Magnetic gear motor transmission stepless speed regulation system
By designing the adjustable spacing and overlapping surface of the magnetic gear motor transmission system, combining worm transmission and electric telescopic rods, stepless speed regulation of the magnetic gear motor is achieved, solving the limitations of the existing system in speed adjustment, and improving the adjustment accuracy and equipment stability.
Patent Information
- Application Number
- CN202422789445.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-15
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-11-15
AI Technical Summary
The existing magnetic gear motor transmission system is difficult to achieve stepless speed regulation, resulting in limitations in smoothness, accuracy and response speed in speed regulation.
By designing adjustable spacing and overlapping surfaces of magnetic disks and copper disks in the magnetic gear motor transmission system, combining worm transmission and electric telescopic rods, stepless adjustment of the speed of the load shaft is achieved, and non-contact transmission is performed using magnetic field interaction.
It realizes high-precision stepless speed regulation, improves the system's adjustment flexibility and stability, meets the speed requirements under different working conditions, and reduces equipment damage under overload conditions and extends service life.
Smart Images

Figure CN223141724U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of magnetic gear motor control devices, and particularly relates to a stepless speed regulation system for magnetic gear motor drive. Background Technique
[0002] In the fields of modern industry and automation control, the speed regulation performance of the motor drive system is directly related to production efficiency and product quality. Traditional motor speed regulation methods, such as changing the power supply voltage, frequency converter control, etc., although realizing the speed regulation function to a certain extent, still have limitations in the smoothness, accuracy of stepless speed regulation, and the response speed of the system.
[0003] As a new type of motor drive device, the magnetic gear motor realizes the transmission of power and the adjustment of rotational speed by using the interaction between magnetic fields. Compared with traditional motors, the magnetic gear motor has the advantages of compact structure, high efficiency, low noise, and simple maintenance. More importantly, the magnetic gear motor can achieve non-contact transmission, thus avoiding the friction loss and wear problems in traditional mechanical transmission, and improving the stability and service life of the system.
[0004] However, there are still some deficiencies in the speed regulation of the existing magnetic gear motor drive system. Most magnetic gear motor drive systems adopt a fixed transmission ratio and are difficult to achieve stepless speed regulation.
[0005] In view of this, this application is specifically proposed. Content of the Utility Model
[0006] The purpose of the utility model is to provide a stepless speed regulation system for magnetic gear motor drive to solve the problem that the existing magnetic gear motor is difficult to achieve stepless speed regulation proposed in the above background technique.
[0007] To solve the above technical problems, the stepless speed regulation system for magnetic gear motor drive provided by the utility model includes a truss. A working box is installed on the truss. A load shaft penetrates through the side wall of the working box. An installation platform is fixed on one side of the truss. A transverse moving seat that moves axially along the load shaft is slidably connected to the top of the installation platform. A back plate is fixed to the rear end of the top of the transverse moving seat. A longitudinal moving seat that moves radially along the load shaft is slidably connected to the top of the back plate. A magnetic gear motor body is fixed to the top of the longitudinal moving seat. A copper disk is fixed to the output end of the magnetic gear motor body. A conductor steel disk is fixed to the end of the load shaft facing the copper disk. A magnetic disk is fixed to the side wall of the conductor steel disk close to the copper disk. There is a gap between the magnetic disk and the copper disk. A neodymium iron boron rare earth permanent magnet is sealed in the middle of the magnetic disk. By adjusting the distance between the magnetic disk and the copper disk, stepless speed regulation of the load shaft speed is achieved. By adjusting the size of the overlapping surface between the magnetic disk and the copper disk, fine adjustment of the rotation of the load shaft is performed.
[0008] Furthermore, a sealing disk is passed through and tightly fixed to the side wall of the working box, the load shaft passes through and is tightly connected to the sealing disk through a sealed bearing, and a bearing seat for mounting the load shaft is provided between the sealing disk and the conductor steel disk. The load shaft is tightly connected to the working box, objects inside the working box will not flow to the outside of the working box, the load shaft is supported, and the load shaft runs stably.
[0009] Furthermore, a convex tooth is provided on the side wall of the longitudinal movement seat away from the copper disk, and a front end plate fixed at the edge of the front end surface of the top of the transverse movement seat is provided on the side of the longitudinal movement seat away from the copper disk and the transverse movement seat, and a worm is rotatably connected between the front end plate and the back plate, and the worm is meshed with the convex tooth.
