A buckle-type magnetic core structure and assembly method thereof
An assembly method and snap-in technology, applied in the direction of magnetic core manufacturing, transformer/inductor magnetic core, transformer/inductor components, etc., can solve the problem of smaller contact cross-sectional area, inclined magnetic core assembly, and low production efficiency and other problems, to achieve the effect of increased inductance, improved assembly accuracy, and low cost
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Embodiment 1
[0029] Embodiment 1: as Figure 1-Figure 5 As shown, a buckle-type magnetic core structure includes two docked magnetic cores 1 and 2. The butt contact surface of magnetic core 1 is provided with a positioning groove 3, and the butt contact surface of magnetic core 2 is provided with a convex The platform 4 and the boss 4 are embedded in the positioning groove 3, and two positioning grooves 3 and the boss 4 are respectively provided to form two pairs of positioning grooves 3 and the boss 4. A pair of magnetic core one 1 and magnetic core two 2 are respectively arranged, the boss 4 adopts a cylindrical boss, the positioning groove 3 adopts a blind hole, the height of the boss 4 is less than the depth of the positioning groove 3, and its cross-sectional diameter is the magnetic core one 1 Or two-thirds of the cross-sectional width of the magnetic column on the magnetic core 2, the height of the boss 4 is 6-8 mm, and the depth of the positioning groove 3 is the height of the boss...
Embodiment 2
[0031] Embodiment 2: as Figure 1-Figure 5 As shown, a snap-on magnetic core structure assembly method, the method includes the following steps:
[0032] (1) The two outer connecting ends of the magnetic core 1 are respectively processed into cylindrical bosses and cylindrical positioning grooves. The perpendicularity of the axis of the bosses to the connecting end surface is 0.02, and the roughness of the outer cylindrical surface is 0.08. The cylindricity is 0.03, the height of the boss is 6~8mm, the perpendicularity of the positioning groove relative to the end surface of the first connection end of the magnetic core is 0.02, the roughness of the inner wall of the groove is 0.08, and the depth of the positioning groove is the height of the upper boss of the second core + 0.3~0.8mm;
[0033] (2) Process the two outer connection ends of the magnetic core two into cylindrical bosses and cylindrical positioning grooves respectively, which correspond to the positioning grooves ...
Embodiment 3
[0035] Embodiment 3: as Figure 1-Figure 5 As shown, the above-mentioned pneumatic pressing device includes a magnetic core positioning seat 5, an air cylinder 6 and a square frame-shaped support 7. The magnetic core positioning seat 5 is provided with a magnetic core positioning groove 8 with the same shape on the end face of the magnetic core, and is fixedly connected to the frame-shaped On the middle part of the bottom side of the support 7, the upper middle part of the frame-shaped support 7 is fixedly equipped with a cylinder 6, the cylinder rod 9 of the cylinder 6 is facing the center of the positioning groove 8 of the magnetic core, and its end is fixedly connected with the limit pressure plate 10. A limiting U-shaped groove 13 for limiting the magnetic core is arranged on the lower side of the limiting pressing plate 10 .
[0036]Preferably, the above-mentioned magnetic core positioning seat 5 is positioned on the frame-shaped support 7 through the positioning pin 11, ...
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