CN114198394A

CN114198394A - Bearing made of CBN material

Info

Publication number: CN114198394A
Application number: CN202111510549.1A
Authority: CN
Inventors: 何元琼; 杨安均
Original assignee: Sichuan Xiongchen Technology Co ltd
Current assignee: Sichuan Xiongchen Technology Co ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-03-18

Abstract

The invention discloses a bearing made of CBN materials, which comprises an inner ring, wherein a first limiting groove is formed in the inner ring, a first wear-resistant block is arranged in the first limiting groove, a second mounting hole is formed in the inner ring, an outer ring is sleeved on the inner ring, external threads are symmetrically arranged on the outer ring, a first bearing ring is symmetrically and rotatably connected to the outer ring through the external threads, a second round hole is formed in the outer wall of the first bearing ring, two ends of the outer ring are rotatably connected with a second bearing ring through the external threads, a third limiting groove is formed in one side of the second bearing ring, and a third wear-resistant block is arranged in the third limiting groove; the invention is safe and reliable, the heat resistance of the CBN material wear-resistant block is 1100 ℃, the hardness is more than thirty times of that of hard alloy, the wear resistance is better, the impact toughness is twice of that of diamond, and because of the better wear resistance, hardness and impact toughness of the CBN material wear-resistant block, when the CBN material wear-resistant block is used as the wear-resistant block, the bearing safety is better, and the use requirement of high mechanical strength can be met.

Description

Bearing made of CBN material

Technical Field

The invention relates to the technical field of bearings, in particular to a CBN bearing.

Background

The bearing is used as an important part in mechanical equipment and is mainly used for reducing the friction coefficient of mechanical movement, so that certain requirements are made on the use of the bearing in the market; however, the existing bearing inner wear-resistant block is poor in heat resistance, wear resistance and impact toughness, cannot meet the mechanical high-strength use requirement, and cubic boron carbide is good in mechanical property and can be used for the bearing wear-resistant block structure; therefore, it is necessary to invent a bearing made of CBN material.

Disclosure of Invention

The invention aims to provide a CBN bearing to solve the problem that the existing wear-resistant block is poor in heat resistance, wear resistance and impact toughness in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a bearing of CBN material, includes the inner circle, the first spacing groove has been seted up on the inner circle, and first wear-resisting piece is provided with in the first spacing groove, has seted up the second mounting hole on the inner circle, has cup jointed the outer lane on the inner circle, and the symmetry is provided with the external screw thread on the outer lane, rotates through the external screw thread symmetry on the outer lane and is connected with first bearing ring, has seted up the second round hole on the outer wall of first bearing ring, and the second bearing ring has all been cup jointed on the bottom of inner circle and the top of outer lane, and the third spacing groove has been seted up to one side of second bearing ring, and the third spacing inslot is provided with the wear-resisting piece of third.

Preferably, the bottom end of the inner ring is provided with a mounting flange, a first mounting hole is formed in the mounting flange, a second bearing ring at the bottom end of the inner ring is fixedly connected with the mounting flange through the first mounting hole, and a second bearing ring at the top end of the outer ring is rotatably connected with the outer ring through external threads.

Preferably, the outer ring is provided with a first round hole.

Preferably, the inner wall of the first bearing ring is provided with a first internal thread.

Preferably, a second limiting groove is formed in the inner wall of the outer ring, and a second wear-resistant block is arranged in the second limiting groove.

Preferably, the inner wall of the second bearing ring is provided with a second internal thread.

Compared with the prior art, the invention has the beneficial effects that: the invention is safe and reliable, the heat resistance of the CBN material wear-resistant block is 1100 ℃, the hardness is more than thirty times of that of hard alloy, the wear resistance is better, the impact toughness is twice of that of diamond, and because of the better wear resistance, hardness and impact toughness of the CBN material wear-resistant block, when the CBN material wear-resistant block is used as the wear-resistant block, the bearing safety is better, and the use requirement of high mechanical strength can be met.

