CN210826398U - Shielding plate for electrolytic copper foil anode tank - Google Patents
Shielding plate for electrolytic copper foil anode tank Download PDFInfo
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- CN210826398U CN210826398U CN202020554397.XU CN202020554397U CN210826398U CN 210826398 U CN210826398 U CN 210826398U CN 202020554397 U CN202020554397 U CN 202020554397U CN 210826398 U CN210826398 U CN 210826398U
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Abstract
The utility model provides a shield plate for electrolytic copper foil anode tank belongs to electrolytic copper foil technical field, the device is including interconnect's shielding part and installation department, and the contained angle between shielding part and the installation department is α, and contained angle α equals with the contained angle between anode tank overflow mouth and the adjacent anode plate, and the installation department is installed at anode tank overflow mouth edge, and the shielding part parallels with the anode plate that is close to anode tank overflow mouth, and its width is less than this anode plate width.
Description
Technical Field
The utility model relates to an electrolytic copper foil technical field particularly, relates to a shield plate for electrolytic copper foil anode groove.
Background
The foil production machine mainly comprises a cathode roller and an anode tank, wherein the roller surface of the cathode roller is made of pure titanium, the outer diameter of the cathode roller is 2016mm, the effective width of the roller surface is 1380mm, and the cathode roller is placed above the anode tank during production; the anode groove is a semi-arc pure titanium anode groove, an anode plate with a special coating is arranged in the anode groove, the effective width dimension of the anode is 1380mm, the radius of the semi-arc anode groove is 1013mm, the arc length is 3180mm, a liquid inlet is arranged at the bottom of the semi-arc, the length is 1380mm, the width is 25mm, two ends of the anode groove are provided with electrolyte overflow ports, and the electrolyte flows in from the liquid inlet and flows out from the anode groove overflow ports after cathode and anode electrolysis; during production, under the action of direct current, divalent copper ions in copper sulfate electrolyte in a foil producing machine move to the interface of the cathode roller, copper atoms are generated through reduction reaction and are focused and crystallized on the surface of the smooth cathode roller which rotates continuously, a rolled copper foil is formed under the condition of continuous stripping, and the thickness uniformity is an important index considering the quality of the electrolytic copper foil.
The thickness uniformity of the electrolytic copper foil refers to the thickness fluctuation range of each point in the width direction of the rolled electrolytic copper foil, and in order to improve the measurement accuracy and facilitate the control of the production process, the thickness of each point is obtained by converting the value of the measured unit area mass of the point without measuring by a micrometer or a micrometer. The fluctuation range of the thickness uniformity (calculated by mass per unit area) of the high-precision electrolytic copper foil is generally required to be within. + -. 2.5%.
In the production, no matter how the liquid feeding system keeps constant pressure and how the liquid feeding tank is modified, the uniformity of the flow of the electrolyte copper sulfate distributed at each point of the cathode roller and the anode tank can be kept as much as possible, but the complete uniformity of the flow at each point cannot be ideally ensured. Due to the comprehensive combination of various factors such as the flow nonuniformity of each point of the electrolyte, the nonuniformity of the polar distance, the nonuniformity of cathode and anode materials and the like, the electrolytic deposition amount at each position on the cathode roller is nonuniform, so that the thickness uniformity deviation of the produced copper foil is overlarge, the unqualified copper foil needs to be recycled for secondary liquid making and foil forming, and the energy consumption is huge.
In the research and development of the problem, the anode plate and the cathode roller at the middle lower part of the anode tank can take up the foil, but the unevenness of the copper foil produced at the anode plate at the overflow port of the anode tank is particularly obvious, and the reason is that when the electrolyte is distributed in the electrolyte feeding system and the electrolyte feeding tank, the area is positioned at the edge of the liquid level, the unevenness of the flow is more obvious, the anode plate coating in the area is stripped, and the reason is that the problem is solved by the following reasons: the problem of how to delay the falling of the coating or how to adjust the flow of each point of the anode plate in time when the coating slightly falls off.
