CN213754157U

CN213754157U - Outer rotor chute rubber coating drum motor

Info

Publication number: CN213754157U
Application number: CN202022649002.7U
Authority: CN
Inventors: 杨洁; 顾健; 王凯
Original assignee: Dibaishi Motor Technology Suzhou Co ltd
Current assignee: Moandi (Suzhou) Motor Technology Co.,Ltd.
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-07-20
Anticipated expiration: 2030-11-16

Abstract

The utility model discloses an outer rotor chute rubber coating cylinder motor, it includes the external rotor, motor shaft and stator, the external rotor includes the cylinder, end cover and permanent magnet, the cylinder is both ends open-ended barrel, the cylinder includes the inner tube and attaches the rubber coating that sets up in the inner tube lateral wall, the lateral wall of rubber coating is seted up and is inclined and extend to the chute of the other end by the one end of rubber coating for the generating line of cylinder, and a plurality of chutes set up along the circumference parallel even interval of rubber coating, both ends lid is connected respectively in the both ends of cylinder and seals the opening, the cylinder encloses into the installation cavity with the end cover, the center of end cover sets up the shaft hole coaxial with the cylinder, a plurality of permanent magnets evenly set up in the inside wall of cylinder along circumference; the motor shaft penetrates through the outer rotor through the shaft hole, the middle part of the motor shaft is positioned in the mounting cavity, two ends of the motor shaft extend out of the two end covers, and the outer rotor and the motor shaft can rotate relatively; the stator is arranged in the mounting cavity corresponding to the permanent magnet and coaxially sleeved and fixedly mounted on the motor shaft.

Description

Outer rotor chute rubber coating drum motor

Technical Field

The utility model belongs to the technical field of the cylinder motor, especially, relate to an outer rotor chute rubber coating cylinder motor.

Background

The outer rotor roller motor is generally used as a power source to drive a conveyor belt to rotate, and is widely applied to various conveyor belt conveying devices. However, the existing roller motor has some defects, for example, when the conveyor belt and the roller work in a matching manner, the conveyor belt is easy to slip, the synchronous operation of the roller and the conveyor belt cannot be ensured, the conveying efficiency is influenced, and the production progress is delayed.

The above description is included in the technical recognition scope of the inventors, and does not necessarily constitute the prior art.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model aims at providing an outer rotor chute rubber coating cylinder motor, difficult skidding between conveyer belt and the cylinder guarantees the synchronous operation of cylinder and conveyer belt, guarantees production transmission efficiency, and the practicality is strong.

In order to achieve the purpose, the utility model provides an outer rotor chute rubber coating roller motor which is characterized in that, the outer rotor chute rubber coating drum motor comprises: an outer rotor comprising a drum, an end cap and permanent magnets, the roller is a cylinder body with openings at two ends, the roller comprises an inner cylinder and rubber coating attached to the outer side wall of the inner cylinder, the outer side wall of the rubber coating is provided with a chute which is inclined relative to a bus of the roller and extends from one end of the rubber coating to the other end, the plurality of chutes are uniformly arranged in parallel at intervals along the circumferential direction of the rubber coating, the two end covers are respectively connected with the two ends of the rotary drum and seal the opening, the roller and the end cover enclose a mounting cavity, a shaft hole coaxial with the roller is formed in the center of the end cover, and the permanent magnets are uniformly arranged on the inner side wall of the roller along the circumferential direction; the motor shaft penetrates through the outer rotor through the shaft hole, the middle part of the motor shaft is positioned in the mounting cavity, two ends of the motor shaft extend out of the two end covers, and the outer rotor and the motor shaft can rotate relatively; and the stator is arranged in the mounting cavity corresponding to the permanent magnet and coaxially sleeved and fixedly mounted on the motor shaft.

In one example, the oblique angle of the chute relative to the generatrix of the drum is 10 ° to 40 °.

In one example, the width of the chute is 3-8 mm, and the depth is 0.5-2 mm.

