Roller with long service life

The roller design with a rubber layer and reinforcement ribs addresses wear and structural weakness by enhancing durability and strength, thereby extending its operational life.

CN223101812UActive Publication Date: 2025-07-15QINGDAO CHENDE MINGYOU MASCH MFG CO LTD
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Patent Information

Application Number
CN202422948289.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-02
Publication Date
2025-07-15
Estimated Expiration
2034-12-02

AI Technical Summary

Technical Problem

The existing rollers have high friction between the conveyor belts, the rubber layer is prone to wear and fall off, and the cylinder structure is insufficient, which affects the service life.

Method used

The rubber layer, clamp, wear-resistant block and reinforced structure are adopted, and the rubber sleeve is closely connected to the drum cylinder through the rubber sleeve, and the structural strength is improved with the reinforcement ribs, preventing the rubber layer from falling off and enhancing the wear-resistant performance.

Benefits of technology

Effectively prevent the rubber layer from falling off, improve the wear resistance of the rubber layer, extend the service life of the roller, and enhance the structural strength of the cylinder.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223101812U_ABST
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Abstract

The utility model relates to the technical field of rollers, in particular to a long-service-life roller which comprises a roller body, a through hole is formed in the roller body, a rotating shaft is installed in the through hole in a penetrating mode, a rubber pad is arranged between the rotating shaft and the roller body, a groove is formed in the outer surface of the roller body, and the rubber pad is arranged in the groove. The roller body is sleeved with a rubber sleeve, a clamping block is installed on the inner wall of the rubber sleeve, the side, provided with the clamping block, of the rubber sleeve is coated with glue, the side, provided with the clamping block, of the rubber sleeve is bonded with the outer wall of the roller body, and the outer surface of the rubber sleeve is wrapped with a rubber layer. A first wear-resistant block and a second wear-resistant block are arranged on the outer surface of the rubber layer; through cooperation of the structures, the purpose of prolonging the service life of the roller is achieved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of drums, and particularly relates to a drum with a long service life. Background Art

[0002] The drum is an important component and part of the belt conveyor system. Drums can be divided into driving drums and driven drums. The driving drum is used on the conveyor, and the motor drives the drum to rotate to transport goods. The driven drum rotates under the drive of the driving drum and plays an auxiliary transportation role.

[0003] However, there are still some problems with the existing drums, and the specific problems are as follows:

[0004] 1. A large frictional force is generated between the drum and the conveyor belt to drive the operation. In order to protect the copper skin of the drum from wear and increase the frictional force between the drum and the belt conveyor, a rubber layer was previously compounded on the surface of the drum; after long-term operation, the rubber on the surface of the drum is severely worn, has a short service life and is prone to falling off, affecting transportation.

[0005] 2. The problem that it is difficult to strengthen the structural strength of the drum body. The structural strength of the drum body is not strong enough, and the drum body may need to bear a large weight during use, resulting in damage to the drum body during use. Summary of the Invention

[0006] The utility model makes the rubber layer not fall off and improves the wear resistance of the rubber layer through the cooperation of the rubber layer, the clamping blocks, the first wear-resistant block, the second wear-resistant block and the clamping blocks, so as to achieve the purpose of extending the service life of the drum.

[0007] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0008] A drum with a long service life, including a drum body, a through hole is opened inside the drum body, a rotating shaft is inserted and installed in the through hole, a rubber pad is arranged between the rotating shaft and the drum body, a groove is opened on the outer surface of the drum body, a rubber sleeve is sleeved outside the drum body, clamping blocks are installed on the inner wall of the rubber sleeve, glue is coated on one side of the rubber sleeve where the clamping blocks are provided, one side of the rubber sleeve where the clamping blocks are provided is bonded to the outer wall of the drum body, a rubber layer is coated on the outer surface of the rubber sleeve, and a first wear-resistant block and a second wear-resistant block are arranged on the outer surface of the rubber layer.

