EP3156523B1 - Dispositif de test d'électroplacage en continu simulant différentes vitesses linéaires d'acier en bande - Google Patents

Dispositif de test d'électroplacage en continu simulant différentes vitesses linéaires d'acier en bande Download PDF

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Publication number
EP3156523B1
EP3156523B1 EP14894211.3A EP14894211A EP3156523B1 EP 3156523 B1 EP3156523 B1 EP 3156523B1 EP 14894211 A EP14894211 A EP 14894211A EP 3156523 B1 EP3156523 B1 EP 3156523B1
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EP
European Patent Office
Prior art keywords
working electrode
test apparatus
electrode system
different linear
strip steel
Prior art date
Legal status (The legal status 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 status listed.)
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Application number
EP14894211.3A
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German (de)
English (en)
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EP3156523A4 (fr
EP3156523A1 (fr
Inventor
Rongpin ZHANG
Yongliang LU
Haijun Wang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Meishan Iron and Steel Co Ltd
Original Assignee
Shanghai Meishan Iron and Steel Co Ltd
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Publication date
Application filed by Shanghai Meishan Iron and Steel Co Ltd filed Critical Shanghai Meishan Iron and Steel Co Ltd
Publication of EP3156523A1 publication Critical patent/EP3156523A1/fr
Publication of EP3156523A4 publication Critical patent/EP3156523A4/fr
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Publication of EP3156523B1 publication Critical patent/EP3156523B1/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
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/04—Electroplating with moving electrodes
    • 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
    • C25D17/001—Apparatus specially adapted for electrolytic coating of wafers, e.g. semiconductors or solar cells
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D21/00—Processes for servicing or operating cells for electrolytic coating
    • C25D21/12—Process control or regulation
    • 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
    • C25D7/00—Electroplating characterised by the article coated
    • C25D7/06—Wires; Strips; Foils
    • C25D7/0614—Strips or foils