Drawings

FIG. 1 is a schematic overall perspective view of the present invention;

FIG. 2 is a schematic overall exploded perspective view of the present invention;

FIGS. 3-4 are schematic perspective views of the outer ring of the present invention;

FIG. 5 is a schematic perspective view of a first bearing ring according to the present invention;

FIG. 6 is a schematic perspective view of a second bearing ring according to the present invention;

FIG. 7 is a schematic perspective view of the inner ring of the present invention;

in the figure: 1. an inner ring; 2. an outer ring; 3. installing a flange; 4. a first mounting hole; 5. a first limit groove; 6. a first wear block; 7. a second mounting hole; 8. a first circular hole; 9. an external thread; 10. a first bearing ring; 11. a second circular hole; 12. a first internal thread; 13. a second limit groove; 14. a second wear block; 15. a second bearing ring; 16. a second internal thread; 17. a third limiting groove; 18. and a third wear-resistant block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, an embodiment of the present invention is shown: a bearing made of CBN materials comprises an inner ring 1, wherein a first limiting groove 5 is formed in the inner ring 1, a first wear-resistant block 6 is arranged in the first limiting groove 5, a second mounting hole 7 is formed in the inner ring 1, an outer ring 2 is sleeved on the inner ring 1, external threads 9 are symmetrically arranged on the outer ring 2, a first bearing ring 10 is symmetrically and rotatably connected to the outer ring 2 through the external threads 9, a second round hole 11 is formed in the outer wall of the first bearing ring 10, a second bearing ring 15 is sleeved on the bottom end of the inner ring 1 and the top end of the outer ring 2, a third limiting groove 17 is formed in one side of the second bearing ring 15, and a third wear-resistant block 18 is arranged in the third limiting groove 17; the bottom end of the inner ring 1 is provided with an installation flange 3, a first installation hole 4 is formed in the installation flange 3, a second bearing ring 15 on the bottom end of the inner ring 1 is fixedly connected with the installation flange 3 through the first installation hole 4, and the second bearing ring 15 on the top end of the outer ring 2 is rotatably connected with the outer ring 2 through external threads 9; the outer ring 2 is provided with a first round hole 8; a first internal thread 12 is arranged on the inner wall of the first bearing ring 10; a second limiting groove 13 is formed in the inner wall of the outer ring 2, and a second wear-resistant block 14 is arranged in the second limiting groove 13; the inner wall of the second bearing ring 15 is provided with a second internal thread 16.

The working principle is as follows: the first wear-resistant block 6, the second wear-resistant block 14 and the third wear-resistant block 18 are all made of CBN materials, the heat resistance is 1100 ℃, the heat resistance is better, the hardness of the CBN materials is more than thirty times that of hard alloy, the CBN materials have better wear resistance, and the impact toughness is two times that of diamond, because of the better wear resistance, hardness and impact toughness of the CBN materials, when the wear-resistant diamond wear-resistant, and then, respectively installing a plurality of first wear-resisting blocks 6 on the inner ring 1, and sleeving the outer ring 2 on the inner ring 1 to finish the assembly of the CBN bearing.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a bearing of CBN material, includes inner circle (1), its characterized in that: the wear-resistant bearing is characterized in that a first limiting groove (5) is formed in the inner ring (1), a first wear-resistant block (6) is arranged in the first limiting groove (5), a second mounting hole (7) is formed in the inner ring (1), the outer ring (2) is sleeved on the inner ring (1), external threads (9) are symmetrically arranged on the outer ring (2), a first bearing ring (10) is connected to the outer ring (2) in a symmetrical and rotating mode through the external threads (9), a second round hole (11) is formed in the outer wall of the first bearing ring (10), a second bearing ring (15) is sleeved on the bottom end of the inner ring (1) and the top end of the outer ring (2), a third limiting groove (17) is formed in one side of the second bearing ring (15), and a third wear-resistant block (18) is arranged in the third limiting groove (17).

2. The CBN bearing as claimed in claim 1, wherein: the bottom of inner circle (1) is provided with mounting flange (3), has seted up first mounting hole (4) on mounting flange (3), and second bearing ring (15) on inner circle (1) bottom are through first mounting hole (4) and mounting flange (3) fixed connection, and second bearing ring (15) on outer lane (2) top are connected with outer lane (2) rotation through external screw thread (9).

3. The CBN bearing as claimed in claim 1, wherein: the outer ring (2) is provided with a first round hole (8).

4. The CBN bearing as claimed in claim 1, wherein: the inner wall of the first bearing ring (10) is provided with a first internal thread (12).

5. The CBN bearing as claimed in claim 4, wherein: and a second limiting groove (13) is formed in the inner wall of the outer ring (2), and a second wear-resistant block (14) is arranged in the second limiting groove (13).

6. The CBN bearing as claimed in claim 1, wherein: and a second internal thread (16) is formed on the inner wall of the second bearing ring (15).