Magnetic bias calibration module

Abstract

The utility model discloses a magnetic bias calibration module which comprises a fixing support, a pressing mechanism fixedly connected to the front face of the fixing support, a calibration mechanism arranged at the bottom of the pressing mechanism, a driving motor arranged at the bottom of the calibration mechanism, a motor flange plate installed at the top of the calibration mechanism, and a tested motor arranged at the top of the motor flange plate. The calibration mechanism is used for magnetic bias test of the tested motor. According to the utility model, the calibration mechanism, the motor flange plate and the driving motor are matched with each other, and the coupling drives the rotating shaft, the circular grating and the pneumatic chuck to rotate, so that the shaft end of the motor to be tested is clamped by the collet of the pneumatic chuck, and the motor to be tested rotates passively; the circular grating can accurately measure and detect the tested motor, and the reading head of the circular grating transmits the read data, so that the calibration test and zero setting of the tested motor can be met, the measurement convenience is improved, and the magnetic bias calibration efficiency of the tested motor is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of motor calibration, and particularly relates to a magnetic deviation calibration module. Background Art

[0002] During the manufacturing and installation of motors, due to factors such as process, materials, and manual operation, it is easy to cause the deviation between the motor axis and the axis of the mechanical device. Moreover, during the use of the motor, affected by environmental factors such as temperature, humidity, and vibration, it is also easy to cause changes in the magnetic center position. Therefore, motor magnetic deviation calibration is required.

[0003] Motor magnetic deviation calibration is to solve the problem of magnetic center position deviation caused by various reasons during the manufacturing, installation, or use of motors. The existing motor magnetic deviation calibration is achieved by readjusting the position of the stator or rotor core to correct the magnetic center, or by accurately calculating and optimizing the magnetic flux distribution to accurately control and adjust the magnetic center of the motor. However, it is difficult to measure the magnetic center deviation of the motor. The accuracy measured by simple measurement methods is relatively low, and the measurement process is time-consuming and laborious, which easily results in low calibration efficiency of the motor. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a magnetic deviation calibration module to solve the problems mentioned in the above background art.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A magnetic deviation calibration module, comprising: a fixed bracket, a pressing mechanism is fixedly connected to the front surface of the fixed bracket, a calibration mechanism is arranged at the bottom of the pressing mechanism, a driving motor is arranged at the bottom of the calibration mechanism, a motor flange is installed at the top of the calibration mechanism, a measured motor is arranged at the top of the motor flange, and the calibration mechanism is used for magnetic deviation testing of the measured motor.

[0006] Preferably, the calibration mechanism includes:

[0007] A flange mounting seat, and the motor flange is installed on the top of the flange mounting seat;

[0008] A pneumatic chuck, which is arranged in the inner cavity of the flange mounting seat;

[0009] A chuck plate, which is arranged at the bottom of the inner cavity of the flange mounting seat, and the pneumatic chuck is installed on the top of the chuck plate;

[0010] A rotating shaft, which rotates at the bottom of the flange mounting seat;

[0011] A circular grating, which is installed on the top of the rotating shaft;

[0012] Bearing housing, the bearing housing is fixed to the bottom of the flange plate mounting seat;

[0013] Reading head, the reading head is mounted on the top of the bearing housing;

[0014] Coupling, the coupling is mounted vertically at the bottom of the rotating shaft;

[0015] Motor fixing seat, the motor fixing seat is fixed vertically to the bottom of the bearing housing, and the drive motor is mounted on the bottom of the motor fixing seat.

[0016] Preferably, the pneumatic chuck is mounted on the top of the rotating shaft through a chuck plate, and the reading head is arranged outside the circular grating.

[0017] Preferably, both ends of the rotating shaft are rotatably inserted through the inner wall of the bearing housing through bearings, and the coupling is arranged in the inner cavity of the motor fixing seat.

[0018] Preferably, the pressing mechanism includes:

[0019] Sliding module, the sliding module is mounted on the front of the fixed bracket;

[0020] Servo motor, the servo motor is mounted on the top of the sliding module;

[0021] Slider, the slider slides on the outer wall of the sliding module;

[0022] Elastic component, the elastic component is fixed to the bottom of the slider.

[0023] Preferably, the elastic component includes:

[0024] Mounting plate, the mounting plate is fixed to the bottom of the slider;

[0025] Multiple compression springs, multiple compression springs are fixed to the lower surface of the mounting plate in a rectangular array;

[0026] Elastic plate, the elastic plate is fixed to the bottom of the multiple compression springs;

[0027] Polyurethane pressing plate, the polyurethane pressing plate is fixed to the lower surface of the elastic plate.

