A permanent magnet torque motor

Abstract

The utility model relates to the technical field of motors, and discloses a permanent magnet torque motor, including a shell one, one side of the shell one abuts against a shell two, a ventilation assembly is arranged inside the shell two, the ventilation assembly is used to cool the motor, one side of the inside of the shell one is fixedly connected to a stator, one side of the stator is rotatably connected to a hollow shaft rare earth permanent magnet rotor, one side of the top of the stator is fixedly connected to a connecting wire one, one side of the top of the stator is fixedly connected to a connecting wire two, and the front side of the shell two is fixedly connected to a fixing block one. In the utility model, the shell one and the shell two can be fixed by the mutual cooperation of the buckle and the fixing plate, and the fixing of the shell one and the shell two can be released by removing the buckle from the internal slot of the fixing plate, so as to facilitate the maintenance of the motor, and starting the fan can effectively discharge the heat from the inside of the shell two, so as to ensure the stable operation of the motor in a high temperature environment.

Description

Technical Field

[0001] The utility model relates to the technical field of motors, in particular to a permanent magnet torque motor. Background Art

[0002] In the field of forging, injection molding, and aluminum extruder automation, built-in torque motors provide reliable power support and precise motion control for automated production through their high performance, high efficiency, and direct drive design integrated with the machine.

[0003] The permanent magnet torque motor includes a stator, which is the fixed part of the built-in torque motor and is usually composed of an electromagnetic coil and an iron core. When current passes through the electromagnetic coil of the stator, a magnetic field is generated, which interacts with the magnetic field of the rotor to generate the torque required for the motor to move. It also includes a hollow shaft rare earth permanent magnet rotor, which is the rotating part of the built-in torque motor and is made of rare earth permanent magnet material.

[0004] The existing permanent magnet torque motor needs to be installed with a casing to protect the motor from damage. Since the casing is not easy to remove, it is inconvenient to repair the motor when it fails. Therefore, a permanent magnet torque motor is proposed to solve the above problem. Summary of the invention

[0005] In order to make up for the above shortcomings, the utility model provides a permanent magnet torque motor, aiming to improve the problem in the prior art that the casing is difficult to disassemble and causes inconvenience in maintenance.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A permanent magnet torque motor, comprising a shell 1, one side of the shell 1 is abutted against a shell 2, a ventilation assembly is arranged inside the shell 2, the ventilation assembly is used to cool the motor, one side of the shell 1 is fixedly connected to a stator, one side of the stator is rotatably connected to a hollow shaft rare earth permanent magnet rotor, one side of the top of the stator is fixedly connected to a connecting wire 1, one side of the top of the stator is fixedly connected to a connecting wire 2, a front side of the shell 2 is fixedly connected to a fixed block 1, a front side of the shell 2 is fixedly connected to a fixed block 2, the fixed block 1 and the fixed block 2 are connected to each other A connecting rod is fixedly connected to one side facing the other, a sleeve is slidably connected to the outer periphery of the connecting rod, a spring is fixedly connected to the side of the sleeve away from the second fixing block, one end of the spring away from the sleeve is fixedly connected to the side of the first fixing block, the spring is sleeved on the outer periphery of the connecting rod, a buckle is rotatably connected inside the sleeve, a fixing plate is fixedly connected to the front side of the first shell, a side of the buckle away from the sleeve abuts against one side of the fixing plate, a pull rod is rotatably connected inside the second fixing block, and the pull rod is slidably connected inside the outer periphery of the buckle;

[0008] As a further description of the above technical solution:

[0009] The ventilation assembly includes a fan, the fixing plate is fixedly connected to the rear side of the second shell, a plurality of evenly distributed ventilation holes are opened inside the second shell, and a filter plate is fixedly connected to the rear side of the second shell;

[0010] As a further description of the above technical solution:

[0011] The second front side of the housing is rotatably connected to a plurality of evenly distributed baffles;

[0012] As a further description of the above technical solution:

[0013] One end of the connecting wire 1 away from the stator is fixedly connected with a plug 1;

[0014] As a further description of the above technical solution:

[0015] One end of the second connecting wire away from the stator is fixedly connected with a second plug;

[0016] As a further description of the above technical solution:

[0017] A stabilizing plate is fixedly connected to one side of the second shell, and the outer periphery of the stabilizing plate is slidably connected to the inside of the first shell;

[0018] As a further description of the above technical solution:

[0019] A fixing hole is provided on a side of the housing 1 away from the housing 2;

[0020] As a further description of the above technical solution:

[0021] The stator produces a torque ranging from 2Nm to 500Nm.

[0022] The utility model has the following beneficial effects:

[0023] 1. In the utility model, the buckle can be driven to move by pulling the pull rod, and the buckle is placed in the slot of the fixed plate. The buckle can drive the sleeve to move by moving, and the sleeve can be reset by the pulling force of the spring. The sleeve can drive the buckle to move by resetting, so that the buckle is fixed to the fixed plate. The buckle can drive the outer shell one and the outer shell two to be fixed by fixing the buckle to the fixed plate. The buckle can be removed from the inner slot of the fixed plate to release the fixation of the outer shell one and the outer shell two, so that it is convenient to repair the motor.