In one example, the encapsulated surface is sanded.

In one example, the encapsulation is made of TPU polyurethane materials, and the Shore hardness of the encapsulation is 80-90 HA.

In one example, the encapsulation is made of TPU polyurethane materials, and the Shore hardness of the encapsulation is 75-85 HA.

In one example, the overmold is flush with both ends of the inner barrel.

In one example, the outer rotor chute rubber-coated roller motor further comprises a position sensor PCB, the position sensor PCB is disposed in the mounting cavity and is fixedly connected with the motor shaft, and the position sensor PCB can sense the position of the permanent magnet of the outer rotor and control the rotation speed and the position of the outer rotor.

In one example, the outer rotor chute rubber-coated roller motor further comprises a bearing, a bearing groove is formed around the shaft hole outside the end cover, the two bearings are respectively installed in the bearing grooves of the two end covers, and the outer rotor is rotatably supported on the motor shaft through the two bearings.

Through the utility model provides an outer rotor chute rubber coating cylinder motor can bring following beneficial effect:

1. the roller is contacted with the conveying belt through the outer surface of the rubber coating and is stressed, and the roller rotates to generate friction force in the direction vertical to the pressure so as to drive the conveying belt to move; through setting up the chute, can increase the frictional force of cylinder surface, and the rubber coating surface can all produce elastic deformation with the rotation direction along the cylinder along the axial of cylinder with the conveyer belt, make rubber coating surface and conveyer belt along cylinder rotation direction and along the increase of cylinder axial frictional force, anti-skidding is effectual, the difficult phenomenon of skidding that takes place between conveyer belt and the cylinder, guarantee the synchronous operation of cylinder and conveyer belt, can prevent the conveyer belt simultaneously along the axial slip of cylinder, guarantee that direction of delivery is accurate difficult for squinting, the transmission is reliable and stable, guarantee production transmission efficiency, and chute simple structure, processing is simple and convenient, low in manufacturing cost, therefore, the clothes hanger is strong in practicability, and is suitable for popularization and application.

2. Through the inclination that changes the chute, can change the rubber coating surface and receive when the extrusion, along cylinder axial and the ascending elastic deformation distribution of cylinder rotation direction, and then change the cylinder and distribute along rotation direction and along axial frictional force for the cylinder can be applicable to the demand under the different use scenes, and application scope is wide, and the practicality is strong, is fit for popularizing and applying.

3. The TPU thermoplastic polyurethane elastomer rubber is a high polymer material with the characteristics of high strength, tear resistance, wear resistance and the like, the rubber coating is not easy to damage, the outer rotor can be protected, the service life of the outer rotor chute rubber-coated roller motor is prolonged, the surface roughness of the rubber coating is high, the friction force of the outer surface of the roller can be further increased, the anti-skidding effect of the rubber coating is improved, the outer surface of the rubber coating can be tightly attached to the surface of a conveying belt, the transmission stability and reliability of the roller are improved, the practicability is high, and the TPU thermoplastic polyurethane elastomer rubber is suitable for popularization and application.

4. By galvanizing the surface of the inner cylinder, a compact basic zinc carbonate film can be generated on the zinc surface in humid air, and the standard electrode potential of zinc is-0.76V, so that if the galvanized layer is an anode, the galvanized layer can be dissolved by itself to protect a steel matrix, and the function can be realized even if the galvanized layer on the surface is incomplete; the zinc coating has mechanical protection effect and electrochemical protection effect on the inner barrel, protects the inner barrel from being corroded, and has strong practicability.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

fig. 1 is an exploded view of an outer rotor chute encapsulated drum motor according to the present invention;

fig. 2 is a cross-sectional view of the outer rotor chute rubber-coated drum motor of the present invention.

Detailed Description

In order to more clearly explain the overall concept of the present invention, the following detailed description is given by way of example in conjunction with the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. In the description herein, references to the description of the terms "an aspect," "some aspects," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the aspect or example is included in at least one aspect or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same solution or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more aspects or examples.

