Mold special for rotary lifting device body packet

Abstract

The invention relates to a mold special for a rotary lifting device body packet. The mold is characterized by consisting of a base, two insertion plates which are detachably arranged on the base, and an adjustable lifting and supporting structure, wherein the base comprises a side plate capable of accommodating a coil, two upper end plates which are symmetrically arranged at the upper end of the side plate and extend outwards, a bottom plate arranged at the lower end of the side plate, and a plurality of supporting legs which are fixedly arranged at the lower end of the bottom plate; four first positioning pins which correspond to four positioning holes of a fixing rack one by one are arranged on the upper end plates; two slots are symmetrically formed at positions, which are perpendicular to the connecting line of the two upper end plates, on the side plate and the bottom plate; the adjustable lifting and supporting structure consists of a lead screw, a supporting plate which is fixedly arranged at the upper end of the lead screw, and a hand wheel which is fixedly arranged at the lower end of the lead screw; the lead screw penetrates through the bottom plate of the base; a thread bushing matched with the lead screw is arranged in the middle of the bottom plate; and the supporting plate is positioned in the side plate of the base. According to the special mold, the coaxiality during the packet of the coil and the fixing rack is guaranteed, the operation is convenient, the labor intensity is lightened, and the working efficiency is improved; and moreover, the coil is prevented from being damaged, and the quality of the coil is guaranteed.

Description

technical field [0001] The invention relates to an auxiliary tool for the production of a current transformer, in particular to a mold tool specially used for wrapping a rotating and lifting body. Background technique [0002] The body is an important part of the feedthrough current transformer. The core-through current transformer is formed by inverting the body into the inner cavity of the mold, vacuum casting the epoxy resin mixture, and curing at high temperature. Among them, the device body is made of a plurality of coils and a fixed frame through manual binding. Combined bandaging is to arrange multiple coils according to the order of combination, place a 1mm backing plate between each coil, place the fixing frame in the middle of multiple coils, and lay all the coils and a fixing frame on the operating table. That is, the outer surface of the coil is in contact with the operation table, the axis of the coil is parallel to the work table, and the plain cloth tape is ...

AI Technical Summary

Problems solved by technology

However, because the current wrapping process cannot guarantee the concentricity of the coil and the fixing frame, the coil cannot enter the inner cavity of the mold after the fixing frame is positioned during mold loading, that is, the phenomenon of partial wrapping occurs

[0006] 3. The coil does not have any protective measures, and it is directly placed on the operating table to be wrapped. The copper wire wrapped around the coil is easy to rub off the paint, which will affect the experimental data.

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