CN217024119U

CN217024119U - Reinforced ceramic carrier roller

Info

Publication number: CN217024119U
Application number: CN202220739779.9U
Authority: CN
Inventors: 任飞飞; 付理政; 杨明峰
Original assignee: Henan Beici Porcelain Industry Co ltd
Current assignee: Henan Beici Porcelain Industry Co ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-07-22
Anticipated expiration: 2032-03-31

Abstract

The utility model discloses a reinforced ceramic carrier roller, which belongs to the technical field of carrier rollers and is characterized in that a steel cylinder for improving the strength of a carrier roller shaft is sleeved on the outer circumferential surface of the carrier roller shaft; the outer surfaces of the roller carrier shaft and the steel cylinder are sleeved with rollers for improving the wear resistance of the roller carrier shaft, wherein the dustproof ring plays a dustproof role, the rubber sleeve plays a role in reducing the vibration amplitude of the belt in the movement process, and the ceramic surface plays a high-temperature wear-resistant role; conical parts for conveying the belt to the middle of the roller are arranged on the two sides of the roller, so that the effect of correcting the deviation of the belt is achieved; the bearing assembly for improving the sealing performance of the carrier roller shaft is arranged in the groove of the roller, so that the comprehensive performance of the existing ceramic carrier rollers is further improved, and the service life of the ceramic carrier rollers is further prolonged.

Description

Reinforced ceramic carrier roller

Technical Field

The utility model relates to the technical field of carrier rollers, in particular to a reinforced ceramic carrier roller.

Background

The carrier roller is the important part of belt conveyor, and the variety is many, and is big in quantity, can support conveyer belt and material weight. It accounts for 35% of the total cost of a belt conveyor and produces over 70% of the drag, so the quality of the idler is particularly important. The function of bearing roller is the support conveyer belt and material weight. The idler operation must be flexible and reliable. The friction force between the conveying belt and the carrier roller is reduced, and the key effect is played on the service life of the conveying belt which accounts for more than 25% of the total cost of the conveyor. Although the idler is a relatively small part of the belt conveyor and not complicated in construction, it is not easy to manufacture a high quality idler. The standards for judging whether the carrier roller is good or bad are as follows: the radial run-out of the carrier roller; the flexibility of the carrier roller; the axial play amount.

The ceramic carrier roller is a novel product which is replaced by a carrier roller, is a new breakthrough in the application of replacing steel and plastic with porcelain by high-temperature calcination, and is a combined member consisting of a porcelain body, a bearing, a shaft and a plastic labyrinth seal ring.

However, in the use of some ceramic bearing rollers now, because the ceramic bearing roller is in the condition of transport for a long time, then can bear the effect of external force, and then lead to the ceramic bearing roller condition such as breakage, fracture to appear easily, cause the belt fish tail, cause the interrupt to production for be not convenient for the use to some ceramic bearing rollers now.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a reinforced ceramic carrier roller, which aims to improve the comprehensive performance of some existing ceramic carrier rollers and further prolong the service life of the ceramic carrier roller.

In order to solve the technical problems, the utility model adopts a technical scheme that:

a reinforced ceramic roller is composed of a supporting roller body with a central hole

A carrier roller shaft having a plurality of protrusions on an outer circumferential surface thereof;

the steel cylinder is arranged on the outer circumferential surface of the carrier roller shaft, a concave part which is matched with the convex part of the carrier roller shaft is arranged on one side of the steel cylinder, which is opposite to the carrier roller shaft, and the convex part of the carrier roller shaft is connected with the concave part of the steel cylinder in a vulcanization mode;

the roller is wrapped on the outer circumferential surfaces of the roller carrier shaft and the steel cylinder, grooves are formed in the two sides of the roller, the roller comprises a dust ring, a rubber sleeve and a ceramic surface which are sequentially overlapped from inside to outside, and the dust ring, the rubber sleeve and the ceramic surface are connected in a vulcanization mode respectively;

conical parts for conveying the belt to the middle part of the roller are arranged on two sides of the roller in an extending manner, and grooves of the roller are formed in the conical parts;

and the bearing assembly is arranged in the groove of the roller, and the roller carrier shaft is rotatably arranged in the bearing assembly.

According to some embodiments, the steel cylinder is a steel tube made of an alloy steel material.

According to some embodiments, the ceramic surface is formed by combining a plurality of 20mm by 5mm ceramic plates side by side, and the ceramic plates are made of alumina ceramic.

According to some embodiments, the bearing assembly comprises a gasket, a bearing seat, a bearing main body, a sealing ring and an end cover which are sequentially overlapped on the roller shaft, the gasket is embedded in a groove of the roller, the bearing seat is embedded outside the gasket, the bearing main body is arranged in the bearing seat, the sealing ring is arranged outside the bearing main body, and the end cover is arranged outside the sealing ring.

