Glue failure inspection tool for neodymium-iron-boron magnetic assembly

Abstract

The utility model discloses a glue failure inspection tool for a neodymium iron boron magnetic assembly. The glue failure inspection tool comprises an air cylinder, a thrust pen body, a thrust pen point, a spring, a jig plate, a supporting plate and a light-emitting plate, an output rod of the air cylinder is fixedly connected with the thrust pen body; a cavity is formed in the thrust pen body; one end of the thrust pen point is located outside the thrust pen body, and the other end of the thrust pen point extends into the lower portion of the cavity and is in sliding connection with the thrust pen body. One end of the spring abuts against the upper portion of the cavity, and the other end of the spring abuts against the other end of the thrust pen point. The jig plate is arranged in front of the thrust pen point, the jig plate is provided with a pen point guide groove, the thrust pen point reciprocates in the pen point guide groove, the jig plate is provided with an object placing groove, the object placing groove is communicated with the pen point guide groove, the object placing groove is used for limiting the magnetic assembly, and the thrust pen point pushes and presses a caulking seam of the magnetic assembly when moving towards the object placing groove; the supporting plate is arranged below the jig plate; the light-emitting plate is arranged between the jig plate and the supporting plate, and the light-emitting plate identifies the caulking of the magnetic assembly. And whether the magnetic assembly is unglued can be accurately detected.

Description

Technical Field

[0001] The utility model relates to the technical field of magnetic component inspection, in particular to the technical field of magnetic component debonding inspection. Background Art

[0002] NdFeB magnetic assemblies are made of several magnets bonded to iron parts. There are gaps between the bonding surfaces, which are prone to debonding during daily use. In order to ensure the quality of the magnetic assemblies, it is necessary to conduct a debonding inspection on the magnetic assemblies.

[0003] The traditional inspection method is manual inspection, where workers use their hands to check whether the magnetic components are debonded. Manual inspection has limitations, as it is impossible to use a fixed force value when manually bending the magnetic components. This leads to two possible situations during the inspection process: one is that the force is insufficient and the potential debonding problem cannot be effectively identified; the other is that the force is too great, causing damage to the qualified magnetic components, which is the "overkill" phenomenon, thereby reducing the yield rate of the magnetic components and increasing production costs.

[0004] To this end, the applicant intends to propose a NdFeB magnetic component debonding inspection tool to solve the above problem. Utility Model Content

[0005] The purpose of the utility model is to provide a NdFeB magnetic component debonding inspection tool, which can detect whether the magnetic component to be tested is debonding, output a fixed thrust to the caulking joint of the magnetic component that is prone to debonding, ensure the accuracy of the inspection result, and avoid the situation of inadequate detection.

[0006] To achieve the above purpose, the solution of the utility model is: a NdFeB magnetic component debonding inspection tool, including a cylinder, a thrust pen body, a thrust pen head, a spring, a fixture plate, a support plate and a light-emitting plate;

[0007] A cylinder, wherein an output rod of the cylinder is fixedly connected to the thrust pen body;

[0008] A thrust pen body, wherein a cavity is provided inside the thrust pen body; a thrust pen tip, wherein one end of the thrust pen tip is located outside the thrust pen body, and the other end of the thrust pen tip extends into the lower part of the cavity and is slidably connected to the thrust pen body;

[0009] A spring, wherein the spring is disposed in the cavity, one end of the spring abuts against the upper portion of the cavity, and the other end of the spring abuts against the other end of the thrust pen tip;

[0010] A jig plate, wherein the jig plate is arranged in front of the thrust pen tip, the jig plate is provided with a pen tip guide groove, the thrust pen tip reciprocates in the pen tip guide groove, the jig plate is provided with a storage groove, the storage groove is connected with the pen tip guide groove, the storage groove is used to limit the magnetic component, the thrust pen tip and the caulking of the magnetic component are located on the same axis, and the thrust pen tip pushes the caulking of the magnetic component when it moves in the direction of the storage groove;

[0011] A support plate, which is arranged below the jig plate and is used to support the jig plate and the magnetic component;

[0012] A light-emitting plate, which is arranged between the jig plate and the support plate and is used to identify the caulking of the magnetic component.

[0013] Furthermore, the other end of the thrust pen tip is provided with an outward flange, and the other end of the spring abuts against the outward flange.

[0014] Furthermore, the cavity is provided with an inward flange. When the thrust pen tip slides into the cavity and outputs a fixed thrust to the magnetic component, the outward flange of the thrust pen tip abuts against the inward flange of the cavity.

