CN102543310A - Process for specially-shaped electrolytic conductive material - Google Patents
Process for specially-shaped electrolytic conductive material Download PDFInfo
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- CN102543310A CN102543310A CN2012100379983A CN201210037998A CN102543310A CN 102543310 A CN102543310 A CN 102543310A CN 2012100379983 A CN2012100379983 A CN 2012100379983A CN 201210037998 A CN201210037998 A CN 201210037998A CN 102543310 A CN102543310 A CN 102543310A
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Abstract
The invention discloses a process for a specially-shaped electrolytic conductive material. The process comprises the following steps of: 1) by taking highly-pure cathode copper as a raw material, performing centrifugal vacuum up-drawing continuous-casting on an oxygen-free copper rod by using a traction unit; 2) processing the oxygen-free copper rod in the step 1) by using a continuous extrusion unit to form a blank of the specially-shaped electrolytic conductive material; 3) drawing and finishing the blank of the specially-shaped electrolytic conductive material by using a fully-automatic hydraulic drawing machine to form the specially-shaped electrolytic conductive material, wherein the blank is formed in the step 2); and 4) checking and packaging the specially-shaped electrolytic conductive material which is formed in the step 3). The invention provides the specially-shaped electrolytic conductive material which is high in production efficiency, high in yield, high in product quality and free from environmental pollution and can overcome the defects of the conventional production process.
Description
Technical field
The present invention relates to the processing technology of a kind of electrolysis, belong to technical field of nonferrous metal processing with special-shaped electric conducting material.
Background technology
The production of cathode copper is carried out in electrolysis tank, and under the DC electric field effect of low-voltage, big electric current, the copper ion in the electrolyte can constantly be enriched on the negative electrode, thereby obtains the very high cathode copper of purity.According to the cupric electrolysis principle, in electrolytic process, improving current density is the effective way that obtains the high-grade cathode copper.And copper conductive plate and cylinder manifold are to set up the indispensable electric conducting material of DC electric field, and its operation principle is: utilize conduction fine copper square tube 1 ' that tough cathode 2 ' is placed and place conductive plate 4 ' between 3 ', 2 tough cathodes 2 ' of copper electrolyte; Cylinder manifold 5 ', cupric electrolysis principle schematic as shown in Figure 1 are placed in both sides.
At present, produce this electrolysis and two kinds of methods are arranged with special-shaped electric conducting material.A kind of method is on copper coin, to be welded into electrolysis above that with Ф 30 ㎜ semicircle copper bar material back-offs to use special-shaped electric conducting material.Weld bond snaps sometimes when adopting this way, and influence conduction and rate of failure are higher.The technological process of second method is as shown in Figure 2; Utilize tough cathode face, high accuracy rolled by cold rolling machine and become behind the semi-finished product, form conductive plate or cylinder manifold through punching press then again through finishing after the sawing of large-scale copper bar sawing machine through electric furnace ingot bar, fuel oil heating heating, hot-rolling mill hot rolling cogging, the face machine of milling.The subject matter that this method exists is that the technological process of production is long, and production efficiency is low, and production cost is high.
Summary of the invention
The object of the present invention is to provide the processing technology of a kind of electrolysis with special-shaped electric conducting material.The invention solves the deficiency that traditional processing technology exists, provide a kind of production efficiency is high, lumber recovery is high, product quality is excellent and environment friendly and pollution-free electrolysis with special-shaped electric conducting material processing technology.
In order to reach above-mentioned purpose, solution of the present invention is:
A kind of electrolysis comprises the steps: 1 with the processing technology of special-shaped electric conducting material) with the Cu-CATH-1 prepared using traction unit disengaging type vacuum continuous up-casting oxygen-free copper bar; 2) adopt continuously extruded unit that the oxygen-free copper bar in the step 1) is processed to form the blank of electrolysis with special-shaped electric conducting material; 3) through the fully automatic hydraulic drawbench to step 2) electrolysis that forms stretches with the blank of special-shaped electric conducting material and special-shaped electric conducting material is used in finishing formation electrolysis; 4) electrolysis that step 3) is formed is tested with special-shaped electric conducting material, packing.
