EP3015573B1 - Système pour galvaniser une bande - Google Patents

Système pour galvaniser une bande Download PDF

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Publication number
EP3015573B1
EP3015573B1 EP14191387.1A EP14191387A EP3015573B1 EP 3015573 B1 EP3015573 B1 EP 3015573B1 EP 14191387 A EP14191387 A EP 14191387A EP 3015573 B1 EP3015573 B1 EP 3015573B1
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EP
European Patent Office
Prior art keywords
electroplating
station
strip
drive
baths
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.)
Active
Application number
EP14191387.1A
Other languages
German (de)
English (en)
Other versions
EP3015573A1 (fr
Inventor
Falko Eidner
Ralf Kretschmer
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.)
FRANZ BINDER GmbH AND CO ELEKTRISCHE BAUELEMENTE KG
Original Assignee
FRANZ BINDER GmbH AND CO ELEKTRISCHE BAUELEMENTE KG
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 FRANZ BINDER GmbH AND CO ELEKTRISCHE BAUELEMENTE KG filed Critical FRANZ BINDER GmbH AND CO ELEKTRISCHE BAUELEMENTE KG
Priority to EP14191387.1A priority Critical patent/EP3015573B1/fr
Priority to US14/928,150 priority patent/US20160122892A1/en
Priority to CN201510727569.2A priority patent/CN105568338A/zh
Publication of EP3015573A1 publication Critical patent/EP3015573A1/fr
Application granted granted Critical
Publication of EP3015573B1 publication Critical patent/EP3015573B1/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
    • C25D7/00—Electroplating characterised by the article coated
    • C25D7/06—Wires; Strips; Foils
    • C25D7/0614—Strips or foils
    • C25D7/0664—Isolating rolls
    • 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
    • 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
    • C25D7/0621—In horizontal cells
    • 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
    • C25D7/0635—In radial cells
    • 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
    • C25D7/0671—Selective plating

