CN214877971U - Ceramic carrier roller structure - Google Patents

Abstract

The utility model discloses a ceramic carrier roller structure, which comprises a roller and a roller sleeved outside the roller, wherein step-shaped bearing seats are respectively arranged at two ends of the roller, bearings sleeved outside the roller are respectively arranged on inner rings of the bearing seats, and labyrinth seal assemblies positioned outside the bearings are respectively arranged at two ends of the roller; the connecting end covers are arranged at two ends of the roller respectively and located on the outer sides of the labyrinth seal assemblies, the connecting end covers are close to one sides of the ends of the roller, mounting grooves are formed in the surfaces, located on the mounting grooves, of the roller, and sealing gaskets are mounted in the mounting grooves. Has the advantages that: seal through the crisscross seal structure of multilayer, thereby even equipment live time is longer also not worry the bearing in the equipment rust of intaking for equipment's normal use, the better practicality of the higher leakproofness of its protectiveness is stronger.

Description

Ceramic carrier roller structure

Technical Field

The utility model relates to a bearing roller technical field, concretely relates to pottery bearing roller structure.

Background

At present, the ceramic carrier roller is widely applied due to the excellent wear resistance and corrosion resistance of the ceramic roller skin. But the service life of the internal bearing of the idler is also of critical importance, in addition to the wear of the roller itself.

Because the carrier roller is in the rotating process for a long time, water or dust is easy to enter the bearing in a place with a severe environment, so that the abrasion and corrosion to the bearing are accelerated, the service life of the carrier roller is shortened, the carrier roller can be generally used for about 6 months, and for the carrier roller with the bearing structure, if the bearing is damaged, even if the roller skin is still quite intact, the whole carrier roller cannot be maintained, and generally only waste treatment can be carried out. Therefore, in the maintenance of the existing ceramic carrier roller, the mode of replacing the carrier roller integrally is generally adopted, so that the cost of scrapping the whole carrier roller due to the damage of the bearing of one conveying line every year is quite high, the material of the carrier roller is greatly wasted, and the production cost of enterprises is greatly improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pottery bearing roller structure for solving above-mentioned problem to solve among the prior art and intake easily or the dust in the abominable local bearing of environment, thereby accelerate the wearing and tearing corruption to the bearing, lead to bearing roller life to descend, generally can only use about 6 months, and to the bearing roller of this kind of bearing structure of installation, if the bearing is bad, even roll the skin still fairly intact, whole bearing roller also can't be maintained, can only do the waste product under the common conditions and handle. The utility model provides an optimized technical scheme sets up the sealed lid of detachable through the outside at labyrinth seal subassembly among a great deal of technical scheme, make the bearing in the inner bearing seat can demolish the change, and sealed lid and roller bearing department still are equipped with seal groove and sealing washer, can obtain better sealed effect, make the waterproof and dustproof performance of bearing roller more superior, the lubricating grease of bearing intracavity portion has still been guaranteed simultaneously and also can not past run off outward, thereby even equipment live time is longer also not worry the bearing in the equipment and intake rust, thereby make the normal use of equipment receive the condition of influence to take place, the better practicality of its higher leakproofness of protectiveness is stronger and is explained in the following.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a ceramic carrier roller structure, including the roller bearing and cup joint the roller in the roller bearing outside, the both ends of roller are equipped with notch cuttype bearing frame respectively, the inner circle of bearing frame is installed respectively and is cup jointed the bearing in the roller bearing outside, the both ends of roller bearing are installed respectively and are located the labyrinth seal subassembly in the bearing outside;

the labyrinth seal comprises a roller, a labyrinth seal assembly, a bearing, a seal ring, a connecting end cover, a clamping spring, a bearing, a seal ring and a bearing, wherein the connecting end cover is arranged at the outer side of the labyrinth seal assembly at two ends of the roller respectively, one surface of the connecting end cover, which is close to the end part of the roller, is provided with a mounting groove, a trapezoidal seal groove is formed in the position, which is located in the mounting groove, of the roller, a seal gasket is arranged in the mounting groove, a wear-resisting ring is arranged at the inner ring of the seal gasket, the wear-resisting ring is located in the seal groove and is attached to the seal groove, and the outer side of the seal gasket is fixedly connected with the connecting end cover through the clamping spring;

and two ends of the rolling shaft are respectively provided with a sealing cover positioned on the outer side of the connecting end cover to seal the mounting groove.

Adopt above-mentioned ceramic carrier roller structure, when outside dust or moisture received external force and will enter into the bearing frame in, at first need pass sealed lid, permeate seal gasket department, because the seal groove is the trapezium structure, trapezoidal seal groove is when the roller bearing rotates, still can keep wear ring and seal groove to mutually support and seal, if dust or moisture break through first sealed when continuing to free in the bearing frame, need break through sealed dish in proper order, labyrinth seal subassembly could reach bearing department, furthest's the entering of dust of having prevented, thereby improve the protection to the bearing, the life of bearing in the bearing frame has been prolonged.

