CN104640363B - Pcb board self-loopa, which is returned, washes cylinder - Google Patents
Pcb board self-loopa, which is returned, washes cylinder Download PDFInfo
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- CN104640363B CN104640363B CN201510003418.2A CN201510003418A CN104640363B CN 104640363 B CN104640363 B CN 104640363B CN 201510003418 A CN201510003418 A CN 201510003418A CN 104640363 B CN104640363 B CN 104640363B
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- pcb board
- cylinder body
- cylinder
- liquid medicine
- ink
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Abstract
It is returned the invention discloses pcb board self-loopa and washes cylinder, including：Cylinder body, for being packed into the liquid medicine and pcb board reacted with ink；Heating device is built in cylinder body, for heating liquid medicine；Ultrasonic unit is built in cylinder body, for send out ultrasonic wave drive pcb board vibrate and remove the ink in pcb board hole；Rocking equipment is built in cylinder body, is waved for driving liquid medicine to be shaken in cylinder body；Filter device, for filtering the liquid medicine after being reacted with ink；Pump, for being pressurizeed to liquid medicine to rinse pcb board, the bottom of the cylinder body is sequentially connected the top that cylinder body is accessed after filter device, pump with pipeline.Energy wash cycles pcb board of the invention, effectively removes the ink in pcb board especially hole.
Description
Technical field
The present invention relates to pcb board manufacturing fields more particularly to pcb board self-loopa to return and wash cylinder.
Background technology
Welding resistance process is one of basic process of pcb board (printed circuit board) manufacture, mainly passes through the copper coin in pcb board
One layer of ink of upper silk-screen can also play the exposed work for causing solder shorts of copper face prevented without welding to prevent copper face from aoxidizing
With.
But during silk-screen, since solder mask is unevenly coated or the reasons such as ink colors mistake, have
Significant component of plate needs cleaning treatment of doing over again.Common cleaning way is that the bad plate that need to be done over again directly is placed on liquid medicine
It impregnates in cylinder, then uses the remaining ink of scour without sediment motion, to remove the ink of silk-screen, then print again and reach cost-effective mesh
's.Due to return wash immersion liquid medicine be alkalinity sodium hydroxide, alkaline medicinal liquid to the more demanding of temperature, especially winter,
Icy water temperature can cause alkaline liquid that inertia is presented, and so that liquid medicine is not sufficiently reacted, it is difficult to clean up ink；In addition, by
Smaller in the hole on pcb board, the hole of machine dimensions drill is 0.2mm, and the hole minimum of radium-shine drilling machine is only 0.075mm, therefore traditional side
Method can not ensure that the ink blocked in hole removes completely, and the pcb board hidden danger of quality after doing over again is larger.
Invention content
For overcome the deficiencies in the prior art, it is returned the purpose of the present invention is to provide pcb board self-loopa and washes cylinder, it can circulation cleaning
Pcb board is washed, the ink in pcb board especially hole is effectively removed.
The purpose of the present invention adopts the following technical scheme that realization：
Pcb board self-loopa, which is returned, washes cylinder, including：
Cylinder body, for being packed into the liquid medicine and pcb board reacted with ink；
Heating device is built in cylinder body, for heating liquid medicine；
Ultrasonic unit is built in cylinder body, for send out ultrasonic wave drive pcb board vibrate and remove the oil in pcb board hole
Ink；
Rocking equipment is built in cylinder body, is waved for driving liquid medicine to be shaken in cylinder body；
Filter device, for filtering the liquid medicine after being reacted with ink；
Pump, for being pressurizeed to liquid medicine to rinse pcb board, the bottom of the cylinder body is sequentially connected filter device, pump with pipeline
The top of cylinder body is accessed afterwards.
Preferably, the holder for being alternatively arranged pcb board, the bottom end of the holder and the bottom wall of cylinder body are equipped in the cylinder body
It is separated by, the heating device, ultrasonic unit and rocking equipment are mounted on the bottom of the holder.
