A method for manufacturing a star-shaped three-dimensional magnetic circuit core structure for power equipment
A technology for power equipment and manufacturing methods, which is applied in the manufacture of inductors/transformers/magnets, circuits, transformers/inductor cores, etc., can solve the problems of rough accuracy and low level, achieve high finished product efficiency, reduce manufacturing costs, and improve products. quality effect
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Embodiment 1
[0040] A method for manufacturing a star-shaped three-dimensional magnetic circuit core structure for electric equipment, comprising the following steps:
[0041] A. According to the thickness required by the design, the strip-shaped thin-plate magnetic-conductive material is wound by a winding machine, such as figure 1 the ring structure shown; the ring is then cut by a cutting machine in a cross-cut manner as Figure 2 to Figure 3 The two semi-circular rings shown have a ">"-shaped structure at their ends;
[0042] B. Take the thin plates of each semi-circular ring as a group of each piece or two pieces, according to the original position sequence, insert them in corresponding places such as Figure 23 or Figure 24 On the mold 2 with multi-layer and multi-level stepping staggered seams shown, the reconstruction is as follows Figure 4 The closed long circle shown; as Figure 23 and Figure 24 As shown, the mold 2 in the step B is "X"-shaped or trapezoidal, and its incl...
Embodiment 2
[0047] A method for manufacturing a star-shaped three-dimensional magnetic circuit core structure for electric equipment, comprising the following steps:
[0048] A. Wind the strip-shaped thin-plate magnetically conductive material into a ring structure through a winding machine according to the thickness required by the design, such as Figure 10 As shown, the ring is divided into upper and lower layers with the same number, thickness, and inner diameter and different heights, and a seam 4 is arranged in the middle, such as Figure 11 and 12 As shown, use a cutting machine to cut the two double-layered rings into four semi-circular rings with two knives at the mutually symmetrical parts of the ring in an oblique cutting manner. The cutting surface is an inclined plane, and then the joint 4 upper The two semi-circular rings of the lower layer and the two semi-circular rings of the lower layer are inserted in the mold 2 with multi-level stepping staggered seams correspondingly...
Embodiment 3
[0054] A method for manufacturing a star-shaped three-dimensional magnetic circuit core structure for electric equipment, comprising the following steps:
[0055] A. Use a strip-shaped thin plate magnetic material to cut into the required size and quantity, such as Figure 19 or Figure 20 As shown in the strip-shaped hexagonal or strip-shaped isosceles trapezoidal core sheet, the angle b between one side of the core sheet and the center line of the core sheet is less than 60 degrees, and the angle c between the other side and the longitudinal center line greater than 60 degrees; the two acute angles d of the strip-shaped isosceles trapezoidal core pieces are both 60 degrees; the ends of adjacent core pieces are staggered and overlapped;
[0056] B. Stack the iron core sheets in step A in order of length with each sheet or every two sheets as a layer in a multi-layer step-by-step manner, and insert them in such as Figure 23 or Figure 24 On the mold 2 shown, form a closed ...
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