Preferably, a buffer pad is arranged between the bearing and the bearing seat, and an oil storage cavity is arranged in the buffer pad and used for lubricating the bearing.

Preferably, the labyrinth seal subassembly includes interior sealing washer and outer sealing washer, the inboard of outer sealing washer is equipped with a plurality of annular grooves, the outside of interior sealing washer is equipped with a plurality of cyclic annular lugs, just a plurality of annular grooves of outer sealing washer cooperate with a plurality of cyclic annular lugs of interior sealing washer, interior sealing washer with be equipped with between the outer sealing washer and be used for waterproof oil blanket.

Preferably, a sealing disc is arranged between the outer sealing ring and the connecting end cover, and the sealing disc covers the port part of the bearing seat.

Preferably, the sealing cover is provided with tightening bolts in a penetrating mode, and the tightening bolts are evenly distributed along the circumferential direction of the rolling shaft and used for abutting against the sealing disc.

Preferably, the outer diameter of the connection end cover is larger than that of the mounting groove.

Preferably, the bearing is a deep groove ball bearing.

Compared with the prior art, the beneficial effects of the utility model are that: this pottery bearing roller structure has following benefit:

1. the ceramic carrier roller has the advantages that the connecting end cover of the ceramic carrier roller can be disassembled and assembled, so that the damaged bearing can be conveniently replaced on site, the whole carrier roller does not need to be scrapped due to the damage of the bearing, the maintenance cost is low, the rapid production recovery can be ensured, and the working efficiency of online maintenance is improved;

2. the sealing cover is abutted with the mounting groove, so that the sealing performance of the sealing gasket is stronger, and dust is blocked twice respectively; external dust and moisture are prevented from entering the bearing seat, the pollution of the dust and the moisture to the bearing is reduced, and the service life of the bearing is prolonged;

3. this structure scientific and reasonable convenience of use is safe, seals through the crisscross seal structure of multilayer, and its sealed effect is better, thereby even equipment live time is longer not worry the bearing in the equipment and intake and rust for the normal use of equipment receives the condition emergence of influence, and the better practicality of its higher leakproofness of protectiveness is stronger.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is an enlarged view of a portion of FIG. 1A;

FIG. 3 is a schematic view of the construction of a gasket seal;

fig. 4 is a schematic right sectional structure view of fig. 3.

The reference numerals are explained below:

1. a roller; 2. a roller; 3. a bearing seat; 4. a bearing; 5. a labyrinth seal assembly; 501. an outer sealing ring; 502. an inner seal ring; 6. connecting an end cover; 7. mounting grooves; 8. a sealing groove; 9. sealing gaskets; 10. a wear ring; 11. a sealing cover; 12. a cushion pad; 13. an oil storage chamber; 14. sealing the disc; 15. jacking the bolt; 16. and (7) oil sealing.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the utility model provides a ceramic carrier roller structure, which comprises a roller 1 and a roller 2 sleeved outside the roller 1, wherein step-shaped bearing seats 3 are respectively arranged at two ends of the roller 2, bearings 4 sleeved outside the roller 1 are respectively arranged on inner rings of the bearing seats 3, and labyrinth seal assemblies 5 positioned outside the bearings 4 are respectively arranged at two ends of the roller 1;

the labyrinth seal structure is characterized in that connecting end covers 6 positioned on the outer sides of the labyrinth seal assemblies 5 are respectively installed at two ends of the roller 1, an installation groove 7 is formed in one side, close to the end portion of the roller 1, of each connecting end cover 6, a trapezoidal seal groove 8 is formed in the position, located in the installation groove 7, of the roller 1, a seal gasket 9 is installed in the installation groove 7, a wear-resisting ring 10 is installed at the inner ring of the seal gasket 9, the wear-resisting ring 10 is located in the seal groove 8 and attached to the seal groove 8, and the outer side of the seal gasket 9 is fixedly connected with the connecting end covers 6 through clamp springs 10;

and two ends of the roller 1 are respectively provided with a sealing cover 11 positioned on the outer side of the connecting end cover 6 to seal the mounting groove 7.

Further, bearing 4 with install blotter 12 between the bearing frame 3, be equipped with oil storage chamber 13 in the blotter 12, be used for the lubrication bearing 4 can continuously lubricate bearing 4, reduces bearing 4's wearing and tearing, increase of service life.

