WO2014168314A1 - Appareil d'électroplaquage pour empêcher le plaquage excessif d'un bord - Google Patents

Appareil d'électroplaquage pour empêcher le plaquage excessif d'un bord Download PDF

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Publication number
WO2014168314A1
WO2014168314A1 PCT/KR2013/011554 KR2013011554W WO2014168314A1 WO 2014168314 A1 WO2014168314 A1 WO 2014168314A1 KR 2013011554 W KR2013011554 W KR 2013011554W WO 2014168314 A1 WO2014168314 A1 WO 2014168314A1
Authority
WO
WIPO (PCT)
Prior art keywords
edge
anode
mask
steel sheet
plating
Prior art date
Application number
PCT/KR2013/011554
Other languages
English (en)
Korean (ko)
Inventor
김영하
정훤우
강용식
Original Assignee
(주)포스코
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by (주)포스코 filed Critical (주)포스코
Priority to JP2015562897A priority Critical patent/JP6089125B2/ja
Priority to EP13881849.7A priority patent/EP2985367A4/fr
Priority to CN201380074786.5A priority patent/CN105189830B/zh
Priority to US14/783,836 priority patent/US20160076166A1/en
Publication of WO2014168314A1 publication Critical patent/WO2014168314A1/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00—Electroplating: Baths therefor
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
    • C25D17/008—Current shielding devices
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
    • C25D17/06—Suspending or supporting devices for articles to be coated
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
    • C25D17/10—Electrodes, e.g. composition, counter electrode

Definitions

  • the present invention relates to an electroplating apparatus, and more particularly to an electroplating apparatus for preventing overplating of the edge portion of the steel sheet.
  • steel sheets used for automobile steel sheets or exterior materials of electrical appliances undergo an annealing process, and then undergo an electro zinc plating process to have corrosion resistance required for the purpose of use.
  • edge overplating there is a problem of edge overplating, in which the plating amount of the edge portion is increased compared to other portions. Since the edge overplating causes bending on the steel sheet due to excessive plating adhesion of the edge portion during the coiling and winding, the coil has to be manufactured in small units, which causes many problems in transportation cost and productivity.
  • the edge mask of FIG. 1 has been conventionally applied. As shown in FIG. 1, an upper anode 2 and a lower anode 3 are positioned at a predetermined distance from the steel sheet 1 serving as a cathode, and the steel sheet 1 is located. An edge mask 4 for blocking current concentration at both ends, i.e., the edge portion, has been applied.
  • the decrease in the current density of the edge portion of the steel sheet is directly related to the productivity of the line.
  • the concentration phenomenon of the edge portion current density increases.
  • Increasing the current density of the edge portion is limited to the post-plating line work speed, there is a problem that the productivity sharply drops.
  • the present invention has been made to solve this problem, and an object of the present invention is to prevent the over plating of the edge portion of the steel sheet by adding the anode edge mask to the existing cathode edge mask to reduce the current density of the edge portion of the steel sheet.
  • the present invention provides an electroplating apparatus.
  • the An anode edge mask disposed close to the edge portion and spaced apart from each other at upper and lower portions of the cathode edge mask and the anode edge mask to cut off electricity between the edge portion and the anode, respectively, and an anode edge to cut off electricity between the edge portion and the anode. It characterized in that it comprises a mask.
  • the anode edge mask may increase or decrease an area that blocks current flow between the edge portion and the anode.
  • the cathode edge mask may be provided with a groove to allow the steel sheet to pass through the surface where the steel sheet contacts.
  • the groove may be formed to be inclined widely in the steel plate direction.
  • the cathode edge mask and the anode edge mask may be formed of nonconductors, respectively.
  • the anode edge mask may be formed of a conductive material and an insulator layer may be formed on a surface facing the anode.
  • the electroplating apparatus for preventing edge over plating even when the cathode edge mask does not approach the edge of the steel sheet due to meandering of the steel sheet, the current density concentrated on the edge portion of the steel sheet by the anode edge mask is measured. It is possible to reduce the over-plating phenomenon by the current concentration of the edge portion during the electroplating, and the defect and operation problems due to the dendrite-type precipitation can be solved. In addition, even in the post-plating operation of the zinc single-side plating amount of 55g / m 2 or more, productivity can be greatly improved by increasing the operating speed of the line to 70 ⁇ 100mpm or more.
  • FIG. 1 is a schematic cross-sectional view showing an anode and an edge mask of a conventional continuous electroplating horizontal cell.
  • FIG. 2 is a side view of an edge mask according to an embodiment of the present invention.
  • FIG. 3 is a perspective view of an edge mask according to an embodiment of the present invention.
  • Figure 4 is a schematic cross-sectional view of the electroplating apparatus for preventing edge over plating according to an embodiment of the present invention.
  • the cathode edge mask is close to the edge portion of the steel sheet to reduce the current density applied to the edge portion of the steel sheet to prevent the overplating phenomenon of the edge portion, in the present invention by adding the anode edge mask to the cathode edge mask in the edge of the steel sheet
  • innovative improvements in overplating at the edges have been achieved by reducing the current density applied to the side.
  • the anode edge mask may increase or decrease an area covering the anode, that is, an area blocking the energization of the edge portion of the steel sheet and the anode, thereby controlling the current density of the edge portion of the steel sheet.
  • the cathode edge mask 11 according to the exemplary embodiment of the present invention is installed to be close to the edge portion of the steel sheet to block the energization of the edge portion of the steel sheet and the anode.
  • the cathode edge mask 11 has a groove formed therein in the direction of the steel sheet, and thus, when continuous plating is applied to the steel sheet, it is possible to block the energization between the anode and the edge portion of the steel sheet by passing the edge portion through the inside of the groove.
  • the groove is preferably formed to be inclined widely in the steel plate direction.
  • the meandering phenomenon occurs to move from side to side in the width direction of the steel sheet, it is possible to stably reduce the current density of the edge portion of the steel sheet without collision even if the distance between the steel sheet and the negative electrode edge mask 11 is changed.
  • a support 13 is connected to the other side of the cathode edge mask 11, and one end of the support 13 is connected to a mask driver 16 for moving the cathode edge mask 11 forward and backward to continuously connect the steel sheet.
  • the position of the cathode edge mask 11 can be adjusted by moving the cathode edge mask 11 forward and backward toward the steel sheet.
  • the mask driver 16 may be a cylinder device as a device capable of moving forward and backward, and may be driven by a servo motor for precise control.
  • the supporting portion 13 is coupled to the connecting portion 14 which is formed extending in the vertical direction to couple the anode edge mask.
  • the connection part 14 may be formed to penetrate the support part 13 and may be formed in two rod shapes on both sides.
  • connection part 14 may be inserted into the positioning hole 15 formed in the anode edge mask 12 so that the anode edge mask 12 and the connection part 14 may be coupled to each other.
  • the anode edge mask 12 may be coupled in a form in which two anode edge masks 11 face each other in parallel, and two or more positioning holes 15 may be formed in a steel plate direction so that the connection portion ( The current density of the edge portion of the steel sheet can be adjusted by adjusting the area covering the anode according to the position of the positioning hole 15 coupled with 14).
  • the cathode edge mask 11 and the anode edge mask 12 may be formed of nonconductors.
  • the anode edge mask 12 may be formed of a conductive material in order to prevent the portion covered by the anode edge mask 12 from being unplated.
  • the anode edges 2 and 3 may be electrically energized.
  • the mask 12 may have an insulator layer formed on a surface facing the anodes 2 and 3. In this case, the unplating problem can be prevented from occurring on the surface covered by the anode edge mask 12.
  • Figure 4 is a schematic cross-sectional view of the electroplating apparatus for preventing edge over plating according to an embodiment of the present invention.
  • the steel sheet 1 is negatively charged to serve as a negative electrode, and the electroplating proceeds as it progresses between two positive electrodes 2 and 3. At this time, both side edge portions of the steel sheet 1 may be excessively plated while the current density is concentrated.
  • the cathode edge mask 11 is disposed in close proximity, the current density of the edge portion is reduced. At this time, even if the gap between the cathode edge mask 11 and the edge portion of the steel sheet increases, the anode is covered by the anode edge mask 12 formed between the cathode edge mask 11 and the anodes 2 and 3 so that the current of the edge portion is caused. It is possible to reduce the density.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electroplating Methods And Accessories (AREA)

