CN214036506U - High-precision graphite lubricating bearing - Google Patents

Abstract

The utility model relates to a high-precision graphite lubricating bearing, belonging to the bearing field, which adopts a circular outer ring, an annular groove is arranged on the inner wall of the outer ring, a circular positioning ring is arranged in the groove, rectangular positioning holes are longitudinally and uniformly arranged on the positioning ring, a cylindrical roller is arranged in each positioning hole, a circular inner ring is arranged in the positioning ring, a circular retainer ring is arranged outside one end of the inner ring, when the graphite lubricating bearing is arranged in the bearing seat, the main shaft drives the inner ring to rotate, the inner ring drives the roller to rotatably roll in the groove in the outer ring, the roller pushes the locating ring to synchronously rotate while rolling, the locating ring rubs and lubricates the roller while rotating, and the roller lubricates and transfers graphite powder to the groove in the outer ring and the surface of the inner ring to lubricate.

Description

High-precision graphite lubricating bearing

Technical Field

The utility model relates to a high accuracy graphite lubrication bearing belongs to the bearing field, and in particular to adopts and does not have oily bearing through graphite lubrication.

Background

Bearings, carriers for mechanical rotating parts, are usually linear bearings, flat bearings, roller bearings, needle bearings. However, the bearings need to be lubricated by lubricating oil, and if the bearings are used in medical instruments capable of entering human bodies or directly go deep into food processing raw materials, the lubricating oil will certainly have certain influence on the human bodies or the food. Therefore, a bearing having high accuracy and not using lubricating oil is required to replace the conventional bearing.

Disclosure of Invention

The high-precision graphite lubricating bearing of the utility model overcomes the difficulties, adopts the circular outer ring, an annular groove is arranged on the inner wall of the outer ring, a circular positioning ring is arranged in the groove, rectangular positioning holes are longitudinally and uniformly arranged on the positioning ring, a cylindrical roller is arranged in each positioning hole, a circular inner ring is arranged in the positioning ring, a circular retainer ring is arranged outside one end of the inner ring, when the graphite lubricating bearing is arranged in the bearing seat, the main shaft drives the inner ring to rotate, the inner ring drives the roller to rotatably roll in the groove in the outer ring, the roller pushes the locating ring to synchronously rotate while rolling, the locating ring rubs and lubricates the roller while rotating, and the roller lubricates and transfers graphite powder to the groove in the outer ring and the surface of the inner ring to lubricate.

A high-precision graphite lubrication bearing is characterized by comprising an outer ring, a positioning ring, a roller and an inner ring;

the outer ring is in a steel circular ring shape, and a circular groove is arranged on the inner wall of the outer ring;

the positioning ring is a ring made of graphite and is arranged in the outer ring, rectangular positioning holes are longitudinally and uniformly arranged on the side wall of the positioning ring, a steel cylindrical roller is arranged in each positioning hole, the diameter of each roller is twice of the wall thickness of the positioning ring, and the surfaces of all rollers extending to the outside of the positioning ring are attached to grooves on the inner wall of the outer ring;

the inner ring is in a steel ring shape and is arranged in the positioning ring, a ring-shaped check ring is arranged behind the outer edge of the inner ring in an outward extending mode, and the surface of the inner ring is attached to the surfaces of all rollers extending into the positioning ring.

Has the advantages that: the existing bearings need to be lubricated by lubricating oil, and if the bearings are used in medical instruments capable of entering human bodies or directly go deep into food processing raw materials, the lubricating oil will certainly affect the human bodies or the food. A high-precision graphite lubricating bearing overcomes the difficulties, when the graphite lubricating bearing is installed in a bearing seat, a main shaft drives an inner ring to rotate, the inner ring drives a roller to rotatably roll in a groove in an outer ring, the roller pushes a locating ring to synchronously rotate while rolling, the locating ring rubs and lubricates the roller while rotating, and the roller lubricates the groove in the outer ring and the surface of the inner ring by transferring graphite powder to the groove after being lubricated.

Drawings

FIG. 1 is a front view of a high precision graphite lubricated bearing;

FIG. 2 is a schematic structural view of an outer ring;

FIG. 3 is a schematic structural view of a cage and a roller;

FIG. 4 is a schematic structural view of an inner ring;

the reference numbers in the above figures are outer ring 1, positioning ring 2, rollers 3, inner ring 4.

Detailed Description

The shape and structure of the present invention will be described in detail with reference to the accompanying drawings and the reference numerals:

a high-precision graphite lubrication bearing is characterized by comprising an outer ring 1, a positioning ring 2, a roller 3 and an inner ring 4;

the outer ring 1 is a steel ring, and a ring-shaped groove is formed in the inner wall of the outer ring;

the positioning ring 2 is a ring made of graphite and is arranged inside the outer ring 1, rectangular positioning holes are longitudinally and uniformly arranged on the side wall of the positioning ring 2, a steel cylindrical roller 3 is arranged inside each positioning hole, the diameter of each roller 3 is twice of the wall thickness of the positioning ring 2, and the surfaces of all the rollers 3 extending to the outside of the positioning ring 2 are attached to grooves on the inner wall of the outer ring 1;

the inner ring 4 is in a steel annular shape and is arranged inside the locating ring 2, an annular retainer ring is arranged in the rear direction of the outer edge of the inner ring 4 in an extending mode, and the surface of the inner ring 4 is attached to the surfaces of all the rollers 3 extending into the locating ring 2.

When the high-precision graphite lubricating bearing is used, a worker selects the matched high-precision graphite lubricating bearing according to the diameter of a main shaft, then the high-precision graphite lubricating bearing is installed at the corresponding position of the main shaft by using a special fixture and a press machine, then the main shaft is moved to install the graphite lubricating bearing in a bearing seat, other parts of a main machine are debugged, a power supply is started after safety is ensured, at the moment, the main shaft drives an inner ring to rotate, the inner ring drives a roller to rotatably roll in a groove in an outer ring, the roller pushes a locating ring to synchronously rotate while rolling, the locating ring rubs with the roller while lubricating the roller during rotation, graphite powder is transferred to the groove in the outer ring and the surface of the inner ring to lubricate the roller after the roller is lubricated.

The above-mentioned non-detailed description is prior art.

The foregoing is merely a general disclosure of the invention and is not intended to limit the invention in any way; those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the invention as defined by the appended claims.

Claims (1)

1. A high-precision graphite lubrication bearing is characterized by comprising an outer ring, a positioning ring, a roller and an inner ring;

the outer ring is in a steel circular ring shape, and a circular groove is arranged on the inner wall of the outer ring;

the positioning ring is a ring made of graphite and is arranged in the outer ring, rectangular positioning holes are longitudinally and uniformly arranged on the side wall of the positioning ring, a steel cylindrical roller is arranged in each positioning hole, the diameter of each roller is twice of the wall thickness of the positioning ring, and the surfaces of all rollers extending to the outside of the positioning ring are attached to grooves on the inner wall of the outer ring;

the inner ring is in a steel ring shape and is arranged in the positioning ring, a ring-shaped check ring is arranged behind the outer edge of the inner ring in an outward extending mode, and the surface of the inner ring is attached to the surfaces of all rollers extending into the positioning ring.

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