Horizontal type permanent magnet rotor surface magnetic characteristic measuring equipment
By using a horizontal permanent magnet rotor surface magnetic characteristic measurement device, and employing lifting and adjusting components to ensure precise positioning of the Hall probe, the problems of accuracy and efficiency in permanent magnet rotor measurement are solved, achieving highly efficient testing results.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- VAT MAGNETOELECTRICITY TECH
- Filing Date
- 2025-04-29
- Publication Date
- 2026-05-01
AI Technical Summary
In existing technologies, permanent magnet rotor measurement suffers from low measurement accuracy and low testing efficiency in mass production.
A horizontal permanent magnet rotor surface magnetic characteristic measurement device is adopted. The height of the permanent magnet rotor is controlled by a lifting component, the permanent magnet rotor is clamped by a three-jaw chuck and a center tailstock, and the Hall probe is adjusted to a suitable position by an adjustment component to ensure measurement accuracy and improve detection efficiency.
This ensures the accuracy of surface magnetic field measurement for permanent magnet rotors, while also improving testing efficiency and saving labor.
Smart Images

Figure CN224190224U_ABST
Abstract
Description
A horizontal permanent magnet rotor surface magnetic characteristic measuring device Technical Field
[0001] This utility model belongs to the field of magnetic measurement technology, and in particular relates to a horizontal permanent magnet rotor surface magnetic characteristic measurement device. Background Technology
[0002] With the development of magnetic material performance and magnet manufacturing technology, various magnetic materials and their products have been widely used and developed in various fields such as electrical, medical, electromechanical, and aerospace. Since the magnitude and distribution of a magnet's magnetic field directly affect the performance of its applied products, it is crucial to measure and screen magnets before use.
[0003] In existing methods for measuring permanent magnet rotors, workers clamp the rotor using a three-jaw or four-jaw chuck and then use a Hall probe to measure the surface magnetic characteristics of the permanent magnet rotor. However, the above method has shortcomings. On the one hand, when workers control the Hall probe for measurement, it is impossible to ensure that the Hall probe and the permanent magnet rotor are relatively fixed, which affects the accuracy of the measurement. On the other hand, when permanent magnet rotors are mass-produced, the inspection is time-consuming and labor-intensive, which affects the inspection efficiency. Summary of the Invention
[0004] The purpose of this invention is to solve the aforementioned technical problems in the prior art and to provide a horizontal permanent magnet rotor surface magnetic characteristic measuring device. This device controls the height of the permanent magnet rotor through a lifting assembly, moves the lifting assembly to a suitable position, and ensures that the shaft of the permanent magnet rotor can enter the working clamping range of the three-jaw chuck. Then, the center tailstock is moved to clamp the permanent magnet rotor. Finally, the Hall probe is adjusted to a suitable position and fixed by an adjusting assembly. This assists workers in measuring the surface magnetic properties of the permanent magnet rotor, ensuring measurement accuracy while increasing testing efficiency and saving labor.
[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:
[0006] A horizontal permanent magnet rotor surface magnetic characteristic measuring device includes a machine body with a three-jaw chuck for clamping a workpiece; characterized in that it further includes a track assembly mounted on the machine body, a center tailstock mounted on the track assembly, the center tailstock moving along the track assembly and used for positioning the workpiece; a lifting assembly connected to the track assembly and moving along the track assembly, the lifting assembly used for mounting the workpiece and driving the workpiece to rise and fall; and an adjustment assembly with a Hall probe mounted on it, the adjustment assembly used for adjusting the position of the Hall probe.
[0007] The height of the permanent magnet rotor is controlled by the lifting component. The lifting component is moved to a suitable position, ensuring that the axis of the permanent magnet rotor can enter the working gripping range of the three-jaw chuck. Then, the center tailstock is moved to clamp the permanent magnet rotor. Finally, the Hall probe is adjusted to a suitable position and fixed by the adjusting component. This assists the worker in measuring the surface magnetism of the permanent magnet rotor, ensuring measurement accuracy, increasing testing efficiency, and saving manpower.