[0009] Preferably, the structure of the first wear-resistant block is a rectangular long strip, the second wear-resistant blocks are symmetrically distributed on both sides of the first wear-resistant block, the arrangement areas of the second wear-resistant blocks on both sides are in a herringbone shape, and a plurality of the first wear-resistant blocks and the second wear-resistant blocks on both sides are equidistantly arranged along the circumferential center.

[0010] Preferably, a strengthening structure is installed inside the drum cylinder body. The strengthening structure includes a strengthening cavity arranged inside the drum cylinder body. A first reinforcing rib is arranged inside the strengthening cavity, and a second reinforcing rib is arranged inside the strengthening cavity. The first reinforcing rib and the second reinforcing rib intersect with each other.

[0011] Preferably, fixing structures are arranged on both sides of the rotating shaft. The fixing structure includes fixing blocks. The fixing blocks are symmetrically distributed at both ends of the drum cylinder body. An installation hole penetrating through the fixing block is formed inside the fixing block. A threaded hole is formed on the outer wall of the rotating shaft at a position corresponding to the installation hole. Bolts are arranged inside the installation hole and the threaded hole.

[0012] Preferably, the structures of the clamping block and the groove are both semi-circular, and a plurality of clamping blocks and grooves are arranged at equal intervals along the circumferential center.

[0013] Preferably, a plurality of first reinforcing ribs and second reinforcing ribs are arranged at equal intervals along the inner edge center of the strengthening cavity. The structure of the first reinforcing rib is a rectangular plate.

[0014] Compared with the prior art, the gain effect of the present utility model is as follows:

[0015] 1. By arranging structures such as a rubber layer, a rubber pad, a clamping block, a first wear-resistant block, a second wear-resistant block, a groove and a rubber sleeve, the clamping block installed on the inner wall of the rubber sleeve is clamped and connected with the groove formed on the outer wall of the drum cylinder body, and is secondarily fixed by glue, improving the tight connection between the drum cylinder body and the rubber layer, preventing the rubber layer from falling off, and improving the wear resistance of the rubber layer and extending the service life through the first wear-resistant block and the second wear-resistant block on the outer surface of the rubber layer.

[0016] 2. By arranging the fixing structure, turning the bolt to make it threadedly connected with the threaded hole, the outside of the drum cylinder body is fixedly connected with the rotating shaft through the fixing block, and the connection is tight; the rubber pad on the inner wall of the drum cylinder body plays a buffering role, preventing the rotating shaft from squeezing and wearing the drum cylinder body and affecting the service life of the drum cylinder body.

[0017] 3. By arranging the strengthening structure, when the drum cylinder body is subjected to a large impact, the first reinforcing rib and the second reinforcing rib provide a supporting effect on the drum cylinder body, further improving the structural strength of the drum cylinder body. Description of the Drawings

[0018] Figure 1 is a three-dimensional view of an embodiment of the present utility model;

[0019] Figure 2 is a schematic side sectional structure view of the strengthening structure of an embodiment of the present utility model;

[0020] Figure 3It is a partial cross-sectional view of the fixing structure of the embodiment of the present utility model;

[0021] Figure 4 It is a schematic diagram of the partial structure A of the fixing structure of the embodiment of the present utility model.

[0022] In the figure: drum cylinder 1; through hole 101; rotating shaft 2; rubber layer 3; strengthening structure 4; strengthening cavity 401; first strengthening rib 402; second strengthening rib 403; fixing structure 5; fixing block 501; mounting hole 502; screw hole 503; bolt 504; rubber pad 6; clamping block 7; first wear-resistant block 8; second wear-resistant block 9; groove 10; rubber sleeve 11. Specific embodiments

[0023] The technical solutions of the present utility model will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0024] Embodiment

[0025] The features and exemplary embodiments of various aspects of the present utility model will be described in detail below. In order to make the purpose, technical solutions and advantages of the present utility model more clear and understandable, the present utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only configured to explain the present utility model and are not configured to limit the present utility model. For those skilled in the art, the present utility model can be implemented without some of these specific details. The following description of the embodiments is only provided to provide a better understanding of the present utility model by showing examples of the present utility model.

