixing ring 4 and the limiting ring 5 is ensured.

The implementation principle of the ceramic bearing based on the polishing forming process in the embodiment of the application is as follows: all balls 3 all are located between two spacing rings 5, and spacing ring 5 is equipped with a plurality of spacing chambeies 51 that supply ball 3 to roll to inlay to establish towards one side of ball 3 for spacing ring 5 can support ball 3 spacing, so ball 3 will be difficult for breaking away from in recess 11 and the annular rolling groove 21, has improved the bulk strength of bearing.

First wear ring 6 can support bearing inner race 2 to make spacing ring 5 be difficult for buckling, second wear ring 8 rotates to inlay and establishes at sealed annular 13, makes two common centre gripping of second wear ring 8 in bearing inner race 2, has further improved the bulk strength of bearing.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a ceramic bearing based on polishing forming process, includes bearing inner race (1), bearing outer race (2) and a plurality of ball (3), circumference is equipped with a plurality of recess (11) that correspond to ball (3) on the outer wall of bearing inner race (1), is equipped with annular rolling groove (21) that correspond to all recess (11) on the inner wall of bearing outer race (2), and ball (3) roll inlays to be established in annular rolling groove (21) and corresponding recess (11), its characterized in that: two ends of the bearing inner ring (1) are sleeved with fixing rings (4), and the fixing rings (4) are fixed on the bearing inner ring (1) through a plurality of locking bolts (41); the two fixing rings (4) are sleeved with limit rings (5), and all the balls (3) are positioned between the two limit rings (5); one side of the limiting ring (5) facing the ball (3) is provided with a plurality of limiting cavities (51) for the ball (3) to be embedded in a rolling manner, and the two limiting rings (5) are locked and fixed together through a plurality of first bolt connecting pairs (52).

2. The ceramic bearing based on the polishing forming process as claimed in claim 1, wherein: the outer wall of the two ends of the bearing inner ring (1) is provided with inserting ring grooves (12) for inserting the fixing rings (4), and the two inserting ring grooves (12) penetrate through the two ends of the bearing inner ring (1) respectively.

3. The ceramic bearing based on the polishing forming process as claimed in claim 1, wherein: the limiting ring (5) is provided with a first wear-resistant ring (6), and the first wear-resistant ring (6) is rotatably embedded in the bearing outer ring (2).

4. The ceramic bearing based on the polishing forming process as claimed in claim 3, wherein: the second wear-resistant ring (8) is sleeved on the first wear-resistant ring (6), sealing ring grooves (13) for the second wear-resistant ring (8) to be rotatably embedded are formed in the inner walls of the two ends of the bearing outer ring (2), and the two sealing ring grooves (13) penetrate through the two ends of the bearing outer ring (2) respectively.

5. The ceramic bearing based on the polishing forming process as claimed in claim 3, wherein: the first wear-resistant ring (6) is sleeved on the limiting ring (5) in a sliding mode and is detachably connected to the limiting ring (5) through the connecting component (7).

6. The ceramic bearing based on the polishing forming process as claimed in claim 5, wherein: coupling assembling (7) establish annular (71) and slip to inlay including locating on spacing ring (5) outer wall and establish holding ring (72) in inlaying establishing annular (71), inlay and establish annular (71) and run through in the one end of spacing ring (5), and holding ring (72) are fixed to be inlayed and are established in first wear-resisting ring (6) and connect in spacing ring (5) through a plurality of second bolted connection pairs (73).

7. The ceramic bearing based on the polishing forming process as claimed in claim 1, wherein: the bearing inner ring (1), the bearing outer ring (2) and the balls (3) are made of zirconia ceramic materials.

8. The ceramic bearing based on the polishing forming process as claimed in claim 1, wherein: the fixing ring (4) and the limiting ring (5) are integrally formed.