According to some embodiments, the seal ring comprises an inner seal ring and an outer seal ring, the inner seal ring and the outer seal ring are both arranged on the outer side of the bearing main body, the outer seal ring is sleeved on the end cover, and the inner seal ring and the outer seal ring are both polyethylene plastic parts.

According to some embodiments, an oil reservoir is provided between the bearing seat and the bearing body for lubrication of the bearing body.

According to some embodiments, the conical part is provided with a spiral protrusion, the surface of the spiral protrusion is provided with a point-shaped anti-slip line, and the point-shaped anti-slip line is an elliptical groove.

Has the advantages that:

the utility model provides a reinforced ceramic carrier roller.A steel cylinder for improving the strength of a carrier roller shaft is sleeved on the outer circumferential surface of the carrier roller shaft; the outer surfaces of the carrier roller shaft and the steel cylinder are sleeved with rollers for improving the wear resistance of the carrier roller shaft, wherein the dust ring plays a dustproof role, the rubber sleeve plays a role in reducing the vibration amplitude of the belt in the movement process, and the ceramic surface plays a high-temperature wear-resistant role; conical parts for conveying the belt to the middle of the roller are arranged on two sides of the roller, so that the effect of correcting the deviation of the belt is achieved; the bearing assembly for improving the sealing performance of the carrier roller shaft is arranged in the groove of the roller, so that the comprehensive performance of the existing ceramic carrier rollers is further improved, and the service life of the ceramic carrier rollers is further prolonged.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate the detailed description of the utility model or the technical solutions in the prior art, the drawings that are needed in the detailed description of the utility model or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a half sectional view of the present invention;

FIG. 2 is a side view of a roller carrier shaft and steel cartridge of the present invention;

fig. 3 is a partially enlarged view of a point a in fig. 1.

In the figure, 1 roller shaft, 2 steel cylinder, 3 roller, 31 dust ring, 32 rubber sleeve, 33 ceramic surface, 34 conical part, 341 spiral bulge, 342 dot antiskid line, 4 bearing assembly, 41 gasket, 42 bearing seat, 43 bearing body, 44 sealing ring, 441 inner sealing ring, 442 outer sealing ring and 45 end cover.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, greater than, less than, exceeding, etc. are understood as excluding the essential numbers, and above, below, within, etc. are understood as including the essential numbers. If there is a description of first and second for the purpose of distinguishing technical features only, this is not to be understood as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1 to 3, a reinforced ceramic idler comprises an idler shaft 1, a steel cylinder 2, a roller 3 and a bearing assembly 4, wherein a plurality of convex parts are arranged on the outer circumferential surface of the idler shaft 1; the steel cylinder 2 is arranged on the outer circumferential surface of the carrier roller shaft 1, one side of the steel cylinder 2, which is opposite to the carrier roller shaft 1, is provided with a concave part which is matched with the convex part of the carrier roller shaft 1, and the convex part of the carrier roller shaft 1 is connected with the concave part of the steel cylinder 2 in a vulcanization mode; the roller 3 is wrapped on the outer circumferential surfaces of the roller carrier shaft 1 and the steel cylinder 2, grooves are formed in the two sides of the roller 3, the roller 3 comprises a dust ring 31, a rubber sleeve 32 and a ceramic surface 33 which are sequentially overlapped from inside to outside, and the dust ring 31, the rubber sleeve 32 and the ceramic surface 33 are connected in a vulcanization mode respectively; conical parts 34 for conveying the belt to the middle part of the roller 3 are arranged on two sides of the roller 3 in an extending manner, and grooves of the roller 3 are formed in the conical parts 34; the bearing assembly 4 is arranged in the groove of the roller 3, and the roller carrier shaft 1 is rotatably arranged in the bearing assembly 4.

In some embodiments, the angle of inclination of the tapered portion 34 is 3-5 ° so that the tapered portion 34 can function as a guide to correct belt deviation.

According to the structure, wherein, the steel cylinder is used for improving the intensity of bearing roller axle, the dust ring is in order to play dirt-proof effect, rubber sleeve is in order to play the vibration range that reduces the belt in the motion process, the ceramic face plays the wear-resisting effect of high temperature, the toper portion is used for carrying the belt to the roller middle part in order to correct the condition of belt off tracking, bearing assembly is used for improving bearing roller axle sealing performance makes further improvement the comprehensive properties of some current ceramic bearing rollers, the life of further extension ceramic bearing roller.

Referring to fig. 1 and 2, the steel cylinder 2 is a steel pipe made of alloy steel, and the highest hardness of the steel pipe made of alloy steel can reach more than HRC60, so as to further improve the strength of the carrier roller shaft.

Further, the ceramic surface 33 is formed by combining a plurality of ceramic plates 20mm by 5mm side by side, and the ceramic plates are made of alumina ceramic. Wherein, the Rockwell hardness of the alumina ceramic is HRA80-90, the hardness is second to diamond, far exceeds the wear resistance of wear-resistant steel and stainless steel, is 266 times of manganese steel and 171.5 times of high-chromium cast iron, and further improves the high-temperature wear resistance and strength of the utility model.