[0026] The directional terms appearing in the following description are all the directions shown in the figure and do not limit the specific structure of the present utility model. In the description of the present utility model, it should also be noted that unless otherwise clearly defined and limited, the terms "installation" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations; the content not described in detail in this specification belongs to the prior art well known to those skilled in the art.

[0027] The present utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments for a clearer understanding of the present utility model.

[0028] Please refer to Figures 1-4, A drum with a long service life, comprising a drum body 1, a rubber layer 3 and a rotating shaft 2. A through hole 101 is provided inside the drum body 1, and the rotating shaft 2 is inserted through the through hole 101. A rubber pad 6 is arranged between the rotating shaft 2 and the drum body 1, and the rubber pad 6 is adhered to the inner wall of the through hole 101, which can prevent the extrusion and friction between the rotating shaft 2 and the drum body 1. A groove 10 is provided on the outer surface of the drum body 1. A rubber sleeve 11 is sleeved outside the drum body 1. A clamping block 7 is fixedly installed on the inner wall of the rubber sleeve 11, and the clamping block 7 is clamped inside the groove 10. Glue is coated on one side of the rubber sleeve 11 provided with the clamping block 7, and the side of the rubber sleeve 11 provided with the clamping block 7 is adhered to the outer wall of the drum body 1. A rubber layer 3 is coated on the outer surface of the rubber sleeve 11, and a first wear-resistant block 8 and a second wear-resistant block 9 are fixedly arranged on the outer surface of the rubber layer 3.

[0029] Further, the structures of both the clamping block 7 and the groove 10 are semicircular, and a plurality of clamping blocks 7 and grooves 10 are arranged at equal intervals along the circumferential center. Through the engagement of the clamping block 7 and the groove 10, the rubber layer 3 can be prevented from falling off and the maintenance and replacement of the rubber layer 3 can be realized.

[0030] Further, the structure of the first wear-resistant block 8 is a rectangular strip. Symmetrically distributed second wear-resistant blocks 9 are arranged on both sides of the first wear-resistant block 8. The arrangement areas of the second wear-resistant blocks 9 on both sides are in a herringbone shape. A plurality of first wear-resistant blocks 8 and second wear-resistant blocks 9 on both sides are arranged at equal intervals along the circumferential center, which can effectively increase the wear resistance of the rubber layer 3.

[0031] Please refer to Figures 1-4 , A strengthening structure 4 is installed inside the drum body 1. The strengthening structure 4 includes a strengthening cavity 401, a first strengthening rib 402 and a second strengthening rib 403. The strengthening cavity 401 is arranged inside the drum body 1. The first strengthening rib 402 is arranged inside the strengthening cavity 401, and the second strengthening rib 403 is arranged inside the strengthening cavity 401. The first strengthening rib 402 and the second strengthening rib 403 intersect with each other.

[0032] Further, a plurality of first strengthening ribs 402 and second strengthening ribs 403 are arranged at equal intervals along the center of the circle inside the strengthening cavity 401. The structure of the first strengthening rib 402 is a rectangular plate, and the first strengthening rib 402 can support the drum body 1, improve the structural strength of the drum body 1, and prevent it from being damaged.

[0033] Please refer to Figures 1-4, fixed structures 5 are provided on both sides of the rotating shaft 2. The fixed structure 5 includes a fixed block 501, a mounting hole 502, a screw hole 503, and a bolt 504. Symmetrically distributed fixed blocks 501 are fixedly arranged at both ends of the drum cylinder 1. A mounting hole 502 penetrating the fixed block 501 is formed inside the fixed block 501. A screw hole 503 is formed on the outer wall of the rotating shaft 2 at a position corresponding to the mounting hole 502. A bolt 504 is arranged inside the mounting hole 502 and the screw hole 503. The bolt 504 is threadedly connected to the screw hole 503, which can improve the connection stability between the drum cylinder 1 and the rotating shaft 2.