As shown in fig. 1-2, an embodiment of the present invention provides an outer rotor chute rubber-coated drum motor 100, which includes an outer rotor 1, a motor shaft 2 and a stator 3, the outer rotor 1 includes a drum 11, end caps 12 and permanent magnets 13, the drum 11 is a drum body with openings at both ends, the drum 11 includes an inner drum 111 and rubber coatings 112 attached to the outer side wall of the inner drum 111, the outer side wall of the rubber coatings 112 is provided with chutes 1121, which are inclined relative to a bus of the drum 11 and extend from one end of the rubber coatings 112 to the other end, and a plurality of chutes 1121 are arranged along the circumferential direction of the rubber coatings 112 at equal intervals, the two end caps 12 are respectively connected to both ends of the drum 11 and close the openings, the drum 11 and the end caps 12 enclose an installation cavity 14, the center of the end caps 12 is provided with a shaft hole 121 coaxial with the drum 11, and a plurality of permanent magnets 13 are evenly arranged on the inner side wall of the drum 11 along the circumferential direction; the motor shaft 2 penetrates through the outer rotor 1 through the shaft hole 121, the middle part of the motor shaft 2 is positioned in the installation cavity 14, two ends of the motor shaft 2 extend out of the two end covers 12, and the outer rotor 1 and the motor shaft 2 can rotate relatively; the stator 3 is disposed in the mounting cavity 14 corresponding to the permanent magnet 13 and coaxially sleeved and fixedly mounted on the motor shaft 2. The roller 11 is contacted with the conveying belt through the outer surface of the rubber coating 112 and is subjected to pressure, and the roller 11 rotates to generate friction force in the direction perpendicular to the pressure so as to drive the conveying belt to move; through setting up chute 1121, can increase the frictional force of cylinder 11 surface, and elastic deformation can all be produced along the axial of cylinder 11 and along the rotation direction of cylinder 11 to rubber coating 112 surface and conveyer belt, make rubber coating 112 surface and conveyer belt along cylinder 11 rotation direction and along the axial frictional force increase of cylinder 11, anti-skidding is effectual, the phenomenon of skidding is difficult for taking place between conveyer belt and the cylinder 11, guarantee the synchronous operation of cylinder 11 and conveyer belt, can prevent the conveyer belt from following the axial slip of cylinder 11 simultaneously, guarantee that the direction of delivery is accurate difficult for squinting, the transmission is reliable and stable, guarantee production transmission efficiency, and chute 1121 simple structure, processing is simple and convenient, low in manufacturing cost, therefore, the clothes hanger is strong in practicability, and is suitable for popularization and application.

In one embodiment, the outer sidewall of the rubber 112 is provided with 24 inclined slots 1121.

Specifically, the inclined angle of the inclined groove 1121 with respect to the generatrix of the drum 11 is 10 ° to 40 °. Through changing the inclination of chute 1121, can change when the rubber coating 112 surface receives the extrusion, along the ascending elastic deformation distribution of cylinder 11 axial and cylinder 11 rotation direction, and then change cylinder 11 along rotation direction and along axial frictional force distribution for the demand under the different use scenes can be applicable to cylinder 11, and application scope is wide, and the practicality is strong, is fit for popularizing and applying.

In one embodiment, the inclined angle of the inclined slot 1121 with respect to the inclined slot is preferably 45 °.

Specifically, the width of the inclined groove 1121 is 3 to 8mm, and the depth thereof is 0.5 to 2 mm. The width of the inclined groove 1121 is always larger than the depth, the smaller the depth of the inclined groove 1121 is, the more stable the surface of the rubber coating 112 is, the friction deformation is not easy to generate, the practicability is high, and the rubber coating is suitable for popularization and application.

In one embodiment, the angled slots 1121 were 3mm in width and 0.8mm in depth.

