CN220224411U - Wave insoluble anode device - Google Patents
Wave insoluble anode device Download PDFInfo
- Publication number
- CN220224411U CN220224411U CN202321565097.1U CN202321565097U CN220224411U CN 220224411 U CN220224411 U CN 220224411U CN 202321565097 U CN202321565097 U CN 202321565097U CN 220224411 U CN220224411 U CN 220224411U
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- Prior art keywords
- titanium mesh
- titanium
- fixing
- fixing plate
- mesh
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- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 199
- 239000010936 titanium Substances 0.000 claims abstract description 42
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 42
- 125000006850 spacer group Chemical group 0.000 claims 2
- 238000009713 electroplating Methods 0.000 abstract description 26
- 230000000694 effects Effects 0.000 abstract description 10
- 230000001965 increasing effect Effects 0.000 abstract description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 7
- 239000010949 copper Substances 0.000 description 7
- 229910052802 copper Inorganic materials 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000007747 plating Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Electroplating Methods And Accessories (AREA)
Abstract
The utility model discloses a wave-shaped insoluble anode device which comprises a first titanium net, a second titanium net and a fixing assembly, wherein the first titanium net and the second titanium net are assembled and fixed through the fixing assembly to form a double-layer titanium net, and the first titanium net and the second titanium net are both in wave-shaped or curved-surface shapes. According to the utility model, the anode titanium mesh is designed into a wavy or curved shape, so that the area of the anode is increased, the ratio of the cathode area to the anode area is reduced, and the electroplating effect is improved.
Description
Technical Field
The utility model belongs to the technical field of anodes for electroplating, and particularly relates to a wave-shaped insoluble anode device.
Background
For the electroplating process, the majority of the conventional electroplating methods in the PCB industry adopt a soluble anode (a dissolution type anode), but the method has great defects: (1) high current densities can lead to anode passivation; (2) The generation of anode slime can pollute electrolyte and influence the quality of a plating layer; (3) the addition of phosphorus increases the production cost; therefore, a new process using an insoluble anode in PCB plating has been a trend.
DSA (DimensionallyStableAnode), namely the coated titanium anode, has the advantages of geometric dimensional stability, geometric shape diversity, chemical stability, low anode potential, low current density requirement, no pollution, long service life and the like, and greatly contributes to improving the product quality, increasing the economic benefit, enhancing the production management and the like in the electroplating process. Titanium plates or titanium nets are often adopted as titanium matrixes, so that the flowing circulation of electroplating liquid can be greatly enhanced, bubble accumulation during electrochemical reaction is reduced, the efficiency is improved, and the energy consumption is reduced.
The anodes used in the current insoluble anode vertical continuous copper plating wires are all flat anodes, for example, the length of a 3m copper cylinder and the depth of a plate are designed to be 750mm, the length of the anodes configured by current equipment manufacturers is generally about 2.65m, the height of the anodes is generally about 20mm lower than the 750mm of the copper cylinder, the ratio of the anode area of a titanium mesh (including the area at a hollowed hole) to the overall length-width dimension area ratio of the titanium mesh is about 1.2 according to the current titanium mesh design, if a double-layer titanium mesh is used, the anode coefficient far away from a cathode is only 50% of the anode coefficient near the cathode, namely, the ratio of the anode area of the double-layer titanium mesh to the overall length-width dimension area ratio of the titanium mesh is about 1.8, and the area of a cathode light plate is calculated according to a 3m copper cylinder: 30dm (copper cylinder length) 7.3dm (maximum production plate depth of 750mm cylinder depth is typically 730 mm) =219 dm 2 The number of holes drilled on the current plate is always increased, and the electroplating area of holes in a 3m copper cylinder is 60dm calculated according to the number of holes drilled per pnl plate of 5 ten thousand, the plate thickness of 1.6mm and the thickness-to-diameter ratio of 6:1 with the imposition size of 520 x 730mm 2 Actual cathodic plating area: 279dm 2 The method comprises the steps of carrying out a first treatment on the surface of the Anode area: 26.5dm (titanium mesh length) ×7.3dm (titanium mesh height) ×1.8 (double layer titanium mesh anode area coefficient) =348 dm) 2 Then the yin-yang area ratio=1: 1.24.