[0034] Working principle: When this embodiment is in use, first insert the rotating shaft 2 into the drum cylinder 1 with a rubber pad 6 adhered to the inner wall. Then rotate the bolt 504 to make it threadedly connected to the screw hole 503, so that the outside of the drum cylinder 1 is fixedly connected to the drum cylinder 1 through the fixed block 501, and the connection is tight. A number of grooves 10 are formed on the outer wall of the drum cylinder 1. A number of clamping blocks 7 are fixedly installed on the inner wall of the rubber sleeve 11. The clamping blocks 7 and the grooves 10 are snap-connected and then adhesively bonded for secondary reinforcement, so that the rubber layer 3 is tightly connected to the drum cylinder 1 to prevent the rubber layer 3 from slipping off. A number of first wear-resistant blocks 8 and second wear-resistant blocks 9 are fixedly installed on the outer surface of the rubber layer 3, which improves the wear resistance of the rubber layer 3. At the same time, through the arrangement of the first reinforcing rib 402 and the second reinforcing rib 403, the structural strength of the drum cylinder 1 is enhanced, and the service life of the drum cylinder 1 is effectively extended.

Claims

1. A drum with a long service life, characterized in that, It includes a drum cylinder (1). A through hole (101) is formed inside the drum cylinder (1). A rotating shaft (2) is inserted and installed in the through hole (101). A rubber pad (6) is arranged between the rotating shaft (2) and the drum cylinder (1). A groove (10) is formed on the outer surface of the drum cylinder (1). A rubber sleeve (11) is sleeved outside the drum cylinder (1). A clamping block (7) is installed on the inner wall of the rubber sleeve (11). Glue is coated on one side of the rubber sleeve (11) where the clamping block (7) is provided. One side of the rubber sleeve (11) where the clamping block (7) is provided is adhesively bonded to the outer wall of the drum cylinder (1). A rubber layer (3) is coated on the outer surface of the rubber sleeve (11). A first wear-resistant block (8) and a second wear-resistant block (9) are arranged on the outer surface of the rubber layer (3).

2. The drum with a long service life according to claim 1, wherein, The structure of the first wear-resistant block (8) is a rectangular strip. The second wear-resistant blocks (9) symmetrically distributed are arranged on both sides of the first wear-resistant block (8). The arrangement areas of the second wear-resistant blocks (9) on both sides are in a herringbone shape. A plurality of the first wear-resistant block (8) and the second wear-resistant blocks (9) on both sides are equidistantly arranged along the circumferential center.

3. A drum with a long service life according to claim 1, characterized in that, A strengthening structure (4) is installed inside the drum cylinder (1). The strengthening structure (4) includes a strengthening cavity (401) arranged inside the drum cylinder (1). A first strengthening rib (402) is arranged in the strengthening cavity (401). A second strengthening rib (403) is arranged in the strengthening cavity (401). The first strengthening rib (402) and the second strengthening rib (403) cross each other.

4. A drum with a long service life according to claim 1, characterized in that, Fixing structures (5) are arranged on both sides of the rotating shaft (2). The fixing structures (5) include fixing blocks (501). The fixing blocks (501) symmetrically distributed are arranged at both ends of the drum cylinder (1). An installation hole (502) penetrating through the fixing block (501) is formed in the fixing block (501). A screw hole (503) is formed on the outer wall of the rotating shaft (2) at a position corresponding to the installation hole (502). A bolt (504) is arranged in the installation hole (502) and the screw hole (503).

5. A drum with a long service life according to claim 1, characterized in that, The structures of the clamping block (7) and the groove (10) are both semi-circular. A plurality of the clamping block (7) and the groove (10) are equidistantly arranged along the circumferential center.

6. The drum with a long service life according to claim 3, characterized in that, A plurality of the first strengthening rib (402) and the second strengthening rib (403) are arranged equidistantly along the inner edge of the strengthening cavity (401) around the center of the circle. The structure of the first strengthening rib (402) is a rectangular plate.