Transformer lead manufacturing tool

Abstract

The invention discloses a transformer lead manufacturing tool. The transformer lead manufacturing tool comprises a base, a handle bracket, a stationary roller, a movable roller and an adjusting screw, wherein circular-arc-shaped grooves are formed in roller surfaces of the stationary roller and the movable roller; the stationary roller is fixed on the base; the front end of the handle bracket is movably connected with the center of the stationary roller through a shaft; an axial adjusting elongated hole is formed in the middle of the handle bracket; the movable roller is arranged on the adjusting elongated hole through a fixing bracket; the adjusting screw is arranged at the tail end of the handle bracket; the front end of the adjusting screw faces the movable roller; the movable roller is close to or far away from the stationary roller in the rotating process of the adjusting screw by matched connection of the fixing bracket and the adjusting screw; and a positioning pin which is used for limiting a lead copper pipe into the circular-arc-shaped groove of the stationary roller is arranged on the base above the stationary roller. By matching the movable roller and the stationary roller, a lead can be well bent by reasonable adjustment. The transformer lead manufacturing tool is simple and reasonable in structure and high in generality.

Description

technical field [0001] The invention relates to a tool for making transformer leads, and relates to the application of making transformer copper tube leads. The tool adopts the cooperation of moving rollers and fixed rollers, and adjusts the screw to avoid dead bends, sharp bends or breakages when making leads. It makes it easier to bend the copper pipe lead wire, and the angle is more accurate, and the production is more labor-saving, and the bending flaw is avoided, and the structure is simple and beautiful. Background technique [0002] Most of the current dry-type power transformers, whether it is SC series or SG series, use D-shaped three-phase connection for high voltage. Since the current of high-voltage lead wires is relatively small, from the perspective of material saving and beautiful appearance, the lead wires must be considered in order to ensure the insulation distance. Strength, and considering the skin effect of high-voltage current, it is most reasonable to ...

AI Technical Summary

Problems solved by technology

[0002] Most of the current dry-type power transformers, whether it is SC series or SG series, use D-shaped three-phase connection for high voltage. Since the current of high-voltage lead wires is relatively small, from the perspective of material saving and beautiful appearance, the lead wires must be considered in order to ensure the insulation distance. Strength, and considering the skin effect of high-voltage current, it is most reasonable to choose copper tubes as high-voltage leads. However, when performing D-connection, there is no way to avoid the problem of crossover, so it is necessary to bend the high-voltage copper tube leads. There are no specific methods or tools for the traditional production of copper pipe leads. Most of them are made by simple tools operated by workers independently. The precision is not high, the angle is not accurate, and the quality assurance is poor.

[0003] The investment in higher-end automation equipment is huge, and it is only used for this point, and the gain outweighs the gain

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