CN216216461U - Magnetic coupling - Google Patents
Magnetic coupling Download PDFInfo
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- CN216216461U CN216216461U CN202122418398.9U CN202122418398U CN216216461U CN 216216461 U CN216216461 U CN 216216461U CN 202122418398 U CN202122418398 U CN 202122418398U CN 216216461 U CN216216461 U CN 216216461U
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- end half
- permanent magnets
- positioning plate
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Abstract
The utility model discloses a magnetic coupling, wherein a magnetic coupling body comprises a motor end half coupling, a load end half coupling and a gap adjusting device, permanent magnets are arranged in the motor end half coupling and the load end half coupling, and the gap adjusting device is arranged between the motor end half coupling and the load end half coupling for gap adjustment; the coupler is designed into two parts, torque transmission is realized through the two groups of permanent magnets, and in an application scene that the power driving part and the load part need to be frequently separated, frequent disassembly is not needed, so that time and labor are saved; the gap adjusting device is arranged between the two parts of the coupler, and the gap between the two parts of the coupler is adjusted, so that the attraction of the two groups of permanent magnets is adjusted, the separation force of the load end and the transmission torque of the two parts are adjusted, and the optimal working torque and the separation force are matched.
Description
Technical Field
The utility model relates to a coupler, in particular to a magnetic coupler.
Background
A large number of mechanical transmission systems are driven by a motor to operate load equipment, and the load equipment and the motor are in various modes such as belt transmission, chain transmission or direct connection, wherein most of the direct connection needs a coupling to be used for transition in the middle. At present, common couplers are rigidly connected and are difficult to rapidly disassemble, namely, the traditional coupler cannot adapt to the working condition that a motor and a load need to be frequently separated.
Particularly, in a paper box trolley in a winding packaging device, the trolley is composed of a paper box trolley and a paper box, the paper box trolley is required to transmit torque to the paper box during working so as to drive the paper box to rotate and release packaging materials, meanwhile, packaging paper is contained in the paper box, the paper box is required to be pulled out from the paper box trolley to be filled with the packaging paper after packaging is finished every time, and a coupler capable of being quickly separated is further required under the working condition. To this end, we provide a magnetic coupling.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a magnetic coupling.
The technical problem solved by the utility model is as follows:
(1) how to transmit torque by arranging two groups of permanent magnets to facilitate the separation of two parts of the coupler at any time solves the problem that the rigid connection of the coupler in the prior art cannot adapt to scenes with frequent separation requirements;
(2) how to adjust the clearance size of two parts of shaft coupling through setting up clearance adjusting device to adjust the appeal size of two sets of permanent magnets, solve the moment of torsion transmission and can not reconcile the nonadjustable problem of breaking away from dynamics.
The utility model can be realized by the following technical scheme: a magnetic coupling comprises a motor end half coupling, a load end half coupling and a gap adjusting device, wherein permanent magnets are arranged in the motor end half coupling and the load end half coupling, the motor end half coupling and the load end half coupling are connected through attraction of the permanent magnets, and the gap adjusting device is arranged between the motor end half coupling and the load end half coupling for gap adjustment.
The utility model has further technical improvements that: the motor end half-coupling comprises a first hub, a first positioning plate is coaxially fixed on one side of the first hub, a plurality of first permanent magnets are arranged on one side, away from the first hub, of the first positioning plate at equal angles, and a first coating layer used for fixing the first permanent magnets and the first positioning plate is arranged on the outer side of the circumference of the first positioning plate.
The utility model has further technical improvements that: the load end half coupling comprises a second hub, a second positioning plate, a second permanent magnet and a second cladding layer, and the connection mode of the load end half coupling is the same as that of the motor end half coupling.