[0008] Furthermore, the track assembly includes a moving track, a moving block, and a moving plate. The moving track is fixed to the machine body, the moving block is fixed to the bottom of the moving plate, and the moving plate is mounted on the moving track via the moving block and moves along the moving track.
[0009] Furthermore, there are two sets of moving plates and moving blocks. The two moving plates are respectively equipped with a center tailstock and a lifting assembly. The bottom of the moving plate is equipped with a locking component, which is connected to the moving track and is used to fix the moving plate.
[0010] Furthermore, the lifting assembly includes a first electric cylinder, a connecting module, and a lifting module. The connecting module is connected to the track assembly, the first electric cylinder is mounted on the connecting module, the lifting module is connected to the first electric cylinder, the first electric cylinder controls the lifting module to lift and lower, and the lifting module is equipped with a nylon mold, on which the workpiece is mounted.
[0011] Furthermore, the connecting module includes a connecting rod and a connecting plate. One end of the connecting rod is fixedly connected to the connecting plate, and the other end of the connecting rod is fixedly connected to the track assembly. The first electric cylinder is mounted on the connecting plate.
[0012] Furthermore, the lifting module includes a lifting plate, a lifting rod, and a lifting seat. The lifting plate is connected to the first electric cylinder. The two ends of the lifting rod are fixed on the lifting plate and the lifting seat, respectively. The lifting plate is mounted on the connecting rod via a guide seat and moves along the connecting rod. The nylon mold is mounted on the lifting seat.
[0013] Furthermore, the machine body is equipped with a limiting groove, through which the lifting rod passes.
[0014] Furthermore, the adjustment assembly includes a second electric cylinder, a third electric cylinder, and a mounting bracket. The second electric cylinder is mounted on the machine body, the third electric cylinder is connected to the second electric cylinder via a mounting plate, the mounting bracket is connected to the third electric cylinder, and the mounting bracket is mounted with a fixed frame via a height adjustment module. The Hall probe is mounted on the fixed frame.
[0015] Furthermore, the height adjustment module includes a fixed block, a lifting block, and a fastening nut. The fixed block is fixed on the mounting bracket and has a protrusion. The lifting block has a groove, the protrusion is embedded in the groove, and the fastening nut passes through the lifting block and abuts against the protrusion.
[0016] Furthermore, the machine body is equipped with casters.
[0017] This utility model, by adopting the above-mentioned technical solution, has the following beneficial effects:
[0018] In this invention, the machine body is equipped with a three-jaw chuck to clamp the workpiece. A track assembly is mounted on the machine body, and a center tailstock is installed on the track assembly. The center tailstock moves along the track assembly and positions the workpiece. A lifting assembly is connected to the track assembly and moves along the track assembly. The lifting assembly is used to install the workpiece and drive the workpiece to rise and fall. A Hall probe is installed on the adjusting assembly. The height of the permanent magnet rotor is controlled by the lifting assembly. The lifting assembly is moved to a suitable position, ensuring that the axis of the permanent magnet rotor can enter the working clamping range of the three-jaw chuck. Then, the center tailstock is moved to clamp the permanent magnet rotor. The Hall probe is adjusted to a suitable position and fixed by the adjusting assembly. This assists the worker in measuring the surface magnetism of the permanent magnet rotor, ensuring measurement accuracy while increasing detection efficiency and saving labor.
[0019] In this utility model, there are two sets of moving plates and moving blocks. The top tailstock and the lifting assembly are respectively installed on the two moving plates, and a locking component is provided at the bottom of the moving plate. The locking component is connected to the moving track. When the top tailstock and the lifting assembly move to the corresponding position, the moving plate is locked on the moving track by the locking component to prevent the moving plate from shifting and thus affecting the detection effect.
