CN203938747U - The silver device that moves back for lead frame - Google Patents
The silver device that moves back for lead frame Download PDFInfo
- Publication number
- CN203938747U CN203938747U CN201420361801.6U CN201420361801U CN203938747U CN 203938747 U CN203938747 U CN 203938747U CN 201420361801 U CN201420361801 U CN 201420361801U CN 203938747 U CN203938747 U CN 203938747U
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- CN
- China
- Prior art keywords
- shielding plate
- current shielding
- cell body
- current
- plate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of the silver device that moves back for lead frame, comprise cell body (1), battery lead plate (2), copper bar (3), it also comprises the first current shielding plate (4), the second current shielding plate (5) and the 3rd current shielding plate (6), the first current shielding plate has two, be fixed in cell body between battery lead plate (2) and copper bar (3) (1) and symmetrical along cell body length direction, the second current shielding plate is away from cell body bottom, its two ends are movably connected on the first current shielding plate, the 3rd current shielding plate (6) is near cell body bottom, its two ends are fixedly connected on the first current shielding plate, the second current shielding plate and the 3rd current shielding plate are provided with several and run through passage shielding slab and equal-sized (7), the second current shielding plate (5) is comprised of two moving plates (8).Overburden amount is equal everywhere to lead frame while moving back silver, by current shielding plate, to make electric current, moves back the quality that the rear silvered film of silver has evenly guaranteed product.
Description
Technical field
The utility model relates to a kind of the silver device that moves back for lead frame, especially a kind of the silver device that moves back for rolling electroplating lead frame.
Background technology
When moving back silver, rolling electroplating lead frame conventionally in moving back silver-colored groove, carries out, solution is housed in cell body, in cell body, be provided with on two plate electrode plates and copper bar, battery lead plate becomes positively charged solution, on copper bar, connect power cathode, utilize DC power cathode to have adsorptivity feature, product is placed on copper bar product is moved back to silver.While moving back silver in prior art, lead frame two ends are moved back many, the middle portion of silver near battery lead plate place and are moved back silver and lack, and cause the silvered film of lead frame inhomogeneous.In order addressing this problem in prior art, at lead frame middle portion, to plate more silver, although this method has solved the inhomogeneous problem of silvered film, to waste resource.
Utility model content
The purpose of this utility model is to solve rolling electroplating lead frame to move back the inhomogeneous problem of silvered film after silver.
The technical solution adopted in the utility model is: for the silver device that moves back of lead frame, comprise cell body, battery lead plate, copper bar, it also comprises the first current shielding plate, the second current shielding plate and the 3rd current shielding plate, described the first current shielding plate has two, the cell body being fixed between battery lead plate and copper bar is interior and symmetrical along cell body length direction, described the first current shielding plate near cell body bottom to recessed away from cell body bottom direction, make to form the runner that can pass through for solution between the first current shielding plate and cell body bottom, described the second current shielding plate is away from cell body bottom, its two ends are movably connected on the first current shielding plate, described the 3rd current shielding plate is near cell body bottom, its two ends are fixedly connected on the first current shielding plate, the second described current shielding plate and the 3rd current shielding plate are provided with several and run through passage shielding slab and equal-sized, described the second current shielding plate is comprised of two moving plates, number of channels on each moving plate all equates with the quantity of passage on the 3rd current shielding plate, the quantity that makes the passage on the second current shielding plate is the twice of the quantity of the passage on the 3rd current shielding plate, the quantity of described copper bar equates with the quantity of passage on the 3rd current shielding plate.
The beneficial effects of the utility model are: overburden amount is equal everywhere to lead frame while moving back silver, by current shielding plate, to make electric current, therefore need to not plate more silver at lead frame middle portion, saved cost, and after moving back silver, silvered film is even, has guaranteed the quality of product.
Accompanying drawing explanation
Fig. 1 is the utility model schematic diagram.
Fig. 2 is the side-view of the first current shielding plate.
Fig. 3 is the three-view diagram of the second current shielding plate.
Fig. 4 is the three-view diagram of the 3rd current shielding plate.
Shown in figure: 1 cell body, 2 battery lead plates, 3 copper bars, 4 first current shielding plates, 5 second current shielding plates, 6 the 3rd current shielding plates, 7 passages, 8 moving plates.
Embodiment
Below in conjunction with Fig. 1,2,3,4, the utility model is described further.
