CN114457334A - Stripping and hanging groove and using method thereof - Google Patents
Stripping and hanging groove and using method thereof Download PDFInfo
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- CN114457334A CN114457334A CN202210099103.2A CN202210099103A CN114457334A CN 114457334 A CN114457334 A CN 114457334A CN 202210099103 A CN202210099103 A CN 202210099103A CN 114457334 A CN114457334 A CN 114457334A
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- pipeline
- stripping
- hanging
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
- C23F1/08—Apparatus, e.g. for photomechanical printing surfaces
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- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Organic Chemistry (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention discloses a stripping and hanging tank and a using method thereof, belonging to the technical field of PCB pattern electroplating, wherein the stripping and hanging tank comprises a tank body, wherein a stripping and hanging liquid medicine pipeline, a liquid alkali pipeline, a sulfuric acid pipeline, a tap water pipeline and a waste discharge pipeline are respectively connected to the tank body, and the waste discharge pipeline is arranged at the bottom of the tank body; the multifunctional stripping groove has the advantages that one groove of the stripping groove is multipurpose, the problem that tin slag and tin scale are remained on an electroplating chuck in pattern electroplating is solved, the defect of a PCB is avoided, the phenomenon that acid copper water attacks and bites into a tin surface is avoided, a groove body is not additionally designed, and normal production is not delayed.
Description
Technical Field
The invention relates to a stripping and hanging groove and a using method thereof, belonging to the technical field of PCB pattern electroplating.
Background
The rapid development of Printed wiring board (Printed circuit board/PCB) high-speed board, the demand of client market research and development is increasingly obvious, be directed against thin circuit very much, the demand of some high-order boards of intensive circuit is bigger and bigger more and more, all can all the figure electroplate usually, the electrotinning flow, this type PCB board is very high to the requirement of cleanliness factor, some current strip hang in the design, no matter which kind of design figure electroplates the residual tin dross of electroplating chuck after using a period of time, the tin dirt is piled up unable clean of handling, mainly can produce following influence to the product:
1. the electroplating process falls into a groove or onto a board along with the production, so that the defects of the PCB are caused, and inevitable loss is caused to manufacturers and customers;
2. after the tin-plated lower plate is loosened, acid copper water attacks the tin surface due to the fact that scales are seriously hidden in the chuck, particularly the top clamping type clamp, and the tin surface cannot protect the copper surface, so that defects are generated.
Disclosure of Invention
The invention aims to provide a stripping groove and a using method thereof, which realize the multi-purpose of one groove of the stripping groove and solve the problem of residual tin slag and tin scale of an electroplating chuck in pattern electroplating, thereby avoiding the defects of a PCB (printed circuit board) and preventing acid copper water from attacking and reversely biting a tin surface.
In order to realize the purpose, the invention is realized by adopting the following technical scheme:
in a first aspect, the invention provides a stripping and hanging tank, which comprises a tank body, wherein a stripping and hanging liquid medicine pipeline, a liquid alkali pipeline, a sulfuric acid pipeline, a tap water pipeline and a waste discharge pipeline are respectively connected to the tank body, and the waste discharge pipeline is arranged at the bottom of the tank body.
With reference to the first aspect, the steam heating device is further included, and the steam heating device is arranged outside the tank body and is used for heating the inside of the tank body by generating steam.
In combination with the first aspect, the steam heating device further comprises a temperature control device connected with the steam heating device and used for controlling the temperature inside the tank body.
With reference to the first aspect, the air exhaust device further comprises an air exhaust device arranged on the side wall or the top wall of the groove body.
With reference to the first aspect, further, the material of the groove body is SUS 316.
With reference to the first aspect, further, the stripping chemical is a mixed solution of nitric acid or sulfuric acid and hydrogen peroxide.
In a second aspect, the present invention further provides a use method of the peeling groove in any one of the first aspect, including:
when the stripping and hanging device is used, liquid in the tank body is emptied through a waste discharge pipeline, and stripping and hanging liquid medicine is added into the tank body through a stripping and hanging liquid medicine pipeline to start stripping and hanging;
when shutting down the maintenance, through the evacuation of waste pipe with the interior liquid evacuation of cell body, add the running water through running water pipeline in to the cell body and wash, through the evacuation running water of waste pipe pipeline after washing, add liquid caustic soda in to the cell body through the liquid caustic soda pipeline, soak after a period of time through the evacuation liquid caustic soda of waste pipe pipeline, rethread sulfuric acid pipeline adds sulphuric acid in to the cell body and washs, wash through the evacuation sulphuric acid of waste pipe pipeline after the washing, add the running water through running water pipeline in to the cell body and wash, through the evacuation running water of waste pipe pipeline after washing, accomplish the maintenance.
