CN211339720U - Clamp for preventing copper from being wrapped on plate edge - Google Patents
Clamp for preventing copper from being wrapped on plate edge Download PDFInfo
- Publication number
- CN211339720U CN211339720U CN201921952782.3U CN201921952782U CN211339720U CN 211339720 U CN211339720 U CN 211339720U CN 201921952782 U CN201921952782 U CN 201921952782U CN 211339720 U CN211339720 U CN 211339720U
- Authority
- CN
- China
- Prior art keywords
- clamping
- adjacent
- main body
- clamping jaws
- clamp
- Prior art date
- 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.)
- Active
Links
Images
Landscapes
- Electroplating Methods And Accessories (AREA)
Abstract
The utility model discloses a clamp for preventing plate edges from being coated with copper, which comprises a first main body and a plurality of second main bodies respectively connected with the first main body; the first main body comprises a first pressing part and a plurality of first clamping jaws connected to the lower end of the first pressing part, and the minimum gap between every two adjacent first clamping jaws on the same first main body is 0-1 mm; the second main body comprises a second pressing part and a plurality of second clamping jaws connected to the lower end of the second pressing part, and the minimum gap between every two adjacent second clamping jaws on the same second main body is 0-1 mm; the minimum clearance between two adjacent second clamping jaws of two adjacent second main bodies on the same first main body is 0-1 mm; when the clamps are mutually abutted, the minimum gap between two adjacent first clamping jaws of two adjacent first main bodies is between 0 and 2mm, and the minimum gap between two adjacent second clamping jaws of two adjacent second main bodies is between 0 and 2 mm. This scheme can avoid PCB flange copper clad, improves the homogeneity of PCB copper-plating effect.
Description
Technical Field
The utility model relates to a printed circuit field, specific be an anchor clamps for preventing flange copper clad.
Background
In the copper plating process of the PCB, the PCB is usually clamped and fixed on the mobile device by using a specific clamp, and specifically, a plurality of clamps are fixed on the mobile device and arranged corresponding to the to-be-clamped area on the PCB. After the clamp clamps the PCB, the moving device can move up and down relative to the plating bath so as to immerse the PCB in the plating bath or withdraw the PCB out of the plating bath.
To ensure that the entire piece of PCB is immersed in the plating solution, at least a portion of the fixture is also immersed in the plating solution. In the copper plating process, if the gap between the clamping jaws of a single clamp or a plurality of clamps is too large, the anode current in the plating solution can form a plating layer on the PCB surface of the cathode through the clamping jaws, that is, the plating layer (commonly called as PCB edge copper-clad) can be generated on the PCB corresponding to the gap between the two clamping jaws, and the plating layer can not be generated or only a very thin plating layer can be generated on the PCB corresponding to the clamping jaws because the clamping jaws block the plating layer. Therefore, the thickness of the plating layer on the edge of the PCB is uneven, which greatly affects the alignment difference of the subsequent process and reduces the yield of the product.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the embodiment of the utility model provides a clamp for preventing the plate edge from copper clad, it is used for solving at least one of above-mentioned problem.
The embodiment of the application discloses: a clamp for preventing copper cladding of plate edges comprises a first main body and a plurality of second main bodies respectively connected with the first main body; the first main body comprises a first pressing part and a plurality of first clamping jaws connected to the lower end of the first pressing part, and the minimum gap between every two adjacent first clamping jaws on the same first main body is 0-1 mm; the second main body comprises a second pressing part and a plurality of second clamping jaws connected to the lower end of the second pressing part, and the minimum gap between every two adjacent second clamping jaws on the same second main body is 0-1 mm; the minimum gap between two adjacent second clamping jaws of two adjacent second main bodies on the same first main body is 0-1 mm; when a plurality of the clamps are mutually abutted, the minimum gap between two adjacent first clamping jaws of two adjacent first main bodies is between 0 and 2mm, and the minimum gap between two adjacent second clamping jaws of two adjacent second main bodies is between 0 and 2 mm.
Specifically, each of the clamps includes two of the second bodies.