according to the current test result, the smaller the ratio of the cathode area to the anode area, the better the electroplating effect, the better the depth capability, the smaller the difference between the dense holes and the copper thickness of the isolated position, and the thicker the PCB towards the higher and thicker the thickness-diameter ratio, the larger the corresponding electroplating area under the same hole number, or the larger the corresponding electroplating area with the larger hole number, the larger the corresponding ratio of the cathode area to the anode area, the worse the electroplating effect, so that the insoluble anode device needs to be redesigned.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide a wave-shaped insoluble anode device, wherein the anode titanium mesh is designed into a wave-shaped or curved surface shape so as to improve the area of an anode, further reduce the ratio of the cathode area to the anode area and improve the electroplating effect.
In order to solve the technical problems, the utility model provides a wavy insoluble anode device, which comprises a first titanium mesh, a second titanium mesh and a fixing assembly, wherein the first titanium mesh and the second titanium mesh are assembled and fixed through the fixing assembly to form a double-layer titanium mesh, and the shapes of the first titanium mesh and the second titanium mesh are wavy or curved.
Further, the first titanium mesh and the second titanium mesh are both provided with a plurality of wavy protruding portions towards the same side in a protruding mode, and the protruding portions are sequentially arranged along the length direction of the first titanium mesh or the second titanium mesh.
Further, the fixing assembly comprises a flat fixing plate and a plurality of screws, the fixing plate is used for fixing the first titanium mesh and the second titanium mesh in an assembling mode through the screws, and the fixing plate and the first titanium mesh are respectively located on two sides of the second titanium mesh.
Further, the fixing plate extends along the length direction of the first titanium mesh or the second titanium mesh, and at least one screw for fixing the first titanium mesh and the second titanium mesh on the fixing plate is arranged at the trough of each protruding portion.
Further, the fixing plate extends along the length direction of the first titanium mesh or the second titanium mesh, and at least one screw for fixing the first titanium mesh and the second titanium mesh on the fixing plate is arranged at the trough of every two protruding parts.
Further, the fixing assembly further comprises a plurality of gaskets sleeved on the screws in a one-to-one correspondence manner, and the gaskets are positioned between the first titanium mesh and the second titanium mesh; the fixing plates are arranged in parallel, and a connecting plate is arranged between the two fixing plates.
Further, the middle parts of the first titanium mesh and the second titanium mesh are both convexly provided with a curved protruding part towards the same side.
Further, the fixing component comprises a fixing plate and a plurality of screws, the first titanium mesh and the second titanium mesh are assembled and fixed by the fixing plate through the screws, and the fixing plate and the first titanium mesh are respectively positioned at two sides of the second titanium mesh; the fixing assembly further comprises a plurality of gaskets sleeved on the screws in one-to-one correspondence, and the gaskets are located between the first titanium mesh and the second titanium mesh.
Further, the protruding portion protrudes towards the direction away from the fixed plate, an arc-shaped portion matched with the curved surface of the protruding portion is arranged in the middle of the fixed plate, and at least one screw for fixing the first titanium mesh and the second titanium mesh on the fixed plate is arranged at two ends of the arc of the protruding portion.
Further, at least one screw for fixing the first titanium mesh and the second titanium mesh to the fixing plate is also provided at the top of the boss.
The utility model has the following beneficial effects:
according to the utility model, the first titanium mesh and the second titanium mesh in the double-layer titanium mesh are designed into wavy or curved shapes, so that the area of the anode titanium mesh can be increased on the premise of not exceeding the length of the electroplating bath compared with the existing middle straight anode titanium mesh, and the ratio of the cathode area to the anode area in electroplating is reduced, thereby improving the electroplating effect and solving the problem of poor electroplating effect caused by insufficient anode area.
Secondly, set up the screw in the trough department of wave bellying to utilize the screw between two troughs can make the bellying keep in the arch state, increase structural reliability and stability, avoid the titanium net to appear the problem of deformation.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate and do not limit the utility model, and together with the description serve to explain the principle of the utility model:
FIG. 1 is a schematic view of a wave-shaped insoluble anode apparatus in example 1;
FIG. 2 is a schematic view of the embodiment 1 after the fixing plate and the connecting plate are connected;
FIG. 3 is a schematic view of a wave-shaped insoluble anode apparatus according to another embodiment;
FIG. 4 is a schematic view of a wave-shaped insoluble anode apparatus in example 2;
fig. 5 is a schematic view of the embodiment 2 after the fixing plate and the connecting plate are connected.
