US3776017A - System for continuous manufacture of copper anodes for electro-refining - Google Patents

System for continuous manufacture of copper anodes for electro-refining Download PDF

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Publication number
US3776017A
US3776017A US00300418A US3776017DA US3776017A US 3776017 A US3776017 A US 3776017A US 00300418 A US00300418 A US 00300418A US 3776017D A US3776017D A US 3776017DA US 3776017 A US3776017 A US 3776017A
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United States
Prior art keywords
anodes
anode
copper
strip
conveyor
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Expired - Lifetime
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US00300418A
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English (en)
Inventor
H Ikeda
M Yoneda
M Ishii
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Onahama Smelting and Refining Co Ltd
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Onahama Smelting and Refining Co Ltd
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/28—Associations of cutting devices therewith
    • B21D43/287—Devices for handling sheet or strip material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D31/00—Shearing machines or shearing devices covered by none or more than one of the groups B23D15/00 - B23D29/00; Combinations of shearing machines
    • B23D31/02—Shearing machines or shearing devices covered by none or more than one of the groups B23D15/00 - B23D29/00; Combinations of shearing machines for performing different cutting operations on travelling stock, e.g. slitting and severing simultaneously
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P13/00—Making metal objects by operations essentially involving machining but not covered by a single other subclass
    • B23P13/02—Making metal objects by operations essentially involving machining but not covered by a single other subclass in which only the machining operations are important
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
    • C25C1/00—Electrolytic production, recovery or refining of metals by electrolysis of solutions
    • C25C1/12—Electrolytic production, recovery or refining of metals by electrolysis of solutions of copper
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
    • C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
    • C25C7/02—Electrodes; Connections thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49789—Obtaining plural product pieces from unitary workpiece
    • Y10T29/49798—Dividing sequentially from leading end, e.g., by cutting or breaking
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4998—Combined manufacture including applying or shaping of fluent material
    • Y10T29/49988—Metal casting
    • Y10T29/49989—Followed by cutting or removing material

