Reusable carrier roller

Abstract

The utility model relates to the technical field of carrier rollers, in particular to a reusable carrier roller which comprises a carrier roller shaft, bearings are fixedly connected to the two ends of the carrier roller shaft, bearing seats are fixedly connected to the outer shaft faces of the bearings, the two bearings are sealed through sealing mechanisms, roller leather is arranged on the bearing seats in a sleeved mode, and the roller leather is connected with the carrier roller shaft in a sleeved mode. An annular fixing groove is formed in the roller skin, a plurality of elastic buckles are fixedly connected to the bearing seat, the elastic buckles are all located in the annular fixing groove, a plurality of dismounting grooves are formed in the bearing seat, downward pressing buckle heads are fixedly connected to the elastic buckles, and the downward pressing buckle heads are all located in the dismounting grooves. The carrier roller has the advantages that the roller leather can be conveniently detached and replaced, the carrier roller does not need to be integrally replaced, the carrier roller can be repeatedly used, and resources are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of idlers, in particular to a reusable idler. Background Art

[0002] A belt conveyor, also known as a belt conveyor, mainly consists of an intermediate frame, a conveyor belt, idlers, drums, a tensioning device, a driving device, etc. Idlers are important components of a belt conveyor. There are many types and a large number of them. They can support the weight of the conveyor belt and materials. During the operation of the belt conveyor, a set is arranged at a certain distance. The usage quantity accounts for a very large proportion. In the conventional design standard, its cost accounts for 20% of the whole machine. The main body of the idler roller often adopts a welded structure. Usually, the roller skin and the bearing housing are welded together. Bearings and seals and other components are installed in the bearing housing and are pressed by interference fit, making it very difficult to disassemble. Generally, the main wear and damage is the roller skin. Since the roller skin and the bearing housing are integrated, and other components are also in a pressed manner, the damage of the roller skin means that the whole needs to be replaced, resulting in high maintenance costs and resource waste. Content of the Utility Model

[0003] The purpose of the utility model is to solve the shortcomings in the prior art that the roller skin and the bearing housing are integrated, and other components are in a pressed manner, so that the damage of the roller skin means that the whole needs to be replaced, resulting in high maintenance costs and resource waste, and to propose a reusable idler.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] Design a reusable idler, including an idler shaft. Both ends of the idler shaft are fixedly connected with bearings. The outer shaft surface of the bearings is fixedly connected with bearing housings. Both bearings are sealed by a sealing mechanism. A roller skin is sleeved on the bearing housing. An annular fixing groove is formed on the roller skin. A plurality of elastic buckles are fixedly connected to the bearing housing. A plurality of elastic buckles are all located in the annular fixing groove. A plurality of disassembly grooves are formed on the bearing housing. A pressing buckle head is fixedly connected to each of the plurality of elastic buckles. A plurality of pressing buckle heads are all located in the disassembly grooves.

[0006] Preferably, a plurality of insertion grooves are formed on the roller skin. A plurality of rotary bosses are fixedly connected to the bearing housing. A plurality of rotary bosses are located in the corresponding insertion grooves.

[0007] Preferably, the sealing mechanism includes an inner ring. The inner ring is arranged inside the bearing housing. An outer ring is arranged outside the inner ring.

[0008] Preferably, snap rings are fixedly connected to both ends of the idler shaft. The two snap rings are located on the opposite outer sides of the two outer rings. A retaining ring is fixedly connected to the bearing housing.

[0009] Preferably, a sealing lip is fixedly connected to the bearing seat, and the sealing lip abuts against the idler shaft.

[0010] Preferably, the sealing lip is made of nitrile rubber material.

[0011] Preferably, the roller skin is made of polytetrafluoroethylene or nylon material.

[0012] The reusable idler proposed by the present utility model has the beneficial effect that when the roller skin is damaged and needs to be replaced, the caliper enters through the disassembly groove and presses down the pressing buckle, so that the elastic buckle moves closer to the axial direction of the bearing, thereby disengaging the elastic buckle from the annular fixing groove, releasing the fixation of the roller skin, so that the roller skin can be disassembled and replaced. There is no need to replace the entire idler, making the idler reusable and saving resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a schematic structural diagram of a reusable idler proposed by the present utility model;

[0014] Figure 2 is a schematic structural diagram of the roller skin of a reusable idler proposed by the present utility model;

[0015] Figure 3 is a side view of the roller skin of a reusable idler proposed by the present utility model;

[0016] Figure 4 is a three-dimensional view of the bearing seat part of a reusable idler proposed by the present utility model;

[0017] Figure 5 is a schematic structural diagram of the elastic buckle and the rotary boss part of a reusable idler proposed by the present utility model.