Detailed Description
For a more complete understanding of the present utility model, reference should be made to the following descriptions and illustrations of the present utility model in conjunction with the accompanying drawings and the detailed description thereof; it should be noted that, the text has descriptions such as "first" and "second" for distinguishing different components, and the like, and does not represent a sequence, and does not limit that "first" and "second" are different types.
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.
Example 1
As shown in fig. 1 or fig. 3, the wave-shaped insoluble anode device in this embodiment includes a first titanium mesh 1, a second titanium mesh 2, and a fixing component, where the first titanium mesh 1 and the second titanium mesh 2 are assembled and fixed by the fixing component to form a double-layer titanium mesh, the first titanium mesh 1 and the second titanium mesh 2 have the same size and shape, and are overlapped or symmetrically arranged front and back after being assembled and fixed, and the shapes of the first titanium mesh 1 and the second titanium mesh 2 are all wave-shaped.
In the above, through designing the first titanium net and the second titanium net in the double-layer titanium net into the wave, compared with the existing middle straight anode titanium net, the area of the anode titanium net can be increased on the premise of not exceeding the length of the electroplating bath, and then the cathode-anode area ratio during electroplating is reduced, so that the electroplating effect is improved, and the problem of poor electroplating effect caused by insufficient anode area is solved.
In an embodiment, the first titanium mesh 1 and the second titanium mesh 2 are provided with a plurality of wavy protruding parts 3 in a protruding way towards the same side, and the plurality of protruding parts 3 are sequentially arranged along the length direction of the first titanium mesh 1 or the second titanium mesh 2, namely, the plurality of wavy protruding parts 3 are arranged on the length direction of the first titanium mesh 1 and the second titanium mesh 2; of course, in other embodiments, the protruding portions of the first titanium mesh and the second titanium mesh may be arranged in opposite directions, resulting in a laterally symmetrical arrangement.
In this embodiment, the fixing component includes a flat fixing plate 4 and a plurality of screws 5, the fixing plate 4 assembles and fixes the first titanium mesh 1 and the second titanium mesh 2 through the screws 5, and the fixing plate 5 and the first titanium mesh 1 are respectively located at two sides of the second titanium mesh 2, so that the protruding parts of the first titanium mesh and the second titanium mesh protrude towards the same side, that is, the screws 5 sequentially pass through the first titanium mesh 1 and the second titanium mesh 2 and are in threaded connection with the fixing plate 4; of course, to the situation that the protruding directions of the protruding parts on the first titanium net and the second titanium net are set to be opposite, the fixing plate is located between the first titanium net 1 and the second titanium net 2, the protruding parts on the first titanium net and the second titanium net are convenient to protrude towards opposite directions, and the screw penetrates through the first titanium net, the fixing plate and the second titanium net in sequence and then is locked by the nut.
In an embodiment, as shown in fig. 1, the fixing plate 4 is arranged to extend along the length direction of the first titanium mesh 1 or the second titanium mesh 2, two ends of the fixing plate 4 extend out of two ends of the second titanium mesh 2 respectively, at least one screw 5 for fixing the first titanium mesh 1 and the second titanium mesh 2 on the fixing plate 4 is arranged at the trough of each protruding part 4, that is, a screw 5 for fixing is arranged at the wave bottom of the arc-shaped two ends of each protruding part 3, and the screws between two adjacent protruding parts are shared by the two screws; the screw is arranged at the trough of the wavy bulge, so that the bulge can be kept in an arched state by using the screw between the two troughs, the reliability and the stability of the structure are improved, and the problem that the titanium mesh deforms is avoided.
In another embodiment, as shown in fig. 3, the fixing plate 4 is disposed to extend along the length direction of the first titanium mesh 1 or the second titanium mesh 2, two ends of the fixing plate 4 extend out of two ends of the second titanium mesh 2 respectively, at least one screw 5 for fixing the first titanium mesh 1 and the second titanium mesh 2 on the fixing plate 4 is disposed at the trough of every two protruding parts 3, and of course, fixing screws 5 are also disposed at the starting point and the end point of the wavy protruding parts; the screw is arranged at the trough of the wavy bulge, so that the bulge can be kept in an arched state by using the screw between the two troughs, the reliability and the stability of the structure are improved, the problem that a titanium net deforms is avoided, the number of screws is reduced as much as possible when the shape of the bulge is kept, and the low assembly efficiency is avoided.