SUMMERY OF THE UTILITY MODEL
In order to make up for above not enough, the utility model provides a shield plate for electrolytic copper foil anode tank aims at improving the electrolyte and distributes and drop and the not enough problem of copper foil thickness homogeneity at the anode plate cladding material that leads to with anode tank each point flow is inhomogeneous.
The utility model discloses a realize like this:
a shielding plate for an electrolytic copper foil anode tank comprises a shielding part and a mounting part which are connected with each other, wherein an included angle between the shielding part and the mounting part is α, the included angle α is equal to an included angle between an anode tank overflow port and an adjacent anode plate, the mounting part is mounted at the edge of the anode tank overflow port, the shielding part is parallel to the anode plate close to the anode tank overflow port, and the width of the shielding part is smaller than the width of the anode plate.
In an embodiment of the present invention, the shielding part is a first edge region, a plurality of shielding regions, and a second edge region, and the number of the shielding regions is the same as the number of the liquid feeding regions formed between the liquid feeding nozzles in the liquid feeding tank.
The utility model discloses an in the embodiment, the one end edge that the installation department was kept away from to each shielded area is the straight line, and adjacent sharp edge meets, and the one end edge that the installation department was kept away from to the whole shielded area of constitution is sharp or broken line for each shielded area shape is rectangle or trapezoidal, and the trapezoidal area of every shielded area is not necessarily equal.
The utility model discloses an in the embodiment, the one end edge that the installation department was kept away from in each shielded area is the pitch arc, and level and smooth connection between the adjacent pitch arc, and the one end edge of constituteing whole shielding portion and keeping away from the installation department is the curve.
In an embodiment of the present invention, the number of the shielding areas is twelve, and the shielding portions are, from left to right, a first edge area, a first shielding area, a second shielding area, a third shielding area, a fourth shielding area, a fifth shielding area, a sixth shielding area, a seventh shielding area, an eighth shielding area, a ninth shielding area, a tenth shielding area, an eleventh shielding area, a twelfth shielding area, and a second edge area respectively.
In an embodiment of the invention, the angle between the shield and the mounting portion is α =80 °.
In an embodiment of the present invention, the shielding part and the mounting part are made of PVC plastic.
(1) The utility model discloses an install the installation department on the anode slot overflow mouth, realize the shielding part to the protection of most marginal anode plate, eliminate the inhomogeneous problem of each point electrolyte flow on the anode plate that is located anode slot overflow mouth position department, cushion the pressure of electrolyte liquid level impact anode plate by the shielding part, make electrolyte follow the shielding part bottom slowly pour into and be close to the anode plate, just so can guarantee the even stability of electrolyte flow as far as possible, only need simple PVC plastic slab processing, the material is easy, simple installation.
(2) When the cathode roller is placed in the anode tank, the margin is left, the margin areas at two ends are arranged, and the liquid feeding area formed between the liquid feeding nozzles is correspondingly provided with an independent shielding area, so that the shape of each shielding area is convenient to adjust, and better shielding is realized.
(3) In order to adapt to the existing universal liquid feeding tank, the edge straight line of the shielding area is arranged, the shielding area is limited to be trapezoidal, the areas are not necessarily equal, the area and the shape of each shielding area are determined by actual copper foil sample weighing, not only is the simple electrolyte pressure buffered, but also the flow condition of the anode tank is known according to the electrodeposition condition of the electrolyte at each point of the cathode roller, so that the arrangement is accurate, the flow and the pressure of the electrolyte on the anode plate are accurately adjusted, and the thickness uniformity of the electrolytic copper foil is greatly improved; because the flow distribution of the anode slot points is continuous and infinite, the edge of the shielding area is set into an arc line, so that the buffering curve of the anode plate flow is smoother, the buffering is closer to the actual condition, and the shielding buffering effect is better.
