CN107295756A - A kind of water washing device and overflow method to high level overflow - Google Patents
A kind of water washing device and overflow method to high level overflow Download PDFInfo
- Publication number
- CN107295756A CN107295756A CN201710388864.9A CN201710388864A CN107295756A CN 107295756 A CN107295756 A CN 107295756A CN 201710388864 A CN201710388864 A CN 201710388864A CN 107295756 A CN107295756 A CN 107295756A
- Authority
- CN
- China
- Prior art keywords
- water washing
- overflow
- liquid level
- compressed air
- high level
- 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.)
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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/22—Secondary treatment of printed circuits
- H05K3/26—Cleaning or polishing of the conductive pattern
-
- 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/31—Coating with metals
- C23C18/38—Coating with copper
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/40—Forming printed elements for providing electric connections to or between printed circuits
- H05K3/42—Plated through-holes or plated via connections
- H05K3/422—Plated through-holes or plated via connections characterised by electroless plating method; pretreatment therefor
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/07—Treatments involving liquids, e.g. plating, rinsing
- H05K2203/0756—Uses of liquids, e.g. rinsing, coating, dissolving
- H05K2203/0766—Rinsing, e.g. after cleaning or polishing a conductive pattern
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
Field is manufactured the present invention relates to printed circuit board, specially a kind of water washing device and overflow method to high level overflow, this, by accessing compressed air hose, solves the problems, such as the water of low liquid level water washing cylinder to water washing device from the automatic overflow of high level water washing cylinder to high level overflow and overflow method.When using, the water of low liquid level water washing cylinder can be automatic toward dirty due to Action of Gravity Field, when being left to overflow pipe lowest order, pass through the compressed air hose of access, so that compressed air is by toward dirty water pushing tow to finder outlet, it is achieved thereby that the water of low liquid level water washing cylinder realizes the purpose of reduction water cost to high level water washing cylinder automatic overflow.Meanwhile, compressed air hose is the conventional facility in production line, live can be drawn materials when the technical program is implemented, and can effectively reduce the water cost that low liquid level is washed to high level overflow in the wet flows of PCB without extra input, significantly reduce PCB processing cost.
Description
Technical field
Field, more particularly to a kind of water washing device and overflow to high level overflow are manufactured the present invention relates to printed circuit board
Method.
Background technology
Electroless copper is generally also heavy copper or hole (PTH), is a kind of autocatalytic redox reaction.In printing electricity
The vertical production line of the wet flow of road plate includes water washing device, and water washing device mainly uses law of connected vessels to make the washing of high level
The water of cylinder can not realize that the water of low liquid level water washing cylinder is washed to high level to low liquid level water washing cylinder automatic overflow, this way presence
The situation of the automatic overflow of cylinder, so that the requirement of the water cost of reduction overflow washing can not be realized further, this not only increases
The cost of PCB processing and manufacturings, is also unfavorable for environmental protection.
The content of the invention
The present invention a kind of realizes the water of low liquid level water washing cylinder to high level water in view of the above-mentioned problems, providing by compressed air
Wash the water washing device and overflow method to high level overflow of the automatic overflow of cylinder.
To achieve the above object, the present invention uses following technical scheme：
A kind of water washing device to high level overflow, including low liquid level water washing cylinder and high level water washing cylinder, low liquid level washing
Overflow pipe is provided between cylinder and high level water washing cylinder, one end of overflow pipe is provided with the overflow pipe for being used to connect low liquid level water washing cylinder and entered
Mouthful, the other end of overflow pipe is provided with the finder outlet overflowed for the liquid of low liquid level water washing cylinder, and finder outlet, which is higher than, to overflow
Flow tube entrance and the top for being arranged at high level water washing cylinder, being provided between the two ends of overflow pipe is used for the pressure that compressed air is accessed
Contracting air hose, one end of compressed air hose is provided with the compressed air inlet for being used for entering overflow pipe, the position of compressed air inlet
It is arranged on the lowest order of overflow pipe.
