CN216712304U - Treatment tank, electroplating bath and electroplating device - Google Patents
Treatment tank, electroplating bath and electroplating device Download PDFInfo
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- CN216712304U CN216712304U CN202122814431.XU CN202122814431U CN216712304U CN 216712304 U CN216712304 U CN 216712304U CN 202122814431 U CN202122814431 U CN 202122814431U CN 216712304 U CN216712304 U CN 216712304U
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Abstract
The application discloses treatment tank, plating bath and electroplating device, treatment tank and plating bath comprise cell body, uniform flow board and feed liquor coil pipe. The bath body comprises a liquid supply cavity and a cleaning cavity or an electroplating cavity, the liquid supply cavity is positioned at the lower part of the cleaning cavity or the electroplating cavity, a flow equalizing plate is arranged between the liquid supply cavity and the cleaning cavity or the electroplating cavity, and the flow equalizing plate is provided with convection holes. The liquid inlet coil pipe is arranged in the liquid supply cavity, cleaning liquid or electroplating liquid can be provided for the interior of the tank body through the liquid inlet coil pipe, the cleaning cavity is used for accommodating the battery piece to clean the battery piece, and the anode plate is arranged in the electroplating cavity and used for electroplating the battery piece. And the cleaning solution or the electroplating solution passes through the flow equalizing plate and is then conveyed into the cleaning cavity or the electroplating cavity for cleaning or electroplating the battery piece. The cleaning liquid or the electroplating liquid passes through the convection holes of the uniform flow plate, so that the impact force of the cleaning liquid or the electroplating liquid on the battery piece is reduced, the damage and the fragment risk of the battery piece are reduced, and the surface cleaning and electroplating quality of the battery piece is improved.
Description
Technical Field
The application belongs to the technical field of electroplating, and in particular relates to a treatment tank, an electroplating tank and an electroplating device.
Background
In the preparation of crystalline silicon solar cells, silicon wafers are subjected to various contaminations in the aspects of equipment, tools, abrasives, environment and the like during cutting, transporting and processing, and the contaminations are required to be cleaned and removed before the electroplating of the cells, and then the electroplating of the cells is carried out.
In the prior art, a battery piece to be cleaned or electroplated is mounted on a hanger by an electroplating carrier to clean or electroplate the battery piece, cleaning liquid or electroplating liquid is conveyed to the surface of the battery piece from the bottom of a tank by a spray pump, and the battery piece close to the bottom of a treatment tank or an electroplating tank is greatly impacted by the cleaning liquid or the electroplating liquid, so that the coating quality difference of the battery piece is large.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application aims to provide a treatment tank, a plating tank and a plating device, which can solve the problem that the surface of a battery piece is greatly impacted by cleaning liquid or plating liquid.
In order to solve the technical problem, the present application is implemented as follows:
in a first aspect, an embodiment of the present application provides a processing tank, including: the device comprises a tank body, a uniform flow plate and a liquid inlet coil pipe;
the groove body comprises a liquid supply cavity and a cleaning cavity which are distributed up and down along the depth direction, and the liquid supply cavity is positioned at the lower part of the cleaning cavity;
the flow equalizing plate is arranged between the liquid supply cavity and the cleaning cavity and is provided with a convection hole for communicating the liquid supply cavity and the cleaning cavity;
the feed liquor coil pipe arrange in supply in the liquid cavity to provide the washing liquid in the cell body, clean chamber is used for holding the battery piece is in order to right the battery piece washs.
In a second aspect, embodiments of the present application also provide a plating cell, including: the device comprises a tank body, a uniform flow plate and a liquid inlet coil pipe;
the tank body comprises a liquid supply cavity and an electroplating cavity which are distributed up and down along the depth direction, and the liquid supply cavity is positioned at the lower part of the electroplating cavity;
the flow equalizing plate is arranged between the liquid supply cavity and the electroplating cavity, and is provided with convection holes for communicating the liquid supply cavity and the electroplating cavity;
the feed liquor coil pipe arrange in supply in the liquid chamber to provide the plating solution in the cell body, it is right to arrange the anode plate in the plating chamber be used for the battery piece electroplates.
In a third aspect, embodiments of the present application further provide an electroplating apparatus, where the electroplating apparatus includes any one of the treatment tanks described in the first aspect of the embodiments of the present application and/or any one of the electroplating tanks described in the second aspect of the embodiments of the present application.