Specifically, the first body comprises four first clamping jaws.
In particular, the second body comprises two of the second jaws.
Specifically, the first clamping jaw comprises a first connecting portion and a first clamping portion, one end of the first connecting portion is connected with the first pressing portion, the other end of the first connecting portion is connected with the first clamping portion, and the area of the first clamping portion is larger than that of the first connecting portion.
Specifically, the first connecting portion and the first clamping portion are integrally formed or detachably connected.
Specifically, the second clamping jaw comprises a second connecting portion and a second clamping portion, one end of the second connecting portion is connected with the second pressing portion, the other end of the second connecting portion is connected with the second clamping portion, and the area of the second clamping portion is larger than that of the second connecting portion.
Specifically, the second connecting portion and the second clamping portion are integrally formed or detachably connected.
Specifically, the surfaces of the first clamping jaw and the second clamping jaw are provided with insulating layers.
The utility model has the advantages as follows: the anchor clamps in this embodiment, the minimum clearance control between the clamping jaw on single anchor clamps is in the within range between 0 ~ 1mm, and the minimum clearance control between two adjacent clamping jaws on two adjacent anchor clamps is in the within range between 0 ~ 2mm, can effectively shield the electric current between the clamping jaw, avoids in copper facing in-process, and copper clad on the PCB between two adjacent clamping jaws can improve the homogeneity of PCB copper facing effect. In addition, the first body and the second body are provided with a plurality of clamping jaws, and when one or more clamping jaws are deformed, the other clamping jaws can have a clamping effect, so that the effectiveness of the clamp is ensured, and the service life of the clamp is prolonged.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic front view of a fixture for preventing copper cladding on board edges according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a schematic back structural view of the clamp for preventing copper cladding on board edges according to the embodiment of the present invention.
Reference numerals of the above figures: 1. a first body; 11. a first pressing part; 12. a first jaw; 121. a first connection portion; 122. a first clamping portion; 2. a second body; 21. a second pressing part; 22. a second jaw; 221. a second connecting portion; 222. a second clamping portion.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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.
Referring to fig. 1 to 3, the clamp for preventing copper cladding on board edges in the present embodiment includes a first body 1 and a plurality of second bodies 2, the plurality of second bodies 2 are connected to the first body 1 in parallel, and generally, the first body 1 and the second bodies 2 may be connected by a flexible spring (not shown). The first body 1 comprises a first pressing part 11 and a plurality of first clamping jaws 12 connected to the lower end of the first pressing part 11; the second body 2 includes a second pressing portion 21 and a plurality of second jaws connected to a lower end of the second pressing portion 21; the plurality of second bodies 2 are connected to the first pressing portion 11 of the first body 1 via the second pressing portions 21, respectively. The minimum clearance between two adjacent first clamping jaws 12 on the same first main body 1 is between 0 and 1 mm; the minimum clearance between two adjacent second clamping jaws 22 on the same second main body 2 is between 0 and 1 mm; the minimum clearance between two adjacent second clamping jaws 22 of two adjacent second bodies 2 on the same first body 1 is between 0 and 1 mm. When the plurality of clamps are simultaneously arranged on the moving device (not shown in the figure), and the plurality of clamps are mutually abutted, the minimum gap between two adjacent first clamping jaws 12 on two adjacent first main bodies 1 is between 0 and 2mm, and the minimum gap between two adjacent second clamping jaws 22 on two adjacent second main bodies 2 is between 0 and 2 mm. Generally speaking, on same anchor clamps, the minimum clearance between two adjacent clamping jaws is between 0 ~ 1mm, and when mutual butt between the anchor clamps of difference, the clearance between two adjacent clamping jaws on different anchor clamps is between 0 ~ 2 mm.