Cu-CATH-1 adopts a tough cathode of national Specification in the said step 1), and copper content is not less than 99.99%.
Cu-CATH-1 raw material in the said step 1) is fusing under 1150 ℃ ± 10 ℃ temperature, insulation earlier; Vacuum state adopts copper liquid refining techniques down; Utilize online degasification device for deoxidizing, charge into inert gas in the copper liquid, and utilize agitating device; Reach could use on the traction unit disengaging type vacuum after degasification, deoxidation, the high-purity effect and draw oxygen-free copper bar, oxygen-free copper bar gets into take-up then; Wherein draw power traction bar speed 500-1500mm/min, oxygen-free copper bar diameter Ф 30mm, crystallizer hydraulic pressure 0.2～0.4MPa, 35 ℃～50 ℃ of crystallizer leaving water temperatures, oxygen-free copper bar Cu+Ag>=99.99%, O≤5ppm.
Vacuum when said vacuum state is realized melting through adopting wooden carbon and graphite phosphorus sheet to cover.
Said inert gas adopts argon gas or nitrogen, adopts graphite shaft and rotor as agitating device, and argon gas or nitrogen are pressed in the copper liquid and are dispersed as micro-bubble, and it is dispersed in the copper liquid.
Said step 2) sends in the extruding race of continuously extruded unit after in Ф 30mm oxygen-free copper bar being aligned; The squeegee roller rotating speed is 4～12r/min, and oxygen-free copper bar is through the compact wheel compacting, boots seat compaction pressure 30～40MPa; Under function of friction, sent into extrusion chamber continuously; Blank,, gets into cavity at last and extrudes blank through mould through fricting shearing deformed area, jumping-up deformed area, adhesioin zone, right-angle bending crush zone along circular motion in cavity material blocking block front; Blank extruded velocity: 5～15m/min; The temperature of copper reaches 500 ℃～750 ℃ in extrusion process, and cavity internal pressure reaches 1000～1200MPa; Adopt the vacuum water device for cooling, make blank extrude the back and get into the vacuum tube cooling, dry up, batch to 20 ℃～30 ℃ at high temperature.In whole deformation process, cut off and the contacting of oxygen, avoided oxygen uptake, guaranteed the blank low oxygen content of electrolysis with special-shaped electric conducting material.
The drawing coefficient rate of fully automatic hydraulic drawbench is in the said step 3): 1.1～1.5.
Beneficial effect of the present invention is: 1. production procedure is short, efficient is high; The present invention adopts continuously extruded technological production electrolysis to use special-shaped electric conducting material, and its production procedure is short, compares greatly with traditional production process and has shortened the production cycle, has improved production efficiency.2. lumber recovery is high; The present invention produces with roll-good form, has reduced operations such as the face that mills in the traditional processing technology, and the lumber recovery of product reaches more than 93%.3. energy consumption is low; Adopt continuously extruded technology among the present invention, useless frictional force is converted into power, need not heating, reduced energy resource consumption, practiced thrift cost.4. product quality is excellent; The product gas purity that invention is produced is high, oxygen content is low and conductance is high, and surface quality is excellent.Cu+Ag>=99.99%, O≤5ppm, conductance 100～102%IACS.
Description of drawings
Fig. 1 is the cupric electrolysis principle schematic;
Fig. 2 is the flow sheet of traditional handicraft;
Fig. 3 be in the embodiment of the invention 1 electrolysis with the structural representation of special-shaped electric conducting material.
Embodiment
Embodiment 1
A kind of electrolysis of present embodiment is with the processing technology of special-shaped electric conducting material; Comprise the steps: 1) adopt a tough cathode of national Specification; It is raw material that copper content is not less than 99.99% Cu-CATH-1; Be 1150 ℃ ± 10 ℃ at copper liquid temperature earlier, crystallizer hydraulic pressure 0.2～0.4MPa, crystallizer leaving water temperature are controlled under 35 ℃～50 ℃ and melt, are incubated; Vacuum state adopts copper liquid refining techniques, the vacuum when said vacuum state is realized melting through adopting wooden carbon and graphite phosphorus sheet to cover down.Utilize online degasification device for deoxidizing, charge into inert gas argon gas or nitrogen in the copper liquid, adopt controlled graphite shaft and rotor, argon gas or nitrogen are pressed in the copper liquid and are dispersed as micro-bubble, it is dispersed in the copper liquid as agitating device; Source of the gas outlet pressure 0.5～1MPa, the 5Nm of flow 0.5～1.