[0020] In this invention, the third electric cylinder is connected to the second electric cylinder via a mounting plate, and the mounting bracket is connected to the third electric cylinder. The mounting bracket is fitted with a fixed frame via a height adjustment module. The Hall probe is mounted on the fixed frame. The second and third electric cylinders are vertically arranged. The second electric cylinder controls the lateral movement of the third electric cylinder, and the third electric cylinder controls the longitudinal movement of the mounting bracket. The height of the Hall probe is adjusted via the height adjustment module. This three-way adjustment enables spatial adjustment of the Hall probe, ensuring the accuracy of the Hall probe detection. Attached Figure Description
[0021] The present invention will be further described below with reference to the accompanying drawings:
[0022] Figure 1 is a structural schematic diagram of a horizontal permanent magnet rotor surface magnetic characteristic measuring device according to the present invention.
[0023] Figure 2 is a structural schematic diagram of a horizontal permanent magnet rotor surface magnetic characteristic measuring device of this utility model from another perspective.
[0024] Figure 3 is a structural schematic diagram of the lifting component in this utility model;
[0025] Figure 4 is a schematic diagram of the adjustment component in this utility model;
[0026] Figure 5 is a partial enlarged view of the height adjustment module in this utility model.
[0027] In the diagram: 10-Main body; 11-Three-jaw chuck; 12-Universal wheel; 13-Tailstock; 14-Limit groove; 15-Hall sensor probe; 20-Rail assembly; 21-Moving rail; 22-Moving block; 23-Moving plate; 24-Locking component; 30-Lifting assembly; 31-First electric cylinder; 32-Connecting rod; 33-Connecting plate; 34-Lifting plate; 35-Lifting rod; 36-Lifting seat; 37-Guide seat; 38-Nylon mold; 40-Adjusting assembly; 41-Second electric cylinder; 42-Third electric cylinder; 43-Mounting bracket; 44-Mounting plate; 45-Fixing bracket; 46-Fixing block; 47-Lifting block; 48-Fasting nut; 49-Protrusion; 410-Groove. Detailed Implementation
[0028] As shown in Figures 1 to 5, this utility model discloses a horizontal permanent magnet rotor surface magnetic characteristic measuring device, comprising a body 10, a track assembly 20, a lifting assembly 30, and an adjusting assembly 40. The bottom of the body 10 is equipped with casters 12 for easy movement. A three-jaw chuck 11 is mounted on the body 10 to clamp the permanent magnet rotor. The track assembly 20 is mounted on the body 10 and has a center tailstock 13 installed on it. The center tailstock 13 moves along the track assembly 20. After the three-jaw chuck 11 clamps the permanent magnet rotor, the center tailstock 13 presses against the rotor, thus positioning it. The lifting assembly 30 is connected to the track assembly 20 and moves along it. The lifting assembly 30 is used to install the permanent magnet rotor and drive the permanent magnet rotor to rise and fall, so that the axis of the permanent magnet rotor is consistent with the clamping range of the three-jaw chuck 11. The adjustment assembly 40 is equipped with a Hall probe 15, which is used to adjust the position of the Hall probe 15. The height of the permanent magnet rotor is controlled by the lifting assembly 30. The lifting assembly 30 is moved to a suitable position, ensuring that the axis of the permanent magnet rotor can enter the working clamping range of the three-jaw chuck 11. Then, the center tailstock 13 is moved to clamp the permanent magnet rotor. Finally, the Hall probe 15 is adjusted to a suitable position and fixed by the adjustment assembly 40. This assists the worker in measuring the surface magnetism of the permanent magnet rotor, ensuring measurement accuracy, increasing detection efficiency, and saving labor.
[0029] In this utility model, the tip tailstock 13 is existing technology, so it will not be described further here.
