CN212304922U - Servo outer rotor electric roller device for logistics sorting equipment - Google Patents
Servo outer rotor electric roller device for logistics sorting equipment Download PDFInfo
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- CN212304922U CN212304922U CN202021986272.0U CN202021986272U CN212304922U CN 212304922 U CN212304922 U CN 212304922U CN 202021986272 U CN202021986272 U CN 202021986272U CN 212304922 U CN212304922 U CN 212304922U
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- 230000005540 biological transmission Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model provides a servo outer rotor electric roller device for logistics sorting equipment, which comprises a rotor part, a stator part, a rotating shaft part and a magnetic encoder; the rotor component comprises a cylinder body serving as a shell of the roller device and a magnetic pole fixedly arranged on the inner wall of the cylinder body; the two ends of the cylinder body are respectively provided with a front end cover and a rear end cover, and the middle part of the cylinder body is provided with a middle end cover; the rotating shaft part comprises a secondary shaft and a primary shaft; the auxiliary shaft is arranged on the front end cover through front bearings respectively arranged at two ends; one end of the main shaft is mounted on the middle end cover through a middle bearing, and the other end of the main shaft is mounted on the rear end cover through a rear bearing; the rotating shaft part further comprises a spring, and the auxiliary shaft is provided with a step structure between the front bearings at two ends; the magnetic encoder is fixedly arranged on the main shaft. The utility model discloses can realize quick start, stop fast, high accuracy control rotational speed, high accuracy opens and stops position control, makes the letter sorting equipment action more accurate.
Description
Technical Field
The utility model relates to a commodity circulation letter sorting equipment field particularly, especially relates to a servo external rotor motorized pulley device for commodity circulation letter sorting equipment.
Background
At present, cross belt sorting machines are generally adopted at home and abroad as equipment for sorting packages at high speed in the logistics industry, conveying belts are arranged on trolleys for sorting in the equipment, the belts are conveyed by roller friction, the belts are mainly used for conveying the packages to the trolleys, then the trolleys are transported and packaged to run on rails, when the trolleys run to a specified putting-in opening, the trolleys receive instructions and rapidly put the packages down by the operation of a transmission belt, and the sorting of the packages is completed. In order to improve the sorting efficiency, the driving on the trolley needs to react quickly, and simultaneously, because the sorted wrapping is heavy and light, the power of a motor needing to be driven is higher, and the rotating speed ratio of a roller driving a transmission belt is higher.
The current common application is to use a motor to drive a roller through a reduction gear and a synchronous belt or a brushless direct current outer rotor roller of which the magnetic pole position is sensed by a Hall sensor so as to drive a transmission belt on a trolley. The method that the motor drives the roller through the reduction gear and the synchronous belt has the defects that certain transmission loss is generated, and the efficiency of the reduction gear and the synchronous belt is required to be lost by more than 15 percent at least; meanwhile, gears and synchronous belts in the structure can generate certain abrasion after long-time operation, so that a large amount of later maintenance cost is caused; the noise of the equipment is high due to the use of gears and synchronous belts, and the working environment is seriously influenced when the equipment is operated; the motor is added with the reduction gear and the synchronous belt, so that the structure of the trolley is more complex, more space is occupied, and the number of the effectively sorted trolleys is reduced. The electric roller using the Hall sensor has relatively low control precision, and a higher sorting error rate can occur under the condition that the sorting efficiency requirement is higher and higher.
SUMMERY OF THE UTILITY MODEL
In view of the defects in the prior art, the novel servo outer rotor electric roller device used for driving the logistics sorting equipment is provided, and the electric roller device has the advantages of simple structure, low cost, low running noise, capability of realizing quick start and quick stop, high-precision control of the rotating speed and high-precision start and stop position control, and more accurate action of the sorting equipment.
