Improved roller structure

Abstract

The utility model provides an improved roller structure which comprises two bearing seats, a rolling shaft, a roller skin and a connecting key, the number of the bearing seats is two, the two bearing seats are oppositely arranged, the two ends of the rolling shaft are installed in the bearing seats, the roller skin is wrapped outside the rolling shaft, a connecting disc is arranged between the roller skin and the rolling shaft, and the connecting key is connected with the connecting disc. The connecting disc is fixed to the rolling shaft through the expansion sleeve, and the periphery of the connecting disc is welded to the interior of the roller skin. A double-key structure is replaced by a double-expansion-sleeve structure, a key groove does not need to be machined, meanwhile, a hub structure does not need to be used, the structure is simplified, meanwhile, the production cost is reduced, due to the fact that the hub structure is not used, welding spots are reduced, machining after correction is convenient, meanwhile, due to the fact that the welding spots are reduced, the machining difficulty is greatly reduced, and the product consistency is enhanced; the expansion sleeve is fastened in an auxiliary mode through the tensioning block, and the product stability is improved.

Description

Technical Field

[0001] This utility model relates to the field of conveying equipment technology, and in particular to an improved roller structure. Background Technology

[0002] Currently, rollers are used as steering support components in transportation equipment. Rollers are generally set up using a hub and connecting disc. However, the above structure requires keyways to be machined in the corresponding positions during manufacturing to install the hub, which increases the processing cost. At the same time, the hub is required as the support component at both ends of the roller, which also increases the production cost of the entire product. For example, the published patent 202411082334.8 discloses a roller for a belt conveyor and a belt conveyor. The roller for the belt conveyor includes a cylinder, a rotating shaft, a first hub, a second hub, a first tensioning component, and a second tensioning component. The rotating shaft passes through the cylinder and is spaced apart from the inner circumferential surface of the cylinder. The first hub and the second hub are both sleeved on the rotating shaft and are spaced apart from each other along the circumference of the rotating shaft. The first hub and the second hub are respectively located at the left and right ends of the cylinder and are connected to the left and right ends of the cylinder. The first tensioning component and the second tensioning component are both sleeved on the rotating shaft. The first tensioning component is located between the first hub and the rotating shaft and is connected to both the first hub and the rotating shaft. The second tensioning component is located between the second hub and the rotating shaft and is connected to both the second hub and the rotating shaft. The belt conveyor of the present invention has the advantages of simple structure, low cost, and long service life. However, the above structure still requires the use of hubs, which means that the processing cost is still relatively high. Therefore, solving the problem of high processing and raw material costs caused by the use of hubs in the roller is particularly important. Utility Model Content

[0003] The purpose of this invention is to provide an improved roller structure that uses a double expansion sleeve structure instead of a double key structure, eliminating the need for machining keyways and hub structures. This simplifies the structure, reduces production costs, and reduces welding points by eliminating hub structures, facilitating machining after correction. This solves the problem of high processing and raw material costs caused by using hubs in rollers.

[0004] This utility model provides an improved roller structure, including a bearing housing, a roller, a cylinder skin, and a connecting key. There are two bearing housings arranged opposite each other. The two ends of the roller are installed in the bearing housings. The cylinder skin is wrapped around the outside of the roller. A connecting plate is provided between the cylinder skin and the roller. The connecting plate is fixed to the roller by an expansion sleeve, and the outer periphery of the connecting plate is welded to the inside of the cylinder skin.

[0005] A further improvement is that a vibration probe is provided on the bearing housing to detect whether the roller installed in the bearing housing is running.

[0006] A further improvement is that a vibration indicator light is provided on the bearing housing. The vibration indicator light is connected to the vibration probe signal. When the vibration probe senses vibration, the vibration indicator light will light up to indicate danger.

[0007] A further improvement is made by providing a tensioning block between the connecting disc and the expansion sleeve, which improves the sealing and tightness between the connecting disc and the expansion sleeve.

[0008] A further improvement is that the tubular skin is provided with anti-slip texture, and the middle section of the tubular skin is provided with a protrusion.

[0009] A further improvement is that an oil seal groove is provided on the bearing housing, which is used to seal the bearing housing.

