CN117127227B - Insoluble anode of composite copper foil and preparation process thereof - Google Patents
Insoluble anode of composite copper foil and preparation process thereof Download PDFInfo
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- CN117127227B CN117127227B CN202311401846.1A CN202311401846A CN117127227B CN 117127227 B CN117127227 B CN 117127227B CN 202311401846 A CN202311401846 A CN 202311401846A CN 117127227 B CN117127227 B CN 117127227B
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- anode plate
- titanium anode
- drying
- water inlet
- plate
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 239000002131 composite material Substances 0.000 title claims abstract description 37
- 239000011889 copper foil Substances 0.000 title claims abstract description 37
- 238000002360 preparation method Methods 0.000 title description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 135
- 239000010936 titanium Substances 0.000 claims abstract description 131
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 131
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 130
- 229910000510 noble metal Inorganic materials 0.000 claims abstract description 34
- CJTCBBYSPFAVFL-UHFFFAOYSA-N iridium ruthenium Chemical compound [Ru].[Ir] CJTCBBYSPFAVFL-UHFFFAOYSA-N 0.000 claims abstract description 5
- ULFQGKXWKFZMLH-UHFFFAOYSA-N iridium tantalum Chemical compound [Ta].[Ir] ULFQGKXWKFZMLH-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000001035 drying Methods 0.000 claims description 119
- 238000000576 coating method Methods 0.000 claims description 79
- 239000011248 coating agent Substances 0.000 claims description 75
- 239000007788 liquid Substances 0.000 claims description 22
- 230000001105 regulatory effect Effects 0.000 claims description 20
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 15
- 238000004891 communication Methods 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 238000004321 preservation Methods 0.000 claims description 10
- 238000003860 storage Methods 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 7
- 238000004080 punching Methods 0.000 claims description 7
- 238000005245 sintering Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 239000006185 dispersion Substances 0.000 claims description 5
- 238000005530 etching Methods 0.000 claims description 5
- 238000003754 machining Methods 0.000 claims description 5
- 235000006408 oxalic acid Nutrition 0.000 claims description 5
- 238000005488 sandblasting Methods 0.000 claims description 5
- 229920006351 engineering plastic Polymers 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000009713 electroplating Methods 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 7
- 239000010410 layer Substances 0.000 description 19
- 238000005452 bending Methods 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 8
- 238000007747 plating Methods 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000010970 precious metal Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 239000002344 surface layer Substances 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000643 oven drying Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000010981 drying operation Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000001755 magnetron sputter deposition Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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
- C25D7/0642—Anodes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/08—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation
- B05C9/10—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation the auxiliary operation being performed before the application
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/08—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation
- B05C9/14—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation the auxiliary operation involving heating or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/10—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by other chemical means
- B05D3/102—Pretreatment of metallic substrates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/38—Electroplating: Baths therefor from solutions of copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2202/00—Metallic substrate
- B05D2202/30—Metallic substrate based on refractory metals (Ti, V, Cr, Zr, Nb, Mo, Hf, Ta, W)
- B05D2202/35—Metallic substrate based on refractory metals (Ti, V, Cr, Zr, Nb, Mo, Hf, Ta, W) based on Ti
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2350/00—Pretreatment of the substrate
- B05D2350/30—Change of the surface
- B05D2350/33—Roughening
- B05D2350/35—Roughening by chemical means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2350/00—Pretreatment of the substrate
- B05D2350/30—Change of the surface
- B05D2350/33—Roughening
- B05D2350/38—Roughening by mechanical means
Abstract
The invention discloses a composite copper foil insoluble anode, which comprises: the titanium anode plate, the water inlet guide plate and the external connecting piece, wherein the water inlet guide plate is connected to the water inlet side of the titanium anode plate, and the titanium anode plate is arranged in a U shape and forms a water inlet space with the water inlet guide plate in a surrounding manner; the two external connectors are symmetrically connected to the two ends of the water inlet guide plate and are used for injecting water into the water inlet space, and a plurality of round small holes are uniformly formed in the water outlet surface of the titanium anode plate; the surface of the titanium anode plate is coated with a noble metal layer, and the noble metal layer is one or two of a ruthenium iridium layer and an iridium tantalum layer. According to the composite copper foil insoluble anode provided by the invention, the U-shaped titanium anode plate is adopted, so that when the titanium anode plate is opposite to the cathode surface, the distance from the anode to the cathode is consistent, the current density is uniform, the inner water inlet guide plates arranged in a layered manner are adopted, the dispersed pressure equalizing is realized after an external water source enters, the consistent water pressure when entering the anode tiny hole is realized, and the electroplating effect and the quality of a finished product are improved.
Description
Technical Field
The invention relates to the technical field of electroplating, in particular to a composite copper foil insoluble anode and a preparation process thereof.
Background
The composite copper foil is a novel power battery current collector material, which mainly comprises three parts, wherein the middle part is a base film made of PET, PP, PI and other materials, and the filmTwo sides are 1 thickThe left and right copper is mainly a sandwich type structure. Unlike the conventional foil manufacturing process. The traditional copper foil is mainly produced by a rolling or electrolysis process; the thickness of the composite copper foil is 3.5-6%>A copper metal layer with the thickness of 20-80nm is manufactured on the surface of the plastic film by adopting a magnetron sputtering or vacuum evaporation mode, and then the metal layer is thickened to 1%>Manufacturing a composite metal foil with a total thickness of 5.5-8 μm to replace 6-9%>Is provided. An insoluble anode is adopted in the water electroplating process of the composite copper foil, and can be used for slowing down the dissolution speed of the soluble anode, reducing the metal concentration of electroplating solution and improving the thickness distribution of a coating.