(4) In order to adapt to most of liquid feeding tanks, the shielding part is divided into 12 parts, the included angle between the shielding part and the mounting part is limited to 80 degrees, and the liquid feeding tank is completely adapted to the existing liquid feeding tank and anode tank structures.
(5) The utility model uses the simplest structure and the lowest price of raw materials, and can shield the unstable electrolyte pressure at the initial stage of the anode plate use; the shape of the anode plate is adjusted at the later stage of use, the anode plate is shielded at the point with large flow, and the point with small flow is not shielded, so that the thickness uniformity of the copper foil is ensured. Therefore, the service life of the anode plate can be greatly prolonged by protecting the coating of the anode plate, and the comparison between multiple sets of equipment shows that the service life of the anode plate provided with the shielding plate can be prolonged to be more than 1/3, and the cost is reduced because the anode plate is expensive and has prolonged service life. The produced copper foil has stable thickness uniformity, which means high yield, low recovery rate and low energy consumption, and especially in the electrolysis industry, the low rework rate has huge achievements in saving electric energy.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of the installation position of the present invention;
fig. 2 is a schematic structural diagram of the present invention;
FIG. 3 is a left side view of FIG. 2;
FIG. 4 is a top view of FIG. 3;
fig. 5 is another schematic structural diagram of the present invention;
fig. 6 is a schematic structural view of embodiment 2 of the present invention.
In the figure: 100-anode groove; 110-an anode plate; 120-anode groove overflow port; 200-a shielding plate; 210-a shield; 220-a mounting portion; 221-edge zone one; 222-edge region two; 2200-a shielding region; 2201-shielding region one; 2202-shield region two; 2203-shielding region three; 2204-shielding region four; 2205-shielding area five; 2206-shield region six; 2207-shield region seven; 2208-eight shielded areas; 2209-shielding region nine; 2210-shield area ten; 2211-eleven shielded areas; 2212-shield area twelve; 230-threaded hole.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to 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", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Example 1
Referring to fig. 1-5, the present invention provides a technical solution:
a shielding plate for an electrolytic copper foil anode slot comprises a shielding part 210 and a mounting part 220 which are connected with each other, wherein the included angle between the shielding part 210 and the mounting part 220 is α, the included angle α is equal to the included angle between an anode slot overflow port 120 and an adjacent anode plate 110, the mounting part 220 is mounted at the edge of the anode slot overflow port 120, the shielding part 210 is parallel to the anode plate 110 close to the anode slot overflow port 120, and the width of the shielding part is smaller than the width of the anode plate 110.
The shielding part 210 is divided into a first edge area 221, a plurality of shielding areas 2200 and a second edge area 222, and the number of the shielding areas is the same as that of the upper liquid areas formed between the upper liquid nozzles in the upper liquid tank; the edge of the shielding region 2200 at the end away from the mounting portion 220 is straight, and the adjacent straight edges meet.
Two different cases can be formed here:
when the edge of one end of the entire shield portion away from the mounting portion 220 is made straight, as shown in fig. 4, the respective shield regions are shaped as rectangles, and the rectangular areas of each shield region are equal.
When the edge of the end of the whole shielding part far from the mounting part 220 is a broken line, as shown in fig. 5, the shape of each shielding region is trapezoidal, and the trapezoidal area of each shielding region is not equal.
The utility model discloses a theory of operation: when the fixing device is used, the mounting part 220 is clamped at the overflow port 120 of the anode slot and can be fixed by passing through the preset threaded hole 230 by using a bolt.
And resetting the cathode roller after the installation is finished, and feeding liquid and collecting foil.
Example 2
Referring to fig. 1-4 and fig. 6, the present invention provides a technical solution:
a shielding plate for an electrolytic copper foil anode tank is made of PVC plastics and comprises a shielding part 210 and a mounting part 220 which are connected with each other, wherein the included angle between the shielding part 210 and the mounting part 220 is 80 degrees and is equal to the included angle between an anode tank overflow port 120 and an adjacent anode plate 110; the mounting portion 220 is mounted on the edge of the anode slot overflow port 120, and after the mounting, the shielding portion 210 is parallel to the anode plate 110 close to the anode slot overflow port 120, and the width of the shielding portion is smaller than that of the anode plate 110.