Definitions

  • the present invention relates to an electroplating test apparatus, and particularly relates to a continuous electroplating test apparatus capable of simulating different linear velocities of strip steel, belonging to the technical field of electroplating.
  • the electroplating process is a complex electrochemical process, and the quality of electroplating products is further related to the plating piece surface conditions, the bath flow conditions, the relative speeds of a bath and a plating piece and other factors in addition to the formula of the bath.
  • Laboratory simulation of electroplating mainly includes two ways of static simulation and dynamic simulation, and the dynamic electroplating way is often used to conduct a test in order to truly reflect the process operating state of electroplating.
  • a test apparatus is known from utility model publication CN2327701Y . In an ordinary dynamic test, only one fixed speed can be selected and used to conduct a simulation test, and the efficiency is relatively low.
  • the continuous electroplating tests of different linear velocities can be conducted through a rotating disk electrode, and a potential variation curve can be monitored by an electrochemical workstation; however, a test piece obtained by the method is smaller, and the morphology analysis on different parts of the test piece cannot be conducted by a scanning microscope to investigate the plating morphology, grains and other information. Therefore, there is a need for a continuous electroplating test apparatus capable of simulating different linear velocities of strip steel.
  • the present invention provides a test apparatus which has skillful structural design, can realize the high-speed continuous electroplating of strip steel, also can obtain the test results of multiple linear velocities through a single test, and is used to evaluate bath limit electroplating performance parameters in order to solve the technical problems existing in the prior art.
  • a continuous electroplating test apparatus capable of simulating different linear velocities of strip steel
  • the test apparatus comprises a supporting underframe, a workbench is arranged on the supporting underframe, a working bath is fixedly arranged on the workbench
  • the test apparatus also comprises a working electrode system, a transmission shaft, an auxiliary electrode and a specimen working electrode, the transmission shaft is connected with the working electrode system, the auxiliary electrode and the working electrode system are both connected with a rectifier to constitute a closed loop
  • the specimen working electrode is arranged on the working electrode system, characterized in that a rotating platform is arranged on the workbench, a vertical lifting motor is connected with the rotating platform to realize a vertical movement; a rotating motor is connected with a moving screw of the vertical lifting motor, and the high-speed rotation of the working electrode system is achieved through the transmission shaft.
  • the function exchange of an anode and a cathode is realized by changing the positive and negative electrodes of the rectifier, so as to realize the simulation of the electroplating and cleaning processes, and the high-speed production process of the strip steel is simulated by adjusting the rotation of the rotating motor.
  • the working electrode system comprises an upper nut, a lower nut, an upper gasket, a lower gasket, polytetrafluoroethylene and a circular sealing ring, the upper and lower sides of the polytetrafluoroethylene are respectively provided with the upper gasket and the lower gasket, and are respectively fixed by the upper nut and the lower nut, and the circular sealing ring is arranged around the polytetrafluoroethylene.
  • the upper nut and the lower nut are used to fix the polytetrafluoroethylene and the working electrode, the polytetrafluoroethylene with a threaded center shaft can be rotated and fastened onto the transmission shaft, the specimen working electrode is punched in the center and then is fitted to the lower surface of the polytetrafluoroethylene, and the working electrode is fixed by the lower nut. Meanwhile, the circular sealing ring is sleeved on the upper surface of the polytetrafluoroethylene and the edge part of the lower surface of the specimen working electrode in a clamping way, so as to prevent the bath from flowing to a part between the polytetrafluoroethylene and the specimen working electrode, causing the movement of the working electrode and affecting the electroplating effect.
  • the diameter of the auxiliary electrode is greater than that of the working electrode system. The phenomenon of uneven distribution of power lines in the electroplating process is avoided.
  • a rotating platform is arranged on the workbench.
  • the platform can freely rotate at an angle of 360 degrees so as to facilitate the conduction of the test.
  • the test apparatus also comprises a moving screw, and the vertical lifting motor drives the moving screw to conduct up-and-down movement.
  • the quantity of the working baths is at least one.
  • seven working baths are arranged and are respectively configured to conduct related work such as pickling, alkali washing, fluxing, soft melting, passivating, electroplating and cleaning.
  • the working electrode system comprises an internal threaded bottom cap, a hexagon socket bolt, an annular seal ring, a stainless steel bottom disc, a spring and an external threaded housing, the transmission shaft and the stainless steel bottom disc are welded together, the spring is fixedly arranged on the transmission shaft through the hexagon socket bolt, the annular sealing ring is embedded in the internal threaded bottom cap, and the internal threaded bottom cap is connected with the external threaded housing through the annular sealing ring, so that a solution can be prevented from entering the working electrode system and affecting the electroplating effect; in the technical solution, when the working electrode system is connected with the transmission shaft, the contact area can be increased through connection of the spring, so that the good electrical conduction effect can be maintained.
  • the working electrode system is fixedly arranged on the transmission shaft through fastening threads.
  • the test apparatus can simulate the whole process of continuous production of the strip steel, comprising alkali washing, pickling, electroplating, passivating and other technological processes; the whole process can be simulated, and a certain technological process can also be independently simulated; the simulation tests do not interfere with one another, so as to further ensure the accuracy of the tests;2) in the technical solution, the independent process of a vertical movement and a rotary movement is realized by a combination way of the rotating motor and the vertical lifting motor; the strip steel obtains certain angular velocities by adjusting the rotational speed of the rotating motor, and the angular velocities are converted into different linear velocities; 3) in the technical solution of the present invention, under a certain angular velocity, the linear velocities of a round steel plate gradually increase from the center to the periphery; through the conversion relationship between the angular velocity and the linear velocity, steel plate specimens of different linear velocities can be obtained by conducting a single test