Preferably, the cylinder body includes upper cylinder half and is connected to the lower cylinder of upper cylinder half lower end, and the holder is fixed on the interior of upper cylinder half
Wall, the lower cylinder are tapered.
Preferably, be connected with the first valve on the pipeline between the bottom and filter device of the cylinder body, filter device with
The second valve is connected on pipeline between the pump.
Preferably, the heating device is heating rod.
Preferably, the ultrasonic unit is supersonic generator.
Preferably, the rocking equipment is vibrating motor.
Preferably, the filter device includes lautertuns and is built in the filter cotton of the lautertuns.
Compared with prior art, the beneficial effects of the present invention are：
The present invention can heat liquid medicine by heating device, to overcome the alkaline medicinal liquid inertia generally used, pass through temperature raising
Its reactivity is excited, quickly and efficiently to be reacted with the ink on pcb board, ink removal is realized, moreover, ultrasonic unit
Remaining ink slag, dust in pcb board hole can fully be removed with ultrafast amplitude vibrations, be aided with rocking equipment to liquid medicine
Concussion wave driving, drive the bubble poured into hole away, ink promoted to be reacted with liquid medicine, at the same time, can by filter device
Liquid medicine is filtered, liquid medicine is recycled in conjunction with pump, it is cost-saved, it is sprayed at the top of cylinder body after pump pressurizes
Pcb board can form strength and wash away, and remove obstinate ink slag, it is final realize ink in pcb board curing ink especially hole it is effective,
The quality for washing rear pcb board is returned in adequately removal, guarantee.
Invention is further described in detail with reference to the accompanying drawings and detailed description.
Description of the drawings
Fig. 1 is that the structural schematic diagram for washing cylinder is returned in pcb board self-loopa of the present invention.
In figure：1, cylinder body；101, upper cylinder half；102, lower cylinder；2, heating device；3, ultrasonic unit；4, rocking equipment；5, mistake
Filter device；51, lautertuns；6, it pumps；7, pcb board；8, pipeline；9, holder；10, the first valve；11, the second valve.
Specific implementation mode
Pcb board self-loopa as shown in Figure 1, which is returned, washes cylinder, including：Cylinder body 1, ultrasonic unit 3, waves dress at heating device 2
4, filter device 5 and pump 6 are set, wherein：
Cylinder body 1, for being packed into the liquid medicine reacted with ink and pcb board 7；
Heating device 2 is built in cylinder body 1, for heating liquid medicine；
Ultrasonic unit 3 is built in cylinder body 1, for send out ultrasonic wave drive pcb board 7 vibrate and remove in 7 hole of pcb board
Ink, especially remove ink slag therein；
Rocking equipment 4 is built in cylinder body 1, for driving liquid medicine concussion in cylinder body 1 to wave；
Filter device 5, for filtering the liquid medicine after being reacted with ink；
Pump 6, for pressurizeing liquid medicine to rinse pcb board 7, the bottom of the cylinder body 1 is sequentially connected filter device with pipeline 8
5, the top of cylinder body 1 is accessed after pump 6.
Liquid medicine can be heated by heating device 2, to overcome the alkaline medicinal liquid inertia generally used, it is excited by temperature raising
Reactivity realizes ink removal quickly and efficiently to be reacted with the ink on pcb board 7, moreover, ultrasonic unit 3 can be with
Remaining ink slag, dust in 7 hole of pcb board are fully removed with ultrafast amplitude vibrations, are aided with rocking equipment 4 to liquid medicine
Driving is waved in concussion, drives the bubble poured into hole away, and ink is promoted to be reacted with liquid medicine, at the same time, can be right by filter device 5
Liquid medicine is filtered, and is recycled to liquid medicine in conjunction with pump 6, cost-saved, by medicine at the top of cylinder body 1 after 6 pressurization of pump
Water sprays to pcb board 7, can form strength and wash away, and removes obstinate ink slag, final to realize ink in 7 curing ink of pcb board especially hole
Effective, the sufficient removal of slag.Certainly, also nozzle can be added at the liquid medicine ejection of pipeline 8, with uniform liquid medicine to pcb board 7
Impulse force.