3/ h.Reach could use on the traction unit disengaging type vacuum after degasification, deoxidation, the high-purity effect and draw oxygen-free copper bar, oxygen-free copper bar gets into take-up then; Wherein draw power traction bar speed 500-1500mm/min, the oxygen-free copper bar diameter Ф 30mm that present embodiment is produced, oxygen-free copper bar Cu+Ag>=99.99%, O≤5ppm.
2) send into after the Ф 30mm oxygen-free copper bar of step 1) being produced is aligned in the extruding race of Large Scale and Continuous extruding unit, the shape of making the conductive plate blank is as shown in Figure 3, among the figure: R1-conductive bars outer arc radius; T-two row conductive bars centre-to-centre spacing; Conductive plate both sides end face distance between T-groove; H-conductive plate thickness; D-conductive bars height; The billet size of present embodiment production is T=265mm, t=193mm, h=13 mm, D=26.5 mm, R1=16.5mm.The squeegee roller rotating speed is 4～12r/min; Oxygen-free copper bar is through the compact wheel compacting, and boots seat compaction pressure 30～40MPa is sent into extrusion chamber continuously under function of friction; Blank in cavity material blocking block front along circular motion; Through fricting shearing deformed area, jumping-up deformed area, adhesioin zone, right-angle bending crush zone, get into cavity at last and extrude blank, blank extruded velocity: 5～15m/min through mould; The temperature of copper reaches 500 ℃～750 ℃ in extrusion process, and cavity internal pressure reaches 1000～1200MPa; Adopt the vacuum water device for cooling, anti-oxidation pipe of vacuum and tank that blank is extruded on the back entering vacuum water device for cooling at high temperature cool off, dry up to 20 ℃～30 ℃, batch.In whole deformation process, cut off and the contacting of oxygen, avoided oxygen uptake, guaranteed the blank low oxygen content of electrolysis with special-shaped electric conducting material.
3) through the fully automatic hydraulic drawbench to step 2) electrolysis that forms stretches with the blank of special-shaped electric conducting material and special-shaped electric conducting material is used in finishing formation electrolysis; The drawing coefficient rate of said fully automatic hydraulic drawbench is: 1.1～1.5.The electrolysis that obtains is also as shown in Figure 3 with special-shaped electric conducting material, wherein T=260mm, t=190mm, h=12 mm, D=25 mm, R1=15mm.
4) electrolysis that step 3) is formed is tested with special-shaped electric conducting material, packing.
The electrolysis of present embodiment production has following characteristics with special-shaped electric conducting material: 1. production procedure is short, efficient is high; The present invention adopts continuously extruded technological production electrolysis to use special-shaped electric conducting material, and its production procedure is short, compares greatly with traditional production process and has shortened the production cycle, has improved production efficiency.2. lumber recovery is high; The present invention produces with roll-good form, has reduced operations such as the face that mills in the traditional processing technology, and the lumber recovery of product reaches more than 93%.3. energy consumption is low; Adopt continuously extruded technology among the present invention, useless frictional force is converted into power, need not heating, reduced energy resource consumption, practiced thrift cost.4. product quality is excellent; The product gas purity that invention is produced is high, oxygen content is low and conductance is high, and surface quality is excellent.Cu+Ag>=99.99%, O≤5ppm, conductance 100～102%IACS.
Claims (7)
1. an electrolysis is characterized in that comprising the steps: 1 with the processing technology of special-shaped electric conducting material) with the Cu-CATH-1 prepared using traction unit disengaging type vacuum continuous up-casting oxygen-free copper bar; 2) adopt continuously extruded unit that the oxygen-free copper bar in the step 1) is processed to form the blank of electrolysis with special-shaped electric conducting material; 3) through the fully automatic hydraulic drawbench to step 2) electrolysis that forms stretches with the blank of special-shaped electric conducting material and special-shaped electric conducting material is used in finishing formation electrolysis; 4) electrolysis that step 3) is formed is tested with special-shaped electric conducting material, packing.
