Light core-shaft-free mute roller

By designing a light-weight mandrel-free silent roller, using a tapered hexagonal shaft shuttle and spring prepressure to control vibration, and reducing the existence of mandrel, the problems of noise, vibration and non-standard customization in the prior art are solved, and the effects of reducing noise, improving service life and improving production efficiency are achieved.

CN223015677UActive Publication Date: 2025-06-24CHANGZHOU SOSI INTELLIGENT TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422123601.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-30
Publication Date
2025-06-24
Estimated Expiration
2034-08-30

AI Technical Summary

Technical Problem

In existing logistics conveying rollers, metal hexagonal ends shake in the roller installation frame, causing noise and vibration, affecting service life. Due to the demand for non-standard customization, processing equipment and materials types have been increased, and production efficiency has been reduced.

Method used

A light-duty mandrel-free silent roller is designed, consisting of three modules: active end transmission device, steel pipe and driven end. Through the close cooperation of the conical hexagonal shaft shuttle and the frame, combined with the spring prepressure, the vibration of the roller is controlled, and the mandrel-free design is adopted to reduce the presence of the mandrel.

Benefits of technology

Significantly reduce equipment noise, improve service life, reduce non-standard customized processing volume by 50%, reduce factory processing equipment and material types, and improve production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a light core-shaft-free mute roller which is characterized by consisting of three modules, namely a driving end head transmission device (1), a steel pipe (2) and a driven end head (3), wherein the driving end head transmission device (1) and the driven end head (3) are in interference connection through deformation of the end heads at the two ends of the steel pipe (2) to form a whole; conical hexagonal shaft shuttles (12) of the driving end head transmission device (1) and the driven end head (3) can be elastically pressed in, installation is convenient, the conical hexagonal shaft shuttles (12) can be in seamless fit with a roller installation rack, and the rack can apply certain pre-pressure to a compression spring (14) after installation; the steel pipe (2) serves as a roller supporting face, and the interior of the steel pipe (2) is designed without a mandrel. Compared with a traditional metal mandrel roller, vibration of the roller in the upper, lower, left, right, front and back directions can be controlled through close fit of the conical shaft shuttle and the rack and fixation of spring pre-pressure, equipment noise can be remarkably reduced, the service life is prolonged, meanwhile, due to the fact that the mandrel is reduced, the non-standard customized machining amount is reduced by 50%, and the production cost is reduced. And factory processing equipment, production procedures and material types are reduced, and the production efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to a light coreless silent roller in the field of conveying equipment. Background Art

[0002] Currently, in the design of the drive structure of logistics conveying rollers, using metal hexagonal ends without taper will cause shaking in the roller installation rack, generating noise, which will lead to a large amount of noise in factories that use a large number of roller conveying systems; and more vibrations will cause wear of the rollers and the rack, thereby affecting the service life. At the same time, since the length of the logistics roller depends on the length of the material, and the design standards of each conveying equipment manufacturer are different, the non-standard customization of logistics conveying rollers is very common; for ordinary conventional core shaft rollers, there are two types of non-standard materials, core shafts and steel pipes. In order to improve the customized production efficiency, reduce processing equipment, processes and material types, it is particularly necessary to develop a coreless silent roller for the field of light loads. Summary of the Utility Model

[0003] Based on the above and the deficiencies of the existing structure, the utility model provides a light coreless silent roller, which can reduce equipment noise, improve the service life, reduce factory processing equipment, production processes and material types, and improve production efficiency.

[0004] The technical solution adopted by the utility model is as follows:

[0005] A light coreless silent roller, characterized in that it consists of three modules: a driving end head transmission device (1), a steel pipe (2) and a driven end head (3); wherein the driving end head transmission device (1) and the driven end head (3) are interference-fitted through the deformation of the two ends of the steel pipe (2) to form an integral body; the tapered hexagonal shaft shuttles (12) of the driving end head transmission device (1) and the driven end head (3) can be elastically pressed in for easy installation, and the tapered hexagonal shaft shuttles (12) can be seamlessly fitted with the roller installation rack, and the rack can give a certain pre-pressure to the compression spring (14) after installation; the steel pipe (2) is used as the roller support surface, and a coreless design is adopted inside.

[0006] Among them, the driving end head transmission device (1) consists of a driving end head bearing seat (11), a tapered hexagonal shaft shuttle (12), a bearing end cover (13), a compression spring (14), an output deep groove ball bearing (15), a spring support shaft (16) and an input deep groove ball bearing (17); wherein the output deep groove ball bearing (15) and the input deep groove ball bearing (17) are respectively pressed into both ends of the driving end head bearing seat (11), the inner ring of the output deep groove ball bearing (15) is fitted with the end cover bearing position of the bearing end cover (13), and the inner ring of the input deep groove ball bearing (17) is fitted with the spring support shaft (16), so that all parts form a module.

