CN213010406U

CN213010406U - Carrier roller

Info

Publication number: CN213010406U
Application number: CN202020946373.9U
Authority: CN
Inventors: 王辰; 王洪涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-04-20
Anticipated expiration: 2030-05-29

Abstract

The utility model relates to a technical field of bearing roller especially relates to a bearing roller, the magnetic fluid sealing device who sets up between the both ends and the bearing roller axle of including bearing roller body, bearing roller axle and bearing roller body, the stagnant water mouth at the both ends of bearing roller body in all be provided with the bearing frame, magnetic fluid sealing device including set up at the epaxial utmost point tooth one of bearing roller, the symmetry sets up two pole shoes at an utmost point tooth both ends, cover dustcoat outside two pole shoes, set gradually permanent magnet and magnetic fluid between two pole shoes from outside to inside and match the bearing of installing between bearing frame and bearing roller axle. The utility model discloses simple structure, reasonable in design, the shaft shoulder provides powerful pretightning force and accurate positioning to the bearing, and magnetic fluid sealing device can be effectual waterproof, dustproof to have extremely low resistance, the shield inboard is provided with the waterproof layer, the waterproof layer be ethylene propylene diene monomer rubber, can be waterproof when dirt-proof, great improvement the life of bearing roller.

Description

Carrier roller

Technical Field

The utility model relates to a technical field of bearing roller especially relates to a bearing roller.

Background

In the transportation process of industrial production, belt transportation is often adopted to improve the transportation capacity, ensure the continuity of production and reduce the production cost. The carrier roller is an important component of a belt conveyor, and the service life of the carrier roller directly influences the maintenance cost and the operation cost of the belt conveyor in the operation process of the whole belt conveyor. The service life of the carrier roller directly influences the maintenance cost and the operation cost of the belt conveyor. The improvement of the service life of the carrier roller is the key for improving the service life of the belt conveyor and reducing the comprehensive cost, and the main factor of the service life of the carrier roller depends on the service life of the bearing. In the normal bearing use process, the service life of the bearing is different from the theoretical service life, the operating conditions are different, and the service life of the bearing is greatly different. How to improve the life of bearing roller, solve the operational environment of bearing at first, guarantee that the bearing has good sealing performance.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem and providing a magnetic fluid sealed carrier roller with waterproof, dustproof and extremely low resistance.

In order to solve the above problem, the utility model discloses the technical scheme who takes is:

a carrier roller comprises a carrier roller body, a carrier roller shaft and magnetic fluid sealing devices arranged between two ends of the carrier roller body and the carrier roller shaft, wherein bearing seats are arranged in water stopping ports at two ends of the carrier roller body, each magnetic fluid sealing device comprises a first pole tooth arranged on the carrier roller shaft, two pole shoes symmetrically arranged at two ends of the first pole tooth, an outer cover covering the two pole shoes, a permanent magnet and a magnetic fluid which are sequentially arranged between the two pole shoes from outside to inside and a bearing installed between the bearing seats and the carrier roller shaft in a matching mode, the magnetic fluid is filled between the two pole shoes, the first pole tooth and the permanent magnet, a second pole tooth matched with the first pole tooth is arranged on the inner wall of each pole shoe, the bearing is located between the outer cover and the bearing seats, and a spigot used for positioning the inner section of the bearing seats is arranged on the carrier roller body.

A dust cover is arranged between the water stop port of the carrier roller pipe body and the carrier roller, and a soft metal sealing water stop belt is arranged between the carrier roller water stop port and the bearing block.

Polyurea or polyurethane is sprayed outside the carrier roller pipe body.

And a shaft shoulder for forming a small modulus spline by cold extrusion is arranged on the roller carrier shaft and used for positioning the bearing.

The dustproof cover is characterized in that a waterproof layer is arranged on the inner side of the dustproof cover, and the waterproof layer is ethylene propylene diene monomer.

The utility model discloses an gain effect is:

the utility model discloses when using, the magnetic current body is a magnetic conductivity material, through the surfactant spark, all dispersed steadily in fluid medium, under the effect in magnetic field, this kind of magnetic material is magnetized, and does not appear from the fluid yet. The magnetic current body is in the axle by the constraint under the effect in magnetic field, in the clearance of permanent magnet and pole shoe, forms one "O" type circle that can bear pressure, plays waterproof, dustproof and extremely low resistance magnetic current body seal, the utility model discloses a tang and the bearing frame connected mode of bearing roller body are for exempting from the welding, have soft metal seal waterstop between the tang of bearing roller body and the bearing frame, and its cooperation is clearance fit, and the tang of bearing roller body is at centering fore shaft mould effect axial shrink fixed bearing frame, and the fixed soft metal seal waterstop of radial shrink, and axial radial transition portion is the fillet, and the bearing roller axle forms little modulus spline shaft shoulder for cold extrusion, can exempt from cutting process. The utility model discloses simple structure, reasonable in design, the shaft shoulder provides powerful pretightning force and accurate positioning to the bearing, and magnetic fluid sealing device can be effectual waterproof, dustproof to have extremely low resistance, the shield inboard is provided with the waterproof layer, the waterproof layer be ethylene propylene diene monomer rubber, can be waterproof when dirt-proof, great improvement the life of bearing roller.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the carrier roller shaft of the present invention.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.