[0030] The track assembly 20 includes a moving track 21, a moving block 22, a moving plate 23, and a locking member 24. The moving track 21 is fixed on the machine body 10, and the moving block 22 is fixed at the four ends of the bottom of the moving plate 23. The moving plate 23 is mounted on the moving track 21 via the moving block 22 and moves along the moving track 21. In this embodiment, there are two sets of moving plates 23 and moving blocks 22. The tip tail seat 13 and the lifting assembly 30 are respectively mounted on the two moving plates 23. The locking member 24 is mounted on the bottom of the moving plate 23 and is connected to the moving track 21 and can move along the moving track 21. When the tip tail seat 13 and the lifting assembly 30 move to the corresponding position, the locking member 24 locks the moving plate 23 on the moving track 21 to prevent the moving plate 23 from shifting and affecting the detection effect.
[0031] The lifting assembly 30 includes a first electric cylinder 31, a connecting module, and a lifting module. The connecting module is fixed on the moving plate 23 of the track assembly 20, thereby connecting the lifting assembly 30 and the track assembly 20. The first electric cylinder 31 is installed on the connecting module, and the lifting module is connected to the first electric cylinder 31. A nylon mold 38 is installed on the lifting module, and the permanent magnet rotor is placed on the nylon mold 38. The lifting module is driven by the first electric cylinder 31 to lift and lower, thereby driving the permanent magnet rotor placed on the nylon mold 38 to lift and lower, so that the axis of the permanent magnet rotor is consistent with the clamping range of the three-jaw chuck 11.
[0032] Specifically, the connecting module includes a connecting rod 32 and a connecting plate 33, and the lifting module includes a lifting plate 34, a lifting rod 35, and a lifting seat 36. One end of the connecting rod 32 is fixed to the connecting plate 33, and the other end of the connecting rod 32 is fixed to the bottom of the moving plate 23 of the track assembly 20. The first electric cylinder 31 is fixedly installed on the connecting plate 33. The lifting plate 34 is connected to the first electric cylinder 31. The lifting plate 34 is installed on the connecting rod 32 through the guide seat 37 and moves along the connecting rod 32. During the lifting process, the connecting rod 32 can play a guiding role to make the lifting more stable. One end of the lifting rod 35 is fixedly installed on the lifting plate 34. The machine body 10 is provided with a limiting groove 14. The lifting rod 35 passes through the limiting groove 14 and the moving plate 23 and is fixedly connected to the lifting seat 36. The lifting rod 35 is limited in the limiting groove 14. During the movement of the lifting assembly 30, the lifting rod 35 moves along the limiting groove 14. The nylon mold 38 is installed on the top surface of the lifting seat 36.
[0033] The adjustment assembly 40 includes a second electric cylinder 41, a third electric cylinder 42, and a mounting bracket 43. The second electric cylinder 41 is mounted on the machine body 10. The third electric cylinder 42 is connected to the second electric cylinder 41 via a mounting plate 44. The mounting bracket 43 is connected to the third electric cylinder 42, and the second electric cylinder 41 and the third electric cylinder 42 are arranged vertically, such that the second electric cylinder 41 drives the third electric cylinder 42 to move laterally, and the third electric cylinder 42 drives the mounting bracket 43 to move longitudinally. The mounting bracket 43 is equipped with a fixed frame 45 via a height adjustment module. The Hall probe 15 is mounted on the fixed frame 45, and the height of the Hall probe 15 can be appropriately adjusted via the height adjustment module.
[0034] The height adjustment module includes a fixed block 46, a lifting block 47, and a fastening nut 48. The fixed block 46 is fixed on the mounting bracket 43. The fixed block 46 has a protrusion 49. The lifting block 47 has a groove 410. The protrusion 49 is embedded in the groove 410. The fastening nut 48 passes through the lifting block 47 and abuts against the protrusion 49. When the lifting block 47 is raised to a suitable height, it is fixed by locking the fastening nut 48.
[0035] In this utility model, the second electric cylinder 41 and the third electric cylinder 42 are arranged vertically. The second electric cylinder 41 controls the third electric cylinder 42 to move laterally, and the third electric cylinder 42 controls the mounting bracket 43 to move longitudinally. The height of the Hall probe 15 is adjusted by the height adjustment module. The Hall probe 15 is spatially adjusted through three-way adjustment to ensure the accuracy of the Hall probe 15 detection.