[0010] Furthermore, a driving device is installed on the front end surface of the front end plate, and the driving device is one of a hand-cranked rotating wheel and a forward and reverse motor, so as to achieve fine adjustment of the distance between the longitudinal shift seat and the back plate.
[0011] Furthermore, a second bearing seat is longitudinally slidably connected to the top of the transverse seat between the magnetic gear motor body and the copper plate, the front end surface of the limit slot passes through the limit slot, and one end of the second bearing seat is slidably connected to the limit slot, so as to achieve the stability of the longitudinal movement of the magnetic gear motor body and improve the adjustment accuracy.
[0012] Furthermore, the bottom of the transverse shift seat is provided with a mounting groove, and two longitudinal plates 1 and 2 are provided in the mounting groove, and the longitudinal plates 1 and 2 are respectively fixed to the bottom of the transverse shift seat and the top of the mounting platform, and the longitudinal plates 2 and 1 are connected by an electric telescopic rod, so as to realize the transverse shift seat on the top of the mounting platform and the stepless speed regulation of the magnetic gear motor body.
[0013] Furthermore, the top of the working box is connected to a top cover rotatably connected to the top of the working box through an electromagnetic lock, and a discharge channel is installed at the bottom of the working box, and a solenoid valve is installed on the discharge channel, so as to facilitate the loading and unloading of materials.
[0014] Furthermore, a control cabinet is fixed to the front end surface of the mounting platform, a control panel, an adjustment knob, and an emergency brake switch are embedded in the front end surface of the control cabinet, and a warning light and a buzzer are fixed to the outer wall of the control cabinet.
[0015] Compared with the prior art, the beneficial effects of the utility model are:
[0016] 1. By adjusting the distance between the magnetic disk and the copper disk, the system can achieve high-precision stepless speed regulation of the load shaft speed. The adjustment method is flexible and can ensure the stability and accuracy of the speed regulation process to meet the speed requirements under different working conditions;
[0017] 2. By adjusting the size of the overlapping surface between the disk and the copper disk, the rotation of the load shaft is finely adjusted. This fine-tuning function enables the system to more precisely control the rotational speed and meet application scenarios that are more sensitive to rotational speed changes;
[0018] 3. Through components such as worm drive and electric telescopic rods, precise control of the position of the magnetic gear motor body is achieved, improving the adjustment accuracy of the system and making the operation more convenient and efficient;
[0019] 4. Through the non-contact design of the magnetic gear motor and the load shaft, in the case of overload of the load shaft, damage to the equipment caused by mechanical stress is reduced, the overload protection ability of the equipment is improved, and the service life of the equipment is extended. Description of the Drawings
[0020] Figure 1 is a three-dimensional view of the stepless speed regulation system for magnetic gear motor drive;
[0021] Figure 2 is a schematic structural diagram of the installation positions of the mounting table and the transverse moving seat in the stepless speed regulation system for magnetic gear motor drive;
[0022] Figure 3 is a rear view of the transverse moving seat in the stepless speed regulation system for magnetic gear motor drive;
[0023] Figure 4 is a bottom upward view of the longitudinal moving seat in the stepless speed regulation system for magnetic gear motor drive.
[0024] In the figure:
[0025] 10. Truss; 11. Mounting table; 12. Working box; 13. Control cabinet;
[0026] 20. Load shaft; 21. Conductor steel disk; 22. Disk; 23. Encapsulation disk; 24. Bearing seat one;
[0027] 30. Transverse moving seat; 31. Back plate; 32. Limit through groove; 33. Front end plate;
[0028] 40. Longitudinal moving seat; 41. Convex teeth; 42. Worm; 43. Driving device;
[0029] 50. Magnetic gear motor body; 51. Bearing seat two; 52. Copper disk;
[0030] 60. Installation groove; 61. Longitudinal plate one; 62. Longitudinal plate two; 63. Electric telescopic rod. Detailed Embodiment
[0031] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0032] Please refer to Figures 1-4 , the present invention provides a technical solution: a magnetic gear motor drive stepless speed regulation system, including a truss 10, on which a working box 12 is installed. A load shaft 20 penetrates through the side wall of the working box 12. One side of the truss 10 is fixed with an installation platform 11. A cross-moving seat 30 that moves axially along the load shaft 20 is slidably connected to the top of the installation platform 11. A back plate 31 is fixed to the rear end of the top of the cross-moving seat 30. A longitudinal moving seat 40 that moves radially along the load shaft 20 is slidably connected to the top of the back plate 31. A magnetic gear motor body 50 is fixed to the top of the longitudinal moving seat 40. A copper disk 52 is fixed to the output end of the magnetic gear motor body 50; a conductor steel disk 21 is fixed to the end of the load shaft 20 facing the copper disk 52. A magnetic disk 22 is fixed to the side wall of the conductor steel disk 21 close to the copper disk 52. There is a gap between the magnetic disk 22 and the copper disk 52, and a neodymium iron boron rare earth permanent magnet is sealed in the middle of the magnetic disk 22.
