Measuring device for neodymium iron boron magnetic sheet

Abstract

The utility model relates to the technical field of magnetic sheet production and processing, and particularly discloses a measuring device for a neodymium-iron-boron magnetic sheet, which solves the technical problem that the measuring result of the performance of the neodymium-iron-boron magnetic sheet deviates due to the fact that the neodymium-iron-boron magnetic sheet cannot be accurately placed at the central position by the existing measuring device for the neodymium-iron-boron magnetic sheet. A wire is connected to one side of the host, a coil magnetic core is connected to the other end of the wire, a fixed shaft is fixedly connected to the interior of the coil magnetic core, a supporting seat is connected to the upper end of the fixed shaft, a supporting plate is arranged in the supporting seat, and a rotary adjusting assembly is arranged in the supporting plate; the outer surface of the fixing shaft is connected with a positioning assembly, the angle of the measurement position of the neodymium-iron-boron magnetic sheet placed on the upper surface of the supporting plate can be adjusted by rotating the adjusting assembly, and therefore the magnetic performance of the irregular neodymium-iron-boron magnetic sheet in multiple directions can be measured, and the neodymium-iron-boron magnetic sheet can be positioned through the positioning assembly. And the neodymium iron boron magnetic sheet is placed at the central position for measurement.

Description

Technical Field

[0001] The utility model relates to the technical field of magnetic sheet production and processing, in particular to a measuring device for NdFeB magnetic sheets. Background Art

[0002] NdFeB magnet is a common permanent magnet material, mainly composed of three elements: neodymium, iron and boron. This kind of magnet is usually called NdFeB magnet, which is a powerful permanent magnet material with high magnetic energy product and high magnetic energy density. In the process of producing and processing NdFeB magnets, many aspects of measurement are required to ensure that the product meets the design specifications and quality standards. Among them, measuring magnetic properties is crucial, including magnetic induction intensity, remanence, coercive force, etc., and the magnetic properties of NdFeB magnets are usually measured using a fluxmeter.

[0003] However, the existing NdFeB magnet measuring device requires the user to manually place the NdFeB magnet inside the device, and manual placement makes it difficult to ensure that the NdFeB magnet is located at the center of the device. Since the NdFeB magnet is an anisotropic material, its magnetic properties vary in different directions. Inaccurate placement will cause deviations in the measurement results of the NdFeB magnet performance. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the shortcomings of the prior art, the utility model provides a measuring device for NdFeB magnetic sheets, which can solve the problem that the existing measuring devices for NdFeB magnetic sheets cannot accurately place the NdFeB magnetic sheets at the center position, resulting in deviations in the measurement results of the performance of the NdFeB magnetic sheets. The utility model can place the NdFeB magnetic sheets at the center position for measurement and adjust the angle of the measuring position of the NdFeB magnetic sheets at the same time, thereby measuring the magnetic properties of irregularly shaped NdFeB magnetic sheets in multiple directions.

[0006] (II) Technical solution

[0007] To achieve the above purpose, the utility model provides the following technical solutions: a measuring device for NdFeB magnetic sheets, comprising a host, one side of the host is connected to an electric wire, the other end of the electric wire is connected to a coil core, the inside of the coil core is fixedly connected to a fixed shaft, the upper end of the fixed shaft is connected to a support seat, the inside of the support seat is provided with a support plate, and the inside of the support plate is provided with a rotation adjustment component;

[0008] The outer surface of the fixed shaft is connected with a positioning assembly, which comprises an annular seat, a driving seat and a positioning rod.

[0009] Through the above technical scheme, the angle of the measurement position of the NdFeB magnetic sheet placed on the upper surface of the support plate can be adjusted by using a rotating adjustment component, so as to measure the magnetic properties of the irregular NdFeB magnetic sheet in multiple directions, and the NdFeB magnetic sheet can be positioned by using a positioning component so that the NdFeB magnetic sheet is placed in the center position for measurement.

[0010] Furthermore, the outer surface of the fixed shaft is fixedly connected to a limit plate, and the limit plate is a circular ring structure.

[0011] Through the above technical solution, the limiting plate can support and limit the annular seat.

[0012] Furthermore, a storage groove is provided on the outer surface of the support seat, and the connection between the positioning rod and the storage groove is a sliding connection.

[0013] Through the above technical solution, the storage groove can store the positioning rod, which not only makes it convenient to reduce the space occupied by the positioning component, but also avoids the positioning component from affecting the magnetic property measurement of the NdFeB magnetic sheet.

[0014] Furthermore, the rotation adjustment component includes a spring and a positioning shaft. The positioning shaft forms a telescopic structure inside the support plate through the spring. A positioning groove is opened inside the support seat, and a protrusion is connected to the upper surface of the positioning shaft.

[0015] Through the above technical solution, the pushing protrusion can adjust the position of the positioning shaft, so that the positioning shaft and the positioning groove are separated from each other, thereby releasing the positioning of the support plate.