[0028] The technical effects and advantages of the present utility model:

[0029] The utility model uses a setting method in which a calibration mechanism, a motor flange plate and a driving motor cooperate. The rotating shaft, the circular grating and the pneumatic chuck are driven to rotate through a coupling, so that the shaft end of the motor to be measured is clamped by the collet of the pneumatic chuck, and the motor to be measured is driven to rotate passively, so that the circular grating can accurately measure and detect the motor to be measured. And the data read by the circular grating reading head is transmitted, which can meet the calibration test and zero adjustment of the motor to be measured, improve the measurement convenience, and improve the efficiency of magnetic deviation calibration of the motor to be measured. Brief Description of the Drawings

[0030] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0031] Figure 2 It is a schematic diagram of the overall side structure of the utility model.

[0032] Figure 3 It is a schematic diagram of the side sectional structure at the pneumatic chuck of the utility model.

[0033] Figure 4 For the utility model Figure 1 The partial enlarged structure schematic diagram at position A in it.

[0034] In the figure: 1. Fixed bracket; 2. Pressing mechanism; 21. Sliding module; 22. Servo motor; 23. Slide seat; 24. Elastic component; 241. Mounting plate; 242. Compression spring; 243. Elastic plate; 244. Polyurethane pressing plate; 3. Calibration mechanism; 31. Flange plate mounting seat; 32. Pneumatic chuck; 33. Chuck plate; 34. Rotating shaft; 35. Circular grating; 36. Bearing seat; 37. Reading head; 38. Coupling; 39. Motor fixing seat; 4. Motor flange plate; 5. Driving motor; 6. Motor to be measured. Detailed Embodiment

[0035] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0036] The present utility model provides as Figures 1-4A magnetic declination calibration module shown in the figure includes: a fixed bracket 1, the fixed bracket 1 is installed on the calibration device, and a pressing mechanism 2 is fixedly connected to the front of the fixed bracket 1. The pressing mechanism 2 includes: a sliding module 21, a servo motor 22, a sliding seat 23 and an elastic component 24. The sliding module 21 is installed on the front of the fixed bracket 1, the servo motor 22 is installed on the top of the sliding module 21, the sliding seat 23 slides on the outer wall of the sliding module 21. The sliding module 21, the servo motor 22 and the sliding seat 23 are existing lifting and moving structures. The elastic component 24 is fixed to the bottom of the sliding seat 23, and through the elastic component 24, it is convenient to elastically press the motor 6 to be measured;

[0037] Specifically, the elastic component 24 includes: a mounting plate 241, a plurality of compression springs 242, an elastic plate 243 and a polyurethane pressing plate 244. The mounting plate 241 is fixed to the bottom of the sliding seat 23, the plurality of compression springs 242 are fixedly arranged in a rectangular array on the lower surface of the mounting plate 241, the elastic plate 243 is fixed to the bottom of the plurality of compression springs 242, and the polyurethane pressing plate 244 is fixed to the lower surface of the elastic plate 243. Through the elasticity of the compression springs 242, the elastic plate 243 and the polyurethane pressing plate 244, the mounting plate 241 elastically presses the motor 6 to be measured, reducing the pressing damage to the motor 6 to be measured;

[0038] Furthermore, a calibration mechanism 3 is arranged at the bottom of the pressing mechanism 2. The calibration mechanism 3 includes: a flange plate mounting seat 31, a pneumatic chuck 32, a chuck plate 33, a rotating shaft 34, a circular grating 35, a bearing seat 36, a reading head 37, a coupling 38 and a motor fixing seat 39. The motor flange plate 4 is installed on the top of the flange plate mounting seat 31, the pneumatic chuck 32 is arranged in the inner cavity of the flange plate mounting seat 31, the chuck plate 33 is arranged at the bottom of the inner cavity of the flange plate mounting seat 31, the pneumatic chuck 32 is installed on the top of the chuck plate 33, the pneumatic chuck 32 is installed on the top of the rotating shaft 34 through the chuck plate 33, the rotating shaft 34 rotates at the bottom of the flange plate mounting seat 31, facilitating the rotating shaft 34 to drive the chuck plate 33 and the pneumatic chuck 32 to rotate. The circular grating 35 is installed on the top of the rotating shaft 34, the bearing seat 36 is fixed to the bottom of the flange plate mounting seat 31, both ends of the rotating shaft 34 are rotationally inserted through the inner wall of the bearing seat 36 through bearings, the reading head 37 is arranged outside the circular grating 35, the reading head 37 is installed on the top of the bearing seat 36, the coupling 38 is installed vertically at the bottom of the rotating shaft 34, the motor fixing seat 39 is fixed vertically at the bottom of the bearing seat 36, and the coupling 38 is arranged in the inner cavity of the motor fixing seat 39. Through the installation of the rotating shaft 34 and the coupling 38, it is convenient for the coupling 38 to play an overload protection role for the rotating shaft 34;