  • Example 1 Refer to fig. 1 , a continuous electroplating test apparatus capable of simulating different linear velocities of strip steel.
  • the test apparatus comprises a supporting underframe 4, a workbench is arranged on the supporting underframe 4, a working bath 3 is fixedly arranged on the workbench, and the test apparatus also comprises a working electrode system 5, a transmission shaft 11, an auxiliary electrode 9 and a specimen working electrode 18, the transmission shaft 11 is connected with the working electrode system 5, the auxiliary electrode 9 and the working electrode system 5 are both connected with a rectifier to constitute a closed loop, the specimen working electrode 18 is arranged on the working electrode system 5, the function exchange of an anode and a cathode is realized by changing the positive and negative electrodes of the rectifier, so as to realize the simulation of the electroplating and cleaning processes, and the high-speed production process of the strip steel is simulated by adjusting the rotation of a motor.
  • the test apparatus can simulate the whole process of continuous production of the strip steel, comprising alkali washing, pickling, electroplating, passivating and other technological processes.
  • the whole process can be simulated, and a certain technological process can also be independently simulated.
  • the simulation tests do not interfere with one another, so as to further ensure the accuracy of the tests.
  • Example 2 Refer to Fig. 1 , according to the present invention, the motor comprises a rotating motor 1 and a vertical lifting motor 2, the vertical lifting motor 2 is used for realizing a vertical movement, and the rotating motor 1 drives a working motor through the transmission shaft 11 to realize the high-speed rotation of the working electrode system.
  • the remaining structure and advantages are identical to Example 1.
  • Example 3 Refer to Fig. 2 , as an improvement on the present invention, the diameter of the auxiliary electrode 9 is greater than that of the working electrode system 5. The phenomenon of uneven distribution of power lines in the electroplating process is avoided. The remaining structure and advantages are identical to Example 1.
  • Example 4 Refer to Fig. 1 , according to the present invention, a rotating platform (7) is arranged on the workbench.
  • the platform can freely rotate at an angle of 360 degrees so as to facilitate the conduction of the test.
  • the remaining structure and advantages are identical to Example 1.
  • Example 5 Refer to Fig. 1 , according to the present invention, the test apparatus also comprises a moving screw 6, and the vertical lifting motor 2 drives the moving screw 6 to conduct up-and-down movement.
  • the test apparatus also comprises a moving screw 6, and the vertical lifting motor 2 drives the moving screw 6 to conduct up-and-down movement.
  • the remaining structure and advantages are identical to Example 1.
  • Example 6 Refer to Fig. 1 , as an improvement on the present invention, the quantity of the working bath 3 is at least one. Generally, seven working baths are arranged and are respectively configured to conduct related work such as pickling, alkali washing, fluxing, soft melting, passivating, electroplating and cleaning. The remaining structure and advantages are identical to Example 1.
  • the working electrode system 5 comprises an upper nut 12, a lower nut 13, an upper gasket 14, a lower gasket 15, polytetrafluoroethylene 16 and a circular sealing ring 17, the upper and lower sides of the polytetrafluoroethylene 16 are respectively provided with the upper gasket 14 and the lower gasket 15, and are respectively fixed by the upper nut 12 and the lower nut 13, and the circular sealing ring 17 is arranged around the polytetrafluoroethylene.
  • the upper nut 12 and the lower nut 13 are configured to fix the polytetrafluoroethylene 16 and the specimen working electrode 18, the polytetrafluoroethylene with a threaded center shaft can be rotated and fastened onto the transmission shaft 11, the specimen working electrode 18 is punched in the center and then is fitted to the lower surface of the polytetrafluoroethylene 16, and the specimen working electrode 18 is fixed by the lower nut.
  • the circular sealing ring 17 is sleeved on the upper surface of the polytetrafluoroethylene and the edge part of the lower surface of the specimen working electrode in a clamping way, so as to prevent bath from flowing to a part between the polytetrafluoroethylene and the specimen working electrode, causing the movement of the specimen working electrode, and affecting the electroplating effect.
  • the remaining structure and advantages are identical to Example 1.
  • the working electrode system 5 comprises an internal threaded bottom cap 20, a hexagon socket bolt 21, an annular seal ring 22, a stainless steel bottom disc 23, a spring 24 and an external threaded housing 26, the transmission shaft 11 and the stainless steel bottom disc 23 are welded together, the spring 24 is fixedly arranged on the transmission shaft 11 through the hexagon socket bolt 21, the annular sealing ring 22 is embedded in the internal threaded bottom cap 20, and the internal threaded bottom cap 20 is connected with the external threaded housing 26 through the annular sealing ring 22, so that a solution is prevented from entering the working electrode system and affecting the electroplating effect; in the technical solution, when the working electrode system 5 is connected with the transmission shaft 11, the contact area can be increased through connection of the spring 24, so that the good electrical conduction effect can be maintained.
  • the remaining structure and advantages are identical to Example 1.
  • the test process is briefly described as follows: first, a wafer with a diameter of 10 cm is cut to be ready for use, and the working electrode system is fixedly arranged on the transmission shaft 11 through the fastening threads 25; then, the circular working electrode is stuck to the bottom of the stainless steel bottom disc 23, the internal threaded bottom cap 20 with the embedded annular sealing ring 22 is screwed onto the external threaded housing 26, and the test can be started by turning on a power supply; finally, after the test is finished, the internal threaded bottom cap is unscrewed, so that the circular working electrode can be removed.
  • a novel embodiment can also be formed by a combination of at least one of the technical characteristics of Examples 2, 3, 4, 5, 6 and 7 and Example 1.
  • a novel embodiment can also be formed by a combination of at least one of the technical characteristics of Examples 2, 3, 4, 5 ,6 and 8 and Example 1.