[0018] In the figure: bearing seat 1; elastic buckle 11; rotary boss 12; disassembly groove 13; sealing lip 14; pressing buckle 15; roller skin 2; annular fixing groove 21; insertion groove 22; idler shaft 3; bearing 4; inner ring 5; outer ring 6; snap ring 7; retaining ring 8. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0020] Embodiment 1: Refer to Figures 1-5, A reusable idler roller, including an idler roller shaft 3. Both ends of the idler roller shaft 3 are fixedly connected with bearings 4. The outer shaft surface of the bearings 4 is fixedly connected with bearing seats 1. Both bearings 4 are sealed through a sealing mechanism. A roller skin 2 is sleeved on the bearing seat 1. The roller skin 2 is made of polytetrafluoroethylene or nylon material. An annular fixing groove 21 is opened on the roller skin 2. A plurality of elastic buckles 11 are fixedly connected to the bearing seat 1. A plurality of elastic buckles 11 are all located in the annular fixing groove 21. A plurality of disassembly grooves 13 are opened on the bearing seat 1. A pressing buckle head 15 is fixedly connected to each of the plurality of elastic buckles 11. A plurality of pressing buckle heads 15 are all located in the disassembly grooves 13. By providing the annular fixing groove 21 and the elastic buckles 11, a connection function is achieved between the bearing seat 1 and the roller skin 2, preventing endwise crosstalk. When the roller skin 2 is damaged and needs to be replaced, a caliper enters from the disassembly groove 13 to squeeze the pressing buckle head 15, causing the elastic buckles 11 to move closer in the axial direction of the bearing 4, so that the elastic buckles 11 are disengaged from the annular fixing groove 21, releasing the fixation of the roller skin 2, facilitating the disassembly of the roller skin 2, replacing the roller skin 2, without the need to replace the entire idler roller, enabling the idler roller to be reused and saving resources.

[0021] A plurality of insertion grooves 22 are opened on the roller skin 2. A plurality of rotary bosses 12 are fixedly connected to the bearing seat 1. A plurality of rotary bosses 12 are located in the corresponding insertion grooves 22. By adopting the design of the insertion grooves 22 and the rotary bosses 12, a connection function is achieved between the bearing seat 1 and the roller skin 2, preventing relative circumferential rotation between the bearing seat 1 and the roller skin 2.

[0022] When the roller skin 2 needs to be disassembled and replaced: A caliper enters from the disassembly groove 13 to squeeze the pressing buckle head 15, causing the elastic buckles 11 to move closer in the axial direction of the bearing 4, so that the elastic buckles 11 are disengaged from the annular fixing groove 21, releasing the fixation of the roller skin 2, facilitating the disassembly of the roller skin 2, replacing with a new roller skin 2, then taking out the caliper, and the elastic buckles 11 re-enter the annular fixing groove 21 for fixation under the action of the restoring force.

[0023] Embodiment 2: Refer to Figures 1-3 And Figure 5 , As another preferred embodiment of the present invention, on the basis of Embodiment 1, the sealing mechanism includes an inner ring 5. An inner ring 5 is arranged in the bearing seat 1. An outer ring 6 is arranged outside the inner ring 5. A retaining ring 7 is fixedly connected to the bearing seat 1. The inner ring 5 and the outer ring 6 form a labyrinth seal, playing a role in dust prevention. A sealing lip 14 is fixedly connected to the bearing seat 1. The sealing lip 14 abuts against the idler roller shaft 3.

[0024] Both ends of the idler roller shaft 3 are fixedly connected with retaining rings 8. Two retaining rings 8 are located on the opposite outer sides of the two outer rings 6. The outer ring 6 is abutted through the retaining ring 7 and the retaining rings 8, playing a role in limiting and fixing the outer ring 6 and the inner ring 5.

[0025] The sealing lip 14 is made of nitrile rubber material, with relatively high wear resistance, which is beneficial to improving the wear resistance of the sealing lip 14 and preventing the wear of the sealing lip 14.

[0026] The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, making equivalent substitutions or changes, shall be covered by the protection scope of the present invention.

Claims

1. A reusable idler roller, comprising an idler roller shaft (3), characterized in that, Both ends of the idler shaft (3) are fixedly connected with bearings (4). The outer shaft surfaces of the bearings (4) are fixedly connected with bearing seats (1). Both of the bearings (4) are sealed by a sealing mechanism. A roller skin (2) is sleeved on the bearing seat (1). An annular fixing groove (21) is formed in the roller skin (2). A plurality of elastic buckles (11) are fixedly connected to the bearing seat (1). A plurality of the elastic buckles (11) are all located in the annular fixing groove (21). A plurality of disassembly grooves (13) are formed in the bearing seat (1). A pressing buckle head (15) is fixedly connected to each of the plurality of elastic buckles (11). A plurality of the pressing buckle heads (15) are all located in the disassembly grooves (13).

2. The reusable idler according to claim 1, wherein, A plurality of insertion grooves (22) are formed in the roller skin (2). A plurality of rotary bosses (12) are fixedly connected to the bearing seat (1). A plurality of the rotary bosses (12) are located in the corresponding insertion grooves (22).

3. The reusable idler according to claim 1, wherein, The sealing mechanism includes an inner ring (5). The inner ring (5) is arranged in the bearing seat (1). An outer ring (6) is arranged on the outer side of the inner ring (5).

4. The reusable idler according to claim 3, characterized in that, Circlips (8) are fixedly connected to both ends of the idler shaft (3). The two circlips (8) are located on the opposite outer sides of the two outer rings (6). A retaining ring (7) is fixedly connected to the bearing seat (1).

5. A reusable idler according to claim 1, wherein, A sealing lip (14) is fixedly connected to the bearing seat (1). The sealing lip (14) abuts against the idler shaft (3).

6. The reusable idler according to claim 5, characterized in that, The sealing lip (14) is made of nitrile rubber material.

7. A reusable idler according to claim 1, characterized in that, The roller skin (2) is made of polytetrafluoroethylene or nylon material.

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