Further, the other end of compressed air hose is provided with the compressed air access port for being used for accessing compressed air, and compression is empty
The position of gas access port is higher than the liquid level in low liquid level water washing cylinder.
Further, compressed air access port and liquid level difference >=10cm in low liquid level water washing cylinder.
Further, difference in height h meets equation below between the liquid level and overflow pipe highest point in low liquid level water washing cylinder：P-
101325 >=ρ gh, P represent compressed air intraductal atmospheric pressure, and ρ is the density of water.
Further, it is additionally provided with compressed air hose for switching compressed air and being opened for the knob for adjusting air pressure size
Close.
Further, finder outlet and liquid level difference >=5cm in high level water washing cylinder.
The present invention also provides a kind of method of high level overflow, comprises the following steps：
Overflow pipe is set between low liquid level water washing cylinder and high level water washing cylinder；Further, in low liquid level water washing cylinder
Difference in height h meets equation below between liquid level and overflow pipe highest point：P-101325 >=ρ gh, P represent gas in compressed air hose
Pressure, ρ is the density of water.
Finder outlet is arranged on the ullage in high level water washing cylinder, finder outlet is higher than the liquid level >=5cm；
Overflow pipe entrance is connected into low liquid level water washing cylinder, overflow pipe entrance is less than the liquid level in low liquid level water washing cylinder；
Extreme lower position access compressed air hose between the two ends of overflow pipe；The compressed air gas of compressed air hose access
Pressure >=0.30MPa；Further, the height of the compressed air access port of access compressed air is higher than in low liquid level water washing cylinder
Liquid level and difference in height >=10cm.
Carry out washing process.
Compared with prior art, the beneficial effects of the invention are as follows：This to high level overflow water washing device and overflow method,
By accessing compressed air hose, solve the problems, such as the water of low liquid level water washing cylinder to the automatic overflow of high level water washing cylinder.In use, low
The water of liquid level water washing cylinder can be automatic toward flowing down due to Action of Gravity Field, when being left to overflow pipe lowest order, passes through the compressed air of access
Pipe so that compressed air is by toward dirty water pushing tow to finder outlet, it is achieved thereby that the water of low liquid level water washing cylinder is to high liquid
Position water washing cylinder automatic overflow, realizes the purpose of reduction water cost.Meanwhile, compressed air hose is the conventional facility in production line, this
Technical scheme when implementing can scene draw materials, can effectively reduce in the wet flows of PCB low liquid level to high level without additionally putting into
The water cost of overflow washing, significantly reduces PCB processing cost.
Brief description of the drawings
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is the structural representation of the water washing device to high level overflow in embodiment.
Embodiment
In order to more fully understand the technology contents of the present invention, with reference to specific embodiment to technical scheme
It is described further and illustrates.
Embodiment
Reference picture 1, the present invention provides a kind of water washing device to high level overflow, including low liquid level water washing cylinder 1 and high liquid
Position water washing cylinder 2, is provided with overflow pipe 4, one end of the overflow pipe 4 is set between the low liquid level water washing cylinder 1 and high level water washing cylinder 2
There is the overflow pipe entrance 41 for connecting low liquid level water washing cylinder 1, the other end of the overflow pipe 4, which is provided with, is used for low liquid level water washing cylinder
The finder outlet 42 that 1 liquid overflows, the finder outlet 42 is higher than overflow pipe entrance 41 and is arranged at high level washing
The top of cylinder 2, being provided between the two ends of the overflow pipe 4 is used for the compressed air hose 3 that compressed air is accessed, and the compression is empty
One end of tracheae 3 is provided with the compressed air inlet 33 for being used for entering overflow pipe 4, and the other end of the compressed air hose 3 is provided with use
In the compressed air access port 32 of access compressed air, the position of the compressed air inlet 33 is arranged on the minimum of overflow pipe 4
Position.The position of the compressed air access port 32 is higher than the liquid level of low liquid level water washing cylinder 1.It is additionally provided with the compressed air hose 3
Rotary switch 31, for switching compressed air and for adjusting air pressure size.Compressed air hose 3 is on the vertical production line of wet flow
Generally have, be usually used on pneumatic jacking-up device, belong to gather materials on the spot and use, be not required to extra input, cost will not be increased.
