CN219107276U - Magnetic coupling with forward and reverse rotation function - Google Patents
Magnetic coupling with forward and reverse rotation function Download PDFInfo
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- CN219107276U CN219107276U CN202223366237.0U CN202223366237U CN219107276U CN 219107276 U CN219107276 U CN 219107276U CN 202223366237 U CN202223366237 U CN 202223366237U CN 219107276 U CN219107276 U CN 219107276U
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- reverse rotation
- electric spindle
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Abstract
The utility model discloses a magnetic coupling with forward and reverse rotation functions, which comprises: the magnetic coupling comprises a magnetic coupling A joint, an electric spindle output end, a rubber pad and a magnetic coupling B joint. The magnetic coupling A joint is arranged at the output end of the electric spindle in a 3# Morse taper fit mode; the rubber pad is arranged between the magnetic coupling A joint and the magnetic coupling B joint to prevent the magnetic coupling A joint and the magnetic coupling B joint from rigidly contacting each other; one end of the magnetic coupling B joint is tightly attracted with the magnetic coupling A joint by means of magnetic force, the middle is separated by a rubber pad, and the other end of the magnetic coupling B joint is connected with a driven shaft. The utility model stably operates under the test condition, can effectively eliminate the installation deviation of the driving end and the driven end of the electric spindle, has the forward and reverse rotation function in a 3# Morse taper fit mode, is suitable for the high-speed working condition of the electric spindle, can effectively cut off the transmission path of the basic vibration of the driving end by the rubber pad, and ensures the characteristics of forward and reverse rotation, high speed, no abnormal sound, stability and the like of a transmission system.
Description
Technical Field
The utility model belongs to the technical field of high-speed transmission devices, and particularly relates to a magnetic coupling with a forward and reverse rotation function.
Background
Along with the leap of the product quality of the electric spindle and the continuous improvement of the rotating speed of the electric spindle, the coupler for driving the electric spindle not only has high-speed performance, but also is continuously pushed to a new height in terms of the production quality, deviation correcting and vibration isolating performance, large torque transmission characteristics and the like; even small production and assembly errors during high speed operation can have a significant impact on the overall drive train, such as additional forces, abnormal sound, slip, jamming, etc. Meanwhile, the requirements of positive and negative rotation of an electric main in the market are more and more, so that the coupler is forced to meet the function, but most of the existing couplers with positive and negative rotation functions are in a key connection mode, but the connection mode has certain eccentricity after a connecting key is locked, and cannot be applied to extremely high rotating speeds. For a transmission system with high speed and forward and reverse rotation functions, the deviation rectifying and vibration isolating effects of the coupling are required to be guaranteed, no extra force is generated in operation, no blocking phenomenon occurs in forward and reverse rotation switching, and the current requirement can be met only by developing a magnetic coupling with forward and reverse rotation functions.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a magnetic coupling with a forward and reverse rotation function, which can replace a coupling device of an original transmission device, has a good forward and reverse rotation function, can effectively eliminate basic vibration and has a good eccentric correction effect, and ensures the stability and reliability of the device in high-speed operation without abnormal sound or blocking. The utility model can effectively block the transmission of vibration and run-out of the electric spindle, can effectively compensate errors generated in production and assembly, and is suitable for high-speed forward and reverse rotation working conditions.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a magnetic coupling with forward and reverse rotation function for a high-speed forward and reverse rotation coupling device, comprising: the magnetic coupling A joint, the electric spindle output end, the rubber pad and the magnetic coupling B joint; the magnetic coupling A joint is matched with the output end of the electric spindle according to a 3# Morse taper; the rubber pad is arranged between the magnetic coupling A joint and the magnetic coupling B joint; one end of the magnetic coupling B joint is tightly attracted with the magnetic coupling A joint by means of magnetic force, and the other end of the magnetic coupling B joint is connected with a driven shaft.
As a preferable technical scheme of the utility model, further, the inner hole of the magnetic coupling A joint is a 3# Morse taper hole, and an M12 threaded hole is reserved for ejecting the magnetic coupling A joint by means of the rotation axial force of an M12 bolt during disassembly.
