CN215856412U - Electroplating clamping device and electroplating device - Google Patents

Abstract

The embodiment of the utility model discloses an electroplating clamping device, which relates to the technical field of photovoltaic, and comprises a first half shaft rod, a second half shaft rod and a plurality of conductive clamping pieces, wherein the first half shaft rod is provided with a first boss and a first groove, the second half shaft rod is provided with a second boss and a second groove, and the first clamping assembly and the second clamping assembly are provided with insulating coatings. When the first half shaft rod is buckled with the second half shaft rod, the buckling gaps are provided with insulating coatings, so that the first clamping assembly and the second clamping assembly are isolated and insulated, and the same parts of all the conductive clamping pieces can be positioned on the same connecting line. Different input currents are loaded on the first clamping assembly and the second clamping assembly respectively, electroplating of grid lines of different specifications can be achieved by the aid of the conductive clamping pieces of the same specification, consistency of contact positions of the conductive clamping pieces and the solar cell is improved, and accordingly yield of electroplated solar cells is improved.

Description

Electroplating clamping device and electroplating device

Technical Field

The utility model relates to the technical field of photovoltaics, in particular to an electroplating clamping device and an electroplating device.

Background

At present, the electrode preparation process of the existing solar cell mainly uses a screen printing process, and an electroplating technology is increasingly and widely researched as a novel electrode preparation method. The electroplated electrode has higher height-width ratio and better conductivity compared with the screen printing electrode, so that the internal resistance of the cell is reduced, and the loss of shading and the like is reduced, thereby further improving the photoelectric conversion efficiency of the solar cell. Electroplating is used as a promising electrode preparation method, and the cost in the solar cell production process can be greatly reduced.

In the existing electroplating method, when the grid lines with different specifications are electroplated, the conductive clamping pieces with different specifications and sizes are usually connected with different power supplies respectively, and an insulating piece is adopted for insulation and isolation.

Because the specification and size of the conductive clamping piece are different, in the electroplating process, when the conductive clamping piece with different specification and size is in contact with the solar cell, the consistency of the contact position is poor, so that the quality of the electroplated grid line is influenced, and the yield of the electroplated solar cell is low.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electroplating clamping device and an electroplating device, and aims to solve the problems that in the electroplating process, when conductive clamping pieces with different specifications and sizes are in contact with solar cells, the consistency of contact positions is poor, and the yield of the electroplated solar cells is low.

In a first aspect, the present invention discloses an electroplating clamping device, comprising:

the device comprises a first half shaft rod, a second half shaft rod and a plurality of conductive clamping pieces;

the conductive clamping piece is divided into a first conductive clamping piece and a second conductive clamping piece;

the surface of the first half shaft rod is provided with a first boss and a first groove;

a second boss and a second groove are formed in the surface of the second half shaft rod;

the first conductive clamping piece and the second conductive clamping piece are respectively in conductive connection with the first boss and the second boss; or the first conductive clamping piece and the second conductive clamping piece are respectively and electrically connected to the first groove and the second groove;

the first half shaft rod and the first conductive clamping piece form a first clamping assembly, and the second half shaft rod and the second conductive clamping piece form a second clamping assembly; the surfaces of the first clamping assembly and the second clamping assembly are provided with insulating coatings;

when the first clamping assembly and the second clamping assembly are buckled together, the first bosses are buckled with the corresponding second grooves, and the first grooves are buckled with the corresponding second bosses;

the same parts of the conductive clamping pieces are all positioned on the same connecting line.

In a second aspect, the present invention discloses an electroplating apparatus, comprising: an electroplating power supply and the electroplating clamping device;

the electroplating power supply comprises a first electroplating power supply and a second electroplating power supply, and the output currents of the first electroplating power supply and the second electroplating power supply are different;

the first electroplating power supply is electrically connected with the first clamping assembly;

the second electroplating power supply is electrically connected with the second clamping assembly.