In the embodiment of the application, a treatment tank, an electroplating tank and an electroplating device are provided, wherein the treatment tank and the electroplating tank are composed of a tank body, a uniform flow plate and a liquid inlet coil pipe. The device comprises a tank body, a treatment tank, a liquid supply cavity, an electroplating cavity, a liquid distribution plate and a liquid distribution plate, wherein the tank body is distributed up and down along the depth direction of the tank body, the tank body of the treatment tank consists of the liquid supply cavity and the cleaning cavity, the liquid supply cavity consists of the liquid supply cavity and the electroplating cavity, the liquid supply cavity is positioned at the lower part of the cleaning cavity or the electroplating cavity, the liquid supply cavity and the cleaning cavity or the electroplating cavity are provided with the flow distribution plate therebetween, and the flow distribution plate is provided with convection holes so as to communicate the liquid supply cavity with the cleaning cavity or the electroplating cavity. The liquid inlet coil pipe is arranged in the liquid supply cavity, cleaning liquid or electroplating liquid can be provided for the interior of the tank body through the liquid inlet coil pipe, the cleaning cavity is used for containing the battery piece to clean the battery piece, and the anode plate is arranged in the electroplating cavity and used for electroplating the battery piece. And the cleaning liquid or the electroplating liquid in the liquid inlet coil passes through the convection holes of the flow equalizing plate and then is conveyed to the cleaning cavity or the electroplating cavity for cleaning or electroplating the battery piece. Washing liquid or plating solution are through the convection current hole of flow evening board, can reduce the battery piece that is close to the feed liquor coil pipe position and receive the impact force of washing liquid or plating solution, and even stability when helping improving the liquid convection helps reducing the damage and the piece risk of battery piece helps improving the battery piece and washs and electroplate the effect, helps improving the quality of battery piece surface cleaning and electroplating.
Drawings
FIG. 1 is a schematic view of a processing tank according to an embodiment of the present invention;
FIG. 2 is a schematic view of a first flow distribution plate according to an embodiment of the present invention;
FIG. 3 is a schematic view of a pulse tube according to an embodiment of the present invention;
FIG. 4 is a schematic view of a plating cell according to an embodiment of the utility model;
FIG. 5 is a schematic view of a second flow distribution plate according to an embodiment of the present invention;
FIG. 6 is an enlarged schematic view of section A of a plating cell according to an embodiment of the utility model.
Reference numerals
10-a trough body, 101-a liquid supply cavity, 102-a cleaning cavity, 103-a battery piece carrier, 1031-a clamping area, 104-an electroplating cavity, 20-a uniform flow plate, 201-a convection hole, 202-an isolation area, 203-a mesh area, 30-a liquid inlet coil pipe, 40-a pulse swimming pipe, 401-a liquid outlet hole, 50-a lifting structure, 60-an anode plate, 70-a clamping structure, 80-a basket type collecting device, 90-a liquid outlet and 100-battery pieces.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. 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 application.
The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be implemented in sequences other than those illustrated or described herein. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
A processing tank and an electroplating tank provided in the embodiments of the present application are described in detail below with reference to fig. 1 to 6.
As shown in fig. 1 to 3, a treatment tank according to some embodiments of the present application includes a tank body 10, an uniform flow plate 20, and a liquid inlet coil 30;
the trough body 10 comprises a liquid supply cavity 101 and a cleaning cavity 102 which are distributed up and down along the depth direction, and the liquid supply cavity 101 is positioned at the lower part of the cleaning cavity 102;
the flow equalizing plate 20 is arranged between the liquid supply cavity 101 and the cleaning cavity 102, and the flow equalizing plate 20 is provided with a convection hole 201 for communicating the liquid supply cavity 101 and the cleaning cavity 102;
the liquid inlet coil 30 is arranged in the liquid supply cavity 101 to supply cleaning liquid into the tank body 10, and the cleaning cavity 102 is used for accommodating the battery piece 100 to clean the battery piece 100.
Specifically, the treatment tank provided by the present invention is suitable for application of surface treatment of the battery sheet 100, and the treatment tank provided by the present invention will be described in detail by referring to specific examples.
As shown in fig. 1, the material used for the tank body 10 of the treatment tank in the present application is determined by the nature of the cleaning solution, when the surface of the battery piece 100 needs to be treated, the tank body 10 has corrosion resistance, temperature resistance and the like, and can be made of polyvinyl chloride or polypropylene hard (soft) plate, titanium plate or metal material, or ceramic plate; the tank body 10 can be selected according to the specification of the cell carrier 103, the capacity of the tank body 10 is generally rectangular, the tank body can be prepared according to actual requirements under special production conditions, and the processing and manufacturing of the process tank can adopt the processing technology in the prior art, such as sheet metal processing, electric spark processing and the like. In addition, in order to avoid the liquid in the treatment tank from accumulating and remaining, the top of the tank body 10 can be designed into a slope structure inclined relative to the ground, so that the liquid suspended at the top of the tank body 10 can automatically flow back. And, can also connect exhaust device on cell body 10, on the one hand, exhaust device can take out hotter volatile gas and retrieve in condensing vessel and recycle, and on the other hand, exhaust device can take out the volatile gas of toxicity in the processing groove, realizes the management and control of danger wastes material and handles, avoids causing environmental safety to destroy.
When the battery cell 100 requires surface treatment, a cleaning solution needs to be supplied to the surface of the battery cell 100. Therefore, the treatment tank comprises a liquid supply cavity 101 and a cleaning cavity 102, the liquid supply cavity 101 and the cleaning cavity 102 are distributed up and down along the depth direction of the tank body 10, and the liquid supply cavity 101 is positioned at the lower part of the cleaning cavity 102. The flow equalizing plate 20 is disposed between the liquid supply cavity 101 and the cleaning cavity 102, the flow equalizing plate 20 is provided with a convection hole 201 communicating the liquid supply cavity 101 and the cleaning cavity 102, the liquid inlet coil 30 is disposed in the liquid supply cavity 101 to supply cleaning liquid into the tank body 10, and the cleaning cavity 102 is used for accommodating the battery piece 100 to clean the battery piece 100.