The utility model has further technical improvements that: the clearance adjusting device is composed of a connecting screw, a universal ball mechanism and adjusting gaskets, a driving motor is arranged on one side of a motor end half-coupling, the motor end half-coupling is fixedly connected with an output shaft of the driving motor through the connecting screw, the universal ball mechanism is movably arranged in the second wheel hub, a load is fixedly arranged on one side, away from the motor end half-coupling, of the load end half-coupling, a plurality of adjusting gaskets are arranged between the universal ball mechanism and the load, and the ball body of the universal ball mechanism is abutted to the end portion of the connecting screw.
The utility model has further technical improvements that: the number and the position of the first permanent magnets and the second permanent magnets are completely corresponding to each other, and the first permanent magnets and the second permanent magnets are neodymium iron boron magnets.
The utility model has further technical improvements that: the first coating layer and the second coating layer are formed by pouring polyurethane or epoxy resin.
The utility model has further technical improvements that: the first wheel hub and the second wheel hub are both made of steel materials, and the first positioning plate and the second positioning plate are both made of aluminum alloy materials.
Compared with the prior art, the utility model has the following beneficial effects:
1. the coupler is designed into two parts, the permanent magnets are respectively arranged in the two parts, torque transmission is realized through the two groups of permanent magnets, and in an application scene that the power driving part and the load part need to be frequently separated, frequent disassembly is not needed, time and labor are saved, labor intensity is reduced, working efficiency is improved, and the service life of equipment is prolonged.
2. The gap adjusting device is arranged between the motor end half-coupling and the load end half-coupling, and the gap between the two parts of the coupling is adjusted, so that the attraction of the two groups of permanent magnets is adjusted, the separation force of the load end and the transmission torque of the two parts are adjusted, and the optimal working torque and the separation force are matched.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the present invention in use;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic cross-sectional view of the present invention;
FIG. 4 is a schematic cross-sectional view of a motor end coupling of the present invention;
FIG. 5 is a cross-sectional schematic view of the load end coupling half of the present invention;
fig. 6 is a schematic cross-sectional view of the integral bonding structure of the present invention.
In the figure: 1. a motor end half coupling; 2. a load end half coupling; 3. a gap adjusting device; 4. a drive motor; 11. a first positioning plate; 12. a first hub; 13. a first rivet; 14. a first permanent magnet; 15. a first cladding layer; 21. a second positioning plate; 22. a second hub; 23. a second rivet; 24. a second permanent magnet; 25. a second cladding layer; 31. a connecting screw; 32. a universal ball mechanism; 33. and adjusting the gasket.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the intended purpose of the utility model, the following detailed description is given for the specific embodiments, structures, features and effects of the present invention in conjunction with the accompanying drawings and preferred embodiments.
As shown in fig. 1-6, the magnetic coupling body is fixedly installed on the carton trolley, and comprises a motor end half coupling 1, a load end half coupling 2 and a gap adjusting device 3;
the structure of the motor-end half-coupling 1 is similar to that of the load-end half-coupling 2, the motor-end half-coupling 1 comprises a first hub 12, a first positioning plate 11 is coaxially arranged on one side of the first hub 12, the first positioning plate 11 and the first hub 12 are riveted and fixed through a plurality of first rivets 13, a plurality of first permanent magnets 14 are equiangularly arranged on one side, away from the first hub 12, of the first positioning plate 11, the first positioning plate 11 is used for positioning the first permanent magnets 14 in the circumferential direction, a first coating layer 15 is arranged on the outer side of the circumference of the first positioning plate 11, and the first permanent magnets 14 are fixedly connected with the first positioning plate 11 through the first coating layer 15 to form a whole;
similarly, the load-side half coupling 2 includes a second hub 22, one side of the second hub 22 is coaxially provided with a second positioning plate 21 and is riveted and fixed by a plurality of second rivets 23 in the circumferential direction, a plurality of second permanent magnets 24 are equiangularly arranged on the side surface of the second positioning plate 21 in the circumferential direction, and all the second permanent magnets 24 are fixedly connected with the second positioning plate 21 through a second cladding layer 25;