In the prior art, for example, chinese patent application number 202110275357.0 discloses a titanium anode for electroplating and a preparation method thereof. The titanium anode for electroplating comprises a titanium substrate, and an intermediate layer and a surface layer which are sequentially formed on the titanium substrate, wherein the intermediate layer comprises oxides of Ru, ir and Ti; the surface layer comprises at least one of Ta, nb, sn, zr, ti or Sb oxide; the thickness ratio of the intermediate layer to the surface layer is (5-15): 1. the equipment improves the chlorine and oxygen evolution potential of the titanium anode, reduces the precipitation of oxygen and chlorine in the electroplating process, avoids the excessively rapid consumption of electroplating additives, is favorable for maintaining the stability of plating solution and reduces the electroplating cost. However, the electrode is only coated on the surface, and the influence of the electrode structure on electroplating is not considered.
Therefore, there is a need to provide a composite copper foil insoluble anode and a preparation process thereof, so as to at least partially solve the problems in the prior art.
Disclosure of Invention
In the summary, a series of concepts in a simplified form are introduced, which will be further described in detail in the detailed description. The summary of the invention is not intended to define the key features and essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
To at least partially solve the above problems, the present invention provides a composite copper foil insoluble anode comprising:
the titanium anode plate, the water inlet guide plate and the external connecting piece, wherein the water inlet guide plate is connected to the water inlet side of the titanium anode plate, and the titanium anode plate is arranged in a U shape and forms a water inlet space with the water inlet guide plate in a surrounding manner; the two external connectors are symmetrically connected to two ends of the water inlet guide plate and are used for injecting water into the water inlet space.
Preferably, a plurality of round small holes are uniformly formed on the water outlet surface of the titanium anode plate.
Preferably, the surface of the titanium anode plate is coated with a noble metal layer, and the noble metal layer is one or a combination of two of a ruthenium iridium layer and an iridium tantalum layer.
Preferably, the water inlet guide plate is made of engineering plastics, a buffer plate is connected inside the water inlet guide plate to form a layered structure, and a communication hole communicated with the inside of the titanium anode plate is formed in the buffer plate.
Preferably, two water guide passages arranged along the length direction are arranged at the top end of the buffer plate, and the water guide passages are arranged between the communication holes.
Preferably, be provided with two inlet tubes on the baffle that intakes, two inlet tube tip all extend to the space middle part of intaking and are connected with the flow regulating member, and the flow regulating member includes:
the dispersing piece is connected between the two water inlet pipes and arranged at the center of the flow regulating piece, and comprises a water storage hole at the center and dispersing passages communicated with two sides of the water storage hole;
the two heat exchange pipes are connected to the two sides of the inner wall of the flow regulating piece and are opposite to the dispersion channel, and the heat exchange pipes are connected with the heat supply equipment;
the water outlet holes are formed in the bottom end of the flow regulating piece and are positioned on the outer side of the heat exchange tube, the water outlet holes are arranged in an array mode, and the water outlet holes correspond to the water guide channels.
A process for preparing an insoluble anode of a composite copper foil, which is used for preparing the insoluble anode of the composite copper foil, comprising the following steps:
s100, carrying out oil removal and oxalic acid etching treatment on the titanium anode plate subjected to sand blasting to obtain a rough surface;
s200, cleaning and drying the titanium anode plate;
s300, preparing a noble metal coating liquid for coating the titanium anode plate according to a preset proportion;
s400, coating the prepared noble metal coating liquid on a titanium anode plate according to a preset thickness, and drying;
s500, sintering and cooling the dried titanium anode plate;
s600, repeating the operations of S300, S400 and S500, and coating the noble metal coating liquid for a plurality of times according to the preset thickness;
and S700, moving the coated titanium anode plate to a machining position, punching the titanium anode plate, and pressing to form a U-shaped structure.
Preferably, S400 is performed in an integrated coating and drying apparatus, which includes:
the machine table is provided with a clamping unit, a coating unit, a drying unit and a feeding unit, wherein the clamping unit is connected to two sides of the machine table and used for clamping and maintaining the two ends of the titanium anode plate at a preset height; the coating unit and the drying unit are both connected to the top end of the machine, the coating unit is used for coating noble metal coating liquid on the surface of the titanium anode plate, the drying unit is used for drying the surface of the coated titanium anode plate, the feeding unit is connected to the top end and the side end of the machine, and the two output ends of the feeding unit are respectively connected with the coating unit and the drying unit and are used for adjusting the positions of the coating unit and the drying unit so as to adapt to the positions of the titanium anode plate.
Preferably, the drying unit includes:
the hydraulic box is connected with the output end of the feeding unit, the output ends are respectively arranged at the top end and the bottom end of the hydraulic box, and the hydraulic box is positioned at one side of the titanium anode plate along the width direction during drying;
the two drying boxes are respectively connected with two output ends of the hydraulic box through a transverse frame, are symmetrically arranged on the upper side and the lower side of the titanium anode plate, enclose to form a drying chamber, are connected with heat supply equipment and are used for providing heat for drying the titanium anode plate; the drying box at the upper part comprises:
the insulation can is connected to the bottom end of the drying box and is provided with an opening, gaps are formed in the two sides of the insulation can along the length direction of the titanium anode plate, and the height of the gaps is greater than half of the thickness of the titanium anode plate.