The utility model discloses a technical means as follows:
a servo outer rotor motorized roller device for logistics sorting equipment comprises a rotor component, a stator component and a rotating shaft component, and further comprises: a magnetic encoder;
the rotor component comprises a cylinder body serving as a shell of the roller device and a magnetic pole fixedly arranged on the inner wall of the cylinder body;
a front end cover and a rear end cover are respectively fixedly arranged at two ends of the cylinder body, and a middle end cover is fixedly arranged in the middle of the cylinder body;
the rotating shaft part comprises a secondary shaft and a primary shaft; the auxiliary shaft is arranged on the front end cover through front bearings respectively arranged at two ends; one end of the main shaft is mounted on the middle end cover through a middle bearing, and the other end of the main shaft is mounted on the rear end cover through a rear bearing;
the rotating shaft part also comprises a spring, the auxiliary shaft is provided with a step structure between the front bearings at two ends, one end of the spring is arranged on the step structure, and the other end of the spring is arranged on the front bearing at the outer side of the auxiliary shaft;
the stator component is fixedly arranged on the main shaft, and the magnetic pole is positioned on the outer side of the stator component;
the magnetic encoder is fixedly arranged on the main shaft.
Further, the magnetic encoder is used to sense the position of the magnetic pole.
Furthermore, the stator part consists of a plurality of silicon steel sheets and windings; the winding is a single-phase winding or a multi-phase winding.
Further, the cylinder is of a cylindrical hollow structure.
Further, the magnetic pole is a permanent magnet with a cylindrical hollow structure, and the magnetic pole is attached to the inner wall of the cylinder body.
Further, the main shaft is of a hollow shaft structure, and the outgoing line of the stator component is led out from the hollow through hole of the hollow shaft structure.
Further, the rotating shaft part further comprises the heat sink, and the heat sink is mounted at the front end of the main shaft.
Compared with the prior art, the utility model has the advantages of it is following:
1. the utility model provides a servo outer rotor electric roller device uses magnetic encoder as position sensor, direct induction rotor magnetic pole, and a rotation a week can produce more than 4000 pulse signals, and the control accuracy is high, and direct induction rotor magnetic pole, and the absolute position relation is between with the rotor; meanwhile, a broken shaft structure is used, the roller fixing shaft is divided into an auxiliary shaft and a main shaft, and the main shaft is used for fixing the stator component and the magnetic encoder; the auxiliary shaft is used for supporting the other end of the roller, and the structure avoids the problem of poor jumping degree of long shaft processing and reduces the processing difficulty.
2. The utility model provides a servo external rotor motorized pulley device uses the elastic shaft structure, places the spring between countershaft step and preceding bearing, and the countershaft extension can compress or stretch, provides an elasticity solution for the fixed of cylinder and support.
3. The utility model provides a servo external rotor motorized pulley device uses radiation type heat abstractor, has solved the big problem of directly driving type cylinder calorific capacity.
Based on the reason, the utility model discloses can extensively promote in fields such as commodity circulation letter sorting equipment.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of the servo outer rotor electric roller device of the present invention.
In the figure: 1. a counter shaft; 2. a front end cover; 3. a spring; 4. a front bearing; 5. a barrel; 6. a heat sink; 7. a middle end cover; 8. a middle bearing; 9. a main shaft; 10. a stator component; 11. a magnetic pole; 12. a magnetic encoder; 13. a rear end cap; 14. a rear bearing; 15. and (6) leading out wires.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. Any specific values in all examples shown and discussed herein are to be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element in question must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.