[0033] It should be noted here that: by adjusting the distance between the magnetic disk 22 and the copper disk 52, and by adjusting the size of the overlapping surface between the magnetic disk 22 and the copper disk 52, the rotation of the load shaft 20 is finely adjusted to achieve stepless speed regulation of the rotation speed of the load shaft 20.
[0034] For the magnetic gear motor drive stepless speed regulation system, a packaging disk 23 is penetrated and hermetically fixed to the side wall of the working box 12. The load shaft 20 penetrates through and is hermetically connected to the packaging disk 23 through a sealed bearing. A bearing seat 24 for installing the load shaft 20 is provided between the packaging disk 23 and the conductor steel disk 21. The top of the working box 12 is connected with a top cover rotatably connected to the top of the working box 12 through an electromagnetic lock. An outlet channel is installed at the bottom of the working box 12, and a solenoid valve is installed on the outlet channel. A control cabinet 13 is fixed to the front end face of the installation platform 11. A control panel, an adjustment knob, and an emergency brake switch are embedded on the front end face of the control cabinet 13. A warning light and a buzzer are fixed to the outer wall of the control cabinet 13.
[0035] It should be noted here that: the load shaft 20 is hermetically connected to the working box 12, so that the objects inside the working box 12 will not flow outside the working box 12, support the load shaft 20, make the load shaft 20 operate stably, facilitate the feeding and discharging of materials, is convenient to operate, and has a high degree of automation.
[0036] A magnetic gear motor drives a stepless speed regulation system, wherein a convex tooth 41 is provided on the side wall of the longitudinal shift seat 40 away from the copper disk 52, and a front end plate 33 fixed at the edge of the front end surface of the top of the transverse shift seat 30 is provided on the side of the longitudinal shift seat 40 away from the copper disk 52 and away from the transverse shift seat 30, a worm 42 is rotatably connected between the front end plate 33 and the back plate 31, the worm 42 is meshed with the convex tooth 41, and a driving device 43 is installed on the front end surface of the front end plate 33, and the driving device 43 is one of a hand-cranked wheel and a forward and reverse motor, and an installation groove 60 is provided at the bottom of the transverse shift seat 30, and two longitudinal plates 61 and 62 are arranged longitudinally in the installation groove 60, and the longitudinal plates 61 and 62 are respectively fixed to the bottom of the transverse shift seat 30 and the top of the mounting platform 11, and the longitudinal plates 62 and 61 are connected by an electric telescopic rod 63.
[0037] It should be noted here that: the distance between the longitudinal shift seat 40 and the back plate 31 is finely adjusted, the transverse shift seat 30 is transversely shifted on the top of the mounting platform 11, and the stepless speed regulation of the magnetic gear motor body 50 is achieved.
[0038] The magnetic gear motor transmission stepless speed regulation system, a bearing seat 2 51 is provided between the magnetic gear motor body 50 and the copper plate 52 and is longitudinally slidably connected to the top of the transverse seat 30, the front end surface of the limit slot 32 penetrates the limit slot 32, and one end of the bearing seat 2 51 is slidably connected to the limit slot 32. The longitudinal movement of the magnetic gear motor body 50 is stabilized and the adjustment accuracy is improved.
[0039] Working principle: Put materials into the working box 12, and drive the transverse seat 30 to slide along the axial direction of the load shaft 20 on the mounting table 11 through the electric telescopic rod 63, changing the distance between the magnetic disk 22 and the copper disk 52, and the driving device 43 drives the worm 42 to rotate, and the worm 42 engages with the convex teeth 41 on the longitudinal seat 40, driving the longitudinal seat 40 to move radially along the load shaft 20, changing the size of the overlap surface between the magnetic disk 22 and the copper disk 52, thereby achieving fine adjustment of the speed of the load shaft 20 and stepless adjustment of the speed of the load shaft 20. In the food processing industry, this system can be used to drive equipment such as mixers, agitators, and conveyor belts to ensure the uniformity and consistency of food processing, while meeting hygiene and safety requirements. In the case of overload, it reduces the damage to the equipment caused by mechanical stress, improves the overload protection capability of the equipment, and extends the service life of the equipment. This system can also be used for agitators and centrifuges in industrial automation equipment, medical production equipment, and sewage treatment equipment, which will not be described here.