Definitions

  • the invention relates to a system for the continuous galvanizing of at least one area of a strip with an unwinding station from which the ungalvanized strip is unwound and fed to a first galvanizing station and with a driven winding station in which the galvanized strip is wound up, as well as with a control device.
  • electroplating bath is generally intended to mean any bath that may be necessary for an electroplating process.
  • pre-treatment baths electrolyte cells and the like.
  • jet plating device From the US 4,036,725 A so-called jet plating device is known in which the coating is carried out using a jet.
  • the jets are directed radially outwards and emerge from “fluid jet members”, each of which has a nozzle.
  • the nozzles are stored in a stationary central device. Two “rim members” rotate around this stationary device, between which a gap remains through which the liquid jets hit the band on the outside of both "rim members” and covering the gap. In this way, the strip of the tape covering the gap is coated
  • a major advantage of the invention is the relatively small space requirement, since the bathrooms are no longer arranged in a row, but are essentially circular to optimize space.
  • a typical system according to the invention has a space requirement of approximately 9m x 9m.
  • Another advantage is the low waste. This is significantly lower or even eliminated completely, because when the band is fed to the holding device and is clamped between the outer edge and the drive band, it can be conveyed through the electroplating baths.
  • the drive belt fulfills two functions, namely that of the drive and a holding function for holding the belt.
  • the electroplating baths arranged below the mounting device are easily accessible and can be replaced very easily.
  • the unwinding station is usually powered. Then the drive speed of the electroplating station and the unwinding should match exactly.
  • the speed of the drive of the unwinding station is adapted to the drive speed of the holding device via a first speed adjustment device.
  • the first speed adjustment device can be designed in such a way that it has a laterally movable roller over which the unwound tape runs and which keeps the tape in tension.
  • the deflection is recorded by the control device.
  • the control device can then adapt the drive of the unwinding station by controlling it to a target deflection.
  • the first electroplating station has a pre-stressed feed roller for correctly feeding the strip between the outer edge of the holding device and the drive belt.
  • the winding station also has a speed adjustment device for adapting the drive of the winding station to the drive speed of the holding device.
  • the system according to the invention can be expanded in the simplest way by simply providing a second or even third electroplating station as required.
  • the second and subsequent electroplating stations are constructed identically to the first.
  • the belt is then guided from the first to the second and, if necessary, to the next station.
  • the second galvanizing station has a further speed adjustment device, to which a feed roller of the second galvanizing station is assigned and which is kept biased, so that a change in the deflection is a measure of a speed difference between the drives of the two galvanizing stations, which is determined by the control device is recorded and adjusted.
  • the drive speed of the second electroplating station is thus regulated to the speed of the first station.
  • each additional electroplating station that is used is regulated according to its predecessor, i.e. the station that is upstream. Overall, the drive speed is then determined by the first station.
  • a very space-saving and advantageous arrangement according to the invention results when the electroplating baths of an electroplating station are arranged hexagonally and form five sides of a hexagon. Then the available space can be optimally used and the bathrooms can still be replaced very easily.
  • the belt is fed in and out via the sixth side of the hexagon.
  • every electroplating bath has an electrical connection and an electrical connection via the electrical connection Coding characterizing the respective electroplating bath can be transmitted to the control device. All information about the bathroom is then available directly in the control device and a specific program can be used immediately.
  • a system 10 for the continuous electroplating of a strip 12 comprises an unwinding station 14, from which the ungalvanized strip 12 is unwound and fed to a first electroplating station 16.
  • the system 10 further comprises a driven winding station 18, in which the galvanized strip 12 is wound, and a control device 20.
  • the unwinding station 14 has a supply roll 14-1 on which the strip 12 to be galvanized is stored, a guide roller 14-2 for correctly guiding the strip 12 and an unwinding drive 14-3.
  • the first electroplating station 16 comprises a circular, horizontally lying holding device 22.
  • the holding device 22 consists of a metal ring 24, which is held via holding rollers 26.
  • the ring 24 can rotate in the horizontal plane about a vertical axis.
  • the ring 24 is made of stainless steel, for example.
  • the ring 24 is driven by an endless drive belt 30.
  • the drive belt 30 lies against the outer edge 28 over part of the circumference and is returned via guide rollers 32 and a drive roller 34.
  • the drive roller 34 is driven by a ring drive 35 so that the ring 24 of the holding device 22 rotates.
  • the strip 12 to be galvanized is shown in a side view Fig. 2 shown.
  • the band 12 can, for example, be a stamped band which has connected parts 36, eg plug pins, arranged in a row, one end 38 of which is to be galvanized and which are then separated by punching in a later different process.
  • the band 12 should therefore be galvanized at least in the area that has the ends 38 of the parts 36.
  • the band 12 can be held in the other end region 39
  • the band 12 is captured by a pre-tensioned guide roller 40 and guided between the outer edge 28 of the ring 24 and the drive band 30, so that it is held non-slip and is carried along with the rotating ring 24.
  • the band 12 is inserted in such a way that only its upper region is gripped by the outer edge 28 and drive band 30 and the region to be galvanized (ends 38) protrudes downwards.