In the embodiment of the utility model, the electroplating clamping device comprises a first half shaft rod, a second half shaft rod and a plurality of conductive clamping pieces; the first half shaft rod is provided with a first boss and a first groove, the second half shaft rod is provided with a second boss and a second groove, and the first boss and the second boss are both connected with a conductive clamping piece, or the first groove and the second groove are both connected with a conductive clamping piece; first semi-axis pole and electrically conductive holder constitute first centre gripping subassembly, and second semi-axis pole and electrically conductive holder are connected and are constituted second centre gripping subassembly, and first centre gripping subassembly and second centre gripping subassembly all are provided with insulating coating. When the first half shaft rod is buckled with the second half shaft rod, namely the first boss is buckled with the second groove, when the first groove is buckled with the second boss, the insulating coating is arranged in the buckling gap, the isolation and insulation of the first clamping assembly and the second clamping assembly can be ensured, the same parts of all the conductive clamping pieces are positioned on the same connecting line, and the correction of the height difference is not required to be carried out by adopting the conductive clamping pieces with different specifications. Different input currents are loaded on the first clamping assembly and the second clamping assembly respectively, electroplating of grid lines of different specifications can be achieved by the aid of the conductive clamping pieces of the same specification, consistency of contact positions of the conductive clamping pieces and the solar cell is improved, and accordingly yield of electroplated solar cells is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.

FIG. 1 is a first schematic view of an electroplating clamping device according to an embodiment of the present invention;

FIG. 2 is a schematic diagram showing a partial enlarged structure at I in FIG. 1 according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a second electroplating clamping device in an embodiment of the present invention;

FIG. 4 is a schematic diagram showing a partial enlarged structure at II in FIG. 3 according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a plating clamping device according to an embodiment of the present invention;

FIG. 6 is a schematic diagram showing a partial enlarged structure at III in FIG. 5 according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of an electroplating clamping device in the embodiment of the utility model.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 6, an embodiment of the present invention discloses an electroplating clamping device for clamping a solar cell, where the electroplating clamping device includes: a first half shaft 10, a second half shaft 20, and a plurality of conductive clamps 30; the conductive clamping member 30 is divided into a first conductive clamping member and a second conductive clamping member; the surface of the first half shaft rod 10 is provided with a first boss 101 and a first groove 102; the surface of the second half shaft rod 20 is provided with a second boss 201 and a second groove 202; the first conductive clamping piece and the second conductive clamping piece are respectively electrically connected to the first boss 101 and the second boss 201 in a conductive manner; or the first conductive clamping piece and the second conductive clamping piece are respectively electrically connected to the first groove 102 and the second groove 202; the first half shaft rod 10 and the first conductive clamping piece form a first clamping assembly, and the second half shaft rod 20 and the second conductive clamping piece form a second clamping assembly; the surfaces of the first clamping assembly and the second clamping assembly are provided with insulating coatings; when the first clamping component and the second clamping component are buckled together, the first boss 101 and the corresponding second groove 202 are buckled with each other, and the first groove 102 and the corresponding second boss 201 are buckled with each other; the same portions of the conductive clamping members 30 are all on the same connecting line.

Specifically, in the embodiment of the present invention, the electroplating clamping device includes a first half shaft 10, a second half shaft 20, and a plurality of conductive clamping members 30; the first half shaft lever 10 and the second half shaft lever 20 are respectively connected to cathodes of an electroplating power supply, and conduct current to the corresponding conductive clamping member 30, so that the conductive clamping member 30 is electrically connected to an electroplating contact of the solar cell, and electroplating of a grid line of the solar cell is realized. First semi-axis pole 10 and second semi-axis pole 20 are parallel to each other along the axis direction, and the cross sectional shape of first semi-axis pole 10 and second semi-axis pole 20 perpendicular to axis can be semi-circular or rectangle, and the cross sectional shape of first semi-axis pole 10 and second semi-axis pole 20 can be the same, is convenient for improve the commonality of spare part, and simultaneously, first semi-axis pole 10 can adopt the mode that integrative division die casting was done with second semi-axis pole 20, is convenient for promote structural strength.