Adopt above-mentioned structure, anchor clamps in this embodiment, the minimum clearance control between the clamping jaw on single anchor clamps is in the within range between 0 ~ 1mm, and the minimum clearance control between two adjacent clamping jaws on two adjacent anchor clamps is in the within range between 0 ~ 2mm, can effectively shield the electric current between the clamping jaw, avoids at the copper facing in-process, and copper clad on the PCB between two adjacent clamping jaws can improve the homogeneity of PCB copper facing effect. In addition, the first body 1 and the second body 2 are provided with a plurality of clamping jaws, and when one or more clamping jaws are deformed, the other clamping jaws can have a clamping effect, so that the effectiveness of the clamp is ensured, and the service life of the clamp is prolonged.
Specifically, as shown in fig. 1 and 3, each clamp may generally include two second bodies 2, 4 first jaws 12 may be included on each first body 1, and two second jaws 22 may be included on each second body 2. Further, each first clamping jaw 12 includes a first connecting portion 121 and a first clamping portion 122, one end of the first connecting portion 121 is connected to the first pressing portion 11, and the other end is connected to the first clamping portion 122. Preferably, the area of the first clamping portion 122 is larger than that of the first connecting portion 121. Similarly, the second jaw 22 includes a second connecting portion 221 and a second clamping portion 222, one end of the second connecting portion 221 is connected to the second pressing portion 21, the other end is connected to the second clamping portion 222, and the area of the second clamping portion 222 is larger than that of the second connecting portion 221. The first clamping portion 122 and the second clamping portion 222 are matched one by one to clamp the PCB, and at least a portion of the first clamping portion 122 and the second clamping portion 222 is immersed in the plating solution along with the PCB. Therefore, when the area of the first clamping portion 122 is larger than the area of the first connecting portion 121 and the second clamping portion 222 is larger than the area of the second connecting portion 221, the length of the first clamping portion 122 and the second clamping portion 222 should be larger than the length of the portion thereof immersed in the plating solution, and in particular, the length of the first clamping portion 122 and the second clamping portion 222 can be set between 40 mm and 45 mm.
By means of the scheme, the clamping jaw in the embodiment can be divided into the connecting part and the clamping part with different areas, only the minimum gap between the two corresponding clamping parts is required to meet the preset range, and the length of the clamping part is set to be larger than the depth of the clamping part immersed in the plating solution, so that copper can be prevented from being wrapped on the PCB between the two adjacent clamping parts. Therefore, the whole area of the clamping jaw can be reduced, and materials are saved.
Specifically, the first connecting portion 121 and the first clamping portion 122 may be connected in an integrated manner or detachably. Similarly, the connection mode of the second connection portion 221 and the second clamping portion 222 may be integrally formed or detachable. The two connection modes have the advantages that when the connecting part and the clamping part are integrally formed, the clamping jaw is simple in processing mode and high in processing precision; when the two parts are detachably connected, the deformed clamping part can be replaced independently, so that the cost is reduced.
Specifically, the surfaces of the first clamping jaw 12 and the second clamping jaw 22 are provided with an insulating layer, the insulating layer can be made of Teflon (Teflon), and the insulating layer can prevent the surfaces of the first clamping jaw 12 and the second clamping jaw 22 from being plated with copper when entering the plating solution.
The present invention has been explained by using specific embodiments, and the explanation of the above embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (9)
1. A clamp for preventing copper cladding on plate edges is characterized by comprising a first main body and a plurality of second main bodies respectively connected with the first main body; the first main body comprises a first pressing part and a plurality of first clamping jaws connected to the lower end of the first pressing part, and the minimum gap between every two adjacent first clamping jaws on the same first main body is 0-1 mm; the second main body comprises a second pressing part and a plurality of second clamping jaws connected to the lower end of the second pressing part, and the minimum gap between every two adjacent second clamping jaws on the same second main body is 0-1 mm; the minimum gap between two adjacent second clamping jaws of two adjacent second main bodies on the same first main body is 0-1 mm; when a plurality of the clamps are mutually abutted, the minimum gap between two adjacent first clamping jaws of two adjacent first main bodies is between 0 and 2mm, and the minimum gap between two adjacent second clamping jaws of two adjacent second main bodies is between 0 and 2 mm.