Abstract

La présente invention concerne un dispositif d'électroplaquage pour empêcher le plaquage excessif d'un bord, le dispositif d'électroplaquage permettant de plaquer une plaque d'acier entre des anodes qui sont formées à une distance prédéterminée les unes des autres par rapport à un centre de la plaque d'acier comprenant : un masque de bord de cathode disposé à proximité de la partie de bord d'une plaque d'acier et bloquant l'application d'un courant électrique à la partie de bord et à une anode ; et des masques de bord d'anode prévus respectivement au niveau des parties supérieure et inférieure du masque de bord de cathode à une certaine distance les unes des autres et bloquant l'application d'un courant électrique à la partie de bord et aux anodes.
PCT/KR2013/011554 2013-04-10 2013-12-12 Appareil d'électroplaquage pour empêcher le plaquage excessif d'un bord WO2014168314A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2015562897A JP6089125B2 (ja) 2013-04-10 2013-12-12 エッジの過メッキを防止するための電気メッキ装置
EP13881849.7A EP2985367A4 (fr) 2013-04-10 2013-12-12 Appareil d'électroplaquage pour empêcher le plaquage excessif d'un bord
CN201380074786.5A CN105189830B (zh) 2013-04-10 2013-12-12 用于防止边缘超镀的电镀装置
US14/783,836 US20160076166A1 (en) 2013-04-10 2013-12-12 Eletroplating apparatus for preventing excessive plating of edge

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20130038912A KR101495419B1 (ko) 2013-04-10 2013-04-10 에지 과도금을 방지하기 위한 전기도금장치
KR10-2013-0038912 2013-04-10

Publications (1)

Publication Number Publication Date
WO2014168314A1 true WO2014168314A1 (fr) 2014-10-16

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Family Applications (1)