As shown in figure 1, filled arrows represent washing flow direction, hollow arrow represents that compressed air is flowed to, in use, low liquid level
The water of water washing cylinder 1 can be automatic toward flowing down due to Action of Gravity Field, when being left to 4 lowest order of overflow pipe, and compressed air is from compressed air hose 3
Into, pushing tow toward dirty water to finder outlet 42, so as to complete the water of low liquid level water washing cylinder 1 to high level water washing cylinder 2
The process of automatic overflow.
The present invention also provides a kind of method of high level overflow, comprises the following steps：
S1, low liquid level water washing cylinder 1 and high level water washing cylinder 2 injection water, make low liquid level water washing cylinder 1 have can enter water-filling
The height of low water washing cylinder liquid level 11 of process is washed, high level water washing cylinder 2, which has, can carry out the high water washing cylinder liquid level 21 of washing step
Highly, overflow pipe 4 is set between low liquid level water washing cylinder 1 and high level water washing cylinder 2；The liquid level of the low liquid level water washing cylinder 1 with
Difference in height h meets equation below between the highest point of overflow pipe 4：P-101325≥ρgh.Wherein P represents air pressure in compressed air hose 3
(unit:Handkerchief), ρ is the density of water, desirable 1.0*103 kilograms per cubic meter, g=9.8 oxen/kilogram, h (units:Rice)
S2, the ullage that finder outlet 42 is arranged on to high level water washing cylinder 2, the finder outlet 42 was higher than should
Liquid level >=5cm；
S3, overflow pipe entrance 41 connects to low liquid level water washing cylinder 1, the overflow pipe entrance 41 is less than low liquid level water washing cylinder 1
Liquid level；
S4, the extreme lower position access compressed air hose 3 between the two ends of overflow pipe 4, what the compressed air hose 3 was accessed
Compressed air air pressure >=0.30MPa.The height for accessing the compressed air access port of compressed air is higher than low liquid level water washing cylinder
Interior liquid level and difference in height >=10cm.Washing water pours in down a chimney in tracheae during for avoiding shutting down without air pressure.
S5, progress washing process are until complete.
This, by accessing compressed air hose 3, realizes water washing device from low liquid level water to high level overflow and overflow method
The water of cylinder 1 is washed to the automatic overflow of high level water washing cylinder 2, the water of low liquid level water washing cylinder 1 is solved to the automatic of high level water washing cylinder 2
Flooding problems, realize the purpose of reduction water cost.Meanwhile, compressed air hose 3 live can be drawn materials, and can be had without extra input
The water cost that low liquid level is washed to high level overflow in the effect reduction wet flows of PCB, significantly reduces PCB processing cost.
The technology contents described above that the present invention is only further illustrated with embodiment, in order to which reader is easier to understand,
But embodiments of the present invention are not represented and are only limitted to this, and any technology done according to the present invention extends or recreated, and is sent out by this
Bright protection.
Claims (10)
1. a kind of water washing device to high level overflow, it is characterised in that：Including low liquid level water washing cylinder and high level water washing cylinder, institute
State and overflow pipe is provided between low liquid level water washing cylinder and high level water washing cylinder, one end of the overflow pipe, which is provided with, to be used to connect low liquid level
The overflow pipe entrance of water washing cylinder, the other end of the overflow pipe is provided with the overflow pipe overflowed for the liquid of low liquid level water washing cylinder and gone out
Mouthful, the finder outlet is higher than overflow pipe entrance and is arranged at the top of high level water washing cylinder, at the two ends of the overflow pipe
Between be provided with and be used for the compressed air hose that air is accessed, one end of the compressed air hose is provided with the compression for being used for entering overflow pipe
Air intlet, the position of the compressed air inlet is arranged on the lowest order of overflow pipe.