2. The clamp of claim 1, wherein each said clamp includes two said second bodies.
3. The clamp of claim 1, wherein said first body comprises four of said first jaws.
4. The clamp of claim 1, wherein said second body comprises two of said second jaws.
5. The clamp according to claim 1, wherein the first clamping jaw comprises a first connecting portion and a first clamping portion, one end of the first connecting portion is connected with the first pressing portion, the other end of the first connecting portion is connected with the first clamping portion, and the area of the first clamping portion is larger than that of the first connecting portion.
6. The clamp of claim 5, wherein the first connecting portion and the first clamping portion are integrally formed or removably connected.
7. The clamp according to claim 1, wherein the second clamping jaw includes a second connecting portion and a second clamping portion, one end of the second connecting portion is connected to the second pressing portion, the other end of the second connecting portion is connected to the second clamping portion, and an area of the second clamping portion is larger than an area of the second connecting portion.
8. The clip of claim 7, wherein the second connecting portion and the second clamping portion are integrally formed or removably connected.
9. A clamp as claimed in claim 1, wherein the surfaces of the first and second jaws are provided with an insulating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921952782.3U CN211339720U (en) | 2019-11-12 | 2019-11-12 | Clamp for preventing copper from being wrapped on plate edge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921952782.3U CN211339720U (en) | 2019-11-12 | 2019-11-12 | Clamp for preventing copper from being wrapped on plate edge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211339720U true CN211339720U (en) | 2020-08-25 |
Family
ID=72091490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921952782.3U Active CN211339720U (en) | 2019-11-12 | 2019-11-12 | Clamp for preventing copper from being wrapped on plate edge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211339720U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111970840A (en) * | 2020-08-28 | 2020-11-20 | 李钟波 | Printed circuit board etching device |
-
2019
- 2019-11-12 CN CN201921952782.3U patent/CN211339720U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111970840A (en) * | 2020-08-28 | 2020-11-20 | 李钟波 | Printed circuit board etching device |
| CN111970840B (en) * | 2020-08-28 | 2021-05-18 | 李钟波 | Printed circuit board etching device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1226846A (en) | Method for electroplating non-metallic surfaces | |
| CN211339720U (en) | Clamp for preventing copper from being wrapped on plate edge | |
| JP2008121097A (en) | Electroplating apparatus, electroplating method and plating jig | |
| CN106968007A (en) | It is a kind of to accompany plating plate and preparation method thereof applied to graphic plating VCP techniques | |
| JP2010095762A (en) | Electroplating method | |
| CN103225094B (en) | The guard method of a kind of blind hole plate plating single-sided current | |
| CN102383169B (en) | Assistant plate bar of vertical plating line and method for vertical electroplating of PCB plate | |
| US4482445A (en) | Methods and apparatus for electrochemically deburring perforate metallic clad dielectric laminates | |
| CN210287567U (en) | Electroplating clamp | |
| CN115623680A (en) | Method for balancing current during processing of PCB positive sheet | |
| CN211152353U (en) | Frame for gold plating of thin printed circuit board | |
| CN204455338U (en) | For the electroplating clamp of printed circuit board (PCB) | |
| CN209593948U (en) | It is a kind of to reduce ill-exposed device | |
| CN106714451A (en) | Composite printed circuit board and manufacturing method thereof | |
| CN214572325U (en) | Electroplating cathode shielding device | |
| CN217143658U (en) | Product tool for overcoming minimum size of vertical continuous copper electroplating wire product | |
| CN217600886U (en) | Special tool for processing PCB thin plate | |
| CN215713466U (en) | Auxiliary jig for electroplating substrate | |
| CN110996543A (en) | Frame for gold plating of thin printed circuit board | |
| CN218450753U (en) | Improve cross section structure of base plate line cutting effect | |
| CN112359399A (en) | Electroplating cathode shielding device | |
| CN102828224B (en) | Splinting approach during a kind of pcb board plating | |
| CN217948309U (en) | Local electro-coppering tool board of FPCB | |
| CN108617103A (en) | Jigsaw structure | |
| JP2015108186A (en) | Method and apparatus for plating terminal member, and terminal member |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |