CN211574046U

CN211574046U - Deep groove ball bearing of electric riveting phenolic aldehyde frame

Info

Publication number: CN211574046U
Application number: CN202020146704.0U
Authority: CN
Inventors: 李锦红; 张利; 张海军; 任子晶; 李英涛; 马德峰; 刘伟; 杨超
Original assignee: HARBIN XINHA PRECISION BEARING STOCK CO Ltd
Current assignee: HARBIN XINHA PRECISION BEARING STOCK CO Ltd
Priority date: 2020-01-23
Filing date: 2020-01-23
Publication date: 2020-09-25
Anticipated expiration: 2030-01-23

Abstract

The utility model provides a deep groove ball bearing of electric riveting phenolic aldehyde frame. The bearing steel outer ring and a mechanized equipment shaft are assembled together to bear partial radial force and axial force, the rolling bodies enable the inner ring, the outer ring and the retainer of the bearing to rotate simultaneously, and rivet holes are symmetrically and uniformly arranged at the left and right positions of the pocket holes on the left half retainer of the phenolic bakelite pipe-JB 4037 and the right half retainer of the phenolic bakelite pipe-JB 4037 and are electrically riveted together through the round head long rivets. The utility model has the advantages of can improve speed performance, reinforcing operation precision, improve system rigidity, reduce heat generation, noise reduction and vibration.

Description

Deep groove ball bearing of electric riveting phenolic aldehyde frame

Technical Field

The utility model relates to a mechanized equipment field, concretely relates to deep groove ball bearing of electric riveting phenolic aldehyde frame.

Background

Deep groove ball bearing products of domestic and external electric riveting phenolic frames do not exist, trial production is tried by a domestic bearing factory, and the deep groove ball bearing products cannot be successfully manufactured, various performance indexes of the current domestic production and manufacture cannot meet the requirements, and particularly, electric riveting is adopted after drilling holes on the end face of a phenolic retainer, so that the problem is particularly difficult; the poor riveting is easy to cause burning traces to remain on the two end faces of the retainer, thereby not only influencing the service life of the bearing, but also causing the appearance quality of the bearing to be unqualified, and presenting the phenomena of easy ball clamping, inflexible rotation, fracture of the retainer and the like.

Disclosure of Invention

An object of the utility model is to provide a can improve speed performance, reinforcing operation precision, improve system rigidity, reduce heat generation, noise reduction and the electric riveting phenolic aldehyde frame's of vibration deep groove ball bearing.

The purpose of the utility model is realized like this: the bearing steel outer ring comprises a bearing steel outer ring 1, a bearing steel inner ring 2, a bearing steel rolling body 4, a phenolic bakelite tube-JB 4037 left half retainer 16, a phenolic bakelite tube-JB 4037 right half retainer 66 and round head long rivets 9, wherein the bearing steel outer ring 1 is installed and matched with a mechanical equipment shell to bear radial load, the bearing steel inner ring 2 and a mechanical equipment rotating shaft are installed and assembled together to bear partial radial force and axial force, the rolling body enables the inner ring, the outer ring and the retainers of the bearing to rotate simultaneously, rivet holes are symmetrically and uniformly arranged at the left and right positions of the pocket holes on the phenolic bakelite tube-JB 4037 left half retainer 16 and the phenolic bakelite tube-JB 4037 right half retainer 66 and are electrically riveted together through the round head long rivets 9, no gap exists after the phenolic bakelite tube-JB 4037 left half retainer 16 and the phenolic bakelite tube-JB 4037 right half retainer 66 are electrically riveted, and the diameter of the round head long rivets 9 is that the phenolic bakelite tube-JB-4037 left half retainer 16 and the round head retainer 9 are, And 1/3 the beam width of the phenolic bakelite pipe-JB 4037 right half holder 66.

The utility model discloses there are some technical characterstic as such yet:

1. the bearing steel outer ring 1 and the bearing steel inner ring 2 adopt a large-groove curvature structure, and the clearance is large;

2. and grease layers are arranged on the outer sides of the left half retainer 16 of the phenolic bakelite pipe-JB 4037 and the right half retainer 66 of the phenolic bakelite pipe-JB 4037.

The utility model optimizes the whole bearing; the bearing steel outer ring 1 and the bearing steel inner ring 2 are made of high-quality steel materials, the structure is special in groove curvature, the rolling bodies are made of high-quality steel materials, the retainer material is made of phenolic bakelite tubes-JB 4037 (greater than 100 yarns), and high-low temperature grease lubrication and self-lubrication are realized; the bearing capacity is large, the speed performance is good, the impact resistance is strong, the rigidity is strong, and the service life is long. The structure has the advantages of high limit revolution and the like; tolerance grades of P4 and P2 of the high-quality bearing steel rolling body, and the limit value standard reaches Z3 and V4; the structural design is optimized, the bearing ring conforms to ISO19 and ISO10 series of size standards, the high-quality steel bearing ring has large groove curvature, the retainer is made of a phenolic bakelite pipe-JB 4037 (larger than 100 yarns), and for impact-resistant large deep groove ball bearings, the rolling bodies and the retainer are required to be tightly matched, riveting is required to be proper, double-thread edge riveting cannot be performed, rivets cannot be loosened in rivet holes, burning marks cannot exist, the limit revolution is high, rigidity is good, low vibration and noise are realized, rotation precision is high, friction is small, load is large, impact resistance is realized, installation is convenient, and cost is low.