2. the water washing device according to claim 1 to high level overflow, it is characterised in that：The compressed air hose it is another
One end is provided with the compressed air access port for being used for accessing compressed air, and the position of the compressed air access port is higher than low liquid level water
The liquid level washed in cylinder.
3. the water washing device according to claim 2 to high level overflow, it is characterised in that：The compressed air access port
With liquid level difference >=10cm in low liquid level water washing cylinder.
4. the water washing device according to claim 1 to high level overflow, it is characterised in that：In the low liquid level water washing cylinder
Liquid level and overflow pipe highest point between difference in height h meet equation below：P-101325 >=ρ gh, P represent gas in compressed air hose
Pressure, ρ is the density of water.
5. the water washing device according to claim 1 to high level overflow, it is characterised in that：On the compressed air hose also
Provided with the rotary switch for switching compressed air and for adjusting air pressure size.
6. the water washing device according to claim 1 to high level overflow, it is characterised in that：The finder outlet and height
Liquid level difference >=5cm in liquid level water washing cylinder.
7. the water washing device to high level overflow in a kind of usage right requirement 1 to 6 described in any one carries out high level and overflow
The method of stream, it is characterised in that comprise the following steps：
Overflow pipe is set between low liquid level water washing cylinder and high level water washing cylinder；
Finder outlet is arranged on the ullage in high level water washing cylinder, the finder outlet is higher than the liquid level >=5cm；
Overflow pipe entrance is connected into low liquid level water washing cylinder, the overflow pipe entrance is less than the liquid level in low liquid level water washing cylinder；
Extreme lower position access compressed air hose between the two ends of overflow pipe；
Carry out washing process.
8. the overflow method according to claim 7 to high level overflow, it is characterised in that：In the low liquid level water washing cylinder
Liquid level and overflow pipe highest point between difference in height h meet equation below：P-101325 >=ρ gh, P represent gas in compressed air hose
Pressure, ρ is the density of water.
9. the overflow method according to claim 7 to high level overflow, it is characterised in that：Access the described of compressed air
The height of compressed air access port is higher than the liquid level and difference in height >=10cm in low liquid level water washing cylinder.
10. the overflow method according to claim 7 to high level overflow, it is characterised in that：The compressed air hose connects
Compressed air air pressure >=the 0.30MPa entered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710388864.9A CN107295756A (en) | 2017-05-25 | 2017-05-25 | A kind of water washing device and overflow method to high level overflow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710388864.9A CN107295756A (en) | 2017-05-25 | 2017-05-25 | A kind of water washing device and overflow method to high level overflow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107295756A true CN107295756A (en) | 2017-10-24 |
Family
ID=60094899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710388864.9A Pending CN107295756A (en) | 2017-05-25 | 2017-05-25 | A kind of water washing device and overflow method to high level overflow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107295756A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102580945A (en) * | 2012-03-09 | 2012-07-18 | 昆山亿富达电子有限公司 | Overflow washing device |
| CN103861834A (en) * | 2014-04-10 | 2014-06-18 | 苏州创峰光电科技有限公司 | Overflow washing device |
| CN205207287U (en) * | 2015-11-23 | 2016-05-04 | 珠海市玛斯特五金塑胶制品有限公司 | Closely hang down lift pumping device |
| CN106050639A (en) * | 2016-07-18 | 2016-10-26 | 何其兴 | High-lift pneumatic non-return water delivery device |
-
2017
- 2017-05-25 CN CN201710388864.9A patent/CN107295756A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102580945A (en) * | 2012-03-09 | 2012-07-18 | 昆山亿富达电子有限公司 | Overflow washing device |
| CN103861834A (en) * | 2014-04-10 | 2014-06-18 | 苏州创峰光电科技有限公司 | Overflow washing device |
| CN205207287U (en) * | 2015-11-23 | 2016-05-04 | 珠海市玛斯特五金塑胶制品有限公司 | Closely hang down lift pumping device |
| CN106050639A (en) * | 2016-07-18 | 2016-10-26 | 何其兴 | High-lift pneumatic non-return water delivery device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171024 |