Definitions

  • ABSTRACT Foreign Application F y Data System for continuous manufacture of copper anodes Jan. 10, 1972 Japan 47/4753 for electro-refining which is constructed with a mech-' anism for receiving and storing continuous strip of [52] US. Cl 7/338, 29/417, 29/527.6, copper plate in a loop form, a device for intermittently 164/76, 164/270 feeding the copper strip from the looper, while cor- [51] Int. Cl B21d 28/00 recting fins, warps, etc.
  • SHEET 5 0F 5 SYSTEM FOR CONTINUOUS MANUFACTURE OF This invention relates generally to the art of producing copper anode for electrolytic refining of copper, and, more specifically, to an improved system for the continuous manufacture of copper anode to be electrolytically refined.
  • the copper anode to be used for copper electrorefining has heretofore been produced by the so-called Walker process, in which molten blister copper is sucessively poured into several molds arranged on a casting wheel. Copper anodes thus formed are removed out of the molds upon cooling. This operation is repeated until a required number of anodes are obtained. Produced in this manner, however, the anodes are subject to great fluctuations in weight or dimensions, and are very likely to have fins, warp, irregular surface due to discharge of gas at the time of casting, and other casting defects including the formation of oxides on the anode surfaces.
  • the anode surfaces may further be soiled with the bone ash or fly ash of the chemical agent used for removal of the cast anodes out of the molds.
  • Another object of the present invention is to provide a system for the continuous manufacture of copper anode, which can be fully automated to cut down labor costs.
  • a further object of the present invention is to provide a system wherein lugged anodes can be produced from a continuous strip of copper plate without loss of the material whatsoever, and are collected in stack at the end of the manufacturing steps for easiness of handling in the succeeding operations.
  • a system forthe continuous manufacture of copper anode to be electrolytically refined comprising: means to receive and store continuous strip of copper plate for some length of time; means to intermittently taking up said copper strip from said receiving and storing means, and to simultaneously rectify any irregularity on the surface of the strip, while forwarding predetermined length of the same to a subsequent operational stage; a press to sever the predetermined length of the copper strip into a plurality of pieces of the anode plates in a predetermined shape, each of said anodes including an identical pair of lug portions and correspondingly recessed portions on the opposite sides thereof; means to push forward said anode plates as severed in a direction perpendicular to the travelling direction of said copper strip; means to diverge said plurality of the anode plates thus severed and pushed forward by said pushing means; means to cool said anodes, while the same are travelling along said diverging means, said cooling means covering said diverging means; means to sort out defectiveanodes from those
  • FIG. 1 is a plan view showing a copper anode of a known design in combination wit'h'a hanger therefor,
  • FIG. 2 is a plan view showing a series of copper anodes to be cut out from a continuous strip of copper plate according to the present invention
  • FIG. 3 is a top plan view of the first sector of the system for the continuous manufacture of copper anodes according to the present invention.
  • FIG. 4 is a side elevational view of the sector shown in FIG. 3;
  • FIG. 5 is a top plan view of the second sector of the system continued from FIG. 3; g
  • FIG. 6 is a side elevational view of the sector shown in FIG. 5;
  • FIG. 7 is a top plan view of the third and last sector of the system continued from FIG. 5;
  • This mode of arrangement is further liable to bring about short-circuiting due to irregular space interval between the adjacent anodes, or to an undue voltage rise in the electrolytic cell due to contact resistance.
  • each of the anodes 4 continuously manufactured by the system of this invention is provided with a pair of lugs 5 formed integrally therewith so as to be supported more securely, as illustrated in FIG. 2.
  • a continuous strip of copper plate 7 is supplied from a continuous casting machine (not shown in the drawings) between a pair of pinch rollers 6 which are being rotated at a speed in synchronism with the casting speed of the machine.
  • the cast copper strip 7 is then fed by the pinch rollers 6 onto a looper which comprises a pair of loop tables 8 which arranged in series, and the opposed ends of which are movable up-anddown in accordance with the weight of the strip 7 per se as well as by operation of a balancer 9.
  • the looper serves as a stock yard for the strip 7 continuously fed thereinto.
  • a detector 10 for inclination of the loop table is positioned at one end of the loop table opposite the pinch rollers 6 to detect amount of the loop formed by the strip 7.
  • This looper serves the purpose of keeping the supplied strip 7 to stand by to allow for the intermittent operation of a blanking press 12 hereinafter described in greater detail.
  • a feed leveler 11 is disposed at one end of the roll conveyors 8 opposite the pinch rollers 6, and feeds a predetermined length of the strip 7 into the blankingpress 12 from the looper, while correcting its curvature or folds, if any, that may be formed during its standingby in the looper.
  • the feed motion of this feed leveler 11 may be controlled by proper signals supplied from the loop table inclination detector 10 and the blanking press 12.
  • the blanking press includes an upper and a lower die 13 and 14, which simultaneously cuts the strip 7 into two oppositely shaped anode 4 together with their integral lugs 3 as shown in FIG. 2, and also to correct their deformations, if any, caused by the pressure applied at the time of blanking.
  • a pusher 15 is provided adjacent to the blanking press 12 to push forward the cut anodes 4 into a pair of pinch rollers 17 and then onto two sets of roll conveyors 16, 16a extending in a direction perpendicular to the first-mentioned roll conveyors 8. These roll conveyors 16, 16a are enclosed in a cooling chamber 18 having cooling pipes 23, from which cooling water is sprayed onto the anodes traveling on the conveyors.
  • sorting conveyors 19 each correspondingly connected to each of the roll conveyors 16, 16a, are provided as shown in FIGS. 7 and 8.
  • These sorting conveyors form a roll surface having a cavity portion, and are provided with a stopper 20 at the extreme end in the forwarding direction of the conveyor, the stopper being for causing the anode to stop once during its conveyance, and an intermittent driving roller 23 to send out the anode on the roll conveyor in synchronism with release of the stopper.
  • a plurality of rollers which are movable up and down and disposed orthogonally with respect to the roll surface. The rollers 21 are to transfer the anode transversely.
  • anode stacking device which is constructed with an upper frame having a plurality of rolls 24 which are foldable to the left and right sides with respect to the forwarding direction of the anode, and a receiving stand 25 which receives and stacks the dropping anode due to folding of the rollers 24.