Referring to fig. 1, the bearing assembly 4 includes a washer 41, a bearing seat 42, a bearing main body 43, a seal ring 44 and an end cover 45 stacked on the roller shaft 1 in sequence, the washer 41 is embedded in the groove of the roller 3, the bearing seat 42 is embedded outside the washer 41, the bearing main body 43 is arranged in the bearing seat 42, the seal ring 44 is arranged outside the bearing main body 43, and the end cover 45 is arranged outside the seal ring 44, so as to further improve the sealing performance of the roller 3 and further prolong the service life of the present invention.

With reference to fig. 1, for further description, the seal ring 44 includes an inner seal ring 441 and an outer seal ring 442, the inner seal ring 441 and the outer seal ring 442 are both disposed outside the bearing main body 43, the outer seal ring 442 is sleeved on the end cover 45, and both the inner seal ring and the outer seal ring are polyethylene plastic pieces, so as to further improve the sealing performance of the roller 3, so as to ensure that the present invention can achieve the waterproof, dustproof, and anticorrosion effects.

To be further described, an oil storage chamber for lubricating the bearing main body 43 is provided between the bearing seat 42 and the bearing main body 43, so that the lubricating oil can lubricate the bearing main body 43, thereby further prolonging the service life of the present invention.

Further, a spiral protrusion 341 is arranged on the conical portion 34, a dot-shaped anti-slip pattern 342 is arranged on the surface of the spiral protrusion 341, the dot-shaped anti-slip pattern 342 is an elliptical groove, when the belt is inclined towards two sides of the roller 3 in use, the belt can be in contact with the conical portion 34, and the diameter of the conical portion 34 is increased, so that the side of the belt is affected by tension to form resistance, and the belt can be prevented from continuously deviating.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. A reinforced ceramic idler roller, comprising:

the roller carrier shaft (1), wherein the outer circumferential surface of the roller carrier shaft (1) is provided with a plurality of convex parts;

the steel cylinder (2) is arranged on the outer circumferential surface of the carrier roller shaft (1), one side, opposite to the carrier roller shaft (1), of the steel cylinder (2) is provided with a concave part matched with the convex part of the carrier roller shaft (1), and the convex part of the carrier roller shaft (1) is connected with the concave part of the steel cylinder (2) in a vulcanization mode;

the roller (3) is wrapped on the outer circumferential surfaces of the roller carrier shaft (1) and the steel cylinder (2), grooves are formed in the two sides of the roller (3), the roller (3) comprises a dust ring (31), a rubber sleeve (32) and a ceramic surface (33) which are sequentially overlapped from inside to outside, and the dust ring (31), the rubber sleeve (32) and the ceramic surface (33) are connected in a vulcanization mode respectively;

conical parts (34) for conveying a belt to the middle of the roller (3) extend from two sides of the roller (3), and grooves of the roller (3) are formed in the conical parts (34);

the bearing assembly (4) is arranged in the groove of the roller (3), and the roller carrier shaft (1) is rotatably arranged in the bearing assembly (4).

2. The reinforced ceramic idler roll according to claim 1, characterised in that the steel cylinder (2) is a steel pipe made of alloy steel.

3. The reinforced ceramic idler roll according to claim 1, wherein the ceramic surface (33) is formed by combining a plurality of 20mm by 5mm ceramic plates side by side, and the ceramic plates are made of alumina ceramic.

4. The reinforced ceramic carrier roller according to claim 1, wherein the bearing assembly (4) comprises a gasket (41), a bearing seat (42), a bearing main body (43), a sealing ring (44) and an end cover (45) which are sequentially stacked on the roller shaft (1), the gasket (41) is embedded in a groove of the roller (3), the bearing seat (42) is embedded on the outer side of the gasket (41), the bearing main body (43) is arranged in the bearing seat (42), the sealing ring (44) is arranged on the outer side of the bearing main body (43), and the end cover (45) is arranged on the outer side of the sealing ring (44).

5. The reinforced ceramic idler roll as claimed in claim 4, wherein the sealing ring (44) comprises an inner sealing ring (441) and an outer sealing ring (442), the inner sealing ring (441) and the outer sealing ring (442) are both arranged on the outer side of the bearing main body (43), the outer sealing ring (442) is sleeved on the end cover (45), and the inner sealing ring and the outer sealing ring are both made of polyethylene plastic.

6. A reinforced ceramic idler roll according to claim 4 characterised in that an oil reservoir is provided between the bearing seat (42) and the bearing body (43) to lubricate the bearing body (43).

7. The reinforced ceramic idler roll according to claim 1, wherein the conical portion (34) is provided with a spiral protrusion (341), the surface of the spiral protrusion (341) is provided with a point-shaped anti-skid pattern (342), and the point-shaped anti-skid pattern (342) is an elliptical groove.