Three-dimensional winding forming device for amorphous strips of amorphous three-dimensional wound core transformer

Abstract

The invention discloses a three-dimensional winding forming device for amorphous strips of an amorphous three-dimensional wound core transformer, and relates to the technical field of production and processing of amorphous strips. An adaptive transmission material storage unit can place the amorphous strips discharged by a discharging unit freely without constraint, the strips are avoided from break due to failure in high-frequency rapid discharging speed conversion of the discharging unit when a constant-tension relaxation control unit rapidly switches the spatial position of the wound stripsin the winding state of a three-dimensional winding unit, the constant-tension relaxation control unit can ensure that the conveying speed of the strips and the tangential strip winding angle are kept stable in the process that the amorphous strips are wound in a three-dimensional way in a rectangular single-frame inner tyre, and inconsistent fitting between layers of the strips or even crack ofthe strips due to non-uniform bearing of the wound strips when the winding speed and angle are changed is also avoided. An axial movement mechanism of the three-dimensional winding unit drives a driving rotation mechanism and a driven support mechanism to move synchronously and further to ensure stable three-dimensional winding of the amorphous strips.

Description

technical field [0001] The invention relates to the technical field of production and processing of amorphous strips, in particular to a three-dimensional winding forming device for amorphous alloy three-dimensional wound core transformer amorphous strips. Background technique [0002] Amorphous alloy materials have excellent physical properties such as high efficiency, low loss, and high magnetic permeability, which promotes the development of electronic components in the direction of high frequency, high efficiency, energy saving, and miniaturization, and realizes partial replacement of traditional silicon steel, permalloy and other materials. Especially in the electric power technology, the three-dimensional wound iron core distribution transformer made by winding the amorphous alloy strip has the advantages of high strength, three-phase balance, uniform temperature rise, short-circuit resistance, low noise, material saving and small magnetic flux leakage. The characteris...

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Problems solved by technology

The traditional ordinary strip winding method can be completed simply by driving the strip with the coil equipment because of the high strength of the processed material, without considering the force of the strip, but the amorphous alloy material is brittle and very thin. The winding method is easy to cause the uneven force on the strip in which the inner layer of the strip is tightly bonded and the tension of the outer layer of the strip gradually decreases, especially when the tape is slightly stuck during the layer-by-layer winding process on the single-frame inner tube. The sudden increase of the tension caused the strip to break, and the uneven force on the strip and the fracture of the strip during the winding process directly affect the production efficiency and end-use performance of the three-dimensional wound core transformer

At present, there is a lack of a constant tension three-dimensional winding process for amorphous strips. A high-precision, stable and fast constant tension three-dimensional winding equipment for amorphous strips has been developed.

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