Cutting method of wound core and its cutting tool

Abstract

The invention discloses a cutting method of a rolling iron core and a cutting tool of the rolling iron core. The method comprises the steps of at least arranging a hanging hook on each frame of a single iron core frame of the rolling iron core, fixing the hanging hooks and the frames in a binding mode through binding straps, horizontally placing the iron core frame of the rolling iron core on a working table of a sawing machine through lifting of the hanging hooks, adopting two supporting tools to carry out support between the cut frames on two opposite sides, enabling the supporting tools to be located on two sides of a cutting plane, tightly clamping the positions of the cut frames through a fixture on the sawing machine, and adopting a denticle band saw blade to cut. The cutting method of the rolling iron core and the cutting tool of the rolling iron core solve the problems that an existing line adopting cutting way is low in efficiency and production requirements cannot be satisfied, overcome the problems that the iron core frame is low in strength, cannot be tightly clamped and is prone to deformation in a cutting process, and have the advantages of being high in efficiency and good in product quality.

Description

technical field [0001] The invention relates to a cutting method of a rolled iron core, belonging to the technical field of transformer and reactor iron core manufacturing. Background technique [0002] The iron cores of existing transformers and reactors are generally planar laminated structures. Because of the existence of many joints, they lead to high losses, large excitation currents and large noises. Therefore, people pay less and more attention to them. The wound core is a new type of transformer core product, which is improved from the original stacked core to a wound ring structure. Since the thickness of the silicon steel sheet is 0.35-0.5mm thinner, there will be problems such as edge curling and tooth punching during cold cutting. In the prior art, the cutting method of coiled iron core is generally electric fusion wire cutting. The processing method of wire cutting has the advantages of high precision and smooth cross section, but the processing efficiency is e...

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problem that the existing winding core processing method is inefficient and cannot meet the production demand

[0005] Therefore, the object of the present invention is to solve the problems that misalignment and deformation easily occur between the layers of the iron core frame when cutting with a horizontal band sawing machine, and the overall strength of the iron core frame is low, easy to deform, and cannot be clamped

Images