[0015] Furthermore, the cavity is a cylinder, and the inner diameter of the cylindrical cavity is greater than or equal to the outer diameter of the spring.

[0016] Furthermore, the width of the thrust pen tip is greater than the width of the caulking and less than the width of two magnets.

[0017] Furthermore, the jig plate includes a first jig plate and a second jig plate. The first jig plate is provided with a pen tip guiding groove and a lateral limiting groove, and the lateral limiting groove is used for laterally limiting the magnetic component. The second jig plate is provided with a placement groove, and the placement groove is used for longitudinally limiting the magnetic component.

[0018] Furthermore, a limiting plate is arranged above the thrust pen tip, and the limiting plate is used for limiting the vertical movement of the thrust pen tip.

[0019] Furthermore, the thrust pen body is a cuboid, and the bottom surface of the thrust pen is fixedly connected to the output rod of the air cylinder.

[0020] Furthermore, the top of the support plate is provided with a groove matching the light-emitting plate, and the light-emitting plate is embedded in the groove.

[0021] After adopting the above scheme, the beneficial effects of the present utility model are as follows: The magnetic component is placed in the jig plate and on the light-emitting plate. The light source of the light-emitting plate passes through the caulking of the magnetic component, and the worker can accurately judge the position of the caulking. Then the thrust pen tip outputs a set fixed thrust, which acts on the caulking of the magnetic component. It can not only effectively identify potential unsealing problems but also avoid damaging qualified magnetic components, increasing the qualified rate of magnetic components and reducing production costs. Description of the Drawings

[0022] Figure 1 It is a schematic structural diagram of Embodiment 1 of the present utility model;

[0023] Figure 2 It is a schematic cross-sectional structural diagram of Embodiment 1 of the present utility model;

[0024] Figure 3Schematic diagram of the second embodiment of the present utility model;

[0025] Figure 4 Schematic diagram of another perspective of the second embodiment of the present utility model;

[0026] Figure 5 Schematic diagram of the third embodiment of the present utility model;

[0027] Figure 6 Schematic diagram of a structure of a thrust pen body and a thrust pen tip in an embodiment;

[0028] Figure 7 Schematic diagram of the structure of the magnetic component.

[0029] Label description:

[0030] 1. Cylinder; 11. Output rod;

[0031] 2. Thrust pen body; 21. Cavity; 22. Inner flange;

[0032] 3. Thrust pen tip; 31. Outer flange;

[0033] 4. Spring;

[0034] 5. Fixture plate; 51. Pen tip guide groove; 52. Placing groove; 53. First fixture plate; 54. Second fixture plate; 55. Lateral limiting groove;

[0035] 6. Support plate; 61. Groove; 7. Light-emitting plate; 8. Limiting plate; 9. Magnetic component; 91. Embedding seam. Detailed implementation manners

[0036] The following describes the present utility model in detail with reference to the accompanying drawings and specific embodiments. The embodiments described below are only a part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts belong to the scope of protection of the present utility model.

[0037] Mainly referring to Figure 1 、 Figure 3 and Figure 6 , a glue opening inspection tool for a neodymium iron boron magnetic component 9, including a cylinder 1, a thrust pen body 2, a thrust pen tip 3, a spring 4, a fixture plate 5, a support plate 6 and a light-emitting plate 7; the cylinder 1, the output rod 11 of the cylinder 1 is fixedly connected to the thrust pen body 2; the output force value of the cylinder 1 is set to a fixed force value for inspecting the glue opening of the magnetic component 9, and this output force value can be adjusted according to the fixed force value for inspecting the glue opening of the magnetic component 9 to be measured. Preferably, the cylinder 1 is used as the output end because the cylinder 1 moves under the action of compressed air or gas, can stably output power, reduce fluctuations and impacts, and is very suitable for the scenario of pushing the embedding seam 91 of the magnetic component 9.