[0007] Among them, the driven end head (3) is composed of a driven end head bearing seat (31), a conical hexagonal shaft shuttle (12), a bearing end cover (13), a compression spring (14), an output deep groove ball bearing (15), a spring support shaft (16), and an input deep groove ball bearing (17); both ends of the driven end head bearing seat (31) are respectively pressed into the output deep groove ball bearing (15) and the input deep groove ball bearing (17), the inner ring of the output deep groove ball bearing (15) is matched with the end cover bearing position of the bearing end cover (13), and the inner ring of the input deep groove ball bearing (17) is matched with the spring support shaft (16), so that all parts form a module.

[0008] Among them, the driving end head transmission device (1) can be replaced by the driven end head (3), that is, two driven end heads (3) and the steel pipe (2) can be combined into a coreless shaft silent and power-free roller.

[0009] The material of the steel pipe (2) is carbon steel galvanized, stainless steel, aluminum alloy, or PVC. According to requirements, the surface of the steel pipe is sleeved with rubber and wrapped with rubber, and a conical plastic pipe is sleeved.

[0010] The outer part of the driving end head bearing seat (11) is processed with multi-wedge belt grooves, round belt grooves, and toothed belt grooves, so as to realize different structural forms and transmission methods of the roller.

[0011] Compared with the traditional metal core shaft roller, the utility model can control the vibration of the roller in six directions of up, down, left, right, front, and back through the close cooperation between the conical shaft shuttle and the frame and the fixation of the spring pre-pressure, can significantly reduce the equipment noise, improve the service life, and at the same time, due to the reduction of the existence of the core shaft, the non-standard customized processing amount is reduced by 50%, the factory processing equipment, production processes, and material types are reduced, and the production efficiency is improved. Description of the Drawings

[0012] In order to describe the purpose, technical solution, and advantages of the utility model more clearly, the following will further describe the utility model in conjunction with the drawings, where:

[0013] Figure 1 It is the general assembly schematic diagram of the utility model

[0014] Figure 2 It is the cross-sectional view of the steel pipe in the general assembly of the utility model

[0015] Figure 3 It is the cross-sectional view of the general assembly of the utility model

[0016] Figure 4 It is the exploded view of the driven end head of the utility model

[0017] In the figure: Active end drive device (1); Active end bearing seat (11); Tapered hexagonal shaft shuttle (12); Bearing end cover (13); Compression spring (14); Output deep groove ball bearing (15); Spring support shaft (16); Input deep groove ball bearing (17); Steel pipe (2); Driven end (3); Driven end bearing seat (31). Detailed implementation manner

[0018] The following describes the detailed implementation manner of the present utility model in conjunction with the attached drawings. In order to make the purpose, technical solution and advantages of the present application clearer, the following further describes the present application in detail in conjunction with the attached drawings and specific implementation cases. It should be understood that the specific embodiments described herein are only intended to explain the present application, rather than limiting the present application. For those skilled in the art, the present application can be implemented without some of these specific details. The following description of the embodiments is only to provide a better understanding of the present application by presenting examples of the present application.

[0019] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover a non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, the elements defined by the statement "including..." do not exclude the existence of additional identical elements in the process, method, article or device including the said elements.

[0020] It should be noted that the orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc. is based on the orientation or positional relationship shown in the attached drawings, and is only for convenience of description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of this patent.

[0021] It should also be noted that unless otherwise clearly specified and limited, the terms "set", "installed", "connected", "connected", "matched" 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 a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0022] The technical solution adopted by the present utility model is as follows:

[0023] As Figure 1 and Figure 2 shown, a lightweight coreless silent roller is characterized by consisting of three modules: an active end drive device (1), a steel pipe (2), and a driven end (3); among them, the active end drive device (1) and the driven end (3) are interference-fitted through the deformation of the two ends of the steel pipe (2) to form an integral body; the tapered hexagonal shaft shuttles (12) of the active end drive device (1) and the driven end (3) can be elastically pressed in for easy installation, and the tapered hexagonal shaft shuttles (12) can fit seamlessly with the roller installation rack, and the rack can give a certain pre-pressure to the compression spring (14) after installation; the steel pipe (2) serves as the roller support surface and adopts a coreless design inside.

[0024] Among them, the active end drive device (1) can be replaced by the driven end (3), that is, two driven ends (3) and the steel pipe (2) can be combined into a coreless silent non-powered roller.

[0025] As Figure 3 shown, the active end drive device (1) consists of an active end bearing seat (11), a tapered hexagonal shaft shuttle (12), a bearing end cover (13), a compression spring (14), an output deep groove ball bearing (15), a spring support shaft (16), and an input deep groove ball bearing (17); among them, the output deep groove ball bearing (15) and the input deep groove ball bearing (17) are respectively pressed into both ends of the active end bearing seat (11), the inner ring of the output deep groove ball bearing (15) is fitted with the end cover bearing position of the bearing end cover (13), and the inner ring of the input deep groove ball bearing (17) is fitted with the spring support shaft (16), so that all parts form a module.

