A transformer winding mold

Abstract

The invention discloses a transformer winding die. The transformer winding die comprises a basic die, wherein the basic die consists of an upper die and a lower die which are matched mutually; the transformer winding die also comprises an expansion plate; and the expansion plate is arranged on the basic plane of the upper die and / or the lower die. By additionally providing the expansion plate, adaptivity of the die to windows of different specifications can be realized, a phenomenon of waste of dies is effectively solved, and the production cost of an enterprise is lowered.

Description

technical field [0001] The invention relates to a mold, in particular to a transformer winding mold. Background technique [0002] Transformer winding molds generally use wooden molds, but due to their poor strength, wooden molds are easily cracked and scrapped after a long period of knocking, so the use of metal molds is gradually increasing. Due to its particularity, the wire package of a large-capacity transformer: (1. The window size is large, no matter what form of hard frame is used, the cost is lower than that of the paper frame; 2. It is easy to change the window size frequently according to the customer's external size requirements, resulting in the wire package frame It is not possible to use the plastic skeleton in the form of standard parts and use the paper skeleton for production), so insulating paper has been used as the skeleton of the large-capacity transformer, and the size of the skeleton window is controlled by the corresponding mold. Due to the large we...

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Problems solved by technology

[0003] In order to overcome the deficiencies of the prior art, the purpose of the present invention is to provide a transformer winding die, which realizes the adaptability of the die to windows of different specifications by adding expansion boards, effectively solves the phenomenon of die waste, and reduces the production cost

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