The liquid inlet coil pipe 30 is communicated with a liquid inlet pipeline of the liquid inlet device and is used for storing cleaning liquid; because the liquid supply cavity 101 has limited space, the liquid inlet coil pipes 30 are arranged in a plurality of S shapes along the transverse or longitudinal direction of the vertical surface of the depth direction of the tank body 10, so that the flowing pressure of the cleaning liquid can be buffered, and the cleaning liquid can be prevented from flowing backwards; near the direction of cleaning chamber 102, liquid inlet coil 30 evenly is provided with the liquid outlet, and the liquid outlet can be round hole, also can be quad slit, and this application does not limit.
The material for preparing the uniform flow plate 20 is corrosion-resistant and high-temperature-resistant plastic material or metal material, and the metal material can bear stronger impact force. The flow equalizing plate 20 may be provided with convection holes 201 uniformly distributed, or may be provided with convection holes 201 uniformly distributed in sections, for example, the positions corresponding to the liquid outlets may be provided with convection holes 201 uniformly distributed, and the other positions of the flow equalizing plate 20 are not provided with convection holes 201. The cleaning liquid in the liquid inlet coil 30 is conveyed to the cleaning cavity 102 through the convection holes 201 of the flow equalizing plate 20, so that the battery piece 100 can be cleaned. In addition, the shape of the convection hole 201 may be a circular or polygonal hole, and the design may be selected according to the convection velocity of the liquid. After the battery piece 100 washs the completion, can use and catch up liquid device and clear away the remaining washing liquid in battery piece 100 surface, catch up liquid device and can adopt prior art, and this application does not limit.
After the surface of the battery piece 100 is cleaned, the used cleaning liquid needs to be discharged from the treatment tank, and therefore the treatment tank is further provided with a liquid discharge port 90. The liquid discharge port 90 adopts a double-gradient structure, the double-gradient structure is favorable for the flow of used cleaning liquid, the cleaning liquid can be conveniently and completely discharged out of the treatment tank, the residual utilized cleaning liquid in the treatment tank is avoided, and the battery piece 100 is prevented from being polluted when the surface of the battery piece 100 is cleaned again in the treatment tank.
In the embodiment of the application, a treatment tank is provided, and the treatment tank consists of a tank body, a uniform flow plate and a liquid inlet coil pipe. The groove body is composed of a liquid supply cavity and a cleaning cavity which are distributed up and down along the depth direction, the liquid supply cavity is positioned at the lower part of the cleaning cavity, a flow equalizing plate is arranged between the liquid supply cavity and the cleaning cavity, and the flow equalizing plate is provided with convection holes so as to communicate the liquid supply cavity with the cleaning cavity. The liquid inlet coil pipe is arranged in the liquid supply cavity, cleaning liquid can be supplied into the groove body through the liquid inlet coil pipe, and the cleaning cavity is used for accommodating the battery piece to clean the battery piece. And the cleaning liquid in the liquid inlet coil passes through the convection holes of the uniform flow plate and then is conveyed into the cleaning cavity for cleaning the battery piece. The washing liquid passes through the convection holes of the uniform flow plate, so that the impact force of the washing liquid on the battery piece close to the liquid inlet coil pipe can be reduced. Therefore, no matter the processing groove of this application embodiment is used and the battery piece is electroplated the preceding washing in advance, perhaps when electroplating the washing after accomplishing, because the impact force of feed liquor coil pipe position is littleer, the convection current of liquid in clean intracavity tends towards even stability more, helps reducing the damage and the piece risk of battery piece to, can make the washing degree of each regional position on battery piece surface tend towards unanimously, help improving the clear uniformity of battery piece, help improving the abluent quality of battery piece surface.
According to some embodiments of the present application, referring to fig. 1 and 2, the flow equalization plate 20 comprises a mesh region 203 and an isolation region 202;
the mesh area 203 and the isolation area 202 are alternately arranged along a preset straight line, the convection holes 201 are distributed in the mesh area 202 in an array manner, and the projection of the battery piece 100 along the depth direction of the tank body 10 is located in the isolation area 202.
Specifically, as shown in fig. 1, the X direction shown in the figure is taken as the length direction of the trough body 10, correspondingly, the Y direction can be taken as the width direction of the trough body 10, the Z direction can be taken as the depth direction of the trough body 10, and the plurality of cell carriers 103 can be arranged in the trough body 10 at equal intervals along a preset straight line parallel to the X direction, that is, the plurality of cell carriers 103 are distributed in the trough body 10 at intervals along the length direction thereof. As shown in fig. 2, the flow equalizing plate 20 is alternately provided with mesh areas 203 and isolation areas 202 along a predetermined straight line. The mesh area 203 is located between the adjacent cell carriers 103, the convection holes 201 are distributed in the mesh area 202 in an array, and the projection of the cell 100 along the depth direction of the tank 10 is in the area of the isolation area 202. When the cleaning liquid in the liquid inlet coil pipe 30 is conveyed to the space between the adjacent cell carriers 103 through the convection holes 201, the isolation area 202 prevents the cleaning liquid from impacting and convecting, and simultaneously prevents the excessive liquid from washing the frame at the bottom of the cell carrier 103, thereby preventing the cleaning liquid conveyed to the cleaning cavity 102 from being wasted and improving the cleaning efficiency of the cell 100.