it should be further noted that the first positioning plate 11 and the first hub 12, and the second positioning plate 21 and the second hub 22 are designed as two split parts, because the motor-end half-coupling 1 and the load-end half-coupling 2 need a certain strength to transmit torque, the first hub 12 and the second hub 22 are made of steel, in this case, in order to reduce the influence of the first hub 12 and the second hub 22 on the magnetism of the first permanent magnet 14 and the second permanent magnet 24, respectively, the two-part split design is adopted, the first positioning plate 11 and the second positioning plate 21 are made of aluminum alloy, the first positioning plate 11 and the second positioning plate 21 form local coverage on the first permanent magnet 14 and the second permanent magnet 24, the number of the first permanent magnets 14 is the same as that of the second permanent magnets 24, and is preferably twenty-two, the positions of each first permanent magnet 14 and each second permanent magnet 24 completely correspond to each other, the first permanent magnet 14 and the second permanent magnet 24 are neodymium iron boron magnets, and the first coating layer 15 and the second coating layer 25 are formed by pouring polyurethane or epoxy resin;
the clearance adjusting device 3 is composed of a connecting screw 31, a universal ball mechanism 32 and an adjusting shim 33, when assembling, the motor end half coupling 1 and the load end half coupling 2 are oppositely arranged, the outer edge parts of the first wheel hub 12 and the second wheel hub 22 are respectively provided with a guiding positioning hole, position positioning is carried out through inserting a pin shaft, the position correspondence of the first permanent magnet 14 and the second permanent magnet 24 is ensured, one side of the motor end half coupling 1 is provided with a driving motor 4, an output shaft of the driving motor 4 is arranged in the first wheel hub 12 and transmits torque through key connection, the motor end half coupling 1 is fixedly connected with the output shaft of the driving motor 4 through the connecting screw 31, one side of the load end half coupling 2 far away from the motor end half coupling 1 is fixedly provided with a load, the universal ball mechanism 32 is movably arranged in the second wheel hub 22, the universal ball mechanism 32 is composed of a base and a ball body, the ball is limited in the concave cavity of the base and is connected with the base in a sliding way, a plurality of adjusting shims 33 are arranged between the base of the universal ball mechanism 32 and the load, the number of the adjusting shims 33 is changed along with the change of the size of the gap required to be set between the motor end half-coupling 1 and the load end half-coupling 2, and the changing direction is the same direction, namely the size of the set gap is increased, the number of the adjusting shims 33 is increased, and vice versa, under the action of the magnetic attraction force between the corresponding first permanent magnet 14 and the second permanent magnet 24, the ball of the universal ball mechanism 32 is abutted against the screw head of the connecting screw 31, so that a stable gap is formed between the motor end half-coupling 1 and the load end half-coupling 2, the ball is contacted with the screw head of the connecting screw 31, on one hand, the abrasion between the ball and the output shaft of the driving motor 4 due to the relative movement is avoided, on the other hand, the screw head of the connecting screw 31 is provided with a notch for a screwdriver or a spanner to rotate, so that the friction force is increased, the ball body and the connecting screw 31 are kept relatively static, and the ball body and the base slide relatively.
When the utility model is used, when a load needs to be separated from power to move, the load end half coupling 2 is directly pulled to be away from the motor end half coupling 1, the attraction between the first permanent magnet 14 and the second permanent magnet 24 is overcome until the separation process is completed, because the utility model utilizes the attraction of the magnets to transmit torque, the separation force and the torque transmission between the motor end half coupling 1 and the load end half coupling 2 are both related to the gap between the motor end half coupling 1 and the load end half coupling 2, and when the separation force and the torque transmission are required to be adjusted, the aim can be realized only by arranging different numbers of adjusting gaskets 33 between the universal ball mechanism 32 and the load.
Although the present invention has been described with reference to the preferred embodiments, it is to be understood that the utility model is not limited to the disclosed embodiments, but is intended to cover various modifications, equivalents and alternatives falling within the spirit and scope of the utility model.
