Spherical roller for logistics transmission and belt type transmission equipment

Abstract

The utility model discloses a spherical roller for logistics transmission and belt type transmission equipment, the spherical roller comprises a roller body, the generatrix of the roller body is a convex arc line, the arc line is in axial symmetry with respect to the symmetry plane of the arc line, the roller body is coaxially provided with a cylindrical hole, and a rotating shaft is connected in the cylindrical hole. The utility model solves the problem that the belt is easy to damage and deviate.

Description

Technical Field

[0001] The utility model belongs to the technical field of logistics transmission equipment, and relates to a spherical roller for logistics transmission and a belt transmission equipment. Background Art

[0002] In the field of logistics transmission, a belt is wrapped around a roller, and under the drive of the roller, express packages are transmitted on the belt. Usually, cylindrical rollers or conical rollers with a certain taper are used.

[0003] However, when using the existing cylindrical rollers or conical rollers, the belt is easily damaged and prone to deviation, and a deviation rectifier needs to be additionally installed, resulting in a higher cost. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a spherical roller for logistics transmission and a belt transmission equipment, which solves the problems that the existing roller-driven belt is easily damaged and prone to deviation.

[0005] The technical solution adopted by the utility model is as follows:

[0006] In the first aspect, the utility model provides a spherical roller for logistics transmission, including a roller body. The generatrix of the roller body is an outward convex arc line, and the arc line is axisymmetric about its symmetry plane. A cylindrical hole is coaxially arranged in the roller body, and a rotating shaft is connected in the cylindrical hole.

[0007] Further, the interior of the roller body has a hollow part.

[0008] Further, the hollow part includes a plurality of through holes uniformly surrounding the central axis of the roller body.

[0009] Further, the path of the through hole is arc-shaped and axisymmetric about the symmetry plane.

[0010] Further, counterbore holes are provided at both ends of the cylindrical hole, and at least two end caps are sleeved and welded on the rotating shaft. Each end cap is welded to the inner wall of the corresponding counterbore hole.

[0011] In the second aspect, the utility model provides a belt transmission equipment, including a driving mechanism, a belt and at least two spherical rollers for logistics transmission as described above. The driving mechanism is adapted to drive at least one of the spherical rollers to rotate around its own central axis. The two spherical rollers are parallel and aligned, and the belt is tensioned on the circumferential surfaces of the two spherical rollers.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The spherical drum of the present utility model includes a drum body. The generatrix of the drum body is an outwardly convex arc line, and the arc line is axisymmetric about its symmetry plane. During operation, the belt is wrapped around the spherical drum. Since the arc line is axisymmetric about itself, the main stress point of the belt is located in the central region of the arc line, and it is not easy for the belt to deviate during rotation. Usually, a belt deviation corrector does not need to be installed, the cost is low, and the fact that the belt is not easy to deviate also reduces the lateral friction between the belt and the drum body, making the belt not easy to be damaged and extending its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present utility model, and thus should not be regarded as limiting the scope. For those of ordinary skill in the art, without creative efforts, other related drawings can also be obtained based on these drawings, where:

[0015] Figure 1 is a schematic structural diagram of a spherical drum for logistics transmission according to an embodiment of the present utility model;

[0016] Figure 2 is a schematic layout diagram of through holes according to an embodiment of the present utility model;

[0017] Markings in the figure:

[0018] 10 - drum body;

[0019] 11 - circular arc; 12 - cylindrical hole; 13 - rotating shaft; 14 - through hole; 15 - counterbore; 16 - end cover. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] In order to make the objectives, technical solutions and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model, that is, the described embodiments are only some embodiments of the present utility model, rather than all embodiments. Usually, the components of the embodiments of the present utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0021] Therefore, the detailed description of the embodiments of the present utility model provided in the drawings below is not intended to limit the scope of the claimed present utility model, but only represents the selected embodiments of the present utility model. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

[0022] It should be noted that 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 terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising 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, an element defined by the statement "comprising a..." does not exclude the presence of additional identical elements in the process, method, article or device comprising the element.

[0023] As described in the background art, in the field of logistics transmission, a belt is wrapped around a roller, and under the drive of the roller, express packages are transmitted on the belt. Usually, cylindrical rollers or conical rollers with a certain taper are used for the rollers. However, when using the existing cylindrical rollers or conical rollers, the belt is easily damaged and prone to deviation, and a deviation rectifier needs to be additionally installed, resulting in a relatively high cost.