According to some embodiments of the present application, referring to fig. 2, the number of convection holes 201 of the mesh region 203 at both ends of the preset straight line is a first number, the number of convection holes 201 of the mesh region 203 in the middle of the preset straight line is a second number, and the first number is greater than the second number.
Specifically, as shown in fig. 2, the side of the uniform flow plate 20 perpendicular to the plane of the cell carrier 103 is taken as the length direction of the tank 10, the long side of the tank 10 is taken as a preset straight line, the number of the convection holes 201 formed in the mesh areas 203 at the two ends of the preset straight line is a first number, the number of the convection holes 201 formed in the mesh area 203 in the middle of the preset straight line is a second number, and the first number is greater than the second number. Therefore, after the uniform flow plate 20 is assembled with the tank 10, the number of the convection holes 201 at both ends of the tank 10 in the length direction is large, and the number of the convection holes 201 in the middle area of the tank 10 in the length direction is small. Based on the difference in the number of the convection holes 201 on the uniform flow plate 20, a pressure difference can be formed between the two ends and the middle of the tank body 10, so that the liquid near the side walls of the two ends in the length direction of the tank body 10 and the liquid in the middle generate convection power, the flow of the cleaning liquid on the surface of the battery piece 100 is promoted, and the quality of the surface treatment of the battery piece 100 is improved.
According to some embodiments of the present application, referring to fig. 1 and 2, the treatment tank further comprises a pulse tube 40;
the pulse swimming pipe 40 is arranged along the depth direction of the tank body 10, penetrates through the uniform flow plate 20 and is communicated with the liquid inlet coil pipe 30;
along the axis direction of the pulse-swimming tube 40, a plurality of liquid outlet holes 401 are formed in the side wall of the pulse-swimming tube 40, wherein the axes of the liquid outlet holes 401 intersect with the surface of the battery piece 100.
Specifically, the treatment tank of this application still includes the sphygrophoretic pipe 40, and the even flow plate 20 is provided with the through-hole with sphygrophoretic pipe 40 looks adaptation, and sphygrophoretic pipe 40 arranges and runs through the through-hole of even flow plate 20 and feed liquor coil 30 intercommunication along the degree of depth direction of cell body 10, and the connected mode can adopt prior art, for example welding, bonding or threaded connection, and this application does not limit. The projection of the cell carriers 103 along the depth direction of the trough body 10 forms a line segment parallel to the Y direction shown in the figure, and the pulse-swimming tubes 40 can be arranged at two ends of the line segment along the Y direction, that is, the pulse-swimming tubes 40 are arranged at the side part of the frame of the carrier plate of the cell carriers 103, and can also be arranged in the gap between adjacent cell carriers 103 and parallel to the surface of the cell carriers 103. Along the axis direction of the pulse-swimming tube 40, a plurality of liquid outlet holes 401 are formed in the side wall of the pulse-swimming tube 40, and the liquid outlet holes 401 can be equidistantly distributed along the axis direction of the pulse-swimming tube 40 to ensure the uniformity of liquid supply. Wherein, the axis of the liquid outlet 401 intersects with the surface of the battery piece 100. When the pulse-swimming tube 40 is arranged at the side part of the frame of the support plate of the cell carrier 103, the pulse-swimming tube 40 with a larger caliber can be adopted, the width or diameter of the pulse-swimming tube 40 is larger than the thickness of the cell carrier 103, so that the liquid guided out of the liquid outlet 401 can be sprayed to the surface of the cell 100, and when the pulse-swimming tube 40 is arranged between the adjacent cell carriers 103, the axis of the liquid outlet 401 can be perpendicular to the surface of the cell 100, or can be obliquely intersected with the surface of the cell 100. Therefore, the cleaning liquid in the liquid inlet coil pipe 30 can be sprayed to the surface of the battery piece 100 through the liquid outlet 401 of the pulse-swimming pipe 40, so that the surface of the battery piece 100 arranged along the depth direction of the groove body 10 can be cleaned, and the quality of surface treatment of the battery piece 100 is improved.
According to some embodiments of the present application, referring to fig. 1 and 3, along a length direction of the cleaning chamber 102, the cleaning chamber 102 is provided with a hanging structure for hanging a cell carrier 103, wherein the cell carrier 103 includes N rows × M columns of clamping areas 1031, each clamping area 1031 is used for clamping the cell 100;
each column of the clamping area 1031 corresponds to at least one pulse swimming tube 40.