Claims (7)
1. A magnetic coupling, characterized by: the motor end half coupling comprises a motor end half coupling (1), a load end half coupling (2) and a gap adjusting device (3), permanent magnets are arranged in the motor end half coupling (1) and the load end half coupling (2), the motor end half coupling (1) and the load end half coupling (2) are connected through magnetic force of the permanent magnets, and the gap adjusting device (3) is arranged between the motor end half coupling (1) and the load end half coupling (2) and used for adjusting gaps.
2. A magnetic coupling according to claim 1, characterized in that the motor end coupling half (1) comprises a first hub (12), a first positioning plate (11) is coaxially fixed to one side of the first hub (12), a plurality of first permanent magnets (14) are equiangularly arranged on one side of the first positioning plate (11) away from the first hub (12), and a first coating layer (15) for fixing the first permanent magnets (14) and the first positioning plate (11) is arranged on the outer side of the circumference of the first positioning plate (11).
3. A magnetic coupling according to claim 2, characterized in that the load side coupling half (2) comprises a second hub (22), one side of the second hub (22) is coaxially provided with a second positioning plate (21) and is riveted and fixed by a plurality of second rivets (23) in the circumferential direction, a plurality of second permanent magnets (24) are arranged on the side of the second positioning plate (21) at equal angles in the circumferential direction, and the second permanent magnets (24) are fixedly connected with the second positioning plate (21) by a second cladding (25).
4. A magnetic coupling according to claim 3, characterized in that the gap adjustment means (3) consists of a connection screw (31), a universal ball mechanism (32) and an adjustment washer (33), one side of the motor end half-coupling (1) is provided with a drive motor (4), the motor end half-coupling (1) is fixedly connected with the output shaft of the drive motor (4) by the connection screw (31), the universal ball mechanism (32) is movably arranged in the second hub (22), one side of the load end half-coupling (2) away from the motor end half-coupling (1) is fixedly provided with a load, a plurality of adjustment washers (33) are arranged between the universal ball mechanism (32) and the load, and the ball part of the universal ball mechanism (32) abuts against the end of the connection screw (31).
5. A magnetic coupling according to claim 3, characterized in that the number of the first permanent magnets (14) is the same as the number of the second permanent magnets (24) and they correspond to each other one by one, and the first permanent magnets (14) and the second permanent magnets (24) are all neodymium iron boron magnets.
6. A magnetic coupling according to claim 3, characterized in that the first (15) and second (25) coatings are cast from cast polyurethane or epoxy resin.
7. A magnetic coupling according to claim 3, wherein the first hub (12) and the second hub (22) are both made of steel, and the first positioning plate (11) and the second positioning plate (21) are both made of aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122418398.9U CN216216461U (en) | 2021-10-08 | 2021-10-08 | Magnetic coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122418398.9U CN216216461U (en) | 2021-10-08 | 2021-10-08 | Magnetic coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216216461U true CN216216461U (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122418398.9U Active CN216216461U (en) | 2021-10-08 | 2021-10-08 | Magnetic coupling |
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| CN (1) | CN216216461U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114962852A (en) * | 2022-04-12 | 2022-08-30 | 广东工贸职业技术学院 | Transmission structure and underwater driving device |
-
2021
- 2021-10-08 CN CN202122418398.9U patent/CN216216461U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114962852A (en) * | 2022-04-12 | 2022-08-30 | 广东工贸职业技术学院 | Transmission structure and underwater driving device |
| CN114962852B (en) * | 2022-04-12 | 2024-02-13 | 广东工贸职业技术学院 | Transmission structure |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220720 Address after: 243000 no.669 Chaoshan Road, economic and Technological Development Zone, Ma'anshan City, Anhui Province Patentee after: TAIER HEAVY INDUSTRY Co.,Ltd. Address before: 234000 Yushan Industrial Park, Ma'anshan City, Anhui Province Patentee before: MAANSHAN SHUANGYI MACHINERY MANUFACTURING Co.,Ltd. |
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| TR01 | Transfer of patent right |