Specifically, the surface of the encapsulation 112 is sanded. The rubber coating 112 has high surface roughness, the friction force of the rubber coating 112 is increased, the anti-skidding effect of the rubber coating 112 is improved, the rubber coating 112 is not easy to skid when in contact operation with a contact surface, the stable operation of the outer rotor chute rubber coating roller motor 100 is ensured, the stability and the reliability of transmission are improved, the requirement on the surface processing precision of the rubber coating 112 is low, the processing is simple and convenient, the practicability is high, and the rubber coating 112 is suitable for popularization and application.

Specifically, the encapsulation 112 is made of TPU (thermoplastic polyurethanes) polyurethane material, and the Shore hardness of the encapsulation 112 is 80-90 HA. The TPU thermoplastic polyurethane elastomer rubber is a high polymer material with the characteristics of high strength, tear resistance, wear resistance and the like, the rubber coating 112 is not easy to damage, the outer rotor 1 can be protected, the service life of the outer rotor chute rubber-coated roller motor 100 is prolonged, the surface roughness of the rubber coating 112 is high, the friction force of the outer surface of the roller 11 can be further increased, the anti-skid effect of the rubber coating 112 is improved, the outer surface of the rubber coating 112 can be tightly attached to the surface of a conveyor belt, the transmission stability and reliability of the roller 11 are improved, the practicability is high, and the TPU thermoplastic polyurethane elastomer rubber is suitable for popularization and application.

In one particular embodiment, the shore hardness of the overmold 112 is preferably 85 HA.

Specifically, the inner tube 111 is made of low carbon steel, and the surface of the inner tube 111 has a zinc plating layer. The plasticity and toughness of the low-carbon steel are good, the inner cylinder 111 is not easy to break when deformed, the integral strength of the inner cylinder 111 is ensured, and the service life of the outer rotor chute rubber-coated roller motor 100 is prolonged. By galvanizing the surface of the inner cylinder 111, a compact basic zinc carbonate film can be generated on the zinc surface in humid air, and the standard electrode potential of zinc is-0.76V, so that if the galvanized layer is an anode, the galvanized layer can be dissolved by itself to protect a steel matrix, and the effect can be achieved even if the surface galvanized layer is incomplete; the zinc coating has mechanical protection effect and electrochemical protection effect on the inner barrel 111, the inner barrel 111 is protected from corrosion, the practicability is high, and the zinc coating is suitable for popularization and application.

In one embodiment, the inner cylinder 111 is made of 20# steel, the 20# steel is high-quality low-carbon steel, cold extrusion, carburizing and hardening steel, the strength is slightly low, but the toughness, the plasticity and the weldability are good, the tensile strength is 253 and 500MPa, and the elongation is more than or equal to 24%.

Specifically, the encapsulation 112 is flush with both ends of the inner barrel 111. The rubber coating 112 can wrap up in the lateral wall of inner tube 111 completely, and rubber coating 112 is supported by the 111 lateral walls of inner tube, guarantees that the conveyer belt is even with the during operation of 11 contact of cylinder atress, and difficult emergence skew slope guarantees to carry the effect, and the practicality is strong, is fit for popularizing and applying.

Specifically, the outer rotor chute rubber-coated drum motor 100 further comprises a position sensor PCB, the position sensor PCB is disposed in the mounting cavity 14 and is fixedly connected with the motor shaft 2, and the position sensor PCB can sense the position of the permanent magnet 13 of the outer rotor 1 and control the rotation speed and the position of the outer rotor 1. Through built-in position sensor PCB board integration in installation cavity 14, form the integral type motor from taking speed control device, can the rotational speed and the rotational position of accurate control external rotor chute rubber coating cylinder motor 100, the operation is stable reliability high, effectively improve external rotor chute rubber coating cylinder motor 100's work efficiency, the user need not to connect speed control device in addition and arrange the mounted position for speed control device alone when using, and is simple and convenient to use, practice thrift installation space, reduce use cost, and external rotor chute rubber coating cylinder motor 100's simple structure is compact, light in weight, be favorable to reducing whole volume, reduce the space and occupy, improve space utilization, can adapt to narrow and small installation operational environment, therefore, the clothes hanger is strong in practicability, and is suitable for popularization and application.