Specifically, as described above, the edge of the flow equalizing plate 20 parallel to the plane of the cell carrier 103 serves as the length direction of the tank 10, the length direction of the cleaning chamber 102 is consistent with the length direction of the tank 10, the cleaning chamber 102 is provided with a suspension structure for suspending the cell carrier 103, the cell carrier 103 includes N rows × M columns of clamping areas 1031, as shown in fig. 3, the cell carrier 103 includes 4 rows × 3 columns of clamping areas 1031, each clamping area 1031 is used for clamping a cell 100, and each column of clamping areas 1031 corresponds to at least one pulse swimming tube 40. The pulse-swimming tube 40 is arranged between the adjacent cell carriers 103 and is parallel to the surfaces of the cell carriers 103, and the axis of the liquid outlet 401 is perpendicular to or obliquely intersected with the surfaces of the cells 100, so that the cells 100 positioned at different row positions along the depth direction of the groove body 10 and the surfaces of the cells 100 positioned at different column positions along the width direction of the groove body can be cleaned, and the efficiency and the quality of surface treatment of the cells 100 are improved.
According to some embodiments of the present application, referring to fig. 3, each column of the clamping area 1031 corresponds to two of the electrophoresis tubes 40;
along the width direction of the cleaning cavity 102, the two pulse swimming tubes 40 are respectively arranged at trisection positions of the clamping area 1031.
Specifically, as shown in fig. 3, the cell carrier 103 includes 4 rows × 3 columns of clamping areas 1031, each column of clamping areas 1031 corresponds to two pulse swimming tubes 40, and as mentioned above, the length direction of the cleaning chamber 102 is the length direction of the tank body 10, i.e., the X direction shown in the figure. The width direction of the cleaning chamber 102 is the illustrated Y direction, and along this direction, two pulse-swimming tubes 40 are respectively disposed at trisection positions of the clamping area 1031, that is, along the width direction of the cleaning chamber 102, the edge of each clamping area 1031 is trisected, and the pulse-swimming tubes 40 are disposed corresponding to the trisection points, so that the surface of the battery piece 100 can be sufficiently cleaned, and the installation space of the pulse-swimming tubes 40 is also saved.
According to some embodiments of the present application, referring to fig. 1, the flow equalizing plate 20 is provided with a lifting structure 50, and the lifting structure 50 is used for driving the flow equalizing plate 20 to move along the depth direction of the tank body.
Specifically, the flow equalizing plate 20 is provided with a lifting structure 50, and the lifting structure 50 can be a lifting rod used for cleaning the battery cells 100 on the market, and can also be designed according to actual needs. Along the width direction of the cleaning cavity 102, the lifting structure 50 is installed at two sides of the battery piece carrier 103, the flow equalizing plate 20 is fixedly connected with the lifting structure 50, and the lifting structure 50 is driven by a special travelling crane lifting mechanism to drive the flow equalizing plate 20 to move up and down along the depth direction of the tank body. The lifting mechanism of the travelling crane can be arranged outside the tank body 10, so that the space of the tank body can be saved. The flow equalizing plate 20 and the lifting structure 50 can be welded or bolted, preferably, the bolting mode can make the flow equalizing plate 20 and the lifting structure 50 be conveniently detached. Since the cleaning solution is sprayed on the surfaces of the battery pieces 100, the surfaces of the battery pieces 100 are subjected to impact force, so that the surfaces of the battery pieces 100 are damaged, and the damaged fragments of the battery pieces 100 can be collected by the flow equalizing plate 20 and then taken out. In practical applications, in order to prevent the cell carriers 103 from obstructing the movement of the flow distributing plate 20, after the cleaning of the cells 100 is completed, the cell carriers 103 are lifted out of the cleaning chamber 102 by the crane and the lifting device, and then the flow distributing plate 20 is lifted out of the cleaning chamber 102 by the lifting structure 50, so as to clean the debris collected on the flow distributing plate 20. Certainly, under the allowable condition, the cell carrier 103 and the flow equalizing plate 20 can be lifted synchronously after the cleaning of the cell 100 is completed, so that the fragment cleaning time can be saved, the fragments of the cell 100 in the tank 10 can be effectively removed, and the surface treatment efficiency of the cell 100 is improved.
The present embodiment further provides a plating tank, and referring to fig. 4, the plating tank includes a tank body 10, a uniform flow plate 20, and a liquid inlet coil 30;
the tank body 10 comprises a liquid supply cavity 101 and an electroplating cavity 104 which are distributed up and down along the depth direction, and the liquid supply cavity 101 is positioned at the lower part of the electroplating cavity 104;
the flow equalizing plate 20 is arranged between the liquid supply cavity 101 and the electroplating cavity 104, and the flow equalizing plate 20 is provided with convection holes 201 for communicating the liquid supply cavity 101 with the electroplating cavity 104;
the liquid inlet coil pipe 30 is arranged in the liquid supply cavity 101 to supply electroplating liquid into the tank body 101, and the electroplating cavity 104 is provided with the anode plate 60 for electroplating the battery piece 100.
Specifically, the material of the bath body 10 of the plating bath in the present application is determined by the nature of the plating solution, the bath body 10 is used for preparing the solution for tin plating, zinc plating, copper plating, nickel plating and the like, and the structure of the bath body 10 is selected depending on factors such as the nature and temperature of the plating solution; the tank 10 can be selected according to the specification of the cell carrier 103 and the capacity of the electroplating production line, and the processing mode and the liquid discharge port 90 of the electroplating tank are not described in detail.