[0010] The beneficial effects of this utility model are as follows: the use of a double expansion sleeve structure instead of a double key structure eliminates the need for machining keyways and hub structures, simplifying the structure and reducing production costs. Furthermore, the elimination of hub structures reduces welding points, facilitating machining after correction. The reduced number of welding points also significantly lowers the machining difficulty and enhances product consistency. The tensioning block provides auxiliary fastening to the expansion sleeve, improving product stability. Attached Figure Description

[0011] Figure 1 This is a structural cross-sectional view of the present invention.

[0012] Figure 2 This is a side view of the structure of this utility model.

[0013] Among them: 1-bearing housing, 2-roller, 3-cylinder skin, 4-connecting disc, 5-expansion sleeve, 6-vibration probe, 7-vibration indicator light, 8-tensioning block, 9-anti-slip texture, 10-protrusion, 11-oil seal groove. Detailed Implementation

[0014] To enhance understanding of this utility model, the following detailed description will be provided in conjunction with embodiments. These embodiments are for illustrative purposes only and do not constitute a limitation on the scope of protection of this utility model.

[0015] like Figure 1-2As shown, this embodiment provides an improved roller structure, including a bearing housing 1, a roller 2, a cylindrical shell 3, and a connecting key 4. Two bearing housings 1 are arranged opposite each other. Both ends of the roller 2 are installed in the bearing housings 1. The cylindrical shell 3 wraps around the roller 2. A connecting disc 4 is provided between the cylindrical shell 3 and the roller 2. The connecting disc 4 is fixed to the roller 2 by an expansion sleeve 5, and the outer periphery of the connecting disc 4 is welded to the inside of the cylindrical shell 3. A vibration probe 6 is provided on the bearing housing 1 to detect whether the roller 2 installed in the bearing housing 1 is running. A vibration indicator light 7 is provided on the bearing housing 1, and the vibration indicator light 7 is signal-connected to the vibration probe 6. When the vibration probe 6 senses vibration, the vibration indicator light 7 illuminates to indicate a danger. A tensioning block 8 is provided between the connecting disc 4 and the expansion sleeve 5 to improve the sealing and tightness between the connecting disc 4 and the expansion sleeve 5. The cylindrical shell 3 is provided with anti-slip texture 9, and a protrusion 10 is provided in the middle section of the cylindrical shell 3. The bearing housing 1 has a pre-reserved oil seal groove 11, which seals the bearing housing 1. A ring of the receiving plate is welded around the inside of the cylinder shell, and a Z8 expansion sleeve connects the inner hole of the receiving plate to the shaft, completing the assembly of the roller bearing housing. Using a double expansion sleeve structure instead of a double key structure eliminates the need for keyway machining and hub structure, simplifying the structure and reducing production costs. Furthermore, the absence of a hub structure reduces weld points, facilitating machining after correction. The reduced weld points also significantly lower the machining difficulty and enhance product consistency. Tensioning blocks 8 provide auxiliary tightening of the expansion sleeve 5, improving product stability.

Claims

1. An improved roller structure, comprising bearing seats (1), rollers (2), a cylindrical shell (3), and a connecting key (4), wherein there are two bearing seats (1) arranged opposite to each other, both ends of the rollers (2) are installed in the bearing seats (1), the cylindrical shell (3) is wrapped around the outside of the rollers (2), and a connecting disc (4) is provided between the cylindrical shell (3) and the rollers (2), characterized in that: The connecting disc (4) is fixed to the roller (2) by the expansion sleeve (5), and the outer periphery of the connecting disc (4) is welded to the inside of the cylinder skin (3).

2. An improved drum structure as claimed in claim 1, wherein: A vibration probe (6) is provided on the bearing housing (1) to detect whether the roller (2) installed in the bearing housing (1) is jumping.

3. An improved drum structure as claimed in claim 2 wherein: The bearing housing (1) is provided with a vibration indicator light (7), which is connected to the vibration probe (6) for signal indication. When the vibration probe (6) senses vibration, the vibration indicator light (7) lights up to indicate danger.

4. The improved roller structure as described in claim 1, characterized in that: A tensioning block (8) is provided between the connecting disc (4) and the expansion sleeve (5) to improve the sealing and tightness between the connecting disc (4) and the expansion sleeve (5).

5. The improved drum structure as claimed in claim 1 wherein: The tubular skin (3) is provided with anti-slip texture (9), and the middle section of the tubular skin (3) is provided with protrusion (10).

6. An improved drum structure as claimed in any one of the claims 1 to 3 wherein: The bearing housing (1) has an oil seal groove (11) reserved on it, and the bearing housing (1) is sealed by the oil seal groove (11).

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