[0024] 2. In the utility model, the starting fan can evenly flow the external air from the inside of the outer shell 2 through the vents, thereby effectively discharging the heat and ensuring the stable operation of the motor in a high temperature environment. By fixing the filter plate inside the outer shell 2, external dust can be prevented from entering the inside of the outer shell 2, reducing the risk of equipment failure and extending the service life of the motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A three-dimensional schematic diagram of a permanent magnet torque motor proposed by the utility model;

[0026] Figure 2 This is a structural schematic diagram of a housing 1 of a permanent magnet torque motor proposed by the utility model;

[0027] Figure 3 This is a structural schematic diagram of a buckle of a permanent magnet torque motor proposed by the utility model;

[0028] Figure 4 This is a structural schematic diagram of a hollow shaft rare earth permanent magnet rotor of a permanent magnet torque motor proposed by the utility model;

[0029] Figure 5 The utility model is a schematic diagram of the structure of the housing 2 of a permanent magnet torque motor.

[0030] Legend:

[0031] 1. Shell 1; 2. Shell 2; 3. Stator; 4. Hollow shaft rare earth permanent magnet rotor; 5. Connecting wire 1; 6. Connecting wire 2; 7. Fixing hole; 8. Fixing block 1; 9. Fixing block 2; 10. Connecting rod; 11. Sleeve; 12. Spring; 13. Buckle; 14. Pull rod; 15. Fixing plate; 16. Fan; 17. Ventilation port; 18. Filter plate; 19. Baffle; 20. Plug 1; 21. Plug 2; 22. Stabilizing plate. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] Reference Figure 1 - Figure 4The utility model provides an embodiment: a permanent magnet torque motor, including a shell 1, a shell 2 2 abutting against one side of the shell 1, a stator 3 fixedly connected to one side of the inner part of the shell 1, a hollow shaft rare earth permanent magnet rotor 4 rotatably connected to one side of the stator 3, a connecting wire 1 5 fixedly connected to one side of the top of the stator 3, a connecting wire 2 6 fixedly connected to one side of the top of the stator 3, a fixed block 1 8 fixedly connected to the front side of the shell 2 2, a fixed block 2 9 fixedly connected to the front side of the shell 2 2, and a connecting rod 1 fixedly connected to the side facing the fixed block 1 8 and the fixed block 2 9 0, a sleeve 11 is slidably connected to the outer periphery of the connecting rod 10, a spring 12 is fixedly connected to the side of the sleeve 11 away from the fixed block 29, one end of the spring 12 away from the sleeve 11 is fixedly connected to the side of the fixed block 8, the spring 12 is sleeved on the outer periphery of the connecting rod 10, a buckle 13 is rotatably connected inside the sleeve 11, a fixing plate 15 is fixedly connected to the front side of the housing 1, a side of the buckle 13 away from the sleeve 11 abuts against one side of the fixing plate 15, a pull rod 14 is rotatably connected inside the fixed block 29, and the pull rod 14 is slidably connected to the outer periphery of the buckle 13. The outer shell 1 is used to fix the stator 3, and the outer shell 2 is used to protect the stator 3. The stator 3 can generate the torque required for the motor movement. The hollow shaft rare earth permanent magnet rotor 4 is the rotating part of the motor. The connecting line 15 is used to connect the power supply, and the connecting line 26 is used to connect the power supply. The fixing block 18 is used to fix the connecting rod 10, and the fixing block 29 is used to fix the connecting rod 10. The connecting rod 10 is used to fix the sleeve 11, and the sleeve 11 is used to fix the spring 12. The spring 12 can drive the sleeve 11 to move through tension. The buckle 13 is used to fix the fixing plate 15, and the pull rod 14 is used to drive the buckle 13 to move. The fixing plate 15 is used to fix the outer shell 1.

[0034] Reference Figure 1 , Figure 2 and Figure 5 A ventilation assembly is provided inside the second housing 2, and the ventilation assembly is used to cool the motor. The ventilation assembly includes a fan 16, a fixing plate 15 is fixedly connected to the rear side of the second housing 2, a plurality of evenly distributed vents 17 are provided inside the second housing 2, and a filter plate 18 is fixedly connected to the rear side of the second housing 2. The fan 16 allows external air to flow inside the second housing 2, the vents 17 allow external air to flow evenly from the inside of the second housing 2, and the filter plate 18 prevents external dust from entering the inside of the second housing 2.