[0016] Furthermore, the connection mode between the positioning shaft and the positioning groove is a snap-fit ​​connection, the positioning grooves are distributed at equal angles inside the support seat, and the connection mode between the support plate and the support seat is a rotational connection.

[0017] Through the above technical solution, the rotating support plate can drive the NdFeB magnetic sheet on its upper surface to adjust the angle of the measuring position, and the support plate can be positioned through the snap connection between the positioning shaft and the positioning groove.

[0018] Furthermore, a slide groove is provided inside the annular seat, a slider is connected inside the slide groove, a positioning rod is fixedly connected to the end of the slider, a limiting block is fixedly connected to the upper surface of the slider, a limiting groove is provided inside the driving seat, and the limiting block and the limiting groove are connected to each other.

[0019] Through the above technical solution, the driving seat drives the slider to move through the limit block, so that the slider drives the positioning rod to move linearly.

[0020] Furthermore, a shifting block is fixedly connected to the outer surface of the driving seat, and the shifting blocks are symmetrically distributed about the longitudinal center line of the driving seat.

[0021] Through the above technical solution, pushing the shift block can drive the driving seat to rotate, thereby controlling the positioning component to position the NdFeB magnetic sheet, which is conducive to improving the convenience of the positioning operation.

[0022] Compared with the prior art, the utility model provides a measuring device for NdFeB magnetic sheets, which has the following beneficial effects:

[0023] In the utility model, the angle of the measuring position of the NdFeB magnetic sheet placed on the upper surface of the support plate can be adjusted by rotating the adjustment component, so as to measure the magnetic properties of the irregular NdFeB magnetic sheet in multiple directions, which is beneficial to obtain the magnetic properties of the irregular NdFeB magnetic sheet in different directions, and the NdFeB magnetic sheet can be positioned by the positioning component so that the NdFeB magnetic sheet is placed in the center position for measurement, which is beneficial to improve the accuracy of the measurement of the magnetic properties of the NdFeB magnetic sheet. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0025] Figure 2 It is a schematic cross-sectional view of the magnetic core of the coil in the utility model;

[0026] Figure 3 For the utility model Figure 2 The enlarged structural diagram at A in the middle;

[0027] Figure 4 This is a schematic diagram of the connection structure between the fixed shaft and the limiting plate in the utility model;

[0028] Figure 5 It is a cross-sectional structural schematic diagram of the driving seat in the utility model;

[0029] Figure 6 This is a schematic diagram of the connection structure between the slider and the limit block in the utility model;

[0030] Figure 7 It is a structural schematic diagram of the support seat in the utility model.

[0031] Figure 8 It is a schematic diagram of the connection structure between the spring and the positioning shaft in the utility model.

[0032] Among them: 1. host; 2. electric wire; 3. coil core; 4. fixed shaft; 5. support seat; 6. positioning groove; 7. support plate; 8. spring; 9. positioning shaft; 10. bump; 11. limit plate; 12. annular seat; 13. slide groove; 14. slider; 15. limit block; 16. drive seat; 17. limit groove; 18. shift block; 19. positioning rod; 20. storage groove. DETAILED DESCRIPTION

[0033] 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.

[0034] See also Figure 1-Figure 3 The utility model provides a technical solution: a measuring device for NdFeB magnetic sheets, comprising a host 1, one side of the host 1 is connected to a wire 2, the other end of the wire 2 is connected to a coil core 3, the inside of the coil core 3 is fixedly connected to a fixed shaft 4, the upper end of the fixed shaft 4 is connected to a support seat 5, the inside of the support seat 5 is provided with a support plate 7, and the inside of the support plate 7 is provided with a rotation adjustment component;

[0035] The outer surface of the fixed shaft 4 is connected with a positioning assembly, which includes an annular seat 12 , a driving seat 16 and a positioning rod 19 .

[0036] It is worth mentioning that: the angle of the measurement position of the NdFeB magnetic sheet placed on the upper surface of the support plate 7 can be adjusted by rotating the adjustment component, so as to measure the magnetic properties of the irregular NdFeB magnetic sheet in multiple directions, and the NdFeB magnetic sheet can be positioned by the positioning component so that the NdFeB magnetic sheet is placed in the center position for measurement.

[0037] See also Figure 4 The outer surface of the fixed shaft 4 is fixedly connected with a limiting plate 11, and the limiting plate 11 is a circular ring structure.

[0038] The function of the limiting plate 11 is that the limiting plate 11 can support and limit the annular seat 12 .

[0039] See also Figure 1-Figure 3 A receiving groove 20 is provided on the outer surface of the support seat 5, and the connection between the positioning rod 19 and the receiving groove 20 is a sliding connection.

[0040] It should be noted that the storage groove 20 can store the positioning rod 19, which not only facilitates reducing the space occupied by the positioning component, but also prevents the positioning component from affecting the magnetic property measurement of the NdFeB magnetic sheet.