[0036] The above are merely specific embodiments of this utility model, but the technical features of this utility model are not limited thereto. Any simple changes, equivalent substitutions, or modifications made based on this utility model to solve essentially the same technical problems and achieve essentially the same technical effects are all covered within the protection scope of this utility model.
Claims
1. A horizontal permanent magnet rotor surface magnetic characteristic measuring device, comprising a body, wherein the body is provided with a three-jaw chuck, the three-jaw chuck being used to clamp a workpiece; characterized in that: It also includes a track assembly, which is mounted on the machine body and has a center tailstock mounted on it. The center tailstock moves along the track assembly and is used to position the workpiece; a lifting assembly, which is connected to the track assembly and moves along it, and is used to mount the workpiece and move it up and down; and an adjustment assembly, which has a Hall sensor mounted on it and is used to adjust the position of the Hall sensor.
2. A horizontal permanent-magnet-rotor surface-magnetic-property measuring apparatus according to claim 1, characterized by: The track assembly includes a moving track, a moving block, and a moving plate. The moving track is fixed to the machine body, the moving block is fixed to the bottom of the moving plate, and the moving plate is mounted on the moving track via the moving block and moves along the moving track.
3. A horizontal permanent-magnet-rotor surface-magnetic-property measuring apparatus according to claim 2, characterized by: The movable plate and the movable block are provided in two sets. The center tailstock and the lifting assembly are respectively installed on the two movable plates. The bottom of the movable plate is provided with a locking member, which is connected to the movable track and is used to fix the movable plate.
4. The horizontal permanent-magnet-rotor surface-magnetic-property measuring apparatus according to claim 1, characterized by: The lifting assembly includes a first electric cylinder, a connecting module, and a lifting module. The connecting module is connected to the track assembly. The first electric cylinder is mounted on the connecting module. The lifting module is connected to the first electric cylinder. The first electric cylinder controls the lifting module to move up and down. The lifting module is equipped with a nylon mold, and the workpiece is mounted on the nylon mold.
5. A horizontal permanent-magnet-rotor surface-magnetic-property measuring apparatus according to claim 4, characterized by: The connection module includes a connecting rod and a connecting plate. One end of the connecting rod is fixedly connected to the connecting plate, and the other end of the connecting rod is fixedly connected to the track assembly. The first electric cylinder is mounted on the connecting plate.
6. The horizontal permanent magnet rotor surface magnetic characteristic measuring device according to claim 5, characterized in that: The lifting module includes a lifting plate, a lifting rod, and a lifting seat. The lifting plate is connected to the first electric cylinder. The two ends of the lifting rod are fixed to the lifting plate and the lifting seat, respectively. The lifting plate is mounted on the connecting rod via a guide seat and moves along the connecting rod. The nylon mold is mounted on the lifting seat.
7. The horizontal permanent magnet rotor surface magnetic characteristic measuring device according to claim 6, characterized in that: The machine body is provided with a limiting groove, and the lifting rod passes through the limiting groove.
8. The horizontal permanent magnet rotor surface magnetic characteristic measuring device according to claim 1, characterized in that: The adjustment assembly includes a second electric cylinder, a third electric cylinder, and a mounting bracket. The second electric cylinder is mounted on the machine body. The third electric cylinder is connected to the second electric cylinder via a mounting plate. The mounting bracket is connected to the third electric cylinder. The mounting bracket is equipped with a fixed frame via a height adjustment module. The Hall probe is mounted on the fixed frame.
9. A horizontal permanent-magnet-rotor surface-magnetic-property measuring apparatus according to claim 8, characterized by: The height adjustment module includes a fixed block, a lifting block, and a fastening nut. The fixed block is fixed on the mounting bracket and has a protrusion. The lifting block has a groove, the protrusion is embedded in the groove, and the fastening nut passes through the lifting block and abuts against the protrusion.
10. The horizontal permanent-magnet-rotor surface-magnetic-property measuring apparatus according to claim 1, characterized by: The machine body is equipped with casters.