Preferably, the drying unit further comprises:
the exhaust box is connected to two side ends of the drying box and is communicated with the heat preservation box, an opening is formed in the outer side end of the exhaust box, a filter plate is connected to the opening of the exhaust box, and an inclined plane is formed at the joint of the exhaust box and the side wall of the heat preservation box.
Preferably, the drying unit further includes a balancing assembly, the balancing assembly including:
the arc-shaped groove is formed in the top end of the inner wall of the drying box, a hemispherical body is connected in a rotary mode to a round hole in the center of the arc-shaped groove, and a deflector rod is connected to the top end of the hemispherical body;
the drying plate is rotationally connected to the inner wall of the arc-shaped groove and connected with the hemispherical body;
the pressure release valve is connected between the exhaust box and the drying box, an air inlet is formed in one end, close to the exhaust box, of the pressure release valve, an air outlet is formed in the top end of the pressure release valve, a valve ball for blocking the air inlet is arranged in the pressure release valve, and a spring is connected between the valve ball and one side, close to the drying box, of the inner wall of the pressure release valve;
the compression bar is connected to one side of the valve ball, which is close to the drying box, and is arranged in the center of the spring;
the slide bar is connected to one side of the pressure release valve, which is close to the drying box, in a sliding way;
one end of the swing rod is hinged to the end part of the slide rod and is arranged outside the pressure relief valve;
the rack is connected in the chute on the inner wall of the drying box in a sliding way, one end of the rack is hinged with the deflector rod, and the hinged part is provided with a waist-shaped hole;
the rotating shaft is connected to the inner wall of the drying box in a rotating way and is vertically arranged, a gear is connected to the rotating shaft, the gear is meshed with the rack, a bending part is arranged on the rotating shaft and is hinged to the other end of the swing rod, and a coil spring is arranged at the joint of the rotating shaft and the drying box.
Compared with the prior art, the invention at least comprises the following beneficial effects:
according to the composite copper foil insoluble anode provided by the invention, the U-shaped titanium anode plate is adopted, so that when the titanium anode plate is opposite to the cathode surface, the distance from the anode to the cathode is consistent, the current density is uniform, the inner water inlet guide plates arranged in a layered manner are adopted, the dispersed pressure equalizing is realized after an external water source enters, the consistent water pressure when entering the anode tiny hole is realized, and the electroplating effect and the quality of a finished product are improved.
According to the preparation process of the insoluble anode of the composite copper foil, when the insoluble anode of the composite copper foil is prepared, firstly, surface treatment is carried out on a raw material plate of the titanium anode plate, and rough surfaces are obtained through sand blasting, oil removal and oxalic acid etching, so that the rough surfaces of the titanium anode plate are convenient for subsequent coating, and the friction force between a noble metal coating liquid and the titanium anode plate in the coating process is increased; secondly, preparing a noble metal coating liquid according to a preset proportion, coating the noble metal coating liquid on the titanium anode plate by a preset thickness, and drying; then sintering and cooling are carried out; in the coating process, the coating is carried out for a plurality of times according to the preset thickness, and one noble metal layer is formed and then is stacked one by one, so that the coating stability of the noble metal layer is improved, and cracking is avoided; and finally, machining the coated titanium anode plate, forming the titanium anode plate into a U-shaped structure through bending equipment, and punching a plurality of round small holes in the titanium anode plate through punching equipment.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic view of the structure of an insoluble anode of a composite copper foil according to the present invention;
FIG. 2 is a flow chart of a process for preparing an insoluble anode of a composite copper foil according to the present invention;
FIG. 3 is a schematic cross-sectional view of an insoluble anode of a composite copper foil according to the present invention;
FIG. 4 is a schematic structural view of an insoluble anode buffer plate of a composite copper foil according to the present invention;
FIG. 5 is a schematic view showing the installation structure of a current regulating member in an insoluble anode of a composite copper foil according to the present invention;
FIG. 6 is a schematic cross-sectional view of a current regulating member in a composite copper foil insoluble anode according to the present invention;
FIG. 7 is a schematic view of a coating and drying apparatus in a process for preparing an insoluble anode of a composite copper foil according to the present invention;
FIG. 8 is a schematic cross-sectional view of a drying unit in a process for preparing an insoluble anode of a composite copper foil according to the present invention;
FIG. 9 is a schematic diagram showing the structure of a pressure relief valve in the preparation process of the insoluble anode of the composite copper foil;
FIG. 10 is a schematic view of the structure of an arc-shaped groove in the preparation process of an insoluble anode of a composite copper foil according to the present invention;
fig. 11 is a schematic structural view of a rotating shaft in a process for preparing an insoluble anode of a composite copper foil according to the present invention.