[0039] Further, a driving motor 5 is provided at the bottom of the calibration mechanism 3. The driving motor 5 is installed at the bottom of the motor fixing base 39. A motor flange plate 4 is installed at the top of the calibration mechanism 3. A chuck collet is fixed on the motor flange plate 4. A motor under test 6 is arranged at the top of the motor flange plate 4, facilitating the clamping of the driving end of the motor under test 6 by the chuck collet. Moreover, the motor flange plate 4 and the chuck collet corresponding to different models of the motor under test 6 are different. The calibration mechanism 3 is used for the magnetic deviation test of the motor under test 6. If the model of the motor under test 6 is different, different motor flange plates 4 and chuck collets need to be replaced. During use, place the motor under test 6 on the motor flange plate 4; press the start button of the servo motor 22, the upper slide 23 of the sliding module 21 moves, causing its elastic component 24 to descend and press tightly against the motor under test 6, and the pneumatic chuck 32 clamps the output shaft of the motor under test 6. The driving motor 5 rotates, driving the rotating shaft 34, the circular grating 35, and the pneumatic chuck 32 to rotate through the coupling 38, driving the motor under test 6 to rotate, and testing the performance of the motor under test 6. After the test is completed, the upper slide 23 on the sliding module 21 rises, and the pneumatic chuck 32 releases the clamping of the motor under test 6, and the operator takes out the motor under test 6, making the calibration test and zero adjustment test of the motor under test 6 convenient and improving the efficiency of magnetic deviation calibration of the motor under test 6.

[0040] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A magnetic bias calibration module, comprising: A fixed bracket (1), characterized in that: a pressing mechanism (2) is fixedly connected to the front of the fixed bracket (1), a calibration mechanism (3) is arranged at the bottom of the pressing mechanism (2), a driving motor (5) is arranged at the bottom of the calibration mechanism (3), a motor flange plate (4) is installed on the top of the calibration mechanism (3), a motor to be tested (6) is arranged on the top of the motor flange plate (4), and the calibration mechanism (3) is used for magnetic bias testing of the motor to be tested (6).

2. A magnetic bias calibration module according to claim 1, characterized in that: The calibration mechanism (3) comprises: A flange plate mounting seat (31), wherein the motor flange plate (4) is mounted on the top of the flange plate mounting seat (31); A pneumatic chuck (32), wherein the pneumatic chuck (32) is arranged in the inner cavity of the flange plate mounting seat (31); A chuck plate (33), wherein the chuck plate (33) is arranged at the bottom of the inner cavity of the flange plate mounting seat (31), and the pneumatic chuck (32) is installed at the top of the chuck plate (33); A rotating shaft (34), the rotating shaft (34) rotates on the bottom of the flange plate mounting seat (31); A circular grating (35), wherein the circular grating (35) is mounted on the top of the rotating shaft (34); A bearing seat (36), wherein the bearing seat (36) is fixed to the bottom of the flange plate mounting seat (31); A reading head (37), wherein the reading head (37) is mounted on the top of the bearing seat (36); A coupling (38), wherein the coupling (38) is vertically mounted at the bottom of the rotating shaft (34); A motor fixing seat (39), wherein the motor fixing seat (39) is fixed to the bottom of the bearing seat (36) in a vertical direction, and the drive motor (5) is installed at the bottom of the motor fixing seat (39).

3. A magnetic bias calibration module according to claim 2, characterized in that: The pneumatic chuck (32) is mounted on the top of the rotating shaft (34) via a chuck plate (33), and the reading head (37) is arranged outside the circular grating (35).

4. The magnetic bias calibration module according to claim 2, characterized in that: Both ends of the rotating shaft (34) are rotatably connected to the inner wall of the bearing seat (36) through bearings, and the coupling (38) is arranged in the inner cavity of the motor fixing seat (39).

5. The magnetic bias calibration module according to claim 2, characterized in that: The pressing mechanism (2) comprises: A sliding module (21), wherein the sliding module (21) is installed on the front side of the fixed bracket (1); A servo motor (22), wherein the servo motor (22) is mounted on the top of the sliding module (21); A sliding seat (23), wherein the sliding seat (23) slides on the outer wall of the sliding module (21); An elastic component (24), wherein the elastic component (24) is fixed to the bottom of the slide seat (23).

6. The magnetic bias calibration module according to claim 5, characterized in that: The elastic component (24) comprises: A mounting plate (241), wherein the mounting plate (241) is fixed to the bottom of the slide seat (23); A plurality of compression springs (242), wherein the plurality of compression springs (242) are fixed to the lower surface of the mounting plate (241) in a rectangular array; An elastic plate (243), wherein the elastic plate (243) is fixed to the bottom of the plurality of compression springs (242); A polyurethane pressing plate (244) is fixed to the lower surface of the elastic plate (243).

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