The tank body 10 is composed of a liquid supply cavity 101 and a plating cavity 104, the specific positions are as described in the treatment tank, the position and the structure of the plating cavity 104 are the same as those of the cleaning cavity 102, and the positions of the flow equalizing plate 20 and the liquid inlet coil 30 are not described in detail. The liquid inlet coil 30 is arranged in the liquid supply cavity 101 to supply electroplating liquid into the tank body 10, and the anode plate 60 is arranged in the electroplating cavity 104 for electroplating the battery piece 100. In addition, in order to avoid the liquid in the treatment tank from accumulating and remaining, the top of the tank body 10 can be designed into a slope structure which is inclined relative to the ground, so that the liquid hung on the top of the tank body 10 can automatically flow back. And, can also connect exhaust device on cell body 10, on the one hand, exhaust device can take out hotter volatile gas and retrieve in the condensation vessel and recycle, and on the other hand, exhaust device can take out the volatile gas of toxicity in the treatment trough, realizes the management and control of dangerous wastes material and handles, avoids causing environmental safety to destroy. The anode plate 60 may be in the form of a mesh, plate, strip, tube, strip, or the like. Along the depth direction of the tank body 10, the anode plates 60 are arranged in parallel with the battery pieces 100, and the battery pieces 100 are arranged between two adjacent columns of the anode plates 60. The anode plate 60 is preferably a plate-shaped anode having a whole surface, which is convenient to operate, has uniform electric field distribution among the battery pieces 100, and can be applied to plating of various electrode shapes on the surface of the battery pieces 100.
In the embodiment of the application, the electroplating bath is provided and consists of a bath body, a uniform flow plate and a liquid inlet coil. The electroplating bath is characterized in that the electroplating bath is distributed up and down along the depth direction of the bath body, the bath body of the electroplating bath consists of a liquid supply cavity and an electroplating cavity, the liquid supply cavity is positioned at the lower part of the electroplating cavity, a flow equalizing plate is arranged between the liquid supply cavity and the electroplating cavity, and the flow equalizing plate is provided with convection holes so as to communicate the liquid supply cavity with the electroplating cavity. The liquid inlet coil pipe is arranged in the liquid supply cavity and can provide electroplating liquid into the cell body, and the anode plate is arranged in the electroplating cavity and is used for electroplating the cell. And the electroplating solution in the liquid inlet coil is conveyed to the electroplating cavity after passing through the convection holes of the uniform flow plate and is used for electroplating the battery piece. Washing liquid or plating solution are through the convection current hole of flow equalizing plate, can reduce the battery piece that is close to the feed liquor coil pipe position and receive the impact force of plating solution, consequently, use the plating bath of this application embodiment when electroplating the battery piece, because the impact force of feed liquor coil pipe position is littleer, the convection current of plating solution in the electroplating intracavity tends towards more evenly stable, help reducing the damage and the piece risk of battery piece, and, can make the grid line electrode of each regional position on battery piece surface more even, help improving the uniformity that the battery piece was electroplated, help improving the electroplating quality of battery piece.
According to some embodiments of the present application, referring to fig. 4 and 5, the convection holes 201 are uniformly distributed on the surface of the flow distribution plate 20.
Specifically, after the battery piece 100 is cleaned, the surface of the battery piece 100 needs to be electroplated, and the electroplating solution in the liquid inlet coil 30 is conveyed into the electroplating chamber 104 through the convection holes 201 of the flow equalizing plate 20, as shown in fig. 5, the convection holes 201 are uniformly distributed on the surface of the flow equalizing plate 20, so that the cleaning solution in the liquid inlet coil 30 is conveyed into the tank body 10 through the flow equalizing plate 20. The convection holes 201 are point-shaped through holes with the diameter of 2mm-20mm, and the shapes of the convection holes 201 include, but are not limited to, circular or polygonal shapes, which can be specifically designed according to convection performance. Therefore, the plating solution provided by the liquid inlet coil 30 is delivered into the plating chamber 104 through the convection holes 201 of the flow equalizing plate 20, and the plating of the battery piece 100 is performed.
Therefore, the convection holes 201 are uniformly distributed on the surface of the flow equalizing plate 20, so that the impact force of the electroplating solution on the cell 100 close to the flow equalizing plate 20 is reduced, the damage degree of the cell 100 is reduced, and the electroplating quality of the cell 100 is improved.
According to some embodiments of the present application, referring to fig. 4 and 6, the sidewall of the plating cavity 104 is provided with a plurality of clamping structures 70, each clamping structure 70 includes two clamping surfaces opposite to each other in a direction perpendicular to the surface of the battery piece 100, and a clamping space for accommodating the anode plate 60 is formed between the two clamping surfaces.
Specifically, as shown in fig. 4 and 6, the X direction shown in the figure is regarded as the longitudinal direction of the tank body 10, and accordingly, the Y direction may be regarded as the width direction of the tank body 10, and the Z direction may be regarded as the depth direction of the tank body 10. The side wall of the electroplating chamber 104 is provided with a plurality of clamping structures 70, and each clamping structure 70 has two opposite clamping surfaces, and a clamping space is formed between the two clamping surfaces and used for accommodating the anode plate 60. The structure of the clamping structure 70 may be two clamping blocks, each clamping block is provided with a clamping surface capable of accommodating the anode plate 60, or one clamping block is provided with two clamping grooves formed by opposite clamping surfaces, and the shape of the clamping block is not limited. The clamping structure 70 replaces the mode of fastening the anode plate 60 by bolts in the prior art, so that the installation efficiency of the anode plate 60 is improved, and the processing time of a processing tank is saved.