  • the metal ring 24 makes electrical contact with the band 12 so that it can also be galvanized.
  • the ring 24 itself is electrically contacted via sliding contacts.
  • Electroplating bath 42 generally refers to any bath that may be necessary for an electroplating process. These are pre-treatment baths, electrolyte cells and the like.
  • These bathrooms 42 have a top view ( Fig. 1 ) in the system according to the invention a trapezoidal shape, so that when lined up they form a hexagonal shape and each bath 42 forms one side of the hexagon. This means that the part-circular space below the holding device 22 is optimally utilized. This means that five electroplating baths can be arranged in one electroplating station. The band 12 is inserted over the remaining sixth side of the hexagon as described and also carried out. The belt 12 is thus continuously guided through each of the five baths 42 and treated there accordingly.
  • Fig. 3 shows a perspective view of such an electroplating bath 42.
  • the bath has a central basin 42-1, in which z. B. electrodes are located and through which the band 12 is conveyed in order to be galvanized.
  • the bath 42 also has an overflow basin 42-2 for collecting the electrolyte, a pump system 42-3 and an electrical connection, not shown. If necessary, the bath 42 may include additional components such as heaters, rectifiers, and the like. All components of an electroplating bath 42 are stored on a frame 42-4 that rests on rollers 42-5 and thus forms a carriage.
  • At least the basins 42-1 and 42-2 can be adjusted in height in order to be able to move the electroplating bath 42 out of the electroplating station 16 after lowering and in this way to be able to easily replace the baths 42.
  • a galvanizing system 10 according to the invention can therefore be converted very quickly and easily to various galvanizing processes.
  • the strip 12 is taken out of the electroplating station 16 via a further guide roller 44 and fed to the winding station 18.
  • the winding station 18 is constructed similarly to the unwinding station 14 and has a roller 18-1 on which the band 12 is wound, a guide roller 18-2 for correctly feeding the band 12 and a winding drive 18-3.
  • a first speed adjustment device is provided for synchronization between the unwinding station 14 and the electroplating station 16. This works as follows.
  • the guide roller 14-2 is mounted movably, namely laterally deflectable and prestressed, which is indicated by the double arrow 50.
  • the deflection of the guide roller 14-2 or an arm on which the guide roller 14-2 can be mounted is detected by the control device 20, which is represented by the connecting line 52.
  • the control device 20 now regulates the unwinding drive 14-3 so that the deflection always corresponds to a target deflection.
  • the unwinding drive 14-2 is thus controlled to the ring drive. This specifies the conveying speed.
  • the band 12 then always has the same, correct tension.
  • the winding drive 18-3 is regulated via the control device 20 with a second speed adjustment device with the aid of the guide roller 18-2, the deflection of which is also recorded.
  • the control device 20 is housed in a control cabinet, on the touch panel of which all parameters such as temperatures, speeds and currents can be displayed or changed.
  • the rectifiers of all cells supply current and voltage.
  • the speed of the system is infinitely adjustable from 0 to a maximum speed.
  • Fig. 4 a further embodiment of the system according to the invention is shown.
  • the five baths 42 of the first electroplating station 16 may not be enough for certain electroplating tasks.
  • the system can be expanded in the simplest way by inserting a further electroplating station 16-2 between the first electroplating station 16 and the winding station 18.
  • the second electroplating station 16-2 is constructed identically to the first.
  • the tape 12 After leaving the first station 16 (after the guide roller 44), the tape 12 is fed to the guide roller 40-2 of the second station 16-2. As in the first station, the strip 12 is guided by means of the ring 24-2 through the electroplating baths 42-2 of the second station 16-2 and finally fed via the guide roller 44-2 to the winding station 18 and wound up there.
  • the invention has the principle that the relevant speed is that of the ring drive 35 of the first station 16.
  • the entire control is again carried out by the control device 20.
  • the control via the first speed adjustment device between the unwinding station and the first electroplating station 16 remains unchanged.
  • the ring drive 35-2 of the second electroplating station 16-2 is controlled in such a way that the deflection (double arrow 60) of the guide roller 40-2, which is also mounted in a deflectable prestressed manner, is detected and fed to the control device 20 as a controlled variable, so that the ring drive 35-2 is so It is regulated that there is a target deflection of the guide roller 40-2.
  • the control between the second electroplating station 16-2 and the winding station 18 takes place as in the first exemplary embodiment Fig. 1 the control between the first electroplating station 16 and the winding station 18.
  • the system 10 can be expanded in the same way by a third or even more electroplating stations. It makes sense that the drive speed of each additional electroplating station that is used is regulated according to its predecessor, i.e. the station that is upstream. Overall, the drive speed is then determined by the first station.
  • a further galvanizing station can be useful, for example, if the strip 12 is not just galvanized in certain areas (at the ends 38) but completely should. Then the end region 38 is galvanized in the first galvanizing station 16 and the band 12 is held in the region 39. Between the first and second galvanizing stations, the band 12 is turned over, i.e. twisted by 180, so that it is inserted the other way around in the second galvanizing station and is held there with the already galvanized end regions 38. The area 39 that was not galvanized in the first galvanizing station 16 now protrudes downwards and can be galvanized in the second galvanizing station 16-2.
  • a code identifying the respective electroplating bath can be transmitted to the control device 20 via the electrical connection. All information about the bathroom is then available directly to the control device 20.

