The structure of the silicon steel sheet of the iron core of the welding machine transformer and its continuous stamping and automatic stacking method
A technology of transformer iron core and silicon steel sheet, applied in transformer/inductor magnetic core, transformer/inductor components, inductor/transformer/magnet manufacturing, etc., can solve the problem of low cost, low utilization rate of silicon steel sheet, and large waste of materials and other issues, to achieve the effect of high speed and efficiency, increased market competition, and low manufacturing costs
Active Publication Date: 2016-02-10
ZHEJIANG KENDE MECHANICAL & ELECTRICAL
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Problems solved by technology
However, there are still problems of low utilization rate of silicon steel sheet, large material waste and high cost
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[0025] like Figure 1-2As shown, a welding machine transformer iron core silicon steel sheet structure, including E-type sheet and reverse E-type sheet, each E-type sheet and reverse E-type sheet includes upper yoke 1, middle yoke 2, lower yoke 3 and side Yoke 4, the height of the upper yoke 1 and the lower yoke 3 is half of the distance between the upper yoke 1 and the middle yoke 2 or the distance between the lower yoke 3 and the middle yoke 2. The opposite edges of the upper yoke and the lower yoke are provided with buckling parts 5 that can cooperate with each other, such as image 3 As shown, the E-shaped sheet and the reverse E-shaped sheet can be spliced through the fastening part 5 to form a double "mouth"-shaped sheet; a flange 6 or a groove is also provided on the rib of the E-shaped sheet and the reverse E-shaped side yoke 4 7. When several E-type pieces and reverse E-type pieces are plugged together and combined together, the fastening parts of the upper and low...
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The invention provides a structure and a continuous stamping and automatic overlapping and assembling method of silicon steel sheets of a transformer iron core of a welding machine. During a high-speed continuous stamping process of strip-shaped raw materials of the silicon steel sheets, two silicon steel sheets are simultaneously stamped in each time, and the silicon steel sheets which are stamped in each time can be automatically overlapped together with silicon steel sheets which are already stamped, and the silicon steel sheets can exit until certain thickness is achieved. The automatic overlapping of the silicon steel sheets is realized as multiple bulges are designed on the surfaces of the silicon steel sheets and the pressure action during the stamping process is utilized at the same time, steel sheet iron cores which are subjected to high-speed stamping and overlapped together can exit from a die when the certain thickness is achieved, the continuous stamping and automatic overlapping and assembling method aims at realizing the automatic overlapping of processed silicon steel sheets, and thus a manual sheet overlapping mode in a general processing method can be omitted. The structure and the continuous stamping and automatic overlapping and assembling method, which are disclosed by the invention, have the characteristic of efficient and quick processing, and the production cost of parts is reduced.
Description
technical field [0001] The invention belongs to the technical field of electric welding machine manufacturing, and in particular relates to the structure of the iron core silicon steel sheet of the electric welding machine transformer and the continuous punching and automatic stacking method. Background technique [0002] At present, in the field of electric welding machine technology, many products have adopted welding or cutting transformers composed of silicon steel sheet iron cores. Of course, some welding machines also have output reactors, balance reactors, and control (power) transformers. These parts or components all involve the structural design and processing of the silicon steel sheet iron core. Different components, the design of their silicon steel sheet iron core, are very different. It depends on the technology and processing level of each manufacturer. Different technologies and processing levels, silicon steel sheet processing methods, raw material utili...
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IPC IPC(8): H01F27/26H01F27/245H01F41/02B23P19/00
Inventor 朱宣东汪志金魏继昆朱宣辉陈法庆
Owner ZHEJIANG KENDE MECHANICAL & ELECTRICAL