CN217558773U

CN217558773U - High-strength ceramic bearing based on hydraulic forming process

Info

Publication number: CN217558773U
Application number: CN202221081958.4U
Authority: CN
Inventors: 张志桂; 胡创业; 柯雄军; 徐薛蕊
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: 2022-10-11
Anticipated expiration: 2032-05-05

Abstract

The utility model belongs to the technical field of the technique of bearing and specifically relates to a high strength ceramic bearing based on hydroforming technology is related to, it includes the bearing inner circle, bearing inner race and a plurality of ball, circumference is equipped with a plurality of recesses that are corresponding to the ball on the outer wall of bearing inner circle, be equipped with the annular slot roll that is corresponding to all recesses on the inner wall of bearing inner race, the ball rolls and inlays to be established in annular slot roll and the recess that corresponds, the equal releasable connection in both ends of bearing inner circle has the seal assembly who is used for sealing the clearance between bearing inner circle and the bearing inner race, the ball is located between two sets of seal assembly, seal assembly has a plurality of supporting seats that are corresponding to the ball towards one side releasable connection of ball, one side of supporting seat orientation ball is equipped with the roll groove that supplies the ball to roll to inlay to establish. This application can improve the bulk strength of bearing.

Description

High-strength ceramic bearing based on hydraulic forming process

Technical Field

The application relates to the technical field of bearings, in particular to a high-strength ceramic bearing based on a hydraulic 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 overall strength of the bearing, the application provides a high-strength ceramic bearing based on a hydraulic forming process. The application provides a high strength ceramic bearing based on hydroforming technology adopts following technical scheme: the utility model provides a high strength ceramic bearing based on hydroforming technology, including the bearing inner race, bearing inner race and a plurality of ball, circumference is equipped with a plurality of recesses that correspond to the ball on the outer wall of bearing inner race, be equipped with the annular slot roll that corresponds to all recesses on the inner wall of bearing inner race, the ball rolls and inlays to be established in annular slot roll and the recess that corresponds, the equal releasable connection in both ends of bearing inner race has the seal assembly who is used for sealing the clearance between bearing inner race and the bearing inner race, the ball is located between two sets of seal assembly, one side releasable connection of seal assembly towards the ball has a plurality of supporting seats that correspond to the ball, one side of supporting seat towards the ball is equipped with and supplies the ball to roll and inlays the roll groove of establishing.

Optionally, the outer wall of the bearing inner ring is provided with two annular embedding grooves, and the two annular embedding grooves respectively penetrate through two ends of the bearing inner ring; the sealing assembly comprises a sealing ring for sealing a gap between the bearing inner ring and the bearing outer ring, and the inner side of the sealing ring is embedded in the annular embedding groove and is arranged on the bearing inner ring through a locking bolt. Optionally, one side of the sealing ring facing the ball is provided with a limiting ring, the groove wall of the annular embedding groove is provided with an annular limiting groove, and the limiting ring is embedded in the annular limiting groove in a sliding manner.

Optionally, two annular accommodating grooves are formed in the inner wall of the bearing outer ring, and the two annular accommodating grooves respectively penetrate through two ends of the bearing outer ring; the sealing ring is sleeved with a wear-resistant ring, and the wear-resistant ring is rotatably embedded in the annular accommodating groove. Optionally, an annular insertion groove is formed in the outer wall of the sealing ring, and penetrates through one end of the sealing ring; the wear-resisting ring is embedded with an inserting ring, the inserting ring is inserted in the annular inserting groove in a sliding mode, and the inserting ring is connected to the sealing ring through a plurality of bolt connecting pairs.

Optionally, a positioning ring is arranged at one end of the wear-resistant ring facing the ball, an annular positioning groove is arranged on a groove wall of the annular accommodating groove, and the positioning ring is rotatably embedded in the annular positioning groove.

Optionally, the supporting seat is connected to the sealing ring through a stud, the stud is installed on the supporting seat, and a plurality of thread grooves for threaded matching of the stud are circumferentially arranged on one side, facing the ball, of the sealing ring.

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

1. the ball is positioned between the two groups of sealing components, and the sealing components are sealed in the gap between the bearing inner ring and the bearing outer ring, so that external dust is not easy to contact with the ball, and the normal use of the bearing is ensured;

2. the inner side of the sealing ring is embedded in the annular embedding groove, the limiting ring is embedded in the annular limiting groove in a sliding mode, the wear-resistant ring is embedded in the annular accommodating groove in a rotating mode, and the positioning ring is embedded in the annular positioning groove in a rotating mode, so that the contact area of the sealing assembly with the bearing outer ring and the bearing inner ring is increased, the stability of the sealing assembly is improved, and the sealing effect of the sealing assembly on the gap between the bearing inner ring and the bearing outer ring is improved;

3. one side of supporting seat towards the ball is equipped with and supplies the ball to roll and inlay the roll groove of establishing, and two relative supporting seats carry on spacingly to the ball jointly for the bearing when receiving great axial impact force, the ball will be difficult for breaking away from in recess and annular roll groove, has improved the bulk strength of bearing.