In this embodiment, as shown in fig. 1, the fixing component further includes a plurality of gaskets 6 sleeved on the screws 5 in a one-to-one correspondence manner, and the gaskets 6 are located between the first titanium mesh 1 and the second titanium mesh 2 and used for separating the first titanium mesh 1 and the second titanium mesh 2, so as to avoid the surface contact overlap of the first titanium mesh and the second titanium mesh to affect the surface area thereof, and further affect the ratio of yin to yang area during electroplating.
In this embodiment, as shown in fig. 2, two fixing plates 4 are arranged in parallel, the two fixing plates 4 are distributed in the width direction of the two titanium nets left and right, a connecting plate 7 for connecting the two fixing plates is arranged between the two fixing plates 4, the fixing force and stability of the titanium nets are improved by using a double fixing plate fixing mode, and two screws arranged at each trough are connected and fixed in a one-to-one correspondence manner with the two fixing plates.
Example 2
As shown in fig. 4, the wave-shaped insoluble anode device shown in this embodiment includes a first titanium mesh 1, a second titanium mesh 2 and a fixing component, where the first titanium mesh 1 and the second titanium mesh 2 are assembled and fixed by the fixing component to form a double-layer titanium mesh, the dimensions and shapes of the first titanium mesh 1 and the second titanium mesh 2 are the same, the projections of the first titanium mesh 1 and the second titanium mesh 2 overlap before and after assembly and fixation, and a curved protrusion 3 is protruding towards the same side from the middle of the first titanium mesh 1 and the second titanium mesh 2.
In the above, through designing the first titanium net and the second titanium net in the double-layer titanium net into curved surface shape, the curved surface structure is utilized, compared with the prior anode titanium net with a straight shape, the area of the anode titanium net can be increased on the premise of not exceeding the length of the electroplating bath, and then the ratio of the cathode area to the anode area in electroplating is reduced, so that the electroplating effect is improved, and the problem of poor electroplating effect caused by insufficient anode area is solved.
In this embodiment, as shown in fig. 4, the fixing component includes a fixing plate 4 and a plurality of screws 5, the fixing plate 4 assembles and fixes the first titanium mesh 1 and the second titanium mesh 2 through the screws 5, and the fixing plate 5 and the first titanium mesh 1 are respectively located at two sides of the second titanium mesh 2, so that the protruding portions on the first titanium mesh and the second titanium mesh are protruded towards the same side, that is, the screws 5 sequentially pass through the first titanium mesh 1 and the second titanium mesh 2 and then are in threaded connection with the fixing plate 4.
In this embodiment, the fixing plate 4 is disposed to extend along the length direction of the first titanium mesh 1 or the second titanium mesh 2, and two ends of the fixing plate 4 extend out of two ends of the second titanium mesh 2 respectively; the protruding portion 3 protrudes towards the direction away from the fixed plate 4, the middle part of the fixed plate 4 is provided with an arc portion 41 matched with the curved surface of the protruding portion 3, namely, the protruding direction of the arc portion 41 is consistent with the protruding direction of the protruding portion, the radian of the curved surface is the same, and both ends (namely, the lower position) of the arc of the protruding portion 3 are provided with at least one screw 5 for fixing the first titanium mesh 1 and the second titanium mesh 2 on the fixed plate 4, so that the shape of the protruding portion is kept.
In the embodiment, at least one screw 5 for fixing the first titanium mesh 1 and the second titanium mesh 2 on the fixing plate 4 is also arranged at the arc-shaped top of the protruding part 3; of course, it is also possible to provide a fixed screw at the curved waist of the bulge.
In this embodiment, as shown in fig. 4, the fixing component further includes a plurality of gaskets 6 sleeved on the screws 5 in a one-to-one correspondence manner, and the gaskets 6 are located between the first titanium mesh 1 and the second titanium mesh 2 and used for separating the first titanium mesh 1 and the second titanium mesh 2, so as to avoid the surface contact overlap of the first titanium mesh and the second titanium mesh to affect the surface area thereof, and further affect the ratio of yin to yang area during electroplating.