  • the receiving stand is supported in such a manner that it can be moved up and down depending on the weight of the stacked anode as well as a supporting blance or lifting device provided underneath the same.
  • anode receiving and transferring pallet 26 which receives the anode sent from the receiving stand 25 by means of a pusher 27 disposed at the opposite side of the receiving stand 25, and transfers the same to a required place such as warehouse, etc.
  • the pallet is provided with grooves 28 to facilitate intromission of pawls of fork-lift truck, etc..
  • the water-cooled anode is transported from the left side of the drawing to reach the sorting conveyor and is stopped once at the set position where it is examined for any defect. If the anode is deficient such as having deformations, etc., the transversely moving rolls 21 come up to the roll surface to remove the defective anode outside the system.
  • the stopper 20 is released, and the intermittent driving roller actuates to forward the anode to the stacking device.
  • the anode just sent to the foldable rollers 24 stop at a predetermined position thereon, when the foldable rollers at both left and right side of the upper frame drop downwardly, and the anode drops down onto the receiving stand, whereby the stand sinks downward for the thickness of the stacked anode.
  • the pusher 27 begins actuation to push forward the stacked anodes from the receiving stand 25 to transfer them to the pallet 26.
  • the series of the devices from the'sorting conveyor 19 upto the receiving and transferring stand are disposed in two parallel sets to efficiently treat the two sheets of anodes to be cut out by a single blanking press.
  • the copper strip 7 continuously supplied through the pinch rollers 6 may be kept standing-by in the looper, in which it is formed into a loop guided by the roll conveyors 8 which are movable up-and-down, until such time that the blanking press 12 becomes ready to receive the predetermined length of the strip.
  • the feed leveler 11 is actuated to feed the predetermined length of the strip into the blanking press 12' at a speed faster than the speed of the pich rollers 6, and stops.
  • the strip is introduced into the blanking press 12, it is actuated to sever two anodes from the strip in the pattern illustrated in FIG. 2, and also to press the anode to eliminate their fins, warps, or other defects possibly produced by the blanking operation.
  • the two anodes thus formed are pushed onto the roll conveyors 16, 16a through the pinch rollers 17 and, on their way to the sorting conveyor 19, are cooled by the water shower from the pipe 23 in the cooling chamber 18.
  • the anode further travel on the sorting conveyor 19, in the course of which any defective anode is removed.
  • the acceptable anodes are then sent to the receiving stand, and further pushed out to the receiving and transferring pallet in the aforedescribed manner.
  • the manufacturing system of the copper anode for electro-refining according to the present invention unlike the heretofore known system, has the following characteristics.
  • Density of the anode thus manufactured is high, and its crystal structure is fine and uniform, which guarantees uniform elution at the time of the electrorefining without causing breakage of the anode plate due to non-uniform dissolution.
  • the anode plate has few blow-holes due to degassing and provides extremely favorable smoothness in the anode surface, which secures uniform anode thick ness'. Such uniform thickness can considerably reduce the anode distance and contribute to improvement in productivety.
  • Weight of the anode is reduced due to this thickness, and fluctuation in weight from anode to anode becomes small with the consequence that handling of the anode is facilitated and the mechanical structure of the system can be simplified.
  • casting speed can be augmented.
  • a system for the continuous manufacture of copper anodes to be electrolytically refined comprising: means to receive and store continuous strip of copper plate; means to intermittently taking up said copper strip from said receiving and storing means, and to simultaneously rectify any irregularity on the a press to sever the predetermined length of the copper strip into a plurality of pieces of the anode plates in a predetermined shape, each of said anodes including an identical pair of lug portions and correspondingly recessed portions on the opposite sides thereof; means to push forward said anode plates as severed in a direction perpendicular to the travelling direction of said copper strip; means to diverge said plurality of the anode plates thus severed and pushed forward by said pushing means; means to cool said anodes, while the same are travelling along said diverging means, said cooling means covering said diverging means; means to sort out defective anodes from those sent out of said diverging and cooling means; means to receive and stack the sorted anodes stack; and means to receive and transfer said sorted anodes conveye
  • said means to receive and store continuous strip of copper plate comprises: a pair of pinch rollers, a pair of loop tables having a plurality of rollers and arranged in series, the opposed ends of which are movable up and down on the pivot of the other ends thereof; a balancing means to cause said loop tables to move up and down in accordance with resident quantity of said strip in said means, and at detecting means to detect inclination of the loop table provided at one side of said loop table opposite the pinch roller.
  • said means to sort out defective anodes comprises a' conveyor to forward the anode plate sent from said diverging means in its original travelling direction, said conveyor having in the center part thereof a cavity; a plurality of rollers disposed at a position corresponding to the said cavity formed in said conveyor in a manner movable up and down, said rollers being arranged orthogonally with respect to the moving direction of said conveyor, and movable up and down between the surface of said conveyor and the lower part thereof; a stopper to cause the anode plate sent from the previous stage to stop on the conveyor for inspection of any defect; and an intermittent driving roller to send out the anode as inspected to the subsequent stage in synchronism with release of said stopper.
  • said I means to receive and stack the anodes as sorted out comprises an upper frame provided with a plurality of rollers which are foldable to the left and right sides with respect to the forwarding direction of the anode; a receiving stand which receives and stacks the dropping anode due to folding of the rollers; and a pushing means to push forward the stack of anodes to the subsequent stage, said receiving stand being made movable up and down depending on the weight of the stackedanodes as well as a supporting balance provided underneath thereof.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electrolytic Production Of Metals (AREA)
US00300418A 1972-01-10 1972-10-17 System for continuous manufacture of copper anodes for electro-refining Expired - Lifetime US3776017A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP475372A JPS5312891B2 (xx) 1972-01-10 1972-01-10