Drawings

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

fig. 2 is a schematic sectional structure view of the whole in the embodiment of the present application.

Reference numerals: 1. a bearing inner race; 11. a groove; 12. a ring-shaped embedding groove is formed; 13. an annular limiting groove; 2. a bearing outer race; 21. an annular rolling groove; 22. an annular receiving groove; 23. an annular positioning groove; 3. a ball bearing; 4. a seal assembly; 41. a seal ring; 42. locking the bolt; 43. a limiting ring; 44. a wear ring; 45. a positioning ring; 46. an annular insertion groove; 47. a plug-in ring; 48. the bolt is connected to the pair; 49. a thread groove; 5. a supporting seat; 51. a rolling groove; 52. a stud.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a high-strength ceramic bearing based on a hydraulic forming process. As shown in fig. 1 and 2, a high-strength ceramic bearing based on a hydroforming process comprises a bearing inner ring 1, a bearing outer ring 2 and a plurality of balls 3, wherein the bearing inner ring 1 and the bearing outer ring 2 are hydroformed, a plurality of grooves 11 corresponding to the balls 3 are circumferentially arranged on the outer wall of the bearing inner ring 1, annular rolling grooves 21 corresponding to all the grooves 11 are formed in the inner wall of the bearing outer ring 2, the balls 3 are embedded in the annular rolling grooves 21 and the corresponding grooves 11 in a rolling manner, and the balls 3 are made of silicon nitride or zirconium oxide, so that the balls 3 are not easily abraded, and the service life of the bearing is prolonged.

The equal releasable connection in both ends of bearing inner race 1 has seal assembly 4, and ball 3 is located between two sets of seal assembly 4, and seal assembly 4 seals the clearance between bearing inner race 1 and bearing inner race 2 for outside dust is difficult for contacting with ball 3, has guaranteed the normal use of bearing.

The outer wall of the bearing inner ring 1 is provided with two annular embedding grooves 12, and the two annular embedding grooves 12 respectively penetrate through two ends of the bearing inner ring 1; the sealing assembly 4 comprises a sealing ring 41, the sealing ring 41 is used for sealing a gap between the bearing inner ring 1 and the bearing outer ring 2, the inner side of the sealing ring 41 is embedded in the annular embedding groove 12 and is installed on the bearing inner ring 1 through a plurality of locking bolts 42, and the stability of the sealing ring 41 on the bearing inner ring 1 is ensured. One side integrated into one piece that sealing ring 41 faced ball 3 is equipped with annular spacing groove 13 towards limiting ring 43, and the annular inlays to be equipped with annular spacing groove 13 on the cell wall of establishing groove 12, and limiting ring 43 slides and inlays and establish in annular spacing groove 13, has improved seal assembly 4 and bearing inner race 1's area of contact, has improved seal assembly 4 stability and seal assembly 4 the sealed effect to the clearance between bearing inner race 1 and the bearing inner race 2 on bearing inner race 1.

Be equipped with two annulars on the inner wall of bearing inner race 2 and accomodate groove 22, two annulars are accomodate groove 22 and are run through respectively in the both ends of bearing inner race 2, and the cover is equipped with wear ring 44 on the sealing ring 41, and wear ring 44 rotates to inlay and establishes in the annular groove 22 of accomodating, has improved the sealed effect in sealed subassembly 4 to the clearance between bearing inner race 1 and the bearing inner race 2. One end integrated into one piece that wear ring 44 was towards ball 3 has holding ring 45, is equipped with annular positioning groove 23 on the cell wall of annular storage groove 22, and holding ring 45 rotates to inlay establishes in annular positioning groove 23, has improved seal assembly 4 and bearing inner race 2's area of contact, has improved seal assembly 4 stability on bearing inner race 2 and seal assembly 4 to the sealed effect in the clearance between bearing inner race 1 and the bearing inner race 2.

Be equipped with annular inserting groove 46 on the outer wall of sealing ring 41, annular inserting groove 46 runs through in sealing ring 41 towards the one end of ball 3, and the embedded inserting ring 47 that is equipped with of wear-resisting ring 44, inserting ring 47 slide and peg graft in annular inserting groove 46, and inserting ring 47 connects in sealing ring 41 through a plurality of bolted connection pairs 48 to wear-resisting ring 44 and the dismouting of holding ring 45 on sealing ring 41 have been made things convenient for.