The shielding part 210 is divided into a first edge area 221, a plurality of shielding areas and a second edge area 222, and the number of the shielding areas is the same as that of the liquid feeding areas formed between the liquid feeding nozzles in the liquid feeding tank; the edge of the shielding region 2200 away from the mounting portion 220 is an arc, the adjacent edges of the arcs are smoothly connected, and the edge of the entire shielding portion 210 away from the mounting portion 220 is a curve.
Specifically, the method comprises the following steps: the shielding portion 210 is, from left to right, a first edge region 221, a first shielding region 2201, a second shielding region 2202, a third shielding region 2203, a fourth shielding region 2204, a fifth shielding region 2205, a sixth shielding region 2206, a seventh shielding region 2207, an eighth shielding region 2208, a ninth shielding region 2209, a tenth shielding region 2210, an eleventh shielding region 2211, a twelfth shielding region 2212, and a second edge region 222.
The arc edges of the above regions are smoothly connected.
The utility model discloses a theory of operation:
1. when the anode plate is just replaced, the width of the shielding part 210 is 100mm as shown in fig. 3, and no cutting is performed, wherein a =100mm and B =90 mm. The mounting portion 220 is fastened to the anode tank overflow port 120 and fixed by a bolt passing through a predetermined screw hole 230.
And resetting the cathode roller after the installation is finished, and feeding liquid and collecting foil.
2. When the anode plate finds that the thickness uniformity of the copper foil is abnormal after being used for a period of time, the shielding part 210 is detached for processing and adjustment, and the specific method comprises the following steps:
(1) sampling:
in the copper foil product produced by the foil forming machine, a sample with the whole width (the whole width is determined by the width of a cathode roller of the foil forming machine of production equipment, and the conventional width is 1382mm) is taken, the length is not less than 300mm, the sample is placed on a sample cutting table, and a standard cutting sample plate (100) is used after the sample is placed 40mm away from the edge±0.1×100±0.1mm) 13 copper foil samples (detailed in the following figure) of 100 × 100mm are cut out continuously from left to right, and are numbered sequentially from left to right, and are placed on an electronic balance with the weighing precision of 1mg to be weighed one by one, the weighed value is multiplied by 100 and then converted into mass per unit area (also called as basis weight), the unit is g/square meter, and the mass per unit area is recorded in table 1, and the average value is calculated and the maximum value is found out.
(2) Data adjustment:
the arc length of the anode plate 110, the total width of the shield plate, and the data from the previous step are combined to calculate data, which is filled in table 1.
TABLE 1
(3) The length B = B1+ B2 of edge region one 221 is determined, where B1=30mm and B2=60 mm. Wherein B1 is half of the difference between the anode plate and the cathode roller so as to ensure the symmetry of the vacant positions at the two ends.
(4) Drawing on a shielding plate:
first, a line graph similar to fig. 4 is drawn according to the data in table 1 and the values of B1 and B2, and then the points are connected by a curve to draw the continuous distribution graph shown in fig. 5.
(5) And cutting and installing according to the drawing.
(6) After the shielding plate is installed, the cathode roller of the foil forming machine is hoisted to the upper part of the anode tank 100 of the foil forming machine, and liquid feeding production is started.
The shielding plate adjusted and cut by the method is specially adapted to the coating falling condition of the anode plate in use, the thickness condition of electrode copper on the cathode roller is adjusted by adjusting the flow of electrolyte on each point of the anode plate, and the uniformity of the thickness of the copper foil can be recovered to be normal by adjusting and shielding, so that the standard requirement is met.
When the thickness uniformity of the copper foil is not enough in the later use stage of the anode plate, the adjustment work of the shielding plate can be carried out, and the anode plate is replaced when the thickness uniformity of the copper foil still does not meet the standard requirement after adjustment.