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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)
  • Electroplating Methods And Accessories (AREA)

Claims (10)

  1. Installation (10) de galvanisation en continu d'une zone d'une bande (12) avec un poste de déroulement (14), à partir duquel la bande (12) non galvanisée peut être déroulée et peut être transférée vers un premier poste de galvanisation (16) et avec un poste d'enroulement (18) entrainé, dans lequel la bande (12) galvanisée peut être enroulée, ainsi qu'avec un dispositif de commande (20), où le premier poste de galvanisation (16) comprend :
    - un dispositif de maintien (22) de forme circulaire disposé horizontalement, qui peut être mis en rotation autour d'un axe vertical et sur le bord extérieur (28) duquel la bande (30) peut être maintenue de sorte que la zone (38) à galvaniser dépasse vers le bas,
    - une bande d'entrainement (12) sans fin qui est adjacente sur une partie du périmètre sur le bord extérieur (28) et la bande (30) est maintenue entre le bord extérieur (28) et la bande d'entrainement (30) et peut ainsi être transportée dans la direction du périmètre,
    - un entrainement (35) pour la mise en rotation du dispositif de maintien (22),
    - des bains de galvanisation (42) qui sont distribués sur une partie du périmètre du dispositif de maintien (22) et sont disposés en-dessous du dispositif de maintien (22) de sorte que la zone (38) de la bande (12) à galvaniser peut être transportée à travers les bains (42) et peut y être galvanisée, et dans laquelle le poste de déroulement peut être entrainé et l'entrainement du poste de déroulement peut être adapté en vitesse à la vitesse d'entrainement du dispositif de maintien par le biais d'un premier dispositif d'adaptation de vitesse, caractérisée en ce que les bains de galvanisation (42) présentent un bassin central (42-1), dans lequel se trouvent des électrodes et à travers lequel la bande (12) est transportée pour être galvanisée, ainsi que les bains (42) présentent un bassin à débordement (42-2) pour la récupération de l'électrolyte, un système de pompes (42-3) et un raccordement électrique, où tous les composants du bain de galvanisation (42) sont agencés sur un support (42-4) qui repose sur des rouleaux (42-5) et forme ainsi un chariot, où au moins les bassins (42-1) et (42-2) peuvent être réglés en hauteur de telle manière qu'après un abaissement, le bain de galvanisation (42) peut être quitté à partir du poste de galvanisation (16) et les bains (42) peuvent être simplement échangés de cette manière, et
    les bains de galvanisation ont une forme trapézoïdale de sorte qu'ils donnent lieu à une forme hexagonale lorsqu'ils sont alignés et chaque bain (42) constitue un côté de l'hexagone, où les bains de galvanisation dans un poste de galvanisation forment cinq côtés d'un hexagone et l'entrée et la sortie de la bande ont lieu sur le sixième côté.
  2. Installation selon la revendication 1, caractérisée en ce que le premier dispositif d'adaptation de la vitesse présente un rouleau disposé mobile latéralement par rapport à la direction de transport de la bande (12), par-dessus lequel la bande (12) déroulée peut être menée et qui est approprié pour maintenir la bande (12) sous tension et la déviation du rouleau peut être détectée par le dispositif de commande et l'entrainement du poste de déroulement peut être adapté par le dispositif de commande (20) en ce que l'entrainement du poste de déroulement (14) est réglé à une déviation souhaitée.
  3. Installation selon l'une des revendications précédentes, caractérisée en ce que le premier poste de galvanisation (16) présente un rouleau d'alimentation disposé précontraint pour une alimentation correcte de la bande (12) entre le bord extérieur du dispositif de maintien (22) et la bande d'entrainement (30).
  4. Installation selon l'une des revendications précédentes, caractérisée en ce que le poste d'enroulement (18) présente un deuxième dispositif d'adaptation de vitesse pour l'adaptation de l'entrainement du poste d'enroulement (18) à la vitesse d'entrainement du dispositif de maintien (22).
  5. Installation selon l'une des revendications précédentes, caractérisée en ce qu'au moins un deuxième poste de galvanisation (16-2) est prévu qui peut être accédé par la bande quittant le premier poste de galvanisation (16).
  6. Installation selon la revendication 5, caractérisée en ce que le deuxième poste de galvanisation (16-2) présente un autre dispositif d'adaptation de vitesse auquel est associé un rouleau d'alimentation du deuxième poste de galvanisation (16-2) et qui peut être maintenu précontraint en déviation latéralement de sorte qu'une modification de la déviation est une mesure pour une différence de vitesse des entraînements des deux postes de galvanisation (16, 16-2), qui peut être détectée et réglée par le dispositif de commande (20).
  7. Installation selon l'une des revendications précédentes, caractérisée en ce que tous les entraînements à régler après l'entrainement du premier poste de galvanisation (16) peuvent être conduits par le dispositif de commande (20).
  8. Installation selon l'une des revendications précédentes, caractérisée en ce qu'un troisième poste de galvanisation est prévu.
  9. Installation selon l'une des revendications précédentes, caractérisée en ce que chaque bain de galvanisation (42, 42-2) présente un raccordement électrique et que par le biais du raccordement électriquement, un codage caractérisant le bain de galvanisation (42) respectif peut être transmis au dispositif de commande (20).
  10. Installation selon l'une des revendications précédentes, caractérisée en ce que le poste de déroulement (14) et/ou le poste d'enroulement (18) reposent sur des roues.
EP14191387.1A 2014-10-31 2014-10-31 Système pour galvaniser une bande Active EP3015573B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP14191387.1A EP3015573B1 (fr) 2014-10-31 2014-10-31 Système pour galvaniser une bande
US14/928,150 US20160122892A1 (en) 2014-10-31 2015-10-30 System for electroplating a strip
CN201510727569.2A CN105568338A (zh) 2014-10-31 2015-10-30 用于电镀条带的系统