[0038] Main reference Figure 5 and Figure 6 , a cavity 21 is provided inside the thrust pen body 2. One end of the thrust pen tip 3 is located outside the thrust pen body 2, and the other end of the thrust pen tip 3 extends into the lower part of the cavity 21 and is slidably connected to the thrust pen body 2. A spring 4 is arranged in the cavity 21. One end of the spring 4 abuts against the upper part of the cavity 21, and the other end of the spring 4 abuts against the other end of the thrust pen tip 3; the magnetic component 9 is a precision component. When pressing the slot 91 of the magnetic component 9, rigid pressing should be avoided, as rigid pressing is likely to damage the magnetic component 9. A spring 4 is provided between the thrust pen body 2 and the thrust pen tip 3. The spring 4 releases the thrust output when the cylinder 1 drives the thrust pen body 2 to move, so that the thrust pen tip 3 slowly applies a thrust to the slot 91 of the magnetic component 9, which not only avoids damaging the magnetic component 9 due to rigid pressing but also ensures that a fixed force value for detecting delamination is output to the slot 91 of the magnetic component 9.

[0039] Main reference Figure 5 , the jig plate 5 is arranged in front of the thrust pen tip 3. The jig plate 5 is provided with a pen tip guiding groove 51, and the thrust pen tip 3 reciprocates in the pen tip guiding groove 51. The jig plate 5 is provided with a placement groove 52, and the placement groove 52 communicates with the pen tip guiding groove 51. The placement groove 52 is used to limit the magnetic component 9. The slot 91 of the thrust pen tip 3 and the magnetic component 9 is on the same axis. When the thrust pen tip 3 moves towards the placement groove 52, it presses the slot 91 of the magnetic component 9; the slot 91 of the thrust pen tip 3 is aligned with the slot 91 of the magnetic component 9, and the thrust pen tip 3 can apply a fixed thrust to the slot 91 to detect whether there is a risk of delamination in the magnetic component 9.

[0040] Main reference Figure 2 and Figure 5 , the support plate 6 is arranged below the jig plate 5, and the support plate 6 is used to support the jig plate 5 and the magnetic component 9; the light-emitting plate 7 is arranged between the jig plate 5 and the support plate 6, and the light-emitting plate 7 is used to identify the slot 91 of the magnetic component 9; the magnetic component 9 is placed in the placement groove 52 of the jig plate 5. The light-emitting plate 7 below the jig plate 5 shines on the magnetic component 9 in the placement groove 52, and the light of the light-emitting plate 7 passes through the slot 91 of the magnetic component 9, enabling the worker to accurately identify the slot 91 of the magnetic component 9 and enabling the thrust pen tip 3 to accurately apply a fixed thrust to the slot 91.

[0041] Such as Figure 6As shown, the other end of the thrust pen tip 3 is provided with an outer flange 31, and the other end of the spring 4 abuts against the outer flange 31. The spring 4 abutting against the outer flange 31 makes the positioning of the spring 4 more accurate, and the spring 4 will not shift in the cavity 21 during the movement of the thrust pen tip 3. The cavity 21 is provided with an inner flange 22. When the thrust pen tip 3 slides to the inside of the cavity 21 and outputs a fixed thrust to the magnetic assembly 9, the outer flange 31 of the thrust pen tip 3 abuts against the inner flange 22 of the cavity 21. The distance that the thrust pen tip 3 slides to abut against the inner flange 22 is the compressed distance of the spring 4. In actual production, different models of springs 4 can be selected so that a fixed thrust can be obtained when the thrust pen tip 3 compresses the spring 4.

[0042] As Figure 6 shown, the cavity 21 is a cylinder, and the inner diameter of the cylindrical cavity 21 is greater than or equal to the outer diameter of the spring 4. The shape of the cavity 21 is adapted to the shape of the spring 4, further restricting the position of the spring 4 and preventing the spring 4 from shifting in the cavity 21 during the movement of the thrust pen tip 3.

[0043] Mainly referring to Figure 5 , the width of the thrust pen tip 3 is greater than the width of the slot 91, and the width of the thrust pen tip 3 is less than the width of the two magnets. At this time, the thrust pen tip 3 can act on the slot 91 accurately.

[0044] As Figure 5 shown, another embodiment of the jig plate 5, the jig plate 5 includes a first jig plate 53 and a second jig plate 54. The first jig plate 53 is provided with a pen tip guide groove 51 and a lateral limiting groove 55 for laterally limiting the magnetic assembly 9, and the second jig plate 54 is provided with a storage groove 52 for longitudinally limiting the magnetic assembly 9.

[0045] As Figure 1 and Figure 2 shown, a limiting plate 8 is provided above the thrust pen tip 3, and the limiting plate 8 is used to limit the vertical movement of the thrust pen tip 3. The thrust pen may shake during movement, and the limiting plate 8 restricts the vertical shaking of the thrust pen.