With reference to the second aspect, the method further includes:
after adding the liquid caustic soda into the tank body, opening a temperature control device and an air draft device, and starting to heat and draft the interior of the tank body;
and after the sulfuric acid is drained, the temperature control device and the air draft device are closed, and the temperature rise and the air draft are stopped.
Compared with the prior art, the invention has the following beneficial effects:
the stripping and hanging tank provided by the invention is characterized in that a stripping and hanging liquid medicine pipeline, a liquid alkali pipeline, a sulfuric acid pipeline, a tap water pipeline and a waste discharge pipeline are respectively connected with a tank body, so that the stripping and hanging liquid medicine can be added into the tank body through the stripping and hanging liquid medicine pipeline for normal stripping and hanging use, the stripping and hanging liquid medicine can be emptied through the waste discharge pipeline, tap water is added into the tank body through the tap water pipeline for washing, liquid alkali is added into the tank body for soaking after emptying, sulfuric acid is added into the tank body through the sulfuric acid pipeline for washing after emptying, tap water is added into the tank body through the tap water pipeline for washing after emptying, and shutdown maintenance is completed after emptying; in conclusion, the stripping groove and the use method thereof provided by the invention realize that one groove of the stripping groove has multiple purposes, solve the problem that tin slag and tin scale are remained on an electroplating chuck in pattern electroplating, avoid the defects of a PCB (printed circuit board), prevent acid copper water from attacking and reversely biting a tin surface, and do not additionally design a groove body and delay normal production.
Drawings
Fig. 1 is a schematic structural diagram of a peeling groove according to an embodiment of the present invention.
In the figure: 1. stripping and hanging a liquid medicine pipeline; 2. a liquid caustic soda pipeline; 3. a sulfuric acid pipeline; 4. a tap water pipeline; 5. an air draft device; 6. a steam heating device; 7. a waste discharge pipeline.
Detailed Description
The present invention is further described with reference to the accompanying drawings, and the following examples are only for clearly illustrating the technical solutions of the present invention, and should not be taken as limiting the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus are not to be construed as limiting the invention; furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated; thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature; in the description of the invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other; the specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Example 1
As shown in fig. 1, the stripping tank according to the embodiment of the present invention includes a tank body, a stripping chemical liquid pipeline 1, a liquid caustic soda pipeline 2, a sulfuric acid pipeline 3, a tap water pipeline 4, a waste discharge pipeline 7, an air draft device 5, and a steam heating device 6.
In this embodiment, the tank body is rectangular, and a waste discharge pipe 7 is connected to the bottom of the tank body, and is used for discharging the stripping liquid medicine inside the tank body during normal stripping use, or discharging the liquid caustic soda/sulfuric acid/tap water inside the tank body during shutdown maintenance, and is arranged at the bottom of the tank body to facilitate thorough liquid discharge.
In this embodiment, shell and hang liquid medicine pipeline 1, liquid caustic soda pipeline 2, sulphuric acid pipeline 3, running water pipeline 4 and set up side by side in the top edge of cell body, be connected with the cell body respectively and have independent switch separately.
The stripping and hanging liquid medicine pipeline 1 is used for adding stripping and hanging liquid medicine into the tank body when the stripping and hanging tank is normally stripped and hung for use, and in the embodiment, the stripping and hanging liquid medicine is mixed solution of nitric acid or sulfuric acid and hydrogen peroxide.
The liquid caustic soda pipeline 2 is used for adding liquid caustic soda into the tank body when the stripping tank is stopped for maintenance, and the added liquid caustic soda is used for soaking to help to remove tin slag and tin scale on the electroplating chuck.
The sulfuric acid pipeline 3 is used for adding sulfuric acid into the inside of the tank body when the stripping and hanging tank is shut down for maintenance, and the sulfuric acid is added for cleaning, so that tin slag and tin scale on the electroplating chuck can be effectively removed.
The tap water pipeline 4 is used for adding tap water into the tank body when the stripping and hanging tank is shut down for maintenance, and the tank body is cleaned by using the tap water after cleaning is finished, so that no residual cleaning solution (sulfuric acid) is left in the tank body after cleaning is finished.