[0040] It should be noted here that: The output end of the magnetic gear motor body 50 drives the copper disk 52 to rotate, generating electromagnetic induction with the magnetic disk 22. According to the principle of electromagnetic induction, the magnetic lines of force on the magnetic disk 22 cut the conductors in the copper disk 52, generating an induced current. The induced current generates a magnetic field in the copper disk 52, interacting with the magnetic field of the magnetic disk 22, thereby generating a torque to drive the load shaft 20 to rotate.
Claims
1. A stepless speed regulation system for a magnetic gear motor drive, comprising a truss (10), on which a working box (12) is installed. A load shaft (20) penetrates through the side wall of the working box (12). An installation platform (11) is fixed on one side of the truss (10), and it is characterized in that: The top of the mounting platform (11) is slidably connected to a transverse seat (30) that moves axially along the load shaft (20); a back plate (31) is fixed to the rear end of the top of the transverse seat (30); a longitudinal seat (40) that moves radially along the load shaft (20) is slidably connected to the top of the back plate (31); a magnetic gear motor body (50) is fixed to the top of the longitudinal seat (40); a copper disk (52) is fixed to the output end of the magnetic gear motor body (50); a conductor steel disk (21) is fixed to the end of the load shaft (20) facing the copper disk (52); a magnetic disk (22) is fixed to the side wall of the conductor steel disk (21) close to the copper disk (52); and a gap exists between the magnetic disk (22) and the copper disk (52).
2. The stepless speed regulation system of a magnetic gear motor drive according to claim 1, characterized in that: A sealing disk (23) is passed through and tightly fixed to the side wall of the working box (12); the load shaft (20) passes through and is tightly connected to the sealing disk (23) via a sealed bearing; a bearing seat (24) for mounting the load shaft (20) is provided between the sealing disk (23) and the conductor steel disk (21).
3. The stepless speed regulation system of a magnetic gear motor drive according to claim 1, wherein: A convex tooth (41) is provided on a side wall of the longitudinal displacement seat (40) away from the copper plate (52), and a front end plate (33) fixed to the edge of the top front end surface of the transverse displacement seat (30) is provided on a side of the longitudinal displacement seat (40) away from the copper plate (52) and the transverse displacement seat (30). A worm (42) is rotatably connected between the front end plate (33) and the back plate (31), and the worm (42) meshes with the convex tooth (41).
4. The stepless speed regulation system for magnetic gear motor drive according to claim 3, wherein: A driving device (43) is installed on the front end surface of the front end plate (33), and the driving device (43) is one of a hand-cranked rotating wheel and a forward and reverse motor.
5. The stepless speed regulation system for magnetic gear motor drive according to claim 1, characterized in that: A second bearing seat (51) is provided between the magnetic gear motor body (50) and the copper plate (52) and is longitudinally slidably connected to the top of the transverse seat (30). The front end surface of the limiting slot (32) penetrates the limiting slot (32), and one end of the second bearing seat (51) is slidably connected to the limiting slot (32).
6. The stepless speed regulation system for magnetic gear motor drive according to claim 1, wherein: The bottom of the transverse shift seat (30) is provided with a mounting groove (60), and two longitudinal plates (61) and (62) are arranged in the mounting groove (60). The longitudinal plates (61) and (62) are respectively fixed to the bottom of the transverse shift seat (30) and the top of the mounting platform (11), and the longitudinal plates (62) and (61) are connected via an electric telescopic rod (63).
7. The stepless speed regulation system of a magnetic gear motor drive according to claim 1, characterized in that: The top of the working box (12) is connected to a top cover rotatably connected to the top of the working box (12) via an electromagnetic lock, and a discharge channel is installed at the bottom of the working box (12), and a solenoid valve is installed on the discharge channel.
8. The stepless speed regulation system of magnetic gear motor drive according to claim 1, characterized in that: A control cabinet (13) is fixed to the front end surface of the mounting platform (11), a control panel, an adjustment knob, and an emergency brake switch are embedded in the front end surface of the control cabinet (13), and a warning light and a buzzer are fixed to the outer wall of the control cabinet (13).