As a preferable technical scheme of the utility model, the output end of the electric spindle is designed into a 3# Morse taper shaft, the 3# Morse taper shaft is matched with a 3# Morse taper hole of the magnetic coupling A joint, an M10 threaded hole is reserved on the end face, the magnetic coupling A joint is locked with the output end of the electric spindle through an M10 bolt, and the matching mode has a positive and negative rotation function and is suitable for high-speed working conditions of the electric spindle with the rotating speed of more than 10000 r/min.
As a preferable technical scheme of the utility model, the rubber pad can separate the magnetic coupling A joint from the magnetic coupling B joint, so that rigid contact between the magnetic coupling A joint and the magnetic coupling B joint caused by magnetic attraction is prevented, and meanwhile, the transmission path of vibration of the driving end is effectively cut off.
As a preferable technical scheme of the utility model, further, the end face of the magnetic coupling B with magnetic force is not positioned radially, the other end face is not positioned axially, no extra force is generated in the running process, and only torque is transmitted.
The beneficial effects of the utility model are as follows: the magnetic force coupling A joint and the magnetic force coupling B joint transmit torque, the magnetic force coupling A joint and the electric spindle output end are mounted in a 3# Morse fit mode, the rubber pad is prevented from being rigidly contacted in the running process, the vibration isolation correction device has the vibration isolation correction effect, is suitable for high-speed positive and negative mounting conditions, effectively blocks transmission of additional vibration and load, and is simple to mount and dismount, high in applicability and high in reliability.
Drawings
FIG. 1 is a general block diagram of the present magnetic coupling;
FIG. 2 is a schematic structural view of the present magnetic coupling;
FIG. 3 is a schematic illustration of a magnetic coupling A joint;
FIG. 4 is a schematic diagram of an output end of the motorized spindle;
FIG. 5 is a schematic view of a rubber pad;
FIG. 6 is a schematic diagram of a magnetic coupling B joint;
in the figure: the magnetic coupling comprises a magnetic coupling A joint 1, an electric spindle output end 2, a rubber pad 3 and a magnetic coupling B joint 4.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the examples described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-2, the utility model provides a magnetic coupling with a positive and negative rotation function, which comprises a magnetic coupling A joint 1, an electric spindle output end 2, a rubber pad 3 and a magnetic coupling B joint 4; the magnetic coupling A joint 1 is matched with the electric spindle output end 2 according to a 3# Morse taper; the M10 bolt is arranged in a threaded hole of the electric spindle output end 2, and the magnetic coupling A joint 1 is firmly locked at the electric spindle output end 2; the rubber pad 3 is arranged between the magnetic coupling A joint 1 and the magnetic coupling B joint 4, and separates the two joints to avoid rigid contact; one end of the magnetic coupling B joint 4 is tightly attracted with the magnetic coupling A joint 1 by means of magnetic force, and the other end of the magnetic coupling B joint is connected with a driven shaft.
As shown in fig. 3, the inner hole of the magnetic coupling A joint 1 is a 3# Morse taper hole, and an M12 threaded hole is reserved for ejecting the magnetic coupling A joint by means of the rotation axial force of an M12 bolt during disassembly.
As shown in FIG. 4, the output end 2 of the electric spindle is designed as a 3# Morse taper shaft, and is matched with the 3# Morse taper hole of the A joint 1 of the magnetic coupling, an M10 threaded hole is reserved on the end face, the A joint 1 of the magnetic coupling and the output end 2 of the electric spindle can be firmly locked by using an M10 bolt, and the matching mode has a positive and negative rotation function and is suitable for a high-speed working condition that the rotating speed of the electric spindle is more than 10000 r/min.
As shown in fig. 5, the rubber pad 3 can separate the magnetic coupling a joint 1 from the magnetic coupling B joint 4, prevent the two from being in rigid contact due to strong magnetic attraction, and effectively cut off the transmission path of the basic vibration of the driving end.
As shown in fig. 6, the magnetic coupling B joint 4 is tightly attracted to the magnetic coupling a joint 1 by means of magnetic force, and the end face with the magnetic force is not positioned radially, and the other end face is not positioned axially, so that no extra force is generated in the operation process, a good deviation rectifying effect is achieved, and the effect of transmitting torque only is achieved.
