Background technology:

At present, in the power transformer, the secondary side ofthe transformer generally uses ring copper as a group of windings.

In fact, in the production of annular copper sheet, theannular copper sheet needs to be coated to ensure its anti electromagneticinterference performance. However, due to the small volume of the annularcopper sheet, at present, it is used to manually paste high-temperatureadhesive tape on both sides of the annular copper sheet to complete the filmcoating process, and then punch and cut the excess high-temperature adhesivetape through the stamping machine. The production efficiency is low, which belongsto low-energy intermittent production, and the manual pasting ofhigh-temperature adhesive tape is easy to produce bubbles between thehigh-temperature adhesive tape and the annular copper sheet, affecting the useof the annular copper sheet.

Technical realization elements:

Based on this, it is necessary to provide a copper foillamination production process for the low production efficiency and poorproduction quality of copper foil lamination, which can realize the automaticproduction of copper foil and the automatic lamination process flow, improvethe production efficiency and reduce the production cost of enterprises.

A copper foil coating production process includes thefollowing steps:

Step 1: use the first mold to produce a copper foilassembly composed of a plurality of annular open copper foil bodies and frames,and the annular open copper foil bodies are connected with the frames through abreakable part;

Step 2: using a back glue machine to paste thehigh-temperature tape on the front and back of the copper foil assembly;

Step 3: the stamping machine is equipped with a secondmold, and the first moving part of the second mold cuts and throws away thehigh-temperature tape on the copper foil assembly except the annular openingcopper foil body;

Step 4: the secondmoving part of the second mold separates the annular opening copper foil bodyand the frame from the easily broken part.