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PCT/KR2013/011554 WO2014168314A1 (fr) 2013-04-10 2013-12-12 Appareil d'électroplaquage pour empêcher le plaquage excessif d'un bord

Country Status (6)

Country Link
US (1) US20160076166A1 (fr)
EP (1) EP2985367A4 (fr)
JP (1) JP6089125B2 (fr)
KR (1) KR101495419B1 (fr)
CN (1) CN105189830B (fr)
WO (1) WO2014168314A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4389940A1 (fr) * 2022-12-21 2024-06-26 John Cockerill SA Dispositif pour une electrodeposition anti-dendrites

Families Citing this family (8)

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Publication number Priority date Publication date Assignee Title
KR101633617B1 (ko) * 2014-12-12 2016-06-28 주식회사 포스코 수평셀 전기도금장치의 에지마스크 및 이를 포함하는 수평셀 전기도금장치
KR101666461B1 (ko) 2014-12-24 2016-10-14 주식회사 포스코 에지 영역 과도금 방지를 위한 전기 도금 장치
KR101674793B1 (ko) * 2015-03-02 2016-11-10 주식회사 포스코 유체유동을 이용한 센터링장치 및 이를 포함하는 전기도금설비
DE102016111649A1 (de) * 2016-06-24 2017-12-28 Thyssenkrupp Ag Vorrichtung und Verfahren zur elektrolytischen Beschichtung eines Metallbandes
KR102065220B1 (ko) 2017-12-22 2020-01-10 주식회사 포스코 에지 마스크를 구비한 전기 도금 장치
CN109234776B (zh) * 2018-09-17 2020-04-10 芜湖海成科技有限公司 一种便捷式导电工装
KR102022920B1 (ko) * 2019-06-25 2019-09-19 주식회사 태성 롤투롤 수평식 연속 도금장치
KR102674486B1 (ko) * 2024-03-14 2024-06-11 주식회사 티티엠기술연구소 수직형 가용성 전기 니켈 도금조용 과도금 방지를 위한 엣지 마스크

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JPH08239796A (ja) * 1995-03-01 1996-09-17 Nippon Steel Corp 電気めっき用エッジマスク装置および電気めっき方法
KR20010059601A (ko) * 1999-12-30 2001-07-06 이구택 에지부 도금층이 균일한 전기도금방법
JP2002235191A (ja) * 2001-02-07 2002-08-23 Nkk Corp 鋼帯の電気めっき装置および電気めっき鋼帯の製造方法
JP2004315922A (ja) * 2003-04-18 2004-11-11 Nippon Steel Corp 連続式電気めっき設備のエッジマスク装置
JP2009173952A (ja) * 2008-01-21 2009-08-06 Nippon Mining & Metals Co Ltd エッジオーバーコート防止装置及びそれを用いた電気めっき材の製造方法

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DE19717510C1 (de) * 1997-04-25 1998-10-01 Atotech Deutschland Gmbh Vorrichtung zur Abblendung von Galvanisiergut in Durchlaufanlagen
JP4177902B2 (ja) * 1998-04-23 2008-11-05 アトーテヒ ドイッチュラント ゲゼルシャフト ミット ベシュレンクテル ハフツング プレート形状の被処理物を電気分解的に処理するための装置と電気分解的処理の際に被処理物のエッジ範囲を電気的に遮蔽するための方法
US20060037865A1 (en) * 2004-08-19 2006-02-23 Rucker Michael H Methods and apparatus for fabricating gas turbine engines
CN202509143U (zh) * 2012-02-01 2012-10-31 湖南中精伦金属材料有限公司 一种电镀镍边缘屏蔽装置

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Publication number Priority date Publication date Assignee Title
JPH08239796A (ja) * 1995-03-01 1996-09-17 Nippon Steel Corp 電気めっき用エッジマスク装置および電気めっき方法
KR20010059601A (ko) * 1999-12-30 2001-07-06 이구택 에지부 도금층이 균일한 전기도금방법
JP2002235191A (ja) * 2001-02-07 2002-08-23 Nkk Corp 鋼帯の電気めっき装置および電気めっき鋼帯の製造方法
JP2004315922A (ja) * 2003-04-18 2004-11-11 Nippon Steel Corp 連続式電気めっき設備のエッジマスク装置
JP2009173952A (ja) * 2008-01-21 2009-08-06 Nippon Mining & Metals Co Ltd エッジオーバーコート防止装置及びそれを用いた電気めっき材の製造方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4389940A1 (fr) * 2022-12-21 2024-06-26 John Cockerill SA Dispositif pour une electrodeposition anti-dendrites
WO2024132980A1 (fr) * 2022-12-21 2024-06-27 John Cockerill Sa Dispositif pour une electrodeposition anti-dendrites

Also Published As

Publication number Publication date
KR101495419B1 (ko) 2015-02-24
CN105189830B (zh) 2018-03-06
JP6089125B2 (ja) 2017-03-01
EP2985367A4 (fr) 2016-12-28
KR20140122768A (ko) 2014-10-21
US20160076166A1 (en) 2016-03-17
CN105189830A (zh) 2015-12-23
JP2016513752A (ja) 2016-05-16
EP2985367A1 (fr) 2016-02-17

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