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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)
  • Automation & Control Theory (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Electroplating Methods And Accessories (AREA)

Claims (7)

  1. Un dispositif de test pour simuler l'électroplacage continu de bande d'acier à différentes vitesses, caractérisé en ce que, ledit dispositif de test comprend un support (4), ledit support (4) étant doté d'un banc de travail, un bac de travail (3) étant fixé sur ledit banc de travail, ledit dispositif de test comprend en outre un système d'électrode de travail (5), un arbre de transmission (11), une électrode auxiliaire (9) et une électrode de travail d'échantillon (18), ledit arbre de transmission (11) étant connecté audit système d'électrode de travail (5), ladite électrode auxiliaire (9) et ledit système d'électrode de travail (5) étant connectés à un redresseur et formant un circuit fermé, ladite électrode de travail d'échantillon (18) étant agencée sur le système d'électrode de travail (5), ledit banc de travail étant doté d'une plate-forme rotative (7), le moteur de levage vertical (2) étant connecté à la plateforme rotative (7) afin d'effectuer un mouvement vertical ; le moteur rotatif (1) étant connecté aux vis mobiles du moteur de levage vertical (2), la rotation à grande vitesse du système d'électrode de travail étant réalisée par l'arbre de transmission (11).
  2. Un dispositif de test pour simuler l'électroplacage continu de bande d'acier à différentes vitesses selon la revendication 1, caractérisé en ce que, le diamètre de ladite électrode auxiliaire est supérieur au diamètre du système d'électrode de travail.
  3. Un dispositif de test pour simuler l'électroplacage continu de bande d'acier à différentes vitesses selon la revendication 1 ou 2, caractérisé en ce que, ledit dispositif de test comprend des vis mobiles, le moteur rotatif étant connecté aux vis mobiles, ledit moteur de levage vertical entraînant les mouvements vers le haut et le bas du moteur rotatif et du système d'électrode de travail via les vis mobiles.
  4. Un dispositif de test pour simuler l'électroplacage continu de bande d'acier à différentes vitesses selon la revendication 3, caractérisé en ce que, le nombre dudit bac de travail est d'au moins un.
  5. Un dispositif de test pour simuler l'électroplacage continu de bande d'acier à différentes vitesses selon la revendication 4, caractérisé en ce que, ledit système d'électrode de travail comprend un écrou supérieur, un écrou inférieur, une rondelle supérieure, une rondelle inférieure, un joint de forme ronde en polytétrafluoroéthylène, le dessus et le dessous du polytétrafluoroéthylène étant respectivement dotés d'une rondelle supérieure et d'une rondelle inférieure, fixées respectivement par l'écrou supérieur et l'écrou inférieur, un joint de forme ronde étant agencé à leur périphérie, et ajusté à la surface du polytétrafluoroéthylène une fois qu'un orifice est perforé au centre de ladite électrode de travail d'échantillon, et fixant l'électrode de travail d'échantillon via un écrou.
  6. Un dispositif de test pour simuler l'électroplacage continu de bande d'acier à différentes vitesses selon la revendication 4, caractérisé en ce que, ledit système d'électrode de travail comprend un couvercle de fond à filetage interne, une vis à six pans creux, un joint de forme ronde, un couvercle de fond en acier inoxydable, un ressort et une enveloppe à filetage externe, ledit arbre de transmission et le couvercle de fond en acier inoxydable étant soudés, ledit ressort étant fixé sur ledit arbre de transmission via la vis à six pans creux, un joint de forme circulaire est incorporé audit couvercle de fond à filetage interne, le couvercle de fond à filetage interne étant connecté à l'enveloppe à filetage externe via le joint de forme circulaire, ladite électrode de travail de forme ronde étant accolée à la base du châssis en acier inoxydable.
  7. Un dispositif de test pour simuler l'électroplacage continu de bande d'acier à différentes vitesses selon la revendication 5 ou 6, caractérisé en ce que, ledit système d'électrode de travail est fixé sur l'arbre de transmission via un filetage serré.
EP14894211.3A 2014-06-11 2014-11-29 Dispositif de test d'électroplacage en continu simulant différentes vitesses linéaires d'acier en bande Active EP3156523B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410256977 2014-06-11
PCT/CN2014/092599 WO2015188597A1 (fr) 2014-06-11 2014-11-29 Dispositif de test d'électroplacage en continu simulant différentes vitesses linéaires d'acier en bande