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14191387.1A EP3015573B1 (fr) 2014-10-31 2014-10-31 Système pour galvaniser une bande

Publications (2)

Publication Number Publication Date
EP3015573A1 EP3015573A1 (fr) 2016-05-04
EP3015573B1 true EP3015573B1 (fr) 2023-12-06

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EP14191387.1A Active EP3015573B1 (fr) 2014-10-31 2014-10-31 Système pour galvaniser une bande

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US (1) US20160122892A1 (fr)
EP (1) EP3015573B1 (fr)
CN (1) CN105568338A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106702468B (zh) * 2016-12-30 2021-05-28 北京工业大学 一种等电位立式全浸没阴极高效连续制备金属薄膜的方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4553501A (en) * 1984-03-14 1985-11-19 Shinko Electric Industries Co., Ltd. Selective plating apparatus

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2324834C2 (de) * 1973-05-17 1978-09-07 Dr. Eugen Duerrwaechter Doduco, 7530 Pforzheim Vorrichtung zum kontinuierlichen selektiven Bandgalvanisieren
US4036725A (en) * 1975-11-21 1977-07-19 National Semiconductor Corporation Wheel selective jet plating system
GB2104025A (en) 1981-07-16 1983-03-02 Kirkby Process And Equipment L Improvements in or relating to electro-plating machines
US5242562A (en) * 1992-05-27 1993-09-07 Gould Inc. Method and apparatus for forming printed circuits
US5482605A (en) * 1995-02-09 1996-01-09 Taylor; James C. Portable environmental clean plating system
WO2008123211A1 (fr) * 2007-03-28 2008-10-16 Toray Industries, Inc. Soudage par pression de bandes, procédé de soudage par pression, procédé d'alimentation en énergie, dispositif d'alimentation en énergie, dispositif de placage électrolytique continu, et procédé de fabrication d'une bande équipée d'un film de placa
JP2009096491A (ja) * 2007-10-15 2009-05-07 Tokyo Autom Mach Works Ltd 包材供給装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4553501A (en) * 1984-03-14 1985-11-19 Shinko Electric Industries Co., Ltd. Selective plating apparatus

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Publication number Publication date
US20160122892A1 (en) 2016-05-05
CN105568338A (zh) 2016-05-11
EP3015573A1 (fr) 2016-05-04

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