In the figure: 1. a titanium anode plate; 2. a water inlet guide plate; 3. an external member; 4. a small hole; 5. a buffer plate; 6. a flow regulating member; 7. a communication hole; 8. a water guide passage; 9. a water inlet pipe; 11. a dispersing member; 12. a water storage hole; 13. a dispersion passage; 14. a heat exchange tube; 15. a water outlet hole; 21. a machine table; 22. clamping units; 23. a coating unit; 24. a drying unit; 25. a feeding unit; 31. a hydraulic tank; 32. a cross frame; 33. a drying box; 34. an insulation box; 35. a notch; 36. an exhaust box; 37. a filter plate; 41. an arc-shaped groove; 42. a hemisphere; 43. a drying plate; 44. a deflector rod; 45. a pressure release valve; 46. a compression bar; 47. a slide bar; 48. swing rod; 49. a rack; 50. a rotating shaft; 51. a bending part; 52. an air inlet; 53. an air outlet; 54. a valve ball; 55. a gear.
Detailed Description
The present invention is described in further detail below with reference to the drawings and examples to enable those skilled in the art to practice the invention by referring to the description.
It will be understood that terms, such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
Example 1:
as shown in fig. 1 and 3, the present invention provides a composite copper foil insoluble anode comprising:
the titanium anode plate 1, the water inlet guide plate 2 and the external connector 3, wherein the water inlet guide plate 2 is connected to the water inlet side of the titanium anode plate 1, and the titanium anode plate 1 is arranged in a U shape and forms a water inlet space with the water inlet guide plate 2 in a surrounding manner; the two external connectors 3 are symmetrically connected to the two ends of the water inlet guide plate 2 and are used for injecting water into the water inlet space.
A plurality of round small holes 4 are uniformly formed on the water outlet surface of the titanium anode plate 1.
The surface of the titanium anode plate 1 is coated with a noble metal layer, and the noble metal layer is one or a combination of two of a ruthenium iridium layer and an iridium tantalum layer.
The water inlet guide plate 2 is made of engineering plastics, a buffer plate 5 is connected inside the water inlet guide plate 2 to form a layered structure, and a communication hole 7 communicated with the inside of the titanium anode plate 1 is formed in the buffer plate 5.
The working principle and the beneficial effects of the technical scheme are as follows:
the composite copper foil insoluble anode comprises a titanium anode plate 1, a water inlet guide plate 2 and an external connector 3, wherein a water inlet space is formed by surrounding the titanium anode plate 1 and the water inlet guide plate 2, and the external connector 3 is connected with an external conductor. When in use, the plating solution pumped by the water pump is conveyed into the water inlet space of the water inlet guide plate 2; the buffer plate 5 inside the water inlet guide plate 2 forms a layered structure, plating solution flows onto the buffer plate 5 through the water inlet pipe of the external connector 3, then flows into the space between the titanium anode plate 1 and the buffer plate 5 through the communication hole 7 on the buffer plate 5, and finally flows into the plating bath through the small hole 4 on the titanium anode plate 1.
And a plurality of small holes 4 are processed on the titanium anode plate 1, and the small holes 4 are used for ensuring uniform water outlet on the anode surface of the titanium anode plate 1 and uniform size from the water outlet surface to the cathode surface. The titanium anode plate 1 is processed into a U shape, so that the distance from the anode to the cathode is consistent when the titanium anode plate 1 faces the cathode surface, the current density is uniform, and the surface of the titanium anode plate 1 is coated with a noble metal layer (ruthenium iridium or iridium tantalum), so that the titanium anode plate has excellent oxygen evolution electrochemical characteristics and high stability.
The external connector 3 is used for the access of an external conductor, and has tight access and no obvious resistance change.
The water inlet guide plate 2 is made of engineering plastics, adopts an internal layered structure, can realize dispersed pressure equalization after an external water source enters, realizes consistent water pressure when entering the anode tiny hole 4, and simultaneously facilitates the access of external pipe fittings.
The invention provides a composite copper foil insoluble anode, which adopts a U-shaped titanium anode plate 1, ensures that the distance from the anode to the cathode is consistent when the titanium anode plate 1 faces a cathode surface, realizes uniform current density, adopts an inner water inlet guide plate 2 arranged in a layered manner, realizes dispersed pressure equalization after an external water source enters, realizes consistent water pressure when entering a cathode tiny hole 4, and improves electroplating effect and finished product quality.
Example 2:
as shown in fig. 4, in the above embodiment 1, two water guide passages 8 are provided at the top end of the buffer plate 5, the water guide passages 8 being provided between the communication holes 7, and being arranged in the longitudinal direction.
Two water inlet pipes 9 are arranged on the water inlet guide plate 2
The working principle and the beneficial effects of the technical scheme are as follows:
when the plating solution pumped by the water pump is conveyed into the water inlet space of the water inlet guide plate 2, the plating solution enters through the water inlet pipe 9, when the plating solution is initially injected, as the water guide passage 8 is arranged on the buffer plate 5, the position of the water guide passage 8 corresponds to the position of the water inlet pipe 9, after water flow enters, the water can firstly enter into the water guide passage 8, then the water flow extends along the length direction of the buffer plate 5 through the water guide passage 8, and overflows from the water guide passage 8 and flows to the upper side of the buffer plate 5 along with the increase of the inflow of the water flow, and flows out through the communication hole 7 on the buffer plate 5. Through the setting of water guide passageway 8, make rivers can not directly by the water inlet tube 9 just in the intercommunicating pore 7 flow, avoid just the intercommunicating pore 7 department water pressure increase, make rivers can evenly flow to intercommunicating pore 7, improve the effect to the dispersed pressure equalizing of rivers.