Publications (3)

Publication Number Publication Date
EP3156523A1 EP3156523A1 (fr) 2017-04-19
EP3156523A4 EP3156523A4 (fr) 2018-01-24
EP3156523B1 true EP3156523B1 (fr) 2019-03-27

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EP14894211.3A Active EP3156523B1 (fr) 2014-06-11 2014-11-29 Dispositif de test d'électroplacage en continu simulant différentes vitesses linéaires d'acier en bande

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EP (1) EP3156523B1 (fr)
CN (1) CN105316739B (fr)
WO (1) WO2015188597A1 (fr)

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Publication number Priority date Publication date Assignee Title
CN107287649A (zh) * 2016-03-30 2017-10-24 上海梅山钢铁股份有限公司 高速镀锡板生产模拟试验装置及试验方法
CN108360048A (zh) * 2018-04-23 2018-08-03 苏州普瑞得电子有限公司 一种连接器端子电镀模具
CN111781256B (zh) * 2020-07-20 2022-11-29 中国人民解放军陆军装甲兵学院 一种用于电化学测试的通用电解池

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WO1995032322A1 (fr) * 1994-05-24 1995-11-30 Toyo Kohan Co., Ltd. Appareil pour le traitement d'une bande
US6159354A (en) * 1997-11-13 2000-12-12 Novellus Systems, Inc. Electric potential shaping method for electroplating
CN2327701Y (zh) * 1998-04-29 1999-07-07 宝山钢铁(集团)公司 高速电镀工艺试验装置
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CN203639590U (zh) * 2013-12-27 2014-06-11 华纳国际（铜陵）电子材料有限公司 一种铜箔电镀试验机
CN203960377U (zh) * 2014-06-11 2014-11-26 上海梅山钢铁股份有限公司 模拟带钢高速连续电镀的工作电极系统及电镀试验装置

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Also Published As

Publication number Publication date
EP3156523A4 (fr) 2018-01-24
CN105316739A (zh) 2016-02-10
EP3156523A1 (fr) 2017-04-19
WO2015188597A1 (fr) 2015-12-17
CN105316739B (zh) 2017-10-20

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