As Fig. 1, 2, 3, shown in 4, the silver device that moves back for lead frame, comprise cell body 1, battery lead plate 2, copper bar 3, it is characterized in that it also comprises the first current shielding plate 4, the second current shielding plate 5 and the 3rd current shielding plate 6, described the first current shielding plate 4 has two, the cell body 1 being fixed between battery lead plate 2 and copper bar 3 is interior and symmetrical along cell body length direction, described the first current shielding plate 4 near cell body bottom to recessed away from cell body bottom direction, make to form the runner that can pass through for solution between the first current shielding plate 4 and cell body bottom, described the second current shielding plate 5 is away from cell body bottom, its two ends are movably connected on the first current shielding plate 4, described the 3rd current shielding plate 6 is near cell body bottom, its two ends are fixedly connected on the first current shielding plate 4, the second described current shielding plate 5 and the 3rd current shielding plate 6 are provided with several and run through passage 7 shielding slab and equal-sized, described the second current shielding plate 5 is comprised of two moving plates 8, number of channels on each moving plate is 8, the quantity of the passage on the second current shielding plate is 16, the 3rd current shielding plate, described copper bar 3 has 8.
The utility model packs cell body into solution while using, battery lead plate is connected with positive source, by battery lead plate, solution is become positively charged, on copper bar, connect power cathode and make negative electricity on copper bar band, in copper bar surrounding, be fixedly connected with current shielding plate, by lead frame be placed on copper bar, make coating thinner one facing to the 3rd current shielding plate, , the second current shielding plate 5 and the 3rd current shielding plate 6 are provided with several and run through passage 7 shielding slab and equal-sized, the second current shielding plate 5 is comprised of two moving plates 8, the quantity of the passage on the second current shielding plate is the twice of the quantity of the passage on the 3rd current shielding plate, because the second current shielding plate is flexibly connected (two moving plates 8 are flexibly connected with the first current shielding plate) with the first current shielding plate, by the edge that regulates the position of two moving plates 8 to make it possible to the passage of one of them moving plate, can block the passage of another moving plate, thereby realize the channel sized of adjusting moving plate, thereby can control passed through strength of current, electric current moves back silver by the passage on the second current shielding plate 5 and the 3rd current shielding plate 6 to the middle portion of lead frame, after moving back silver, silvered film is even.
Those skilled in the art should know; protection scheme of the present utility model is not limited only to the above embodiments; can also on the basis of above-described embodiment, carry out various permutation and combination and conversion; under the prerequisite without prejudice to the utility model spirit, the various conversion that the utility model is carried out all drop in protection domain of the present utility model.
Claims (2)
1. for the silver device that moves back of lead frame, comprise cell body (1), battery lead plate (2), copper bar (3), it is characterized in that it also comprises the first current shielding plate (4), the second current shielding plate (5) and the 3rd current shielding plate (6), described the first current shielding plate (4) has two, the cell body (1) being fixed between battery lead plate (2) and copper bar (3) is interior and symmetrical along cell body length direction, the close cell body of described the first current shielding plate (4) bottom is to recessed away from cell body bottom direction, make to form the runner that can pass through for solution between the first current shielding plate (4) and cell body bottom, described the second current shielding plate (5) is away from cell body bottom, its two ends are movably connected on the first current shielding plate (4), described the 3rd current shielding plate (6) is near cell body bottom, its two ends are fixedly connected on the first current shielding plate (4), the second described current shielding plate (5) and the 3rd current shielding plate (6) are provided with several and run through passage shielding slab and equal-sized (7), described the second current shielding plate (5) is comprised of two moving plates (8), number of channels on each moving plate all equates with the quantity of passage on the 3rd current shielding plate, the quantity that makes the passage on the second current shielding plate is the twice of the quantity of the passage on the 3rd current shielding plate, the quantity of described copper bar (3) equates with the quantity of passage on the 3rd current shielding plate.
2. the silver device that moves back for lead frame according to claim 1, is characterized in that described copper bar (3) has 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420361801.6U CN203938747U (en) | 2014-07-02 | 2014-07-02 | The silver device that moves back for lead frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420361801.6U CN203938747U (en) | 2014-07-02 | 2014-07-02 | The silver device that moves back for lead frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203938747U true CN203938747U (en) | 2014-11-12 |
Family
ID=51858078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420361801.6U Expired - Fee Related CN203938747U (en) | 2014-07-02 | 2014-07-02 | The silver device that moves back for lead frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203938747U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114023655A (en) * | 2021-11-12 | 2022-02-08 | 天水华洋电子科技股份有限公司 | Silver removing process for integrated circuit etching lead frame |
-
2014
- 2014-07-02 CN CN201420361801.6U patent/CN203938747U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114023655A (en) * | 2021-11-12 | 2022-02-08 | 天水华洋电子科技股份有限公司 | Silver removing process for integrated circuit etching lead frame |
| CN114023655B (en) * | 2021-11-12 | 2022-05-13 | 天水华洋电子科技股份有限公司 | Silver removing process for integrated circuit etching lead frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141112 Termination date: 20150702 |
|
| EXPY | Termination of patent right or utility model |