In this embodiment, the material of the tank body is SUS 316.
The air draft device 5 is arranged on the side wall of the tank body, and can draw out air in the tank body when the stripping and hanging tank works.
The steam heating device 6 is arranged at the periphery of the tank body, the temperature of the inside of the tank body is heated and raised through steam generation, the steam heating device 6 is also connected with a temperature control device, and the temperature control device controls the amount of steam generated by the steam heating device 6 to indirectly control the temperature inside the tank body.
According to the stripping and hanging tank provided by the embodiment of the invention, through the multi-purpose design of the tank, stripping and hanging liquid medicine is used during normal stripping and hanging use, the stripping and hanging liquid medicine is changed into liquid alkali during shutdown maintenance, an electroplating chuck is soaked after being adjusted by certain parameters, waste is discharged after certain time, sulfuric acid is added for cyclic cleaning, tap water is added for cleaning, and pipeline nitric acid is added after cleaning is finished, so that the cleaning of the electroplating chuck is realized, the tank is simple and efficient, and the electroplating chuck is repeatedly ensured not to have obvious tin slag and tin scale residues before normal stripping and hanging use.
Example 2
The embodiment of the invention provides a use method of the stripping and hanging groove in embodiment 1, which comprises the following steps:
when the stripping and hanging device is used, liquid in the tank body is emptied through the waste discharge pipeline 7, and stripping and hanging liquid medicine is added into the tank body through the stripping and hanging liquid medicine pipeline 1 to start stripping and hanging.
When shutting down the maintenance, through exhaust pipe 7 with the interior liquid evacuation of cell body, add the running water through running water pipeline 4 in to the cell body and wash, through exhaust pipe 7 evacuation running water after washing, add liquid caustic soda through liquid caustic soda pipeline 2 in to the cell body, open steam heating device 6 and temperature control device simultaneously and heat up inside the cell body, open updraft ventilator simultaneously and convulsions, soak after a period through exhaust pipe 7 evacuation liquid caustic soda.
Then sulfuric acid is added into the tank body through a sulfuric acid pipeline 3 for cleaning, the sulfuric acid is emptied through a waste discharge pipeline 7 after cleaning is finished, tap water is added into the tank body through a tap water pipeline 4 for washing, and the tap water is emptied through the waste discharge pipeline 7 after washing is finished, so that maintenance is finished.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A stripping and hanging tank is characterized by comprising a tank body, wherein a stripping and hanging liquid medicine pipeline, a liquid alkali pipeline, a sulfuric acid pipeline, a tap water pipeline and a waste discharge pipeline are respectively connected onto the tank body, and the waste discharge pipeline is arranged at the bottom of the tank body.
2. The peeling and hanging groove as claimed in claim 1, further comprising a steam heating device disposed outside the groove body for heating the inside of the groove body by generating steam.
3. A stripping trough according to claim 2, characterized in that it further comprises a temperature control device connected to the steam heating device for controlling the temperature inside the trough body.
4. The peeling and hanging groove as claimed in claim 1, further comprising an air draft device disposed on the side wall or the top wall of the groove body.
5. A stripping trough according to claim 1, characterized in that the material of the trough body is SUS 316.
6. The stripping tank as claimed in claim 1, wherein the stripping chemical is a mixed solution of nitric acid or sulfuric acid and hydrogen peroxide.
7. The use of the stripping trough according to any one of claims 1 to 6, comprising:
when the stripping and hanging device is used, liquid in the tank body is emptied through a waste discharge pipeline, and stripping and hanging liquid medicine is added into the tank body through a stripping and hanging liquid medicine pipeline to start stripping and hanging;
when shutting down the maintenance, through the evacuation of waste pipe with the interior liquid evacuation of cell body, add the running water through running water pipeline in to the cell body and wash, through the evacuation running water of waste pipe pipeline after washing, add liquid caustic soda in to the cell body through the liquid caustic soda pipeline, soak after a period of time through the evacuation liquid caustic soda of waste pipe pipeline, rethread sulfuric acid pipeline adds sulphuric acid in to the cell body and washs, wash through the evacuation sulphuric acid of waste pipe pipeline after the washing, add the running water through running water pipeline in to the cell body and wash, through the evacuation running water of waste pipe pipeline after washing, accomplish the maintenance.