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US (1) US3776017A (xx)
JP (1) JPS5312891B2 (xx)
CA (1) CA988693A (xx)
DE (1) DE2250792A1 (xx)
GB (1) GB1388069A (xx)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4934441A (en) * 1986-12-03 1990-06-19 Hazelett Strip-Casting Corporation Edge dam tensioning and sealing method and apparatus for twin-belt continuous casting machine
US4946575A (en) * 1977-11-16 1990-08-07 Metallurgie Hoboken-Overpelt Metallic anodes manufactured from molten copper
US5038648A (en) * 1990-08-17 1991-08-13 Mazda Motor Manufacturing (Usa) Corporation Adjustable shear blade blanking press with automatically centered blank pusher
US5604044A (en) * 1992-12-28 1997-02-18 Mccabe; Charles J. Blanks for sheet material forming process
AU2007237223B2 (en) * 2007-03-20 2009-06-11 Jx Nippon Mining & Metals Corporation Apparatus and method for sorting defective cathode plates
US11045858B2 (en) * 2018-11-19 2021-06-29 Focal Point, Llc Processes and systems for manufacturing nested components
CN115837525A (zh) * 2023-02-27 2023-03-24 湖南隆深氢能科技有限公司 一种燃料电池生产用的切割设备

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU78531A1 (fr) * 1977-11-16 1979-06-13 Metallurgie Hoboken Procede de fabrication continue d'anodes metalliques a partir de metal fondu
CA1234780A (en) * 1984-08-30 1988-04-05 Vladimir K. Blechta Anode with reverse angle lug registered with anode body
FI122461B (fi) 2009-06-30 2012-01-31 Outotec Oyj Menetelmä ja laite emolevyn valmistamiseksi kestokatodille elektrolyyttistä prosessia varten
CN112792410B (zh) * 2021-01-12 2022-09-02 浙江天羿钢结构有限公司 一种钢板加工用切割装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3038250A (en) * 1958-07-07 1962-06-12 Coors Porcelain Co Method of continuously casting strips from molten metal and making slugs therefrom
US3504429A (en) * 1965-02-04 1970-04-07 British Copper Refiners Ltd Method of preparing unrefined copper electrodes
US3565160A (en) * 1966-11-10 1971-02-23 Curt Herrmann Arc type continuous casting plant
US3707764A (en) * 1970-04-01 1973-01-02 Kennecott Copper Corp A wholly integral anode for electrolytic refining of metals

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1652620A1 (de) * 1967-01-30 1970-10-22 Egyesuelt Izzolampa Stufenpresse

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3038250A (en) * 1958-07-07 1962-06-12 Coors Porcelain Co Method of continuously casting strips from molten metal and making slugs therefrom
US3504429A (en) * 1965-02-04 1970-04-07 British Copper Refiners Ltd Method of preparing unrefined copper electrodes
US3565160A (en) * 1966-11-10 1971-02-23 Curt Herrmann Arc type continuous casting plant
US3707764A (en) * 1970-04-01 1973-01-02 Kennecott Copper Corp A wholly integral anode for electrolytic refining of metals

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4946575A (en) * 1977-11-16 1990-08-07 Metallurgie Hoboken-Overpelt Metallic anodes manufactured from molten copper
US4934441A (en) * 1986-12-03 1990-06-19 Hazelett Strip-Casting Corporation Edge dam tensioning and sealing method and apparatus for twin-belt continuous casting machine
US5038648A (en) * 1990-08-17 1991-08-13 Mazda Motor Manufacturing (Usa) Corporation Adjustable shear blade blanking press with automatically centered blank pusher
US5604044A (en) * 1992-12-28 1997-02-18 Mccabe; Charles J. Blanks for sheet material forming process
AU2007237223B2 (en) * 2007-03-20 2009-06-11 Jx Nippon Mining & Metals Corporation Apparatus and method for sorting defective cathode plates
CN101270488B (zh) * 2007-03-20 2011-04-27 Jx日矿日石金属株式会社 不合格阴极板分选装置以及不合格阴极板分选方法
US11045858B2 (en) * 2018-11-19 2021-06-29 Focal Point, Llc Processes and systems for manufacturing nested components
CN115837525A (zh) * 2023-02-27 2023-03-24 湖南隆深氢能科技有限公司 一种燃料电池生产用的切割设备

Also Published As

Publication number Publication date
GB1388069A (en) 1975-03-19
JPS5312891B2 (xx) 1978-05-06
CA988693A (en) 1976-05-11
JPS4874415A (xx) 1973-10-06
DE2250792A1 (de) 1973-07-19

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