Heating device 2, ultrasonic unit 3, the rocking equipment 4 being placed in cylinder body 1 are impregnated by liquid medicine, can accordingly be added anti-
Water conservation structure.Liquid medicine generally uses such as sodium hydroxide solution alkaline medicinal liquid.Specifically, heating device 2 is heating rod, should be added
Hot pin will generate heat after outside is powered, and be heated to liquid medicine.Ultrasonic unit 3 is supersonic generator, and what is sent out is super
Sound wave can run through cylinder body 1 in each pcb board 7 and so that each pcb board 7 is vibrated.Rocking equipment 4 is vibrating motor, vibrating motor
Output shaft will generate eccentric centrifugal force, to stir liquid medicine, and liquid medicine be made to wave concussion.Filter device 5 include lautertuns 51 and
It is built in the filter cotton (not shown) of the lautertuns 51, effective filtering can be obtained in the graininess dregs in liquid medicine here,
In favor of the cycle of liquid medicine, ensure the quality after pcb board 7 cleans；Filter cotton can increase multilayer, or using filtering cotton core.
To make pcb board 7 obtain the ultrasonic wave that more fully reception ultrasonic unit 3 is sent out, and with the area and medicine of bigger
Water contacts, and the holder 9 for being alternatively arranged pcb board 7 is equipped in cylinder body 1, and the bottom end of the holder 9 and the bottom wall of cylinder body 1 are separated by, with
So that liquid medicine is formed buffering reaction zone between 1 bottom wall of holder 9 and cylinder body, is conducive to accelerate reaction, the heating device 2, ultrasonic wave
Device 3 and rocking equipment 4 are mounted on the bottom of the holder 9.
Cylinder body 1 includes that upper cylinder half 101 and the lower cylinder 102 for being connected to 101 lower end of upper cylinder half, the holder 9 are fixed on upper cylinder half 101
Inner wall, the lower cylinder 102 are tapered.The lower cylinder 102 of taper is conducive to the rapid precipitation of the dregs in liquid medicine, and in the pump pressure of pump 6
It is smoothly discharged liquid medicine under active force.
Easily to control the flow and/or easily control liquid medicine pressurizes through pump 6 that liquid medicine enters in filter device 5
The amount of cycle, is connected with the first valve 10 on the pipeline 8 between the bottom and filter device 5 of cylinder body 1, filter device 5 with it is described
It is connected with the second valve 11 on pipeline 8 between pump 6.First valve 10 and the second valve 11 can be set as check valve, flow control
The valve body switchs such as valve processed.
The above embodiment is only the preferred embodiment of the present invention, and the scope of protection of the present invention is not limited thereto,
The variation and replacement for any unsubstantiality that those skilled in the art is done on the basis of the present invention belong to institute of the present invention
Claimed range.
Claims (7)
1.PCB plate self-loopas, which are returned, washes cylinder, which is characterized in that including：
Cylinder body, for being packed into the liquid medicine and pcb board reacted with ink；
Heating device is built in cylinder body, for heating liquid medicine；
Ultrasonic unit is built in cylinder body, for send out ultrasonic wave drive pcb board vibrate and remove the ink in pcb board hole；
Rocking equipment is built in cylinder body, is waved for driving liquid medicine to be shaken in cylinder body；
Filter device, for filtering the liquid medicine after being reacted with ink；
Pump, for being pressurizeed to liquid medicine to rinse pcb board, the bottom of the cylinder body is sequentially connected filter device with pipeline, pump is followed by
Enter the top of cylinder body；The holder for being alternatively arranged pcb board, the bottom end of the holder and the bottom wall phase of cylinder body are equipped in the cylinder body
Every the heating device, ultrasonic unit and rocking equipment are mounted on the bottom of the holder.