8. The use method according to claim 7, further comprising:
after adding the liquid caustic soda into the tank body, opening a temperature control device and an air draft device, and starting to heat and draft the interior of the tank body;
and after the sulfuric acid is drained, the temperature control device and the air draft device are closed, and the temperature rise and the air draft are stopped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210099103.2A CN114457334A (en) | 2022-01-27 | 2022-01-27 | Stripping and hanging groove and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210099103.2A CN114457334A (en) | 2022-01-27 | 2022-01-27 | Stripping and hanging groove and using method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114457334A true CN114457334A (en) | 2022-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210099103.2A Pending CN114457334A (en) | 2022-01-27 | 2022-01-27 | Stripping and hanging groove and using method thereof |
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| Country | Link |
|---|---|
| CN (1) | CN114457334A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115106330A (en) * | 2022-06-27 | 2022-09-27 | 湖北金禄科技有限公司 | Stripping and hanging groove for vertical continuous electroplating of circuit board and cleaning method thereof |
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| CN101951732A (en) * | 2010-08-27 | 2011-01-19 | 昆山元茂电子科技有限公司 | Improved printed circuit board (PCB) plating line |
| CN201785538U (en) * | 2010-08-27 | 2011-04-06 | 昆山元茂电子科技有限公司 | Stripping suspension tank |
| CN202277812U (en) * | 2011-11-08 | 2012-06-20 | 太仓塑料助剂厂有限公司 | Dicumyl peroxide mother liquid washing device |
| CN106028658A (en) * | 2016-07-12 | 2016-10-12 | 奥士康科技股份有限公司 | Syringe auxiliary adding device |
| CN206234617U (en) * | 2016-11-18 | 2017-06-09 | 红板（江西）有限公司 | A kind of circuit board plant production line automatic drain care device |
| CN208517536U (en) * | 2018-02-07 | 2019-02-19 | 河北巨人岛食品有限公司 | Clean the CIP automatic cleaning equipment of great efforts |
| CN111020586A (en) * | 2019-12-31 | 2020-04-17 | 苏州天承化工有限公司 | Environment-friendly rack stripping solution for stripping copper and tin and copper and tin stripping method using environment-friendly rack stripping solution |
| CN113582323A (en) * | 2021-06-30 | 2021-11-02 | 石家庄新奥环保科技有限公司 | Automatic Fenton reaction device and control method |
| CN214829264U (en) * | 2020-12-25 | 2021-11-23 | 江苏中正生化股份有限公司 | Continuous Fenton oxidation wastewater treatment device |
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2022
- 2022-01-27 CN CN202210099103.2A patent/CN114457334A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101951732A (en) * | 2010-08-27 | 2011-01-19 | 昆山元茂电子科技有限公司 | Improved printed circuit board (PCB) plating line |
| CN201785538U (en) * | 2010-08-27 | 2011-04-06 | 昆山元茂电子科技有限公司 | Stripping suspension tank |
| CN202277812U (en) * | 2011-11-08 | 2012-06-20 | 太仓塑料助剂厂有限公司 | Dicumyl peroxide mother liquid washing device |
| CN106028658A (en) * | 2016-07-12 | 2016-10-12 | 奥士康科技股份有限公司 | Syringe auxiliary adding device |
| CN206234617U (en) * | 2016-11-18 | 2017-06-09 | 红板（江西）有限公司 | A kind of circuit board plant production line automatic drain care device |
| CN208517536U (en) * | 2018-02-07 | 2019-02-19 | 河北巨人岛食品有限公司 | Clean the CIP automatic cleaning equipment of great efforts |
| CN111020586A (en) * | 2019-12-31 | 2020-04-17 | 苏州天承化工有限公司 | Environment-friendly rack stripping solution for stripping copper and tin and copper and tin stripping method using environment-friendly rack stripping solution |
| CN214829264U (en) * | 2020-12-25 | 2021-11-23 | 江苏中正生化股份有限公司 | Continuous Fenton oxidation wastewater treatment device |
| CN113582323A (en) * | 2021-06-30 | 2021-11-02 | 石家庄新奥环保科技有限公司 | Automatic Fenton reaction device and control method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115106330A (en) * | 2022-06-27 | 2022-09-27 | 湖北金禄科技有限公司 | Stripping and hanging groove for vertical continuous electroplating of circuit board and cleaning method thereof |
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