Example 3:
as shown in fig. 5 and 6, in the above embodiment 2, the end portions of the two water inlet pipes 9 are each extended to the middle of the water inlet space and connected to the flow regulating member 6, and the flow regulating member 6 includes:
the dispersing piece 11 is connected between the two water inlet pipes 9 and arranged in the center of the flow regulating piece 6, and the dispersing piece 11 comprises a water storage hole 12 positioned in the center and dispersing passages 13 communicated with two sides of the water storage hole 12;
the heat exchange pipes 14, the two heat exchange pipes 14 are connected to the two sides of the inner wall of the flow regulating piece 6 and are opposite to the dispersion passage, and the heat exchange pipes 14 are connected with heat supply equipment;
the water outlet holes 15 are formed in the bottom end of the flow regulating piece 6 and located on the outer side of the heat exchange tube 14, the water outlet holes 15 are arranged in an array mode, and the water outlet holes 15 correspond to the water guide channels 8.
The working principle and the beneficial effects of the technical scheme are as follows:
the flow regulating piece 6 is arranged between the two water inlet pipes 9, water flows into the water storage holes 12 of the dispersing piece 11 through the water inlet pipes 9, a plurality of dispersing passages 13 are connected to two sides of the water storage holes 12, each dispersing passage 13 is dispersed to two sides of the dispersing piece 11 at a preset angle, the water flow in the water storage holes 12 is sprayed outwards through the dispersing passages 13, the water pressure of the sprayed water flow is reduced, the sprayed water flow is contacted with the heat exchange tube 14, heat is better transferred into the water flow, the water temperature in the flow regulating piece 6 is increased, and the electroplating effect of the plating solution after temperature rising is better. The rivers flow out through apopore 15, and a plurality of apopores 15 array are arranged and are located water guide passageway 8 top, flow into water guide passageway 8 through apopore 15 in, just so accomplished the dispersion pressure equalizing to the rivers, and the rivers directly strike buffer board 5 when avoiding intaking, and buffer board 5 combination forms the secondary and disperses the pressure equalizing structure, and the pressure equalizing effect is better, has improved electroplating's homogeneity.
Example 4:
as shown in fig. 1 and 2, based on the above embodiment 1, a process for preparing an insoluble anode of a composite copper foil, which is used for preparing the insoluble anode of the composite copper foil, comprises:
s100, carrying out oil removal and oxalic acid etching treatment on the titanium anode plate 1 subjected to sand blasting to obtain a rough surface;
s200, cleaning and drying the titanium anode plate 1;
s300, preparing a noble metal coating liquid for coating the titanium anode plate 1 according to a preset proportion;
s400, coating the prepared noble metal coating liquid on the titanium anode plate 1 according to a preset thickness, and drying;
s500, sintering and cooling the dried titanium anode plate 1;
s600, repeating the operations of S300, S400 and S500, and coating the noble metal coating liquid for a plurality of times according to the preset thickness;
and S700, moving the coated titanium anode plate 1 to a machining station, punching the titanium anode plate 1 and pressing to form a U-shaped structure.
The working principle and the beneficial effects of the technical scheme are as follows:
according to the preparation process of the insoluble anode of the composite copper foil, when the insoluble anode of the composite copper foil is prepared, firstly, surface treatment is carried out on a raw material plate of the titanium anode plate 1, and rough surfaces are obtained through sand blasting, oil removal and oxalic acid etching, so that the rough surfaces of the titanium anode plate 1 are convenient for subsequent coating, and the friction force between a noble metal coating liquid and the titanium anode plate 1 in the coating process is increased; secondly, preparing a noble metal coating liquid according to a preset proportion, coating the noble metal coating liquid on the titanium anode plate 1 by a preset thickness, and drying; then sintering and cooling are carried out; in the coating process, the coating is carried out for a plurality of times according to the preset thickness, and one noble metal layer is formed and then is stacked one by one, so that the coating stability of the noble metal layer is improved, and cracking is avoided; and finally, machining the coated titanium anode plate 1, forming the titanium anode plate 1 into a U-shaped structure through bending equipment, and punching a plurality of round small holes 4 on the titanium anode plate 1 through punching equipment.
Example 5:
as shown in fig. 7, on the basis of the above-described embodiment 4, S400 is performed in an integrated coating and drying apparatus including:
the machine table 21 is provided with a clamping unit 22, a coating unit 23, a drying unit 24 and a feeding unit 25, wherein the clamping unit 22 is connected to two sides of the machine table 21 and is used for clamping and maintaining the two ends of the titanium anode plate 1 at a preset height; the coating unit 23 and the drying unit 24 are both connected to the top end of the machine table 21, the coating unit 23 is used for coating noble metal coating liquid on the surface of the titanium anode plate 1, the drying unit 24 is used for drying the surface of the coated titanium anode plate 1, the feeding unit 25 is connected to the top end and the side end of the machine table 21, and two output ends of the feeding unit 25 are respectively connected with the coating unit 23 and the drying unit 24 and are used for adjusting the positions of the coating unit 23 and the drying unit 24 so as to adapt to the position of the titanium anode plate 1.