Therefore, the coating of the anode plate can be protected, the service life of the anode plate is greatly prolonged, the comparison among a plurality of groups of equipment shows that the service life of the anode plate provided with the shielding plate can be prolonged to exceed 1/3, and the cost is reduced because the price of the anode plate is high. The produced copper foil has stable thickness uniformity, which means high yield, low recovery rate and low energy consumption, and especially in the electrolysis industry, the low rework rate has huge achievements in saving electric energy.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The shielding plate for the electrolytic copper foil anode tank is characterized by comprising a shielding part (210) and a mounting part (220) which are connected with each other, wherein an included angle between the shielding part (210) and the mounting part (220) is α, and the included angle α is equal to the included angle between an anode tank overflow port (120) and an adjacent anode plate (110);
the installation part (220) is installed at the edge of the anode slot overflow port (120), the shielding part (210) is parallel to the anode plate (110) close to the anode slot overflow port (120), and the width of the shielding part is smaller than that of the anode plate (110).
2. The shielding plate for the anode tank of the electrolytic copper foil according to claim 1, wherein the shielding part (210) is divided into a first edge region (221), a shielding region (2200) and a second edge region (222), and the number of the shielding regions (2200) is the same as the number of the upper liquid regions formed between the upper liquid nozzles in the upper liquid tank.
3. The shielding plate for an anode tank of an electrolytic copper foil according to claim 2, wherein an end edge of each shielding region (2200) remote from the mounting portion (220) is a straight line, and adjacent straight line edges are connected.
4. The shield plate for an electrolytic copper foil anode tank according to claim 2, wherein an edge of each of the shield portions (2200) remote from the mounting portion (220) is curved, and adjacent curved lines are connected smoothly.
5. The shielding plate for the electrolytic copper foil anode slot according to claim 3 or 4, wherein the number of the shielding regions (2200) is twelve, and the shielding parts (210) are respectively edge region one (221), shielding region one (2201), shielding region two (2202), shielding region three (2203), shielding region four (2204), shielding region five (2205), shielding region six (2206), shielding region seven (2207), shielding region eight (2208), shielding region nine (2209), shielding region ten (2210), shielding region eleven (2211), shielding region twelve (2212) and edge region two (222) from left to right.
6. The shielding plate for an electrolytic copper foil anode tank according to claim 5, wherein an angle between the shielding part (210) and the mounting part (220) is α =80 °.
7. The shielding plate for an anode tank of an electrolytic copper foil according to claim 1, wherein the shielding part (210) and the mounting part (220) are made of PVC plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020554397.XU CN210826398U (en) | 2020-04-15 | 2020-04-15 | Shielding plate for electrolytic copper foil anode tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020554397.XU CN210826398U (en) | 2020-04-15 | 2020-04-15 | Shielding plate for electrolytic copper foil anode tank |
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| CN210826398U true CN210826398U (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020554397.XU Active CN210826398U (en) | 2020-04-15 | 2020-04-15 | Shielding plate for electrolytic copper foil anode tank |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115216813A (en) * | 2022-07-15 | 2022-10-21 | 福建紫金铜箔科技有限公司 | Method for regulating and controlling transverse thickness of copper foil |
| CN115261933A (en) * | 2022-07-15 | 2022-11-01 | 福建紫金铜箔科技有限公司 | Intelligent control method for copper foil thickness |
-
2020
- 2020-04-15 CN CN202020554397.XU patent/CN210826398U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115216813A (en) * | 2022-07-15 | 2022-10-21 | 福建紫金铜箔科技有限公司 | Method for regulating and controlling transverse thickness of copper foil |
| CN115261933A (en) * | 2022-07-15 | 2022-11-01 | 福建紫金铜箔科技有限公司 | Intelligent control method for copper foil thickness |
| CN115216813B (en) * | 2022-07-15 | 2024-04-16 | 福建紫金铜箔科技有限公司 | Method for regulating and controlling transverse thickness of copper foil |
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