Drawings

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

FIG. 2 is a schematic structural diagram of a left half retainer of a phenolic bakelite pipe-JB 4037 and a right half retainer of the phenolic bakelite pipe-JB 4037;

FIG. 3 is a cross-sectional view of FIG. 2;

fig. 4 is a partially enlarged view of fig. 3.

Detailed Description

The invention will be further described with reference to the accompanying drawings:

referring to fig. 1-4, the present embodiment includes a bearing steel outer ring 1, a bearing steel inner ring 2, a bearing steel rolling element 4, a phenolic bakelite tube-JB 4037 left half cage 16, a phenolic bakelite tube-JB 4037 right half cage 66 and a round head long rivet 9, the bearing steel outer ring 1 and a housing of a mechanized equipment are installed and matched to bear radial load, the bearing steel inner ring 2 and the shaft of the mechanized equipment are installed and assembled together to bear partial radial force and axial force, the rolling element enables the inner ring, the outer ring and the cage of the bearing to rotate simultaneously, the left half cage 16 of the phenolic bakelite tube-JB 4037 and the right half cage 66 of the phenolic bakelite tube-4037 are symmetrically and uniformly provided with rivet holes at left and right positions, and are electrically riveted together by the round head long rivet 9, the left half cage 16 of the phenolic bakelite tube-JB 4037, the right half cage 4037 and the JB4037 are electrically riveted without gaps, the diameter of the round head long rivet 9 is 1/3 of the beam width of the left half retainer 16 of the phenolic bakelite pipe-JB 4037 and the right half retainer 66 of the phenolic bakelite pipe-JB 4037. The bearing steel outer ring 1 and the bearing steel inner ring 2 adopt a large-groove curvature structure, and the clearance is large; and grease layers are arranged on the outer sides of the left half retainer 16 of the phenolic bakelite pipe-JB 4037 and the right half retainer 66 of the phenolic bakelite pipe-JB 4037.

The application effect of the embodiment is as follows:

1) the rolling body made of high-quality bearing steel material is corrosion-resistant, self-lubricating, long in service life, high in bearing capacity and high in rigidity; 2) the tolerance grades of P4 and P2 can ensure that the bearing has good running precision and short running-in time; 3) the structural design is optimized to facilitate installation; 4) conform to ISO19 and ISO10 size series standards, have compact cross-sectional areas; 5) the bearing steel sleeve prolongs the service life of the bearing and has excellent corrosion resistance; 6) large groove curvatures have high speed performance; 7) the large clearance can save the installation time; 8) the shape of the roller path is closely related to the action of centrifugal force, and the flowing and backfilling of a lubricating medium are under the action of the centrifugal force and surface tension, so that the maintenance of the bearing is reduced, and the oil lubrication is optimized; 9) the bearing size is wide, and the series can bear radial load; 10) the phenolic bakelite tube-JB 4037 (greater than 100 yarns) cage is suitable for products with medium and large sizes, the pocket and the ball are tightly matched, and the working temperature is up to 140 ℃; 11) the optimized retainer can provide good lubrication for the contact area of the ball-shaped rolling body raceway after the guide clearance is optimized.

Claims

1. The deep groove ball bearing of the electric riveting phenolic aldehyde frame is characterized by comprising a bearing steel outer ring, a bearing steel inner ring, a bearing steel rolling body, a phenolic bakelite tube-JB 4037 left half retainer, a phenolic bakelite tube-JB 4037 right half retainer and a round head long rivet, wherein the bearing steel outer ring is installed and matched with a mechanical equipment shell to bear radial load, the bearing steel inner ring and a mechanical equipment rotating shaft are assembled together to bear partial radial force and axial force, the rolling body enables the inner ring, the outer ring and the retainer of the bearing to rotate simultaneously, rivet holes are symmetrically and uniformly arranged at the left and right positions of the pocket holes on the phenolic bakelite tube-JB 4037 left half retainer and the phenolic bakelite tube-JB 4037 right half retainer, the rivet holes are electrically riveted together through the round head long rivet, the phenolic bakelite tube-JB 4037 left half retainer and the phenolic tube-JB 4037 right half retainer do not have gaps after being electrically riveted, and the diameter of the round head long rivet is equal to that the phenolic bakelite tube-JB 4037 left half retainer and the round head long rivet, And 1/3 the beam width of the phenolic bakelite pipe-JB 4037 right half holder.

2. The deep groove ball bearing of the electric riveting phenolic frame as claimed in claim 1, wherein the bearing steel outer ring and the bearing steel inner ring adopt a large groove curvature structure, and the play is large.

3. The deep groove ball bearing of the electric riveting phenolic frame as claimed in claim 1 or 2, wherein the outer sides of the left half retainer of the phenolic bakelite pipe-JB 4037 and the right half retainer of the phenolic bakelite pipe-JB 4037 are provided with grease layers.