Further, labyrinth seal subassembly 5 includes inner seal ring 502 and outer seal ring 501, outer seal ring 501's inboard is equipped with a plurality of annular grooves, inner seal ring 502's the outside is equipped with a plurality of cyclic annular lugs, just a plurality of annular grooves of outer seal ring 501 cooperate with a plurality of cyclic annular lugs of inner seal ring 502, inner seal ring 502 with be equipped with between the outer seal ring 501 and be used for waterproof oil blanket 16, the labyrinth is sealed makes the entering of dust and moisture more difficult, and furthest seals the protection to bearing 4 at rear portion.

Further, the outer sealing ring 501 and the sealing disc 14 is arranged between the connecting end covers 6, the sealing disc 14 covers the port part of the bearing seat 3, so that the loss of lubricating grease is reduced, and the cleanness of the lubricating grease is also ensured.

Further, a tight bolt 15 runs through and is provided with on the sealed lid 11, tight bolt 15 is followed 1 circumference evenly distributed of roller bearing is used for supporting tightly sealed dish 14 for the seal assembly in the bearing frame 3 laminates each other, reduces inside gap.

Further, the outer diameter of the connecting end cover 6 is larger than that of the mounting groove 7, so that dust and moisture are prevented from directly entering the sealing groove 8.

Further, the bearing 4 is a deep groove ball bearing.

When external dust or moisture is forced into the bearing seat 3 in use, the external dust or moisture firstly needs to penetrate through the sealing cover 11 and penetrate into the sealing gasket 9, because the sealing groove 8 is in a trapezoidal structure, when the roller 1 rotates, the trapezoidal sealing groove 8 can still keep the wear-resistant ring 10 and the sealing groove 8 mutually matched for sealing, if dust or moisture breaks through the first seal and continues to dissociate into the bearing seat 3, the sealing disc 14 and the labyrinth seal assembly 5 are required to be broken through in sequence to reach the bearing 3, so that dust is prevented from entering to the maximum extent, the protection of the bearing 4 is improved, a cushion pad 12 is installed at the deepest portion of the bearing housing 3, so that the bearing 4 reduces impact during operation, and the lubricating oil in the oil storage cavity 13 can lubricate the bearing 4, the lubricating oil is ensured to be clean through multilayer sealing, and the service life of the bearing 4 in the bearing seat 3 is prolonged.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (7)

1. A ceramic bearing roller structure which characterized in that: the roller comprises a roller (1) and a roller (2) sleeved outside the roller (1), wherein stepped bearing seats (3) are respectively arranged at two ends of the roller (2), bearings (4) sleeved outside the roller (1) are respectively installed on inner rings of the bearing seats (3), and labyrinth seal assemblies (5) positioned outside the bearings (4) are respectively installed at two ends of the roller (1);

connecting end covers (6) located on the outer sides of the labyrinth seal assemblies (5) are respectively installed at two ends of the roller (1), one side, close to the end portion of the roller (1), of each connecting end cover (6) is provided with a mounting groove (7), a trapezoidal sealing groove (8) is formed in the position, located in the mounting groove (7), of the roller (1), a sealing gasket (9) is installed in each mounting groove (7), a wear-resisting ring (10) is installed at the inner ring of each sealing gasket (9), the wear-resisting rings (10) are located in the sealing grooves (8) and attached to the sealing grooves (8), and the outer sides of the sealing gaskets (9) are fixedly connected with the connecting end covers (6) through clamp springs;

and two ends of the roller (1) are respectively provided with a sealing cover (11) positioned on the outer side of the connecting end cover (6) to seal the mounting groove (7).

2. A ceramic idler roll structure according to claim 1 wherein: the bearing (4) with install blotter (12) between bearing frame (3), be equipped with oil storage chamber (13) in blotter (12) for lubricate bearing (4).

3. A ceramic idler roll structure according to claim 1 wherein: labyrinth seal subassembly (5) are including interior sealing washer (502) and outer sealing washer (501), the inboard of outer sealing washer (501) is equipped with a plurality of annular grooves, the outside of interior sealing washer (502) is equipped with a plurality of cyclic annular lugs, just a plurality of annular grooves of outer sealing washer (501) cooperate with a plurality of cyclic annular lugs of interior sealing washer (502), interior sealing washer (502) with be equipped with between outer sealing washer (501) and be used for waterproof oil blanket (16).

4. A ceramic idler roll structure according to claim 3 wherein: the outer seal ring (501) with be equipped with sealed dish (14) between connecting end cover (6), sealed dish (14) cover establish with the port part of bearing frame (3).

5. A ceramic idler roll structure according to claim 4 characterised in that: the sealing cover (11) is provided with puller bolts (15) in a penetrating mode, the puller bolts (15) are evenly distributed in the circumferential direction of the rolling shaft (1) and used for abutting against the sealing disc (14).

6. A ceramic idler roll structure according to claim 1 wherein: the outer diameter of the connecting end cover (6) is larger than that of the mounting groove (7).

7. A ceramic idler roll structure according to claim 1 wherein: the bearing (4) is a deep groove ball bearing.

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