Sealing assembly 4 towards one side releasable connection of ball 3 has a plurality of supporting seats 5 that correspond to ball 3, and supporting seat 5 is equipped with towards one side of ball 3 and supplies ball 3 to roll and inlay the roll groove 51 of establishing, and two relative supporting seats 5 carry on spacingly to ball 3 jointly for when the bearing received great axial impact force, ball 3 will be difficult for breaking away from in recess 11 and annular roll groove 21, has improved the bulk strength of bearing.

The support seat 5 is connected to the seal ring 41 through the stud 52, the stud 52 is installed on one side of the support seat 5 far away from the ball 3, a plurality of thread grooves 49 for threaded matching of the stud 52 are circumferentially arranged on one side of the seal ring 41 facing the ball 3, and the stud 52 is matched with the thread grooves 49, so that the support seat 5 is convenient to disassemble and assemble on the seal ring 41. The implementation principle of the high-strength ceramic bearing based on the hydraulic forming process is as follows: the ball 3 is positioned between the two groups of sealing components 4, and the sealing components 4 are sealed in the gap between the bearing inner ring 1 and the bearing outer ring 2, so that external dust is not easy to contact with the ball 3, and the normal use of the bearing is ensured; one side of supporting seat 5 towards ball 3 is equipped with and supplies ball 3 to roll to inlay the roll groove 51 of establishing, and two relative supporting seats 5 carry on spacingly to ball 3 jointly for when the bearing received great axial impact force, ball 3 will be difficult for breaking away from in recess 11 and annular roll groove 21, has improved the bulk strength of bearing.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, 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 high strength ceramic bearing based on hydroforming technology, 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: the equal releasable connection in both ends of bearing inner race (1) has seal assembly (4) that are used for sealing clearance between bearing inner race (1) and bearing outer race (2), and ball (3) are located between two sets of seal assembly (4), and seal assembly (4) are towards one side releasable connection of ball (3) has a plurality of supporting seats (5) corresponding to ball (3), and supporting seat (5) are equipped with towards one side of ball (3) and supply ball (3) to roll and inlay roll groove (51) of establishing.

2. The high-strength ceramic bearing based on the hydroforming process according to claim 1, wherein: the outer wall of the bearing inner ring (1) is provided with two annular embedding grooves (12), and the two annular embedding grooves (12) respectively penetrate through two ends of the bearing inner ring (1); the sealing assembly (4) comprises a sealing ring (41) used for sealing a gap between the bearing inner ring (1) and the bearing outer ring (2), and the inner side of the sealing ring (41) is embedded in the annular embedding groove (12) and is installed on the bearing inner ring (1) through a locking bolt (42).

3. The high-strength ceramic bearing based on the hydroforming process according to claim 2, wherein: one side of the sealing ring (41) facing the ball (3) is provided with a limiting ring (43), the annular groove wall of the groove (12) is provided with an annular limiting groove (13), and the limiting ring (43) is embedded in the annular limiting groove (13) in a sliding manner.

4. The high-strength ceramic bearing based on the hydroforming process according to claim 2, wherein: the inner wall of the bearing outer ring (2) is provided with two annular accommodating grooves (22), and the two annular accommodating grooves (22) respectively penetrate through two ends of the bearing outer ring (2); the sealing ring (41) is sleeved with a wear-resistant ring (44), and the wear-resistant ring (44) is rotatably embedded in the annular accommodating groove (22).

5. The high-strength ceramic bearing based on the hydroforming process according to claim 4, wherein: an annular insertion groove (46) is formed in the outer wall of the sealing ring (41), and the annular insertion groove (46) penetrates through one end of the sealing ring (41); an inserting ring (47) is embedded in the wear-resisting ring (44), the inserting ring (47) is inserted in the annular inserting groove (46) in a sliding mode, and the inserting ring (47) is connected to the sealing ring (41) through a plurality of bolt connecting pairs (48).

6. The high-strength ceramic bearing based on the hydroforming process according to claim 4, wherein: one end of the wear-resistant ring (44) facing the ball (3) is provided with a positioning ring (45), the wall of the annular accommodating groove (22) is provided with an annular positioning groove (23), and the positioning ring (45) is rotatably embedded in the annular positioning groove (23).

7. The high-strength ceramic bearing based on the hydroforming process according to claim 1, wherein: the supporting seat (5) is connected to the sealing ring (41) through the stud (52), the stud (52) is installed on the supporting seat (5), and a plurality of thread grooves (49) for the stud (52) to be in thread fit are formed in the circumferential direction of one side, facing the ball (3), of the sealing ring (41).