[0041] See also Figure 1-Figure 3 and Figure 7-Figure 8The rotation adjustment component includes a spring 8 and a positioning shaft 9. The positioning shaft 9 forms a telescopic structure inside the support plate 7 through the spring 8. A positioning groove 6 is opened inside the support seat 5. A protrusion 10 is connected to the upper surface of the positioning shaft 9. The connection method between the positioning shaft 9 and the positioning groove 6 is a snap-fit ​​connection. The positioning grooves 6 are distributed at equal angles inside the support seat 5. The connection method between the support plate 7 and the support seat 5 is a rotating connection.

[0042] The principle of being able to adjust the angle of the measuring position is: after placing the NdFeB magnetic piece at the center position of the upper surface of the support plate 7, the staff can push the protrusion 10 to make the positioning shaft 9 slide toward the inside of the support plate 7, and then the positioning shaft 9 and the positioning groove 6 are separated from each other, thereby releasing the positioning of the support plate 7, and then rotating the support plate 7 can drive the NdFeB magnetic piece on its upper surface to adjust the angle of the measuring position. After the measuring position of the NdFeB magnetic piece is adjusted to the appropriate angle, the support plate 7 is positioned by the snap connection between the positioning shaft 9 and the positioning groove 6.

[0043] See also Figure 1-Figure 6 A slide groove 13 is provided inside the annular seat 12, a slider 14 is connected inside the slide groove 13, a positioning rod 19 is fixedly connected to the end of the slider 14, a limiting block 15 is fixedly connected to the upper surface of the slider 14, a limiting groove 17 is provided inside the driving seat 16, the limiting block 15 and the limiting groove 17 are connected to each other, a shift block 18 is fixedly connected to the outer surface of the driving seat 16, and the shift block 18 is symmetrically distributed about the longitudinal center line of the driving seat 16.

[0044] The principle of center positioning of the NdFeB magnetic sheet is as follows: after the staff places the NdFeB magnetic sheet on the upper surface of the support plate 7, the staff first drives the drive seat 16 to rotate through the shift block 18. During the rotation, the drive seat 16 drives the limit block 15 to move, so that the limit block 15 drives the slider 14 and the positioning rod 19 to move in a straight line. When the positioning rod 19 slides out from the storage groove 20, the drive seat 16 is pulled upward so that the positioning rod 19 is located on the upper surface of the support plate 7, and then the drive seat 16 is rotated in the opposite direction. Similarly, the positioning rod 19 will slide toward the center of the support plate 7. The four positioning rods 19 jointly push the NdFeB magnetic sheet so that the NdFeB magnetic sheet is positioned at the center position of the upper surface of the support plate 7. After positioning is completed, the above operation is repeated to store the positioning rod 19 into the storage groove 20.

[0045] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A measuring device for NdFeB magnetic sheets, comprising a host (1), characterized in that: One side of the host (1) is connected to an electric wire (2), the other end of the electric wire (2) is connected to a coil core (3), the interior of the coil core (3) is fixedly connected to a fixed shaft (4), the upper end of the fixed shaft (4) is connected to a support seat (5), a support plate (7) is arranged inside the support seat (5), and a rotation adjustment component is arranged inside the support plate (7); The outer surface of the fixed shaft (4) is connected to a positioning assembly, which comprises an annular seat (12), a driving seat (16) and a positioning rod (19).

2. The measuring device for NdFeB magnetic sheet according to claim 1, characterized in that: The outer surface of the fixed shaft (4) is fixedly connected to a limiting plate (11), and the limiting plate (11) is a circular ring structure.

3. The measuring device for NdFeB magnetic sheet according to claim 1, characterized in that: The outer surface of the support seat (5) is provided with a receiving groove (20), and the positioning rod (19) and the receiving groove (20) are connected in a sliding manner.

4. The measuring device for NdFeB magnetic sheet according to claim 1, characterized in that: The rotation adjustment assembly comprises a spring (8) and a positioning shaft (9); the positioning shaft (9) forms a telescopic structure inside the support plate (7) through the spring (8); a positioning groove (6) is provided inside the support seat (5); and a protrusion (10) is connected to the upper surface of the positioning shaft (9).

5. The measuring device for NdFeB magnetic sheet according to claim 4, characterized in that: The connection mode between the positioning shaft (9) and the positioning groove (6) is a snap-fit ​​connection, the positioning grooves (6) are distributed at equal angles inside the support seat (5), and the connection mode between the support plate (7) and the support seat (5) is a rotational connection.

6. The measuring device for NdFeB magnetic sheet according to claim 1, characterized in that: The annular seat (12) has a slide groove (13) formed inside, the slide groove (13) is connected to a slider (14) inside, the end of the slider (14) is fixedly connected to a positioning rod (19), the upper surface of the slider (14) is fixedly connected to a limiting block (15), the driving seat (16) has a limiting groove (17) formed inside, and the limiting block (15) and the limiting groove (17) are connected to each other.

7. The measuring device for NdFeB magnetic sheets according to claim 1, characterized in that: The outer surface of the driving seat (16) is fixedly connected with a shifting block (18), and the shifting blocks (18) are symmetrically distributed with respect to the longitudinal center line of the driving seat (16).

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