[0046] Mainly referring to Figure 1 , the thrust pen body 2 is a cuboid, and the bottom surface of the thrust pen is fixedly connected to the output rod 11 of the cylinder 1. The thrust pen body 2 is preferably a cuboid, which increases the contact area with the output rod 11, enabling the thrust pen body 2 to be more firmly fixed to the output rod 11.

[0047] Mainly referring to Figure 2 , a groove 61 matching the light-emitting plate 7 is provided at the top of the support plate 6, and the light-emitting plate 7 is embedded in the groove 61. The stability of the light-emitting plate 7 is better, avoiding displacement of the light-emitting plate 7 caused by shaking during the startup of the tooling.

[0048] In the description of the present utility model, when a component is considered to be "connected" to another component, it may be directly connected to the other component or there may be intermediate components present simultaneously.

[0049] In the description of the present utility model, the orientations such as up, down, left, right, front, and back involved are only for reference of an orientation and do not represent the orientation in actual use.

[0050] The terms "first" and "second" involved in this embodiment are only for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0051] The above is only the preferred embodiment of the present utility model and does not limit the design of this case. All equivalent changes made according to the key design of this case fall within the protection scope of this case.

Claims

1. A glue opening inspection tooling for NdFeB magnetic components, characterized in that: It includes a cylinder, a thrust pen body, a thrust pen tip, a spring, a jig plate, a support plate and a light-emitting plate; Cylinder, the output rod of the cylinder is fixedly connected to the thrust pen body; Thrust pen body, there is a cavity inside the thrust pen body; Thrust pen tip, one end of the thrust pen tip is located outside the thrust pen body, and the other end of the thrust pen tip extends into the lower part of the cavity and is slidably connected to the thrust pen body; Spring, the spring is arranged in the cavity, one end of the spring abuts against the upper part of the cavity, and the other end of the spring abuts against the other end of the thrust pen tip; Jig plate, the jig plate is arranged in front of the thrust pen tip, the jig plate is provided with a pen tip guide groove, the thrust pen tip reciprocates in the pen tip guide groove, the jig plate is provided with a placement groove, the placement groove is communicated with the pen tip guide groove, the placement groove is used for limiting the magnetic assembly, the seam between the thrust pen tip and the magnetic assembly is on the same axis, and when the thrust pen tip moves towards the placement groove, it presses the seam of the magnetic assembly; Support plate, the support plate is arranged below the jig plate, and the support plate is used for supporting the jig plate and the magnetic assembly; Light-emitting plate, the light-emitting plate is arranged between the jig plate and the support plate, and the light-emitting plate is used for identifying the seam of the magnetic assembly.

2. The glue opening inspection tooling for a neodymium iron boron magnetic component according to claim 1, wherein: The other end of the thrust pen tip is provided with a flange, and the other end of the spring abuts against the flange.

3. The glue-opening inspection tooling for a neodymium iron boron magnetic component according to claim 2, wherein: The cavity is provided with an inner flange. When the thrust pen tip slides into the cavity and outputs a fixed thrust to the magnetic assembly, the flange of the thrust pen tip abuts against the inner flange of the cavity.

4. The glue opening inspection tooling for a neodymium iron boron magnetic component according to claim 1, wherein: The cavity is a cylinder, and the inner diameter of the cylindrical cavity is greater than or equal to the outer diameter of the spring.

5. The glue opening inspection tooling for a neodymium iron boron magnetic component according to claim 1, characterized in that: The width of the thrust pen tip is greater than the width of the seam and less than the width of two magnets.

6. The glue opening inspection tooling for a neodymium iron boron magnetic component according to claim 1, wherein: The jig plate includes a first jig plate and a second jig plate. The first jig plate is provided with a pen tip guide groove and a lateral limiting groove for laterally limiting the magnetic assembly. The second jig plate is provided with a placement groove for longitudinally limiting the magnetic assembly.

7. The glue opening inspection tooling for a neodymium iron boron magnetic component according to claim 1, characterized in that: A limiting plate is arranged above the thrust pen tip, and the limiting plate is used for limiting the vertical movement of the thrust pen tip.

8. The glue opening inspection tooling for a neodymium iron boron magnetic component according to claim 1, wherein: The thrust pen body is a cuboid, and the bottom surface of the thrust pen is fixedly connected to the output rod of the cylinder.

9. The glue opening inspection tooling for a neodymium iron boron magnetic component according to claim 1, characterized in that: The top of the support plate is provided with a groove matching the light-emitting plate, and the light-emitting plate is embedded in the groove.

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