Specifically, the outer rotor chute rubber-coated drum motor 100 further comprises a bearing 4, a bearing 4 groove is arranged around the shaft hole 121 outside the end cover 12, the two bearings 4 are respectively installed in the bearing 4 grooves of the two end covers 12, and the outer rotor 1 is rotatably supported on the motor shaft 2 through the two bearings 4. The outer rotor 1 is rotatably supported on the motor shaft 2 through the bearing 4, the outer rotor 1 is supported to rotate stably, the rotating resistance of the outer rotor 1 is effectively reduced, the rotating speed of the outer rotor 1 is favorably improved, and the performance of the outer rotor chute rubber-coated roller motor 100 is better; simultaneously, through setting up bearing 4 groove in the end cover 12 outside, bearing 4 adorns outward on end cover 12, simple structure, and the equipment of the 1 cylinder 11 motor of outer rotor of being convenient for improves the packaging efficiency, has reduced the maintenance dismouting degree of difficulty, and the practicality is strong.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.

The above are merely examples of the present invention, and are not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. An outer rotor chute rubber coating cylinder motor, its characterized in that, outer rotor chute rubber coating cylinder motor includes:

the outer rotor comprises a roller, end covers and permanent magnets, the roller is a cylinder body with openings at two ends, the roller comprises an inner cylinder and rubber coating attached to the outer side wall of the inner cylinder, the outer side wall of the rubber coating is provided with chutes which are inclined relative to a bus of the roller and extend from one end of the rubber coating to the other end of the rubber coating, the chutes are arranged in parallel and uniformly at intervals along the circumferential direction of the rubber coating, the two end covers are respectively connected to two ends of the roller and seal the openings, the roller and the end covers enclose an installation cavity, the center of each end cover is provided with a shaft hole coaxial with the roller, and the permanent magnets are uniformly arranged on the inner side wall of the roller along the circumferential direction;

the motor shaft penetrates through the outer rotor through the shaft hole, the middle part of the motor shaft is positioned in the mounting cavity, two ends of the motor shaft extend out of the two end covers, and the outer rotor and the motor shaft can rotate relatively; and

the stator is arranged in the mounting cavity corresponding to the permanent magnet and coaxially sleeved and fixedly mounted on the motor shaft.

2. The external rotor chute encapsulated drum motor of claim 1, wherein the inclination angle of said chute relative to the generatrix of said drum is between 10 ° and 40 °.

3. The outer rotor chute encapsulated roller motor as claimed in claim 1, wherein the width of the chute is 3-8 mm and the depth is 0.5-2 mm.

4. The external rotor chute encapsulated drum motor of claim 1, wherein said encapsulated surface is frosted.

5. The outer rotor chute rubber-coated roller motor as claimed in claim 2, wherein the rubber coating is made of TPU polyurethane material, and the Shore hardness of the rubber coating is 80-90 HA.

6. The external rotor chute encapsulated roller motor as recited in claim 1, wherein said inner cylinder is made of mild steel and the surface of said inner cylinder has a zinc coating.

7. The external rotor chute encapsulated drum motor of claim 1, wherein said encapsulation is flush with both ends of said inner drum.

8. The outer rotor chute encapsulated drum motor as claimed in any one of claims 1 to 7, further comprising a position sensor PCB board disposed in said mounting cavity and fixedly connected to said motor shaft, said position sensor PCB board being capable of sensing the position of said permanent magnets of said outer rotor and controlling the rotation speed and position of said outer rotor.

9. The outer rotor chute encapsulated drum motor as recited in any one of claims 1 to 7, further comprising bearings, wherein said end caps are provided with bearing grooves around said shaft hole, said bearings are respectively mounted in said bearing grooves of said end caps, and said outer rotor is rotatably supported on said motor shaft by said bearings.