The utility model provides a use method of a magnetic coupling with forward and reverse rotation functions, which comprises the following steps:
when the installation is carried out, firstly, the magnetic coupling A joint 1 and the electric spindle output end 2 are in 3# Morse taper fit, and after being in place, the magnetic coupling A joint 1 and the electric spindle output end 2 are firmly locked by an M10 bolt; then the rubber pad 3 is tightly attached to the magnetic end face of the magnetic coupling A joint 1, and then the magnetic end face of the magnetic coupling B joint 4 is automatically sucked tightly, so that the rubber pad 3 is clamped between the two; finally, the other end of the magnetic coupling B joint 4 is connected to a driven shaft, and the whole coupling is installed.
The specific application scene of the utility model comprises the following conditions:
1. high-speed transmission devices such as a high-speed bearing testing machine, a connecting end of a speed increasing box, a high-speed motor and the like;
2. precision instrument couplings such as bearing vibration gauges, precision machine tools, friction torque gauges, and the like;
3. coupling devices, such as dynamic and static pressure shafts, air bearing tables, low noise equipment and the like, which have high requirements on motor vibration isolation, only transmit torque and avoid additional vibration and load transmission.
To sum up: the utility model adopts a 3# Morse taper fit mode to realize the high-speed positive and negative rotation function, has better effects of shock insulation, correction and centering, realizes effective compensation of assembly errors and effective blocking of self vibration of a motor, avoids transmission of extra load, and has good applicability to positive and negative rotation motorized spindles, precise instruments and high-speed high-requirement connecting devices.
Finally, it should be noted that: any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (5)
1. A magnetic coupling with forward and reverse rotation, comprising: the magnetic coupling comprises a magnetic coupling A joint (1), an electric spindle output end (2), a rubber pad (3) and a magnetic coupling B joint (4); the magnetic coupling A joint (1) is matched with the electric spindle output end (2) according to a 3# Morse taper; the rubber pad (3) is arranged between the magnetic coupling A joint (1) and the magnetic coupling B joint (4); one end of the magnetic coupling B joint (4) is tightly sucked with the magnetic coupling A joint (1) by means of magnetic force, and the other end of the magnetic coupling B joint is connected with a driven shaft.
2. The magnetic coupling with the forward and reverse rotation functions according to claim 1, wherein an inner hole of the magnetic coupling A joint (1) is a 3# Morse taper hole, and an M12 threaded hole is reserved for ejecting the magnetic coupling A joint by means of the rotation axial force of an M12 bolt during disassembly.
3. The magnetic coupling with the forward and reverse rotation function according to claim 1, wherein the electric spindle output end (2) is designed into a 3# Morse taper shaft, is matched with a 3# Morse taper hole of the magnetic coupling A joint (1), has the forward and reverse rotation function, an M10 threaded hole is reserved on the end face, and the magnetic coupling A joint (1) is locked with the electric spindle output end (2) through an M10 bolt.
4. The magnetic coupling with the forward and reverse rotation functions according to claim 1, wherein the rubber pad (3) separates the magnetic coupling a joint (1) from the magnetic coupling B joint (4) to cut off the transmission path of the driving end vibration.
5. The magnetic coupling with forward and reverse rotation functions according to claim 1, wherein the end face of the magnetic coupling B joint (4) with magnetic force is not positioned radially, the other end face is not positioned axially, and only torque is transmitted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223366237.0U CN219107276U (en) | 2022-12-15 | 2022-12-15 | Magnetic coupling with forward and reverse rotation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223366237.0U CN219107276U (en) | 2022-12-15 | 2022-12-15 | Magnetic coupling with forward and reverse rotation function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219107276U true CN219107276U (en) | 2023-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223366237.0U Active CN219107276U (en) | 2022-12-15 | 2022-12-15 | Magnetic coupling with forward and reverse rotation function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219107276U (en) |
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2022
- 2022-12-15 CN CN202223366237.0U patent/CN219107276U/en active Active
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