The working principle and the beneficial effects of the technical scheme are as follows:
in the prior art, coating stations and drying stations are respectively arranged, after coating is finished, the coating stations are manually moved into a drying box, precious metal coating liquid coated in the moving process can be rocked, so that the surface flatness is reduced, and the uniformity of current density in a finished product is affected. Therefore, an integrated coating and drying device is arranged, when the device is used, the device is clamped at two ends of the titanium anode plate 1 along the length direction through the clamping unit 22, the first output end of the feeding unit 25 is started to move the coating unit 23 to the position above the titanium anode plate 1, and the noble metal coating liquid is coated on the surface of the titanium anode plate 1; after the coating is finished, starting the feeding unit 25 to move the coating unit 23 away from the titanium anode plate 1, and starting the second output end of the feeding unit 25 to move the drying unit 24 to the rear side of the titanium anode plate 1, so that the drying unit 24 encloses the titanium anode plate 1 inside; finally, the drying unit 24 is started to carry out drying operation on the titanium anode plate 1.
Through the structural design, the coating and drying stations are integrated, the titanium anode plate 1 is dried at the coating station, the moving links in the coating and drying stations are omitted, shaking generated in the moving process of the precious metal coating liquid after coating is effectively avoided, the precious metal coating liquid is moved to the sintering station after drying is finished, the flatness of the surface precious metal coating can be improved, and the quality of finished products of the titanium anode plate 1 is improved.
Example 6:
as shown in fig. 8, on the basis of the above-described embodiment 5, the drying unit 24 includes:
the hydraulic box 31, the hydraulic box 31 is connected with the output end of the feeding unit 25, the top end and the bottom end of the hydraulic box 31 are respectively provided with the output end, and the hydraulic box 31 is positioned at one side of the titanium anode plate 1 along the width direction during drying;
the two drying boxes 33 are respectively connected with two output ends of the hydraulic box 31 through the transverse frame 32, the two drying boxes 33 are symmetrically arranged on the upper side and the lower side of the titanium anode plate 1, a drying cavity is formed by surrounding, and the drying boxes 33 are connected with a heating device and used for providing heat for drying the titanium anode plate 1; the drying box 33 at the upper portion includes:
the heat preservation box 34 is connected to the bottom end of the drying box 33 and is provided with an opening, two sides of the heat preservation box 34 along the length direction of the titanium anode plate 1 are provided with notches 35, and the height of the notches 35 is greater than half of the thickness of the titanium anode plate 1;
the exhaust box 36, the exhaust box 36 is connected to both sides end of the drying box 33 and communicates with the insulation box 34, the outer side end of the exhaust box 36 is opened, the opening of the exhaust box 36 is connected with the filter plate 37, the junction between the exhaust box 36 and the side wall of the insulation box 34 is set as an inclined plane.
The working principle and the beneficial effects of the technical scheme are as follows:
when the drying unit 24 is used, the feeding unit 25 moves the hydraulic tank 31 to the rear side of the titanium anode plate 1, the hydraulic tank 31 is vertically arranged, and the two drying tanks 33 are respectively arranged on the upper side and the lower side of the titanium anode plate 1. Starting the hydraulic box 31 to enable two output ends of the hydraulic box to retract inwards, and driving the two drying boxes 33 to approach each other; the edges of the open ends of the two heat preservation boxes 34 are contacted, a drying cavity is formed by surrounding, one section of the titanium anode plate 1 is positioned in the drying cavity, and a notch 35 on the heat preservation boxes 34 is used for the titanium anode plate 1 to pass through; when the titanium anode plate 1 at the current stage is dried, the drying box 33 is started to provide heat for the drying chamber, moisture in the noble metal solution on the heated surface of the titanium anode plate 1 volatilizes and flows upwards, and is discharged through the opening of the exhaust box 36, so that moisture accumulation is avoided, and the air permeability of the drying chamber is improved.
The filter plate 37 is disposed at the opening of the exhaust box 36 to block dust and impurities in the external environment and prevent dust and impurities from entering the polluted noble metal layer. The exhaust boxes 36 are arranged on two sides above the heat preservation box 34, so that the titanium anode plate 1 cannot be in direct contact with the outside air, the sufficient concentration of heat in the drying cavity is ensured, and the phenomenon of cracking caused by uneven heating in the middle and two sides of the titanium anode plate 1 is avoided; and the junction sets up to the inclined plane, and the vapor of stoving flows to the exhaust box 36 outside along the inclined plane, has prolonged the flow path of vapor, avoids moisture to pile up near titanium anode plate 1 and influences drying efficiency.
The drying unit 24 is provided with two drying boxes 33 for simultaneously heating the upper side and the lower side of the titanium anode plate 1, so that the heating uniformity of the upper surface and the lower surface of the titanium anode plate 1 is improved, the deformation of the titanium anode plate 1 in the drying process is reduced, and the quality of a finished product of the titanium anode plate 1 is improved.