According to some embodiments of the present application, referring to fig. 4 and 6, the gap between the two engagement surfaces gradually decreases along the direction from shallow to deep of the slot body 10.
Specifically, each anode plate 60 is installed at an equal distance along the depth direction of the tank 10, so that the clamping structure 70 can fix each anode plate 60, and the gap between the two clamping surfaces gradually decreases along the depth direction of the tank 10. When the anode plate 60 is installed, each anode plate 60 can be inserted into the two clamping surfaces along the direction, so that the installation and the disassembly of the anode plate 60 are convenient, and the installation efficiency of the anode plate 60 is improved.
According to some embodiments of the present application, referring to fig. 4 and 6, a plurality of the clamping structures 70 are arranged at intervals on the same straight line along the depth direction of the slot body 10; and/or the presence of a gas in the gas,
the plurality of clamping structures 70 are arranged on the opposite side walls of the tank body 10 along the width direction of the tank body 10.
Specifically, along the depth direction of the tank 10, the clamping structures 70 are arranged at intervals on the same straight line, and the distance between the clamping structures 70 can be designed to be equal or determined according to the anode plate 60, so that each anode plate 60 on the same straight line along the depth direction of the tank 10 can be provided with the clamping structure 70, the anode plate 60 can be fixed, and the waste of the clamping structure 70 can be avoided. It should be noted that, of course, because the inside of the tank 10 is usually provided with the plurality of anode plates 60 at intervals along the length direction thereof, the plurality of clamping structures 70 may also be disposed at the installation position of each anode plate 60 along the length direction of the tank 10, and in order to ensure that each anode plate 60 is fixed reliably, the plurality of clamping structures 70 may also be disposed on the opposite side walls of the tank 10 along the width direction of the tank 10, and are clamped and fixed from the two opposite side edges of the anode plate 60, which is not described herein again in this embodiment of the present application.
According to some embodiments of the present application, referring to fig. 4 and 6, the plating bath further includes a basket type collecting device 80, the basket type collecting device 80 being disposed between the respective anode plates 60 spaced apart along the length direction of the plating chamber 104;
the basket type collecting device 80 is provided with a lifting structure 50, and the lifting structure 50 is used for driving the basket type collecting device 80 to move along the depth direction of the tank body 10.
Specifically, to collect debris from the plating process of the cell 100, the plating cell further includes a basket collection device 80. Along the depth direction of the tank body 10 and the direction parallel to the surface of the battery piece 100, a plurality of anode plates 60 are parallel and spaced to form a gap, and the basket type collecting device 80 is arranged in the gap, specifically, the collecting space of the basket type collecting device 80 is used for accommodating the battery piece carrier, that is, the battery piece carrier carries the battery piece to be contained in the basket type collecting device 80 in the electroplating process. The basket collection device 80 is provided with a pulling structure 50, the pulling structure 50 being as previously described and not described in detail. Along cell body 10 degree of depth direction, a plurality of filtration holes have been seted up to basket collection device 80's bottom, and the type and the size of filtering the hole are processed according to operating condition to the plating solution flows in basket collection device 80, prevents that basket collection device 80 from remaining the plating solution. Meanwhile, the lifting structure 50 drives the basket type collecting device 80 to move along the depth direction of the tank body 10, and the basket type collecting device can move along with the electroplating carrier after the battery piece 100 is electroplated, or move after the electroplating carrier is taken out after the battery piece 100 is electroplated. For example, the cell carrier 103 can be lifted out of the cleaning chamber 102 by a crane and a hanger, and then the basket type collecting device 80 can be lifted out of the tank body 10 by the lifting structure 50, so as to clean the debris collected in the basket type collecting device 80. Certainly, under the condition that the conditions allow, the cell carrier 103 and the basket type collecting device 80 can be lifted synchronously after the electroplating of the cell 100 is completed, so that the fragment cleaning time can be saved, the fragments of the cell 100 can be effectively collected and the fragments of the cell 100 in the groove body 10 can be cleaned, and the electroplating efficiency of the cell 100 can be improved.
Embodiments of the present application also provide an electroplating apparatus, which includes any one of the aforementioned treatment tanks and/or electroplating tanks.
Specifically, in practical applications, on one hand, any of the processing tanks can be used in combination with a corresponding cell conveying mechanism to form an automatic cleaning production line so as to serve for pre-cleaning before electroplating or cleaning after electroplating. On the other hand, any one of the electroplating baths can be matched with a corresponding battery piece conveying mechanism for use to form an automatic electroplating production line. Further, it is also possible to use a treatment tank in combination with the plating tank, the treatment tank being disposed on at least one of the inlet side and the outlet side of the plating tank. Therefore, by applying the treatment tank and/or the electroplating tank in the electroplating device, the electroplating process is facilitated to be optimized, and the production quality of the battery piece in the electroplating process 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. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.