[0035] Reference Figure 1 , Figure 2 and Figure 5, the front side of the housing 2 is rotatably connected with a plurality of evenly distributed baffles 19, the end of the connecting wire 15 away from the stator 3 is fixedly connected with a plug 1 20, the end of the connecting wire 26 away from the stator 3 is fixedly connected with a plug 21, one side of the housing 2 is fixedly connected with a stabilizing plate 22, the outer periphery of the stabilizing plate 22 is slidably connected to the inside of the housing 1, and a fixing hole 7 is provided on the side of the housing 1 away from the housing 2. The torque generated by the stator 3 ranges from 2Nm to 500Nm. The baffle 19 prevents external dust from entering the inside of the housing 2, the plug 1 20 is used to connect the power supply, the plug 2 21 is used to connect the power supply, the stabilizing plate 22 can make the connection between the housing 1 and the housing 2 more stable, the fixing hole 7 is used to install the drive shaft on the hollow shaft rare earth permanent magnet rotor 4, the torque range of the stator 3 ranges from 2Nm to 500Nm, which can cover a variety of application scenarios with different torque requirements, which makes them suitable for various applications from fine positioning to high torque output.

[0036] Working principle: The stator 3 is mounted on the housing 1, and the buckle 13 can be driven to move by pulling the pull rod 14, and the buckle 13 is placed in the slot of the fixing plate 15. The buckle 13 can drive the sleeve 11 to move by moving, and the sleeve 11 can be reset by the pulling force of the spring 12. The sleeve 11 can drive the buckle 13 to move by resetting, so that the buckle 13 is fixed to the fixing plate 15. The buckle 13 can drive the housing 1 and the housing 2 to be fixed by fixing the fixing plate 15. Plug 1 20 and plug 2 21 are inserted into the power supply, and the current can be connected through the connecting wire 1 5 and the connecting wire 2 6. When the current is transmitted to the stator 3 and passes through the electromagnetic coil of the stator 3, a magnetic field is generated, which interacts with the magnetic field of the rotor, thereby generating the torque required for the movement of the motor. The buckle 13 can be removed from the internal slot of the fixing plate 15 to release the fixation of the outer shell 1 and the outer shell 2, thereby facilitating the maintenance of the motor. The starting fan 16 can evenly flow the external air from the inside of the outer shell 2 through the vent 17, thereby effectively dissipating the heat and ensuring the stable operation of the motor in a high temperature environment. By fixing the filter plate 18 inside the outer shell 2, external dust can be prevented from entering the inner shell 2, reducing the risk of equipment failure and extending the service life of the motor.

[0037] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A permanent magnet torque motor, comprising a housing 1 (1), characterized in that: One side of the shell 1 (1) is in contact with the second shell (2), a ventilation assembly is arranged inside the second shell (2), and the ventilation assembly is used to cool the motor; one side of the shell 1 (1) is fixedly connected to the stator (3), one side of the stator (3) is rotatably connected to a hollow shaft rare earth permanent magnet rotor (4), one side of the top of the stator (3) is fixedly connected to a connecting wire 1 (5), one side of the top of the stator (3) is fixedly connected to a connecting wire 2 (6), the front side of the shell 2 (2) is fixedly connected to a fixing block 1 (8), the front side of the shell 2 (2) is fixedly connected to a fixing block 2 (9), the fixing block 1 (8) and the fixing block 2 (9) are fixedly connected to a connecting rod (10) on the side facing each other, and the connecting rod (10) is fixedly connected to the fixing block 1 (8). ) is slidably connected to the outer periphery of the housing (1), a spring (12) is fixedly connected to the side of the sleeve (11) away from the fixing block (9), one end of the spring (12) away from the sleeve (11) is fixedly connected to the side of the fixing block (8), the spring (12) is sleeved on the outer periphery of the connecting rod (10), a buckle (13) is rotatably connected inside the sleeve (11), a fixing plate (15) is fixedly connected to the front side of the housing (1), the side of the buckle (13) away from the sleeve (11) abuts against one side of the fixing plate (15), a pull rod (14) is rotatably connected inside the fixing block (9), and the pull rod (14) is slidably connected to the outer periphery of the buckle (13).

2. A permanent magnet torque motor according to claim 1, characterized in that: The ventilation assembly comprises a fan (16), the fixing plate (15) is fixedly connected to the rear side of the second shell (2), a plurality of evenly distributed ventilation openings (17) are provided inside the second shell (2), and a filter plate (18) is fixedly connected to the rear side of the second shell (2).

3. A permanent magnet torque motor according to claim 2, characterized in that: The front side of the second housing (2) is rotatably connected to a plurality of evenly distributed baffles (19).

4. A permanent magnet torque motor according to claim 1, characterized in that: One end of the connecting wire 1 (5) away from the stator (3) is fixedly connected to a plug 1 (20).

5. A permanent magnet torque motor according to claim 1, characterized in that: One end of the second connecting wire (6) away from the stator (3) is fixedly connected to a second plug (21).

6. A permanent magnet torque motor according to claim 1, characterized in that: A stabilizing plate (22) is fixedly connected to one side of the second shell (2), and the outer periphery of the stabilizing plate (22) is slidably connected to the interior of the first shell (1).

7. A permanent magnet torque motor according to claim 1, characterized in that: A fixing hole (7) is provided on a side of the first shell (1) away from the second shell (2).

8. The permanent magnet torque motor according to claim 1, characterized in that: The stator (3) generates a torque ranging from 2Nm to 500Nm.

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