Transformer electrostatic ring wire bending tooling
A technology for electrostatic rings and transformers, which is applied in the field of transformer manufacturing, can solve the problems of inability to guarantee drawing requirements for dimensional accuracy, low production efficiency of transformer electrostatic rings, and high processing difficulty, etc., and achieve easy guarantee of dimensional accuracy, flat appearance, and high electrical performance. Effect
Inactive Publication Date: 2011-12-07
CHINESE ELECTRICAL EQUIP GRP CO LTD
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Problems solved by technology
[0003] The utility model provides a transformer electrostatic ring lead bending tool, which solves the problems of low production efficiency of the transformer electrostatic ring, high processing difficulty, uneven surface, and dimensional accuracy that cannot meet the requirements of drawings, and at the same time avoids scratching the copper busbar during the production process. No sharp corners, safer electrical performance
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[0022] Below in conjunction with accompanying drawing, the utility model is described in further detail.
[0023] figure 1 It is the front view of the bending of the electrostatic ring wire of the transformer of the utility model, figure 2 It is a side view of the bending of the electrostatic ring wire of the utility model transformer, Figure 4 It is a schematic cross-sectional view of the structure of the rotating disk of the transformer static ring wire bending tooling of the utility model, as shown in figure 1 , figure 2 , Figure 4 As shown, the rotating disk 4 is mounted on the bracket 3 through a shaft, and a groove suitable for the thickness of the flat copper wire is opened in the middle part of the outer peripheral surface of the rotating disk 4 in the axial direction, which is generally 0.3 to 0.5 mm thicker than the thickness of the copper wire. The pressing wheel 2 can press or leave the wire (flat copper strip) put into the axial groove of the rotating disk...
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The invention provides a transformer electrostatic ring lead bending tool, which belongs to the technical field of transformer manufacturing. The tooling includes a pressing wheel, a bracket, a rotating disc respectively installed on the bracket, and a pressing mechanism for adjusting the radial gap between the pressing wheel and the rotating disc. The pressing wheel is connected to the pressing mechanism. The outer peripheral surface of the rotating disk is provided with a circumferential groove, the width of the circumferential groove is adapted to the thickness of the transformer static ring wire, the pressing wheel is placed outside the outer peripheral surface of the rotating disk, and the axis of the pressing wheel and the rotating disk The axes are parallel to each other. The invention changes manual production into tooling guarantee, creates a brand new production method for static ring production, changes manual production into tooling production, improves work efficiency, reduces technical content of operation, and is easy to learn and operate; the shape of the copper bus bar is formed by pressing and bending Smooth and beautiful, easy to guarantee dimensional accuracy, no scratches or sharp corners on the surface of the copper busbar, higher electrical performance; small size, flexible movement.
Description
technical field [0001] The utility model relates to a tool for bending an electrostatic ring wire of a transformer, which belongs to the technical field of transformer manufacturing. Background technique [0002] The traditional transformer electrostatic ring wire bending is made by hand. The copper busbar is beaten with wood or iron on the platform, so that the copper busbar is plastically deformed to produce bending. After plastic deformation, it is wrapped with the skeleton. Manual production is labor-intensive, time-consuming, inefficient, and the radius of curvature cannot be guaranteed. It requires high skills for operators. At the same time, it is easy to damage the copper busbar itself by continuously beating the copper busbar during the production process, causing sharp corners or surface scratches. Electrostatic ring discharge breakdown. Secondly, the copper bus bar is plastically deformed when it is knocked. The copper bus bar deforms in the thickness direction, a...
Claims
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IPC IPC(8): H01F27/34H01F41/00B21D7/00
Inventor 张永华
Owner CHINESE ELECTRICAL EQUIP GRP CO LTD