Claims (14)
1. A treatment tank is used for surface treatment and cleaning of battery pieces and is characterized by comprising a tank body, a uniform flow plate and a liquid inlet coil pipe;
the groove body comprises a liquid supply cavity and a cleaning cavity which are distributed up and down along the depth direction, and the liquid supply cavity is positioned at the lower part of the cleaning cavity;
the flow equalizing plate is arranged between the liquid supply cavity and the cleaning cavity and is provided with a convection hole for communicating the liquid supply cavity and the cleaning cavity;
the feed liquor coil pipe arrange in supply in the liquid cavity to provide the washing liquid in the cell body, clean chamber is used for holding the battery piece is in order to right the battery piece washs.
2. The treatment tank of claim 1, wherein the flow equalizer comprises a mesh region and a spacer region;
the mesh area with the isolation area sets up along predetermineeing the straight line in turn, the convection orifice array distribute in the mesh area, the battery piece is followed the projection of cell body depth direction is located in the isolation area.
3. The processing tank as claimed in claim 2, wherein the mesh area at both ends of the preset straight line has a first number of convection holes, and the mesh area in the middle of the preset straight line has a second number of convection holes, the first number being greater than the second number.
4. The treatment tank of claim 1, further comprising a pulse tube;
the pulse swimming pipe is arranged in the depth direction of the tank body, penetrates through the uniform flow plate and is communicated with the liquid inlet coil pipe;
along the axis direction of the pulse swimming tube, a plurality of liquid outlet holes are formed in the side wall of the pulse swimming tube, wherein the axes of the liquid outlet holes are intersected with the surface of the battery piece.
5. The processing tank of claim 4, wherein the cleaning chamber is provided with a suspension structure for suspending a cell carrier along the length direction of the cleaning chamber, wherein the cell carrier comprises N rows by M columns of clamping areas, and each clamping area is used for clamping the cell;
each column of the clamping area corresponds to at least one pulse swimming tube.
6. The treatment tank of claim 5, wherein each column of the clamping areas corresponds to two of the electrophoresis tubes;
along the width direction of the cleaning cavity, the two pulse swimming tubes are respectively arranged at trisection positions of the clamping area.
7. The treatment tank as claimed in claim 1, wherein the flow equalizing plate is provided with a pulling structure for driving the flow equalizing plate to move along the depth direction of the tank body.
8. An electroplating bath is used for electroplating a battery piece and is characterized by comprising a bath body, a uniform flow plate and a liquid inlet coil pipe;
the tank body comprises a liquid supply cavity and an electroplating cavity which are distributed up and down along the depth direction, and the liquid supply cavity is positioned at the lower part of the electroplating cavity;
the flow equalizing plate is arranged between the liquid supply cavity and the electroplating cavity, and is provided with a convection hole for communicating the liquid supply cavity and the electroplating cavity;
the feed liquor coil pipe arrange in supply in the liquid chamber to provide the plating solution in the cell body, it is right to arrange the anode plate in the plating chamber be used for the battery piece electroplates.
9. The plating cell of claim 8, wherein the convection holes are uniformly distributed over the surface of the flow distribution plate.
10. The electroplating bath according to claim 8, wherein the side wall of the electroplating cavity is provided with a plurality of clamping structures, each clamping structure comprises two clamping surfaces which are opposite along the direction vertical to the surface of the battery piece, and a clamping space for accommodating the anode plate is formed between the two clamping surfaces.
11. The plating cell of claim 10, wherein the gap between the two engagement surfaces gradually decreases in a direction from shallow to deep along the cell body.
12. The plating tank as claimed in claim 10, wherein a plurality of the clamping structures are arranged at intervals on the same straight line along the depth direction of the tank body; and/or the presence of a gas in the gas,
the clamping structures are arranged on the side walls, opposite to the groove body, of the groove body along the width direction of the groove body.
13. The plating cell of claim 9, further comprising a basket collection device disposed between each anode plate spaced apart along a length of the plating chamber;
the basket type collecting device is provided with a lifting structure, and the lifting structure is used for driving the basket type collecting device to move along the depth direction of the groove body; during the electroplating process, the basket type collecting device is used for containing the battery pieces.
14. An electroplating apparatus comprising the treatment tank of any one of claims 1 to 7 and/or the electroplating tank of any one of claims 8 to 13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122814431.XU CN216712304U (en) | 2021-11-16 | 2021-11-16 | Treatment tank, electroplating bath and electroplating device |
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| CN202122814431.XU CN216712304U (en) | 2021-11-16 | 2021-11-16 | Treatment tank, electroplating bath and electroplating device |
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| CN216712304U true CN216712304U (en) | 2022-06-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115613106A (en) * | 2022-11-28 | 2023-01-17 | 罗博特科智能科技股份有限公司 | Device and method for electroplating copper electrode of plug-in solar cell |
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2021
- 2021-11-16 CN CN202122814431.XU patent/CN216712304U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115613106A (en) * | 2022-11-28 | 2023-01-17 | 罗博特科智能科技股份有限公司 | Device and method for electroplating copper electrode of plug-in solar cell |
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