The first half shaft rod 10 is provided with a first boss 101 and a first groove 102 along the axial direction, and the second half shaft rod 20 is provided with a second boss 201 and a second groove 202 along the axial direction; the top surface of the boss and the bottom surface of the recess may be flat to facilitate connection with the conductive clip 30 or to provide an insulating coating. The conductive clamping piece 30 is divided into a first conductive clamping piece and a second conductive clamping piece, a first conductive clamping piece is arranged on the first boss 101 or the first groove 102 on the first half shaft rod 10, a second conductive clamping piece is arranged on the second boss 201 or the second groove 202 on the second half shaft rod 20, and the connection relation between the conductive clamping piece 30 and the first boss 101, the second boss 201, the first groove 102 or the second groove 202 can be welding, conductive adhesive bonding or clamping.

The first half shaft lever 10 is in conductive connection with the first conductive clamping piece to form a first clamping assembly, the second half shaft lever 20 is in conductive connection with the second conductive clamping piece to form a second clamping assembly, in order to avoid mutual interference between the first clamping assembly and the second clamping assembly, the first clamping assembly and the second clamping assembly are both provided with insulating coatings, and when the first clamping assembly and the second clamping assembly are buckled, the insulating coatings can ensure that the first clamping assembly and the second clamping assembly are isolated and insulated. The insulating coating can be made of polytetrafluoroethylene, and the polytetrafluoroethylene has the advantages of high temperature resistance, corrosion resistance, friction resistance, good chemical stability, strong insulating property and the like.

The mode of first centre gripping subassembly and second centre gripping subassembly lock does: the first boss 101 and the second groove 202 are buckled with each other, the first groove 102 and the second boss 201 are buckled with each other, and insulating coatings are arranged in gaps where the first clamping assembly and the second clamping assembly are buckled with each other.

In the embodiment of the present invention, when the first half shaft rod 10 and the second half shaft rod 20 are fastened, that is, the first boss 101 and the second groove 202 are fastened, and the first groove 102 and the second boss 201 are fastened, the insulating coating is disposed in the fastening gap, so as to ensure the insulation of the first clamping assembly and the second clamping assembly, and to enable the same portions of all the conductive clamping members 30 to be on the same connection line, and to eliminate the need to use conductive clamping members 30 of different specifications to correct the height difference. Different input currents are loaded on the first clamping assembly and the second clamping assembly respectively, electroplating of grid lines of different specifications can be achieved by the aid of the conductive clamping piece 30 of the same specification, consistency of contact positions of the conductive clamping piece 30 and the solar cell is improved, and accordingly yield of electroplated solar cells is improved.

Alternatively, as shown in fig. 1 to 6, the first bosses 101 and the first grooves 102 are alternately arranged and spaced apart by a first distance; the second bosses 201 and the second grooves 202 are alternately arranged and spaced apart by a first distance.

Specifically, the first bosses 101 and the first grooves 102 are alternately arranged, the second bosses 201 and the second grooves 202 are alternately arranged, the adjacent bosses and the adjacent grooves are distributed in a step shape, the bosses and the grooves are alternately arranged, so that uniform stress can be ensured when the first clamping assembly and the second clamping assembly are buckled, and the durability of the electroplating clamping assembly is improved.

First distances are respectively arranged between the first boss 101 and the first groove 102 and between the second boss 201 and the second groove 202, and the first distances can be set according to the spacing distance of the conductive clamping piece 30 in the actual electroplating process.

Alternatively, referring to fig. 1 to 6, the conductive clamping member 30 includes a cantilever 301 and a probe 302 for abutting against the solar cell; the first end of the cantilever 301 is fixedly connected to the first boss 101, the second boss 201, the first groove 201 or the second groove 202, the second end of the cantilever 301 is fixedly connected to the probe 302 at an angle, wherein the first end of the cantilever 301 and the second end of the cantilever 301 are opposite.