Example 7:
as shown in fig. 8 to 11, on the basis of the above-described embodiment 6, the drying unit 24 further includes a balancing assembly including:
the arc-shaped groove 41 is formed in the top end of the inner wall of the drying box 33, a hemispherical body 42 is rotatably connected with a round hole in the center of the arc-shaped groove 41, and a deflector rod 44 is connected with the top end of the hemispherical body 42;
the drying plate 43, the drying plate 43 is rotatably connected to the inner wall of the arc-shaped groove 41 and connected with the hemisphere 42;
the pressure release valve 45, the pressure release valve 45 connects between exhaust box 36 and oven-drying box 33, one end of the pressure release valve 45 close to exhaust box 36 has air inlet 52, the top of pressure release valve 45 has air outlet 53, there is a valve ball 54 used for plugging air inlet 52 in the pressure release valve 45, connect with the spring between one side of the inner wall of the valve ball 54 and pressure release valve 45 close to oven-drying box 33;
the pressing rod 46, the pressing rod 46 is connected to one side of the valve ball 54 close to the drying box 33 and is arranged in the center of the spring;
a slide bar 47, the slide bar 47 is slidingly connected to one side of the pressure release valve 45 near the drying box 33;
the swing rod 48, one end of the swing rod 48 is hinged to the end of the slide rod 47 and is arranged outside the pressure release valve 45;
the rack 49 is slidably connected in a chute on the inner wall of the drying box 33, one end of the rack 49 is hinged with the deflector rod 44, and the hinged part is provided with a waist-shaped hole;
the rotating shaft 50 is rotatably connected to the inner wall of the drying box 33 and is vertically arranged, the rotating shaft 50 is connected with a gear 55, the gear 55 is meshed with the rack 49, the rotating shaft 50 is provided with a bending part 51, the bending part 51 is hinged with the other end of the swinging rod 48, and a coil spring is arranged at the joint of the rotating shaft 50 and the drying box 33.
The working principle and the beneficial effects of the technical scheme are as follows:
when the drying unit 24 is used for a long time, the filter plate 37 is blocked, and the air pressure in the drying chamber is increased after the filter plate 37 is blocked. When the filter plate 37 on one side is blocked, the air pressure of the drying cavity and the air exhaust box 36 on the side is increased, high-pressure air in the air exhaust box 36 extrudes the valve ball 54 of the pressure relief valve 45 to move to one side of the drying plate 43, the air inlet 52 of the pressure relief valve 45 is opened, so that air can enter the pressure relief valve 45 through the air inlet 52 and then flow out through the air outlet 53, the pressure relief function is realized, and the phenomenon that the air in the drying cavity cannot flow out in time, so that the drying efficiency is low and even safety accidents are caused is avoided.
When the valve ball 54 moves, the pressing rod 46 is pushed to move to one side of the drying box 33 until the pressing rod 46 contacts with the sliding rod 47 and extrudes the sliding rod 47 to slide outside the pressure release valve 45, the sliding rod 47 drives the swinging rod 48 to move, so that the swinging rod 48 pushes the bending part 51 of the rotating shaft 50 to rotate, the rotating shaft 50 synchronously rotates, the gear 55 is driven to rotate, the gear 55 is meshed with the rack 49 to drive the rack 49 to move outwards, the rack 49 pulls the top of the deflector 44 to move to one side of the blockage, the hemispherical body 42 rotates in a round hole at the top end of the arc-shaped groove 41, the drying plate 43 is driven to rotate and face to one side of the non-blockage, and the arc-shaped groove 41 plays a guiding role on the drying plate 43. The drying plate 43 is connected with the heat supply equipment for providing heat, and the direction of heating has been changed after the drying plate 43 rotates, makes the drying plate 43 concentrate to the one side heating of non-jam, reduces the heat accumulation of jam side, guarantees that steam can flow out smoothly from non-jam side, has improved the security of drying unit. When the deflector 44 moves, the rack 49 on the other side is driven to move, the rotating shaft 50 on the other side is driven to rotate reversely, and the slide rod 47 is pushed to retract inwards and is not contacted with the valve ball 54. When the blockage is removed, the valve ball 54 is reset under the action of a spring, and the rotating shaft 50 is reset under the action of a coil spring, so that all components are driven to reset.
When both sides are blocked, racks 49 on both sides pull the deflector rod 44, a force sensor is arranged on the deflector rod 44, and when the forces on both sides of the deflector rod 44 reach a preset value, the blocking is serious, and the drying unit 24 is cleaned after being stopped.