2. pcb board self-loopa according to claim 1, which is returned, washes cylinder, which is characterized in that the cylinder body includes upper cylinder half and connection
Lower cylinder in upper cylinder half lower end, the holder are fixed on the inner wall of upper cylinder half, and the lower cylinder is tapered.
3. pcb board self-loopa according to claim 1, which is returned, washes cylinder, which is characterized in that the bottom of the cylinder body is filled with filtering
It is connected with the first valve on pipeline between setting, the second valve is connected on the pipeline between filter device and the pump.
4. being returned according to claims 1 to 3 any one of them pcb board self-loopa and washing cylinder, which is characterized in that the heating device is
Heating rod.
5. being returned according to claims 1 to 3 any one of them pcb board self-loopa and washing cylinder, which is characterized in that the ultrasonic unit
For supersonic generator.
6. being returned according to claims 1 to 3 any one of them pcb board self-loopa and washing cylinder, which is characterized in that the rocking equipment is
Vibrating motor.
7. being returned according to claims 1 to 3 any one of them pcb board self-loopa and washing cylinder, which is characterized in that the filter device packet
It includes lautertuns and is built in the filter cotton of the lautertuns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510003418.2A CN104640363B (en) | 2015-01-01 | 2015-01-01 | Pcb board self-loopa, which is returned, washes cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510003418.2A CN104640363B (en) | 2015-01-01 | 2015-01-01 | Pcb board self-loopa, which is returned, washes cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104640363A CN104640363A (en) | 2015-05-20 |
| CN104640363B true CN104640363B (en) | 2018-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510003418.2A Active CN104640363B (en) | 2015-01-01 | 2015-01-01 | Pcb board self-loopa, which is returned, washes cylinder |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106862159A (en) * | 2017-02-24 | 2017-06-20 | 星华科技（惠州）有限公司 | A kind of circuit board ultrasonic wave is returned washes cylinder |
| CN109462946B (en) * | 2018-12-14 | 2020-12-15 | 江门崇达电路技术有限公司 | PCB solder mask backwashing method |
| CN111867270A (en) * | 2020-07-29 | 2020-10-30 | 深圳市正基电子有限公司 | Method for removing alkaline ink after solder mask laser exposure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6253775B1 (en) * | 1998-06-04 | 2001-07-03 | Tokyo Electron Limited | Cleaning apparatus |
| CN101583246A (en) * | 2009-05-21 | 2009-11-18 | 北京埃森恒业科技有限公司 | Printed circuit board cleaning machine |
| CN201639860U (en) * | 2010-05-11 | 2010-11-17 | 惠州中京电子科技股份有限公司 | Fading and cleaning line of solder resisting layer of PCB |
| CN103100529A (en) * | 2011-11-15 | 2013-05-15 | 深圳市凯尔迪光电科技有限公司 | Off-line printed circuit board assembly (PCBA) cleaning machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4761694B2 (en) * | 2002-11-15 | 2011-08-31 | 日立化成工業株式会社 | Method for cleaning printed wiring board or copper-clad laminate and printed wiring board |
-
2015
- 2015-01-01 CN CN201510003418.2A patent/CN104640363B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6253775B1 (en) * | 1998-06-04 | 2001-07-03 | Tokyo Electron Limited | Cleaning apparatus |
| CN101583246A (en) * | 2009-05-21 | 2009-11-18 | 北京埃森恒业科技有限公司 | Printed circuit board cleaning machine |
| CN201639860U (en) * | 2010-05-11 | 2010-11-17 | 惠州中京电子科技股份有限公司 | Fading and cleaning line of solder resisting layer of PCB |
| CN103100529A (en) * | 2011-11-15 | 2013-05-15 | 深圳市凯尔迪光电科技有限公司 | Off-line printed circuit board assembly (PCBA) cleaning machine |
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| CN104640363A (en) | 2015-05-20 |
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