Specifically, in the embodiment of the present invention, the electroplating clamping device is electrically connected to the solar cell through the conductive clamping member 30. The specific structure of the conductive clamping member 30 comprises a cantilever 301 and a probe 302. The cantilever 301 can be made of metal and has certain elasticity, so that the stable contact between the conductive clamping piece 30 and the solar cell piece is ensured, and the rigid damage to the surface of the solar cell piece can be avoided. One end of the cantilever 301 is fixedly connected with the first boss 101, the second boss 201, the first groove 201 or the second groove 202, and the plane of the cantilever 301 can be parallel to the top surface or the bottom surface of the boss or the groove, so that when the first clamping assembly is buckled with the second clamping assembly, the cantilever 301 can be stably clamped; the connection between the cantilever 301 and the first projection 101, the second projection 201, the first groove 201 or the second groove 202 may be soldering or conductive adhesive bonding. The other end of the cantilever 301 is fixedly connected with the probe 302, and a certain angle is formed between the probe 302 and the cantilever 301, the angle can be 90 degrees, when the cantilever 301 is horizontally installed, the included angle between the probe 302 and the cantilever 301 is 90 degrees, so that the probe 302 can be vertically contacted with the solar cell, and the problem that the contact of the electroplating contact is inaccurate because the probe 302 and the solar cell are easy to slide relatively due to inclined contact is avoided; the connection between the cantilever 301 and the probe 302 can be by soldering or by bonding with conductive adhesive.

After the connection among the first boss 101, the second boss 201, the cantilever 301 and the probe 302 is completed, an insulating coating is integrally sprayed to ensure the insulation between the first clamping component and the second clamping component.

Alternatively, as shown with reference to fig. 1-6, the probe 302 includes a connection portion, a contact; the connecting part is respectively fixedly connected with the cantilever 301 and the contact; along the same direction, the cross-sectional area of the connecting part is larger than that of the contact; the contact is used for being abutted against the solar cell.

Specifically, one end of the probe 302 is fixedly connected to the cantilever 301, and the other end thereof abuts against the solar cell. The specific structure of the probe 302 includes a connection portion and a contact. The connecting portion connects cantilever 301 and contact respectively, and along the equidirectional, the cross sectional area of connecting portion all is greater than the cross sectional area of contact, promptly, the specification and size of connecting portion will be greater than the contact to when connecting portion are connected in cantilever 301, can guarantee great area of contact, area of contact undersize when having avoided the contact directly with cantilever 301, connect unstablely, the poor problem of durability. Meanwhile, the contact has smaller specification and size, and can be accurately abutted against the electroplating contact when being contacted with the solar cell, so that the yield of the electroplated solar cell is improved.

Optionally, referring to fig. 1 to 6, a ball is disposed at one end of the contact close to the solar cell, and the ball is used for abutting against the solar cell.

The solar cell piece electroplating device comprises a contact, a connecting portion, a ball head, a solar cell piece, a ball head, a connecting portion, a solar cell piece and a power supply, wherein the ball head is arranged at one end of the contact, the other end of the contact is abutted to the solar cell piece, the contact is in contact with the solar cell piece through the ball head, stress concentration is avoided due to the fact that stress in all directions of the surface of the ball head is uniform, the solar cell piece is protected to the maximum degree in the electroplating process, and the fragment rate is reduced.

Optionally, the conductive clip 30 is welded to the first boss 101, the second boss 201, the first groove 101, or the second groove 201.

Specifically, the conducting clamping piece 30 and the first boss 101, the second boss 201, the first groove 101 or the second groove 201 can be connected by welding, and the conducting glue is bonded or clamped, preferably, the welding mode can be adopted, so that the conducting efficiency is improved while the stability of connection between the conducting clamping piece 30 and the first boss 101, the second boss 201, the first groove 101 or the second groove 201 is ensured, and the welding has the advantages of low cost, simplicity and convenience in operation and the like.

Alternatively, as shown in fig. 1 to 6, the first half axle 10 is detachably connected to the second half axle 20.