2. a kind of electrolysis as claimed in claim 1 is characterized in that with the processing technology of special-shaped electric conducting material: Cu-CATH-1 adopts a tough cathode of national Specification in the said step 1), and copper content is not less than 99.99%.
3. according to claim 1 or claim 2 a kind of electrolysis is with the processing technology of special-shaped electric conducting material; It is characterized in that: the Cu-CATH-1 raw material in the said step 1) is fusing under 1150 ℃ ± 10 ℃ temperature, insulation earlier; Vacuum state adopts copper liquid refining techniques down; Utilize online degasification device for deoxidizing, charge into inert gas in the copper liquid, and utilize agitating device; Reach could use on the traction unit disengaging type vacuum after degasification, deoxidation, the high-purity effect and draw oxygen-free copper bar, oxygen-free copper bar gets into take-up then; Wherein draw power traction bar speed 500-1500mm/min, oxygen-free copper bar diameter Ф 30mm, crystallizer hydraulic pressure 0.2～0.4MPa, 35 ℃～50 ℃ of crystallizer leaving water temperatures, oxygen-free copper bar Cu+Ag>=99.99%, O≤5ppm.
4. a kind of electrolysis as claimed in claim 3 is characterized in that with the processing technology of special-shaped electric conducting material: the vacuum when said vacuum state is realized melting through adopting wooden carbon and graphite phosphorus sheet to cover.
5. a kind of electrolysis as claimed in claim 3 is with the processing technology of special-shaped electric conducting material; It is characterized in that: said inert gas adopts argon gas or nitrogen; Adopt graphite shaft and rotor as agitating device; Argon gas or nitrogen are pressed in the copper liquid and are dispersed as micro-bubble, it is dispersed in the copper liquid.
6. a kind of electrolysis as claimed in claim 1 is with the processing technology of special-shaped electric conducting material; It is characterized in that: send in the extruding race of continuously extruded unit after said step 2) Ф 30mm oxygen-free copper bar being aligned; The squeegee roller rotating speed is 4～12r/min, and oxygen-free copper bar is through the compact wheel compacting, boots seat compaction pressure 30～40MPa; Under function of friction, sent into extrusion chamber continuously; Blank,, gets into cavity at last and extrudes blank through mould through fricting shearing deformed area, jumping-up deformed area, adhesioin zone, right-angle bending crush zone along circular motion in cavity material blocking block front; Blank extruded velocity: 5～15m/min; The temperature of copper reaches 500 ℃～750 ℃ in extrusion process, and cavity internal pressure reaches 1000～1200MPa; Adopt the vacuum water device for cooling, make blank extrude the back and get into the vacuum tube cooling, dry up, batch to 20 ℃～30 ℃ at high temperature.
7. a kind of electrolysis as claimed in claim 1 is characterized in that with the processing technology of special-shaped electric conducting material: the drawing coefficient rate of fully automatic hydraulic drawbench is in the said step 3): 1.1～1.5.
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| CN102886390A (en) * | 2012-10-25 | 2013-01-23 | 徐高磊 | Process for producing ultra-fine copper wire |
| CN103071696A (en) * | 2013-02-27 | 2013-05-01 | 徐高磊 | Production process of electrical aluminum and aluminum alloy buses |
| CN103909387A (en) * | 2014-04-14 | 2014-07-09 | 厦门艾瑞克斯铜业有限公司 | Production method for processing contacts by special-shaped copper bars |
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| CN101719527A (en) * | 2009-12-03 | 2010-06-02 | 绍兴市力博电气有限公司 | Production technique of copper strips for solar modules |
| CN101916624A (en) * | 2010-08-06 | 2010-12-15 | 绍兴市力博电气有限公司 | Production method of conducting copper bars for bus duct with large flakiness ratio |
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| CN107497880A (en) * | 2017-08-17 | 2017-12-22 | 徐高杰 | A kind of production method of tellurium selenium copper rod |
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