Referring to fig. 1 and 2, reference numbers: the roller comprises a roller body 1, a roller shaft 2, a bearing seat 3, a first pole tooth 4, a pole shoe 5, an outer cover 6, a permanent magnet 7, a magnetic fluid 8, a bearing 9, a spigot 10, a dust cover 11, a soft metal sealing water stop 12, a shaft shoulder 13 and a second pole tooth 14.

The utility model relates to a carrier roller, which comprises a carrier roller tube body 1, a carrier roller shaft 2 and a magnetic fluid sealing device arranged between the two ends of the carrier roller tube body 1 and the carrier roller shaft 2, bearing seats 3 are respectively arranged in the water stopping ports at the two ends of the carrier roller pipe body 1, the magnetic fluid sealing device comprises a first pole tooth 4 arranged on the carrier roller shaft 2, two pole shoes 5 symmetrically arranged at the two ends of the first pole tooth 4, an outer cover 6 covering the two pole shoes 5, a permanent magnet 7 and a magnetic fluid 8 which are sequentially arranged between the two pole shoes 5 from outside to inside, and a bearing 9 which is arranged between the bearing seats 3 and the carrier roller shaft 2 in a matching way, the magnetic fluid 8 is filled between the two pole shoes 5, the first pole teeth 4 and the permanent magnet 7, the inner wall of the pole shoe 5 is provided with the second pole teeth 14 matched with the first pole teeth 4, the bearing 9 is positioned on the outer cover 6 and the bearing seat 3, and the carrier roller tube body 1 is provided with a spigot 10 for positioning the inner section of the bearing seat 3.

A dust cover 11 is arranged between the water stop port of the carrier roller pipe body 1 and the carrier roller, and a soft metal sealing water stop belt 12 is arranged between the carrier roller water stop port and the bearing seat 3.

Polyurea or polyurethane is sprayed on the outside of the carrier roller tube body 1.

And a shaft shoulder 13 which is formed by cold extrusion and is provided with a small modulus spline is arranged on the roller carrier shaft 2, and the shaft shoulder 13 is used for positioning the bearing 9.

The inner side of the dustproof cover 11 is provided with a waterproof layer, and the waterproof layer is ethylene propylene diene monomer.

The utility model discloses when using, the magnetic current body is a magnetic conductivity material, through the surfactant spark, all dispersed steadily in fluid medium, under the effect in magnetic field, this kind of magnetic material is magnetized, and does not appear from the fluid yet. The magnetic current body is in bearing roller axle 2 by the constraint under the effect in magnetic field, in the clearance of permanent magnet 7 and pole shoe 5, forms one "O" type circle that can bear pressure, plays waterproof, dustproof and extremely low resistance magnetic current body seal, the utility model discloses a tang and the 3 connected mode of bearing frame of bearing roller body 1 are for exempting from the welding, have soft metal seal waterstop between the tang of bearing roller body 1 and the bearing frame 3, and its cooperation is clearance fit, and the tang of bearing roller body 1 is at centering fore shaft mould effect axial shrink fixed bearing frame 3, and the fixed soft metal seal waterstop of radial shrink, and axial radial transition portion is the fillet, and bearing roller axle 2 forms little modulus spline shaft shoulder for cold extrusion, can exempt from cutting process. The utility model discloses simple structure, reasonable in design, shaft shoulder 13 provides powerful pretightning force and accurate positioning to bearing 9, and magnetic fluid sealing device can be effectual waterproof, dustproof to have extremely low resistance, 11 inboards of shield are provided with the waterproof layer, the waterproof layer be the EPT rubber, can be waterproof when dirt-proof, great improvement the life of bearing roller.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a carrier roller, includes the magnetic fluid sealing device that sets up between the both ends of carrier roller body, bearing roller axle and carrier roller axle, its characterized in that: the carrier roller comprises a carrier roller shaft, bearing seats are arranged in water stopping ports at two ends of the carrier roller body, the magnetic fluid sealing device comprises a first pole tooth arranged on the carrier roller shaft, two pole shoes symmetrically arranged at two ends of the first pole tooth, an outer cover covering the two pole shoes, a permanent magnet and a magnetic fluid which are sequentially arranged between the two pole shoes from outside to inside, and a bearing installed between the bearing seats and the carrier roller shaft in a matching mode, the magnetic fluid is filled between the two pole shoes, the first pole tooth and the permanent magnet, a second pole tooth matched with the first pole tooth is arranged on the inner wall of each pole shoe, the bearing is located on the outer cover and the bearing seats, and a spigot used for positioning the inner section of each bearing seat is arranged on the carrier roller body.

2. A idler roll as claimed in claim 1 wherein: a dust cover is arranged between the water stop port of the carrier roller pipe body and the carrier roller, and a soft metal sealing water stop belt is arranged between the carrier roller water stop port and the bearing block.

3. A idler roll as claimed in claim 1 wherein: polyurea or polyurethane is sprayed outside the carrier roller pipe body.

4. A idler roll as claimed in claim 1 wherein: and a shaft shoulder for forming a small modulus spline by cold extrusion is arranged on the roller carrier shaft and used for positioning the bearing.

5. A idler roll as claimed in claim 1 wherein: the dustproof cover is characterized in that a waterproof layer is arranged on the inner side of the dustproof cover, and the waterproof layer is ethylene propylene diene monomer.