Method for producing a composite copper wire

Abstract

The present discloses a method for producing a composite copper wire including the steps of passing an aluminum wire through an electroplating device and removing an oxidized film on the surface of the aluminum wire in deoxidized water by a rotary knife; plating a copper coat onto the aluminum wire by sequentially passing through a tank containing a copper phosphate solution and a tank containing a copper sulfate solution to produce a copper plating aluminum wire; preparing a casting furnace comprising a primary furnace and a plurality of secondary furnaces extended from the primary furnace and passing the aluminum wire vertically through the secondary furnaces, such that the copper solutions are attached on the copper plating aluminum wire according to a predetermined thickness to produce a composite copper wire. The aluminum wire is plated and coated with a copper layer for reducing costs and enhancing the electric conductivity of the composite copper wire.

1 . A method for producing a composite copper wire, comprising the steps of: 
 passing an aluminum wire through an electroplating device, and cutting off an oxidized film on the surface of said aluminum wire in deoxidized water by a rotary knife; and then plating a copper coat on said aluminum wire by sequentially passing through a tank containing a copper phosphate solution and a tank containing a copper sulfate solution to produce a copper plating aluminum wire; and    preparing a casting furnace comprising a primary furnace and a plurality of secondary furnaces extended from said primary furnace, and passing said copper plating aluminum wire vertically through said secondary furnaces, such that said copper solutions are attached onto said copper plating aluminum wire according to a predetermined thickness to produce composite copper wire.    
   
   
       2 . The method for producing a composite copper wire of  claim 1 , wherein said electroplating device at its interior sequentially comprises a first water tank containing deoxidized water, a second plating tank containing a copper phosphate solution, a third water tank having a water spray nozzle, a fourth plating tank containing a copper sulfate solution, and a fifth water tanks each having a water spray nozzle, and said aluminum wire passes through a partition of said water tank having a waterproof washer, and said first water tank further includes a rotary knife.  
   
   
       3 . The method for producing a composite copper wire of  claim 1 , wherein said primary furnace of said casting furnace includes a material feeding opening for feeding a copper sheet, a plurality of connecting pipes extended from lateral side of said primary furnace for passing copper solutions, and said each connecting pipe at its free end includes a secondary furnace, which at its interior top includes a heat insulating layer and a heat insulating cooler disposed at the external side of the bottom, and said heat insulating layer includes a cooler protruded from said secondary furnace, and a graphite mold protruded from the under part of said secondary furnace to said cooler and the bottom of said heat insulating layer, and said graphite mold at its middle section includes an opening for injecting said copper solutions, and the bottom of said graphite mold is placed into said heat insulating cooler, such that said copper plating aluminum wire is vertically passed through said cooler and said graphite mold, and finally produce said composite copper wire, which is guided out from the bottom of said heat insulating cooler.  
   
   
       4 . The method for producing a composite copper wire of  claim 3 , wherein said cooler is substantially in a tubular shape and its internal pipe is provided for passing said copper plating aluminum wire, and a water tank is disposed around the internal diameter of said pipe for a water cool circulation.  
   
   
       5 . The method for producing a composite copper wire of  claim 3 , wherein said graphite mold is substantially in a tubular shape and the internal diameter of said pipe disposing under the opening at its middle section is wider than said copper plating aluminum wire.  
   
   
       6 . The method for producing a composite copper wire of  claim 3 , wherein said heat insulating cooler includes a passage with a downwardly tapered internal diameter, and an upper passage is provided for installing the bottom of said graphite mold, and the internal diameter of a lower passage corresponds to said graphite mold, and a heat insulating layer and a vacuum heat insulating chamber are disposed separately on a top surface where said heat insulating cooler and said secondary furnace are connected, and a water tank is disposed around said passage for a water cool circulation.  
   
   
       7 . The method for producing a composite copper wire of  claim 1 , wherein said connecting pipe includes a gate therein for obstructing the flow of said copper solutions.