Specifically, the first half shaft 10 and the second half shaft 20 are engaged to clamp the conductive clamping member 30. First half axostylus axostyle 10 adopts the mode of dismantling the connection with second half axostylus axostyle 20, specifically can adopt joint, pin joint or screw connection's mode, through the mode of dismantling the connection, is convenient for assemble first half axostylus axostyle 10 with second half axostylus axostyle 20, has reduced installation cost, simultaneously, when first half axostylus axostyle 10, second half axostylus axostyle 20 or electrically conductive holder 30 break down, also convenient to detach maintains, has reduced cost of maintenance.

Alternatively, referring to fig. 3 and 4, the first half axle rod 10 is provided with a first through hole 103, the second half axle rod 20 is provided with a second through hole 203, and the first half axle rod 10 is screwed with the second half axle rod 20.

Specifically, the first half axle rod 10 is provided with a plurality of first through holes 103, the second half axle rod 20 is provided with a plurality of second through holes 203, each of the first through holes 103 and the second through holes 203 is correspondingly arranged, and the specific number of the first through holes 103 and the second through holes 203 can be determined according to the actual size of the first half axle rod 10 and the second half axle rod 20, which is not limited in the embodiment of the present invention. At first through-hole 103 and second through-hole 203 intercommunication department, accessible screw passes first semi-axis pole 10 and second semi-axis pole 20 in proper order, realizes the screwed connection of first semi-axis pole 10 and second semi-axis pole 20, and the installation and the dismantlement maintenance of being convenient for have reduced installation cost and cost of maintenance.

Optionally, the screw connection is provided with an insulating coating.

Specifically, because the screw has friction when connecting the first half axle rod 10 and the second half axle rod 20, the insulating coating on the surface may be damaged, and in order to avoid the insulating coating on the surfaces of the first half axle rod 10 and the second half axle rod 20 from failing, a second spraying insulating coating may be provided at the screw connection position to ensure the effect of insulation between the first half axle rod 10 and the second half axle rod 20.

Optionally, referring to fig. 7, the electroplating clamping device includes at least two electroplating sections 40, and each electroplating section 40 corresponds to one solar cell; the adjacent electroplating intervals 40 are separated by a second distance; each of the plating sections 40 includes a plurality of the conductive clips 30.

Specifically, along the axis direction of first semi-axis pole 10 or second semi-axis pole 20, be provided with two at least electroplating intervals 40, every electroplating interval 40 corresponds the electroplating position of a solar wafer, and adjacent electroplating interval 40 is apart from the second distance, and the second distance can be selected according to the electroplating demand of reality, when guaranteeing single solar wafer and electroplate the effect, promotes the utilization ratio in electroplating the space. Through setting up two at least electroplating intervals 40, every electroplating interval 40 includes a plurality of electrically conductive holders 30, can increase the quantity of solar wafer when single electroplating, has improved the electroplating productivity.

The embodiment of the utility model also discloses an electroplating device, which comprises: an electroplating power supply and the electroplating clamping device; the electroplating power supply comprises a first electroplating power supply and a second electroplating power supply, and the output currents of the first electroplating power supply and the second electroplating power supply are different; the first electroplating power supply is electrically connected with the first half shaft rod 10; the second plating power source is electrically connected to the second stub shaft 20.

Specifically, in the electroplating process, the cathode of the electroplating power supply is connected with the electroplating clamping device, the electroplating power supply specifically comprises a first electroplating power supply and a second electroplating power supply, and the output currents of the first electroplating power supply and the second electroplating power supply are different. When the grid lines of different specifications are required to be electroplated, the first electroplating power supply can be electrically connected with the first clamping assembly, the second electroplating power supply can be electrically connected with the second clamping assembly, and the first clamping assembly and the second clamping assembly are mutually isolated and insulated, so that different currents can be respectively introduced into the first clamping assembly and the second clamping assembly, interference between the first clamping assembly and the second clamping assembly can be avoided, and the electroplating of the grid lines of different specifications can be realized.