Through above-mentioned structural design, set up balanced subassembly in drying unit 24, when the steam outlet of arbitrary one side blocks up, when leading to atmospheric pressure grow, start relief valve 45 and exhaust, drive drying plate 43 simultaneously rotates, incline to the opposite side, reduce the heat of blocking up the side and pile up, guarantee that steam can follow unblock one side smoothly and flow, avoid blocking up the atmospheric pressure of side too big, reduce the titanium anode plate 1 bending deformation that the uneven pressure led to in the stoving cavity, guarantee the ventilation effect in the stoving cavity, prevent to produce the incident.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Although embodiments of the present invention have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the invention would be readily apparent to those skilled in the art, and accordingly, the invention is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (3)
1. A composite copper foil insoluble anode, comprising:
the titanium anode plate (1), the water inlet guide plate (2) and the external connector (3), wherein the water inlet guide plate (2) is connected to the water inlet side of the titanium anode plate (1), and the titanium anode plate (1) is U-shaped and forms a water inlet space with the water inlet guide plate (2) in a surrounding mode; the two external connectors (3) are symmetrically connected to the two ends of the water inlet guide plate (2) and are used for injecting water into the water inlet space;
a plurality of round small holes (4) are uniformly formed on the water outlet surface of the titanium anode plate (1);
the surface of the titanium anode plate (1) is coated with a noble metal layer, and the noble metal layer is one or two of a ruthenium iridium layer and an iridium tantalum layer;
the water inlet guide plate (2) is made of engineering plastics, a buffer plate (5) is connected inside the water inlet guide plate (2) to form a layered structure, and a communication hole (7) communicated with the inside of the titanium anode plate (1) is formed in the buffer plate (5);
two water guide passages (8) are arranged at the top end of the buffer plate (5) along the length direction, and the water guide passages (8) are arranged between the communication holes (7);
two inlet tubes (9) are arranged on the water inlet guide plate (2), the end parts of the two inlet tubes (9) are extended to the middle part of the water inlet space and are connected with the flow regulating piece (6), and the flow regulating piece (6) comprises:
the dispersing piece (11), the dispersing piece (11) is connected between the two water inlet pipes (9) and is arranged at the center of the flow regulating piece (6), and the dispersing piece (11) comprises a water storage hole (12) positioned at the center and dispersing passages (13) communicated with two sides of the water storage hole (12);
the two heat exchange pipes (14) are connected to the two sides of the inner wall of the flow regulating piece (6) and are opposite to the dispersion passage, and the heat exchange pipes (14) are connected with the heat supply equipment;
the water outlet holes (15), the water outlet holes (15) are arranged at the bottom end of the flow regulating piece (6) and are positioned at the outer side of the heat exchange tube (14), the water outlet holes (15) are arranged in an array, and the water outlet holes (15) correspond to the water guide passages (8).
2. A process for preparing an insoluble anode of a composite copper foil according to claim 1, comprising:
s100, carrying out oil removal and oxalic acid etching treatment on the titanium anode plate (1) subjected to sand blasting to obtain a rough surface;
s200, cleaning and drying the titanium anode plate (1);
s300, preparing a noble metal coating liquid for coating the titanium anode plate (1) according to a preset proportion;
s400, coating the prepared noble metal coating liquid on a titanium anode plate (1) according to a preset thickness, and drying;
s500, sintering and cooling the dried titanium anode plate (1);
s600, repeating the operations of S300, S400 and S500, and coating the noble metal coating liquid for a plurality of times according to the preset thickness;
s700, moving the coated titanium anode plate (1) to a machining position, punching the titanium anode plate (1) and pressing to form a U-shaped structure;
s400 is performed in an integrated coating and drying apparatus, which includes:
the device comprises a machine table (21), wherein the machine table (21) is provided with a clamping unit (22), a coating unit (23), a drying unit (24) and a feeding unit (25), and the clamping unit (22) is connected to two sides of the machine table (21) and used for clamping and maintaining the preset height of two ends of the titanium anode plate (1); the coating unit (23) and the drying unit (24) are both connected to the top end of the machine table (21), the coating unit (23) is used for coating noble metal coating liquid on the surface of the titanium anode plate (1), the drying unit (24) is used for drying the surface of the coated titanium anode plate (1), the feeding unit (25) is connected to the top end and the side end of the machine table (21), and two output ends of the feeding unit (25) are respectively connected with the coating unit (23) and the drying unit (24) and are used for adjusting the positions of the coating unit (23) and the drying unit (24) to be matched with the position of the titanium anode plate (1);
the drying unit (24) includes:
the hydraulic box (31), the hydraulic box (31) is connected with output ends of the feeding unit (25), the top end and the bottom end of the hydraulic box (31) are respectively provided with output ends, and the hydraulic box (31) is positioned at one side of the titanium anode plate (1) along the width direction during drying;
the two drying boxes (33) are respectively connected with two output ends of the hydraulic box (31) through the transverse frame (32), the two drying boxes (33) are symmetrically arranged on the upper side and the lower side of the titanium anode plate (1) and are surrounded to form a drying chamber, and the drying boxes (33) are connected with heat supply equipment and are used for providing heat for drying the titanium anode plate (1); the drying box (33) at the upper part comprises:
the heat preservation box (34), heat preservation box (34) are connected in stoving case (33) bottom and opening setting, and heat preservation box (34) are provided with breach (35) along titanium anode plate (1) length direction's both sides, and the height of breach (35) is greater than half of titanium anode plate (1) thickness.
3. The process for preparing an insoluble anode of a composite copper foil according to claim 2, wherein the drying unit (24) further comprises:
the exhaust box (36), exhaust box (36) are connected in stoving case (33) both sides end and with insulation can (34) intercommunication, and exhaust box (36) outside end opening sets up to exhaust box (36) opening part is connected with filter (37), and exhaust box (36) are set up to the inclined plane with insulation can (34) lateral wall junction.
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| CN202311401846.1A CN117127227B (en) | 2023-10-27 | 2023-10-27 | Insoluble anode of composite copper foil and preparation process thereof |
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| CN202311401846.1A CN117127227B (en) | 2023-10-27 | 2023-10-27 | Insoluble anode of composite copper foil and preparation process thereof |
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| CN117127227B true CN117127227B (en) | 2023-12-29 |
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| CN217378065U (en) * | 2022-04-29 | 2022-09-06 | 东莞市佳凡智能科技有限公司 | Jet flow anode device for horizontal electroplating equipment |
| CN218969382U (en) * | 2022-11-10 | 2023-05-05 | 宝鸡永吉泰金属科技股份有限公司 | U-shaped titanium alloy anode plate |
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