Example 1
As shown in fig. 1, the utility model provides a servo outer rotor motorized pulley device for commodity circulation letter sorting equipment, including rotor part, stator part 10 and axis of rotation part, still include: a magnetic encoder 12;
the rotor part comprises a cylinder 5 as a shell of the roller device and a magnetic pole 11 fixedly arranged on the inner wall of the cylinder 5;
the two ends of the cylinder 5 are respectively fixedly provided with a front end cover 2 and a rear end cover 13, and the middle part is fixedly provided with a middle end cover 7;
the rotating shaft parts comprise a secondary shaft 1 and a primary shaft 9; the auxiliary shaft 1 is arranged on the front end cover 2 through front bearings 4 respectively arranged at two ends; one end of the main shaft 9 is mounted on the middle end cover 7 through a middle bearing 8, and the other end of the main shaft is mounted on the rear end cover 13 through a rear bearing 14;
the rotating shaft part also comprises a spring 3, the auxiliary shaft 1 is provided with a step structure between the front bearings 4 at two ends, one end of the spring 3 is arranged on the step structure, and the other end of the spring is arranged on the front bearing 4 at the outer side of the auxiliary shaft 1;
the stator part 10 is fixedly arranged on the main shaft 9, and the magnetic pole 11 is positioned outside the stator part 10;
the magnetic encoder 12 is fixedly provided to the spindle 9.
Further, the magnetic encoder 12 is used to sense the position of the magnetic pole 11.
Further, the stator part 9 is composed of a plurality of silicon steel sheets and windings; the winding is a single-phase winding or a multi-phase winding.
Further, the cylinder 5 is a cylindrical hollow structure.
Further, the magnetic pole 11 is a permanent magnet with a cylindrical hollow structure, and the magnetic pole 11 is attached to the inner wall of the cylinder 5.
Further, the magnetic pole 11 is divided into an N pole and an S pole, which are alternately attached to the inner wall of the cylinder 5, and N, S poles alternately pass through the inductive chip of the magnetic encoder 12 when rotating together with the cylinder 5.
Further, the main shaft 9 is a hollow shaft structure, and the leading-out wire 15 of the stator component is led out from a hollow through hole of the hollow shaft structure.
Further, the rotating shaft part further comprises the heat sink 6, and the heat sink 6 is mounted at the front end of the main shaft 9.
Furthermore, one end of each of the auxiliary shaft 1 and the main shaft 9 extends out of the cylinder 5, when the auxiliary shaft 1 and the main shaft 9 are used, the extending parts of the auxiliary shaft 1 and the main shaft 9 are used for fixedly connecting an external support, when the size of the roller is deviated from that of the fixed support, the extending parts of the auxiliary shaft 1 can be stretched/compressed, and the external support can be prevented from deforming and the bearing can be prevented from bearing axial tension.
The utility model discloses a theory of operation: the magnetic encoder 12 senses the position of the magnetic pole 11, an external driver (such as a servo motor) gives corresponding current according to a pulse signal fed back by the magnetic encoder 12, so as to control the stator component 10 to generate a rotating magnetic field attracted with the magnetic pole 11, the rotating magnetic field changes corresponding rotating speed of the rotating magnetic field along with the frequency change of the external driver driving power supply current, and consequently the magnetic pole 11, is driven to rotate correspondingly, and since the magnetic pole 11 is directly attached to the inner wall of the cylinder 5, the stator component 10 is fixed on the main shaft 9, and the two ends of the main shaft 9 are respectively provided with a middle bearing 8 and a rear bearing 14, and is fixed on the cylinder 5 through a middle end cover 7 and a rear end cover 13 to form an outer rotor motor structure, when the main shaft 9 and the auxiliary shaft 1 are fixed, the cylinder 5 can rotate along with the magnetic poles 11 to generate rotation of the roller, so that a conveying belt on sorting equipment is driven; due to the arrangement of the magnetic encoder 12, the absolute position of the magnetic pole can be induced in time, so that the device can be started and stopped rapidly, the position is accurate, and the accurate control of the sorting equipment in a high-speed running state can be met.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.