In the embodiment of the present invention, since the electroplating device is provided with the above-mentioned electroplating clamping device, when the first half shaft rod 10 is buckled with the second half shaft rod 20, that is, the first boss 101 is buckled with the second groove 202, and the first groove 102 is buckled with the second boss 201, an insulating coating is provided in the buckling gap, so that the first clamping assembly and the second clamping assembly are isolated and insulated, and the same parts of all the conductive clamping members 30 can be located on the same connection line, and the height difference correction is not required to be performed by using the conductive clamping members 30 of different specifications. Different input currents are loaded on the first clamping assembly and the second clamping assembly respectively, electroplating of grid lines of different specifications can be achieved by the aid of the conductive clamping piece 30 of the same specification, consistency of contact positions of the conductive clamping piece 30 and the solar cell is improved, and accordingly yield of electroplated solar cells is improved.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims (11)

1. The utility model provides an electroplate clamping device for centre gripping solar wafer, its characterized in that electroplates clamping device and includes:

the device comprises a first half shaft rod, a second half shaft rod and a plurality of conductive clamping pieces;

the conductive clamping piece is divided into a first conductive clamping piece and a second conductive clamping piece;

the surface of the first half shaft rod is provided with a first boss and a first groove;

a second boss and a second groove are formed in the surface of the second half shaft rod;

the first conductive clamping piece and the second conductive clamping piece are respectively in conductive connection with the first boss and the second boss; or the first conductive clamping piece and the second conductive clamping piece are respectively and electrically connected to the first groove and the second groove;

the first half shaft rod and the first conductive clamping piece form a first clamping assembly, and the second half shaft rod and the second conductive clamping piece form a second clamping assembly; the surfaces of the first clamping assembly and the second clamping assembly are provided with insulating coatings;

when the first clamping assembly and the second clamping assembly are buckled together, the first bosses are buckled with the corresponding second grooves, and the first grooves are buckled with the corresponding second bosses;

the same parts of the conductive clamping pieces are all positioned on the same connecting line.

2. The plating holding apparatus as claimed in claim 1, wherein said first bosses are alternately arranged with said first grooves and spaced apart by a first distance;

the second bosses and the second grooves are alternately arranged and spaced by a first distance.

3. The plating clamping device of claim 1, wherein the conductive clamping members each comprise a cantilever and a probe for abutting the solar cell sheet;

the first end of the cantilever is fixedly connected with the first boss, the second boss, the first groove or the second groove, the second end of the cantilever is fixedly connected with the probe at an angle, wherein the first end of the cantilever and the second end of the cantilever are opposite.

4. The plating clamp apparatus of claim 3, wherein the probe comprises a connection portion, a contact;

the connecting part is respectively and fixedly connected with the cantilever and the contact;

along the same direction, the cross-sectional area of the connecting part is larger than that of the contact;

the contact is used for being abutted against the solar cell.

5. The electroplating clamping device as claimed in claim 4, wherein a ball head is arranged at one end of the contact close to the solar cell, and the ball head is used for abutting against the solar cell.

6. The plating holding apparatus as claimed in any one of claims 1 to 5, wherein said conductive holding member is welded to said first projection, said second projection, said first groove or said second groove.

7. The plating holding apparatus as recited in claim 1, wherein said first side shaft rod is detachably connected to said second side shaft rod.

8. The plating holding apparatus as claimed in claim 7, wherein said first half shaft is provided with a first through hole, said second half shaft is provided with a second through hole, and said first half shaft is screwed with said second half shaft.

9. An electroplating clamping apparatus according to claim 8, wherein the screw connection is provided with an insulating coating.

10. The electroplating clamping device as claimed in claim 1, wherein the electroplating clamping device comprises at least two electroplating sections, and each electroplating section corresponds to one solar cell; the adjacent electroplating sections are spaced by a second distance;

each electroplating section comprises a plurality of conductive clamping pieces.

11. An electroplating apparatus, comprising: a plating power supply and a plating holding apparatus as claimed in any one of claims 1 to 10;

the electroplating power supply comprises a first electroplating power supply and a second electroplating power supply, and the output currents of the first electroplating power supply and the second electroplating power supply are different;

the first electroplating power supply is electrically connected with the first clamping assembly;

the second electroplating power supply is electrically connected with the second clamping assembly.

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