In this embodiment, as shown in fig. 5, two fixing plates 4 are arranged in parallel, the two fixing plates 4 are distributed in the width direction of the two titanium nets left and right, a connecting plate 7 for connecting the two fixing plates is arranged between the two fixing plates 4, and the fixing force and stability of the titanium nets are improved by using the fixing mode of the double fixing plates.
The foregoing has described in detail the technical solutions provided by the embodiments of the present utility model, and specific examples have been applied to illustrate the principles and implementations of the embodiments of the present utility model, where the above description of the embodiments is only suitable for helping to understand the principles of the embodiments of the present utility model; meanwhile, as for those skilled in the art, according to the embodiments of the present utility model, there are variations in the specific embodiments and the application scope, and the present description should not be construed as limiting the present utility model.
Claims (10)
1. The utility model provides a wave insoluble anode device which characterized in that, includes first titanium net, second titanium net and fixed subassembly, first titanium net and second titanium net pass through fixed subassembly equipment is fixed to form double-deck titanium net, just the shape of first titanium net and second titanium net is wave or curved surface shape.
2. The wavy insoluble anode device of claim 1, wherein the first titanium mesh and the second titanium mesh are provided with a plurality of wavy protruding parts protruding towards the same side, and the protruding parts are sequentially arranged along the length direction of the first titanium mesh or the second titanium mesh.
3. The wave-shaped insoluble anode device according to claim 2, wherein the fixing assembly comprises a flat fixing plate and a plurality of screws, the fixing plate is used for assembling and fixing the first titanium mesh and the second titanium mesh through the screws, and the fixing plate and the first titanium mesh are respectively positioned on two sides of the second titanium mesh.
4. The wave-shaped insoluble anode apparatus as claimed in claim 3, wherein said fixing plate is extended along a length direction of said first titanium mesh or said second titanium mesh, and at least one screw for fixing the first titanium mesh and the second titanium mesh to the fixing plate is provided at a trough of each of said convex parts.
5. The wave-shaped insoluble anode device according to claim 3, wherein the fixing plate is extended along the length direction of the first titanium mesh or the second titanium mesh, and at least one screw for fixing the first titanium mesh and the second titanium mesh to the fixing plate is provided at each trough of every two protruding parts.
6. The wave-shaped insoluble anode apparatus according to any one of claims 3 to 5, wherein said fixing assembly further comprises a plurality of spacers sleeved on said screws in one-to-one correspondence, and said spacers are located between said first titanium mesh and said second titanium mesh; the fixing plates are arranged in parallel, and a connecting plate is arranged between the two fixing plates.
7. The wave-shaped insoluble anode device according to claim 1, wherein the middle parts of the first titanium mesh and the second titanium mesh are provided with a convex part in a curved shape in a convex manner towards the same side.
8. The wave-shaped insoluble anode apparatus according to claim 7, wherein said fixing assembly comprises a fixing plate and a plurality of screws, said fixing plate is used for fixing said first titanium mesh and said second titanium mesh by assembling said screws, and said fixing plate and said first titanium mesh are respectively positioned at both sides of said second titanium mesh; the fixing assembly further comprises a plurality of gaskets sleeved on the screws in one-to-one correspondence, and the gaskets are located between the first titanium mesh and the second titanium mesh.
9. The wave-shaped insoluble anode assembly of claim 8, wherein said protruding portion protrudes away from said fixing plate, an arc portion is provided at a central portion of said fixing plate to match with a curved surface of said protruding portion, and at least one screw for fixing the first titanium mesh and the second titanium mesh to the fixing plate is provided at both arc ends of said protruding portion.
10. The wave-shaped insoluble anode means of claim 9, wherein at least one of said screws for fixing the first titanium mesh and the second titanium mesh to the fixing plate is also provided at the top of said protruding portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321565097.1U CN220224411U (en) | 2023-06-16 | 2023-06-16 | Wave insoluble anode device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321565097.1U CN220224411U (en) | 2023-06-16 | 2023-06-16 | Wave insoluble anode device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220224411U true CN220224411U (en) | 2023-12-22 |
Family
ID=89197795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321565097.1U Active CN220224411U (en) | 2023-06-16 | 2023-06-16 | Wave insoluble anode device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220224411U (en) |
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2023
- 2023-06-16 CN CN202321565097.1U patent/CN220224411U/en active Active
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