Claims (7)
1. A servo outer rotor motorized roller apparatus for a logistics sorting apparatus, comprising a rotor component, a stator component (10) and a rotating shaft component, characterized by further comprising: a magnetic encoder (12);
the rotor part comprises a cylinder (5) serving as a shell of the roller device and a magnetic pole (11) fixedly arranged on the inner wall of the cylinder (5);
a front end cover (2) and a rear end cover (13) are respectively fixedly arranged at two ends of the cylinder body (5), and a middle end cover (7) is fixedly arranged in the middle;
the rotating shaft parts comprise a secondary shaft (1) and a primary shaft (9); the auxiliary shaft (1) is arranged on the front end cover (2) through front bearings (4) respectively arranged at two ends; one end of the main shaft (9) is mounted on the middle end cover (7) through a middle bearing (8), and the other end of the main shaft is mounted on the rear end cover (13) through a rear bearing (14);
the rotating shaft part further comprises a spring (3), a step structure is arranged between the front bearings (4) at two ends of the auxiliary shaft (1), one end of the spring (3) is installed on the step structure, and the other end of the spring is installed on the front bearing (4) at the outer side of the auxiliary shaft (1);
the stator component (10) is fixedly arranged on the main shaft (9), and the magnetic pole (11) is positioned outside the stator component (10);
the magnetic encoder (12) is fixedly arranged on the main shaft (9).
2. The servo outer rotor motorized roller apparatus of claim 1, wherein: the magnetic encoder (12) is used for sensing the position of the magnetic pole (11).
3. The servo outer rotor motorized roller apparatus of claim 1, wherein: the stator component (10) is composed of a plurality of silicon steel sheets and windings; the winding is a single-phase winding or a multi-phase winding.
4. The servo outer rotor motorized roller apparatus of claim 1, wherein: the cylinder body (5) is of a cylindrical hollow structure.
5. The servo outer rotor motorized roller apparatus of claim 1, wherein: the magnetic pole (11) is a permanent magnet with a cylindrical hollow structure, and the magnetic pole (11) is attached to the inner wall of the cylinder body (5).
6. The servo outer rotor motorized roller apparatus of claim 3, wherein: the main shaft (9) is of a hollow shaft structure, and the leading-out wire (15) of the stator component is led out from the hollow through hole of the hollow shaft structure.
7. The servo outer rotor motorized roller apparatus of claim 1, wherein: the rotating shaft part further comprises a radiator (6), and the radiator (6) is mounted at the front end of the main shaft (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021986272.0U CN212304922U (en) | 2020-09-11 | 2020-09-11 | Servo outer rotor electric roller device for logistics sorting equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021986272.0U CN212304922U (en) | 2020-09-11 | 2020-09-11 | Servo outer rotor electric roller device for logistics sorting equipment |
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| Publication Number | Publication Date |
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| CN212304922U true CN212304922U (en) | 2021-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021986272.0U Active CN212304922U (en) | 2020-09-11 | 2020-09-11 | Servo outer rotor electric roller device for logistics sorting equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111953103A (en) * | 2020-09-11 | 2020-11-17 | 大连航安翔电机科技有限公司 | Servo outer rotor electric roller device for logistics sorting equipment |
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- 2020-09-11 CN CN202021986272.0U patent/CN212304922U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111953103A (en) * | 2020-09-11 | 2020-11-17 | 大连航安翔电机科技有限公司 | Servo outer rotor electric roller device for logistics sorting equipment |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211203 Address after: 215400 Building 2, No. 36, Dalian East Road, Taicang City, Suzhou City, Jiangsu Province Patentee after: Jiangsu moandi Technology Co.,Ltd. Address before: 116000 1205, block a, design city, No.10 Aixian street, Qixianling, hi tech park, Dalian, Liaoning Patentee before: DALIAN HANG'ANXIANG MOTOR TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215400 Building 2, No. 36, Dalian East Road, Taicang City, Suzhou City, Jiangsu Province Patentee after: Jiangsu Moandi Technology Co.,Ltd. Address before: 215400 Building 2, No. 36, Dalian East Road, Taicang City, Suzhou City, Jiangsu Province Patentee before: Jiangsu moandi Technology Co.,Ltd. |