[0024] Based on this, the inventor created a spherical roller for logistics transmission and a belt transmission device of the present application to solve the above technical problems.

[0025] The features and performance of the present utility model will be further described in detail below in conjunction with embodiments.

[0026] Embodiment

[0027] Please refer to Figure 1 、 Figure 2 , in a first aspect, the present utility model provides a spherical roller for logistics transmission, including a roller body 10. The generatrix of the roller body 10 is an outwardly convex arc line, and the arc line is axisymmetric about its symmetry plane. A cylindrical hole 12 is coaxially provided in the roller body 10, and a rotating shaft 13 is connected in the cylindrical hole 12. Here, it should be noted that the "spherical surface" in the spherical roller is formed by the rotation of the arc line. Exactly because the arc line is outwardly convex, after the belt is wrapped around the spherical roller, the force is mainly concentrated in the middle, so that it will not deviate. Here, the rotating shaft 13 is used to connect an external motor for driving.

[0028] The spherical roller of the present utility model comprises a roller body 10. The generatrix of the roller body 10 is an outwardly convex arc line, and the arc line is axially symmetric about its symmetry plane. During operation, a belt is wrapped around the spherical roller. Since the arc line is axially symmetric about itself, the main stress points of the belt are located in the central region of the arc line, and it is not easy for the belt to deviate during rotation. Generally, it is not necessary to install a belt deviation corrector, with low cost. The fact that the belt is not easy to deviate also reduces the lateral friction between the belt and the roller body 10, making the belt not easy to be damaged and extending its service life.

[0029] In another embodiment, the interior of the roller body 10 has a hollow part. By providing the hollow part, the material used can be reduced, the self-weight of the spherical roller can be lowered, and the driving power required by the driving motor can be reduced. Preferably, the hollow part comprises a plurality of through holes 14 evenly surrounding the central axis of the roller body 10. With such a setting, the plurality of through holes 14 are evenly distributed, facilitating the smooth rotation of the spherical roller. Preferably, the path of the through hole 14 is in an arc shape 11 and is axially symmetric about the symmetry plane. Compared with the straight through hole 14, such a setting can save more materials.

[0030] In another embodiment, counterbore holes 15 are provided at both ends of the cylindrical hole 12, and at least two end caps 16 are sleeved and welded on the rotating shaft 13, and each end cap 16 is welded to the inner wall of the corresponding counterbore hole 15. With such a setting, the connection of the rotating shaft 13 is more reliable and stable.

[0031] In a second aspect, the present utility model provides a belt conveyor device, comprising a driving mechanism, a belt and at least two spherical rollers for logistics transmission as described above. The driving mechanism is adapted to drive at least one of the spherical rollers to rotate about its own central axis. The two spherical rollers are parallel and aligned, and the belt is tensioned on the circumferential surfaces of the two spherical rollers. For example, the driving mechanism can be a motor. The driving mechanism drives one of the spherical rollers to rotate, driving the tensioned belt to move, realizing the transmission of express packages.

[0032] The above are only the preferred embodiments of the present utility model and are not intended to limit the protection scope of the present utility model. Any modifications, equivalent replacements, and improvements made by those skilled in the art within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A spherical roller for logistics transmission, comprising a roller body, characterized in that: The generatrix of the drum body is an outwardly convex arc line, and the arc line is axially symmetrical about its symmetry plane. The drum body is coaxially provided with a cylindrical hole, and a rotating shaft is connected in the cylindrical hole.

2. A spherical roller for logistics transmission according to claim 1, characterized in that: The drum body has a hollow portion inside.

3. The spherical roller for logistics transmission according to claim 2, characterized in that: The hollow portion includes a plurality of through holes uniformly surrounding the central axis of the drum body.

4. The spherical roller for logistics transmission according to claim 3 is characterized in that: The path of the through hole is in an arc shape and is symmetrical about the symmetry plane.

5. The spherical roller for logistics transmission according to claim 1, characterized in that: Countersunk holes are arranged at both ends of the cylindrical hole, and at least two end covers are sleeved and welded on the rotating shaft, and each end cover is welded to the inner wall of the corresponding countersunk hole.

6. A belt transmission device, characterized in that: It comprises a driving mechanism, a belt and at least two spherical rollers for logistics transmission as described in any one of claims 1 to 5, wherein the driving mechanism is suitable for driving at least one of the spherical rollers to rotate around its own central axis, the two spherical rollers are parallel and aligned, and the belt is tensioned on the circumferential surfaces of the two spherical rollers.

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