[0026] As Figure 4 described, the driven end (3) consists of a driven end bearing seat (31), a tapered hexagonal shaft shuttle (12), a bearing end cover (13), a compression spring (14), an output deep groove ball bearing (15), a spring support shaft (16), and an input deep groove ball bearing (17); among them, the output deep groove ball bearing (15) and the input deep groove ball bearing (17) are respectively pressed into both ends of the driven end bearing seat (31), the inner ring of the output deep groove ball bearing (15) is fitted with the end cover bearing position of the bearing end cover (13), and the inner ring of the input deep groove ball bearing (17) is fitted with the spring support shaft (16), so that all parts form a module.

[0027] The material of the steel pipe (2) is carbon steel galvanized, stainless steel, aluminum alloy, or PVC. According to requirements, the surface of the steel pipe is rubber-coated, plastic-coated, or sleeved with a tapered plastic pipe.

[0028] Among them, the outer part of the driving end bearing seat (11) is machined with multi-wedge pulley grooves, round pulley grooves, and toothed pulley grooves, so as to realize different structural forms and transmission modes of the roller.

[0029] Compared with the traditional metal core shaft roller, the utility model can control the vibration of the roller in six directions of up, down, left, right, front and back through the close fit of the tapered shaft shuttle and the frame and the fixation of the spring pre-pressure, can significantly reduce the equipment noise, improve the service life. At the same time, due to the reduction of the existence of the core shaft, the non-standard customized processing amount is reduced by 50%, the factory processing equipment, production processes and material types are reduced, and the production efficiency is improved.

[0030] Although the specific implementation manners of the present utility model have been described above in conjunction with the accompanying drawings, it is not a limitation to the protection scope of the present utility model. Those skilled in the art should understand that based on the technical solution of the present utility model, various modifications or deformations that can be made by those skilled in the art without creative efforts are still within the protection scope of the present utility model.

Claims

1. A lightweight, coreless, silent roller, characterized in that: The invention is composed of three modules, namely, an active end transmission device (1), a steel pipe (2) and a driven end (3); wherein the active end transmission device (1) and the driven end (3) are connected by interference fit through deformation of the ends of the steel pipe (2) to form a whole; the conical hexagonal shaft shuttles (12) of the active end transmission device (1) and the driven end (3) can be elastically pressed in, which is convenient for installation, and the conical hexagonal shaft shuttles (12) can be seamlessly matched with the roller mounting frame. After installation, the frame can give a certain pre-pressure to the compression spring (14), so that the roller will not shake in the mounting frame; the steel pipe (2) serves as the roller support surface, and a coreless shaft design is adopted inside.

2. A lightweight coreless silent roller according to claim 1, characterized in that: The active end transmission device (1) comprises an active end bearing seat (11), a tapered hexagonal shaft shuttle (12), a bearing end cover (13), a compression spring (14), an output deep groove ball bearing (15), a spring support shaft (16) and an input deep groove ball bearing (17); wherein the output deep groove ball bearing (15) and the input deep groove ball bearing (17) are respectively pressed into the two ends of the active end bearing seat (11), the inner ring of the output deep groove ball bearing (15) is matched with the end cover bearing position of the bearing end cover (13), and the inner ring of the input deep groove ball bearing (17) is matched with the spring support shaft (16), so that all parts form a module.

3. A lightweight coreless silent roller according to claim 1, characterized in that: The driven end (3) is composed of a driven end bearing seat (31), a tapered hexagonal shaft shuttle (12), a bearing end cover (13), a compression spring (14), an output deep groove ball bearing (15), a spring support shaft (16) and an input deep groove ball bearing (17); wherein the output deep groove ball bearing (15) and the input deep groove ball bearing (17) are pressed into the two ends of the driven end bearing seat (31) respectively, the inner ring of the output deep groove ball bearing (15) is matched with the end cover bearing position of the bearing end cover (13), and the inner ring of the input deep groove ball bearing (17) is matched with the spring support shaft (16), so that all parts form a module.

4. A lightweight coreless silent roller according to claim 1, characterized in that: The material of the steel pipe (2) is galvanized carbon steel, stainless steel, aluminum alloy, or PVC. The surface of the steel pipe may be covered with rubber or coated with rubber, or covered with a conical plastic pipe according to the needs.

5. A lightweight coreless silent roller according to claim 1, characterized in that: The active end transmission device (1) can be replaced by a driven end (3), that is, the two driven ends (3) and the steel pipe (2) can be combined into a coreless silent and unpowered roller.

6. A lightweight coreless silent roller according to claim 2, characterized in that: The exterior of the active end bearing seat (11) can be processed with a multi-ribbed belt pulley groove, a round belt pulley groove, or a toothed belt pulley groove, thereby enabling the roller to achieve different structural forms and transmission modes.