CN206005026U - The damp proof antiseptic vacuum press-in coating equipment of wiring board - Google Patents
The damp proof antiseptic vacuum press-in coating equipment of wiring board Download PDFInfo
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- CN206005026U CN206005026U CN201620842716.0U CN201620842716U CN206005026U CN 206005026 U CN206005026 U CN 206005026U CN 201620842716 U CN201620842716 U CN 201620842716U CN 206005026 U CN206005026 U CN 206005026U
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- valve
- wiring board
- solution tank
- vacuum
- coating
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Abstract
The utility model is related to a kind of damp proof antiseptic vacuum press-in coating equipment of wiring board.It includes vavuum pump（1）, vacuum barrel（2）And solution tank（3）, vavuum pump（1）With vacuum barrel（2）It is connected, in connecting tube, is provided with the first valve（A）, vacuum barrel（2）On be provided with air bleeding valve（B）And pressure gauge, vacuum barrel（2）Point two-way respectively with solution tank（3）It is connected, in the connecting tube of two-way, is respectively arranged with the second valve（C）And liquid pumping valve（D）, solution tank（3）On be provided with intake valve E, solution tank（3）Having heaters is set.The utility model is used in above electronic circuit board and components and parts using vacuum press-in coating technique, the damp proof anti-moisture and soil-repellent dye ability of electronic circuit board and components and parts can be strengthened and prevent solder joint and conductor from suffering erosion, the effect for shielding and eliminating electromagnetic interference and prevent wiring board short circuit is simultaneously worked as, improves wiring board insulating properties.
Description
Technical field
The utility model is related to a kind of damp proof antiseptic vacuum press-in coating equipment of wiring board.Belong to wiring board coating processes
Field.
Background technology
Nowadays a lot of electronic products are all worked under conditions of outdoor or bad environments, therefore the moisture to this wiring board
Corrode quite serious, be to constitute electronic goods one of principal element of bad phenomenon occur, moisture is most universal to wiring board, most
Disruptive principal element.Excessive moisture can be greatly reduced the insulation repellence between conductor, accelerate to decompose at a high speed, reduces Q
Value and corrosion conductor.We usually see PCB metal part risen verdigris be exactly do not carry out damp proof antiseptic
Wiring board is caused with vapor, oxygen its chemical reaction common.Therefore the safeguard measure to wiring board is also more and more vast
Electronic manufacture research staff praised highly.
Damp proof at present antiseptic mode operating procedure method can be divided into spread coating, dip coating, spraying process, selectivity
Apply.
1. spread coating spread coating is simplest painting method.It is generally used for repairing and the maintenance of local, it can also be used to real
Room environmental or small lot trial-production/production is tested, it is not very high occasion that usually coating quality is required.
Advantage：Equipment fixture investment is almost not required to；Save coating material；Operation need not typically be covered.
Shortcoming：Narrow application range, efficiency are minimum；Whole plate has masking effect when brushing, coating uniformity is poor, because of artificial operation
There is bubble, have ripple, the defect such as in uneven thickness；Need a large amount of manpowers.
2. the application of dip coating dip coating is wide, it is adaptable to the occasion that need to be coated completely；For the effect for coating, leaching
Coating method is one of most efficient method.
Advantage：Can take and manually or automatically be coated with.Manual operations is simple and easy to do, invests little；The material rate of transform is high, can be complete
Full coat covers whole product and nothing capture-effect；Automation dipping system can meet the needs of production in enormous quantities.
Shortcoming：If coating material container is open, with the increase of coating number of times, contaminant problem is had, need periodically
More conversion materials simultaneously clean container, with solvent by send out be also required to be continuously replenished；Can be very after the excessive and extracting circuit plate of coating layer thickness
Many materials are wasted because of drip；Need to cover corresponding site；Cover/remove to cover and need substantial amounts of manpower and material resources；Apply cloth
Amount is difficult to control to.Poor to cause property；Excessive artificial operation may cause into unnecessary physical injury to product；Main points：
The loss of solvent is monitored with densitometer at any time should, to ensure rational proportioning；Immersion and draw speed should be controlled by.To obtain
Satisfied coating thickness simultaneously can reduce the defects such as bubble；Should operate under the clean and controlled environment of temperature humidity.In order to avoid shadow
Ring the point knot power of material；Should select nothing cull and antistatic Covering adhesive tapes, if selecting normal tape, must be using going
Ion blower.
3. spraying process
Spraying process is the most frequently used coating method of industry, and it has hand-held spray guns, the multiple choices such as automatic coating equipment.Make
Maintenance and small-scale production and application can be conveniently used in spraying pot product, spray gun is suitable for the production that touches is advised greatly, but
It is that both spraying methods are higher for the accuracy requirement of operation, thereby increases and it is possible to produce shade（It is anti-that components and parts bottom does not cover three
Where paint）.
Advantage：Hand spray investment is little, easy to operate；The coating uniformity of automation equipment is preferable；Production efficiency highest,
Online automated production is easily achieved, may be adapted to big medium quantity batch processing.Uniformity and material cost would generally be better than dip coating,
Although it is also required to cover technique but not as dip-coating has high demands.
Shortcoming：Need to cover operation；Waste of material is big；Need a large amount of manpowers；Apply uniformity poor, may have masking effect
Should, to entering tired dimension below thin space components and parts.
4. selective coating
Selective coating technique is the focus of current industry, quickly grows in recent years, occurs in that multiple correlation techniques, choosing
Selecting property coated technique selectively coats relevant range all using automation equipment and programme-control, is suitable to the life of middle high-volume
Produce；It is using being coated nothing air nozzle.Coating accurately and not waste of materials, it is adaptable to large batch of overlay film, but to applying
The requirement of coating equipment is higher.It is best suited for large batch of overlay film.The XY table woven using one, can reduce covering.Pcb board sprays
During paint, there are a lot of connectors without spray painting.Rubberizing paper is too slow and has the glue of too many residual when tearing, it is contemplated that press connector
Shape, size, position, make a combined type cover, are positioned with installing hole.Cover without spray painting position.
Advantage：Covering/removal can thoroughly be removed and cover operation and the substantial amounts of manpower/material resources waste for thus bringing；Can apply
Various types of materials are applied, stock utilization is high, and more than 95% is can be usually reached, 50% or so material can be saved compared with spraying method
Material, can effectively ensure that certain a little exposed part is not coated；Splendid coating uniformity；May be implemented in wire type production, production
Efficiency high；There are multiple nozzles available, can achieve more visible edge shape.
Shortcoming：Because of cost reason, it is unsuitable for the occasion of short-term/small lot；Still there is capture-effect, to some complicated first devices
Part coating effect is poor, manually need to fill spray；Efficiency is not as automation dip-coating and automatic spraying technique.
Content of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, there is provided a kind of damp proof antiseptic Vaccum Permeating of wiring board
Automatic doubler surface glouer, can strengthen the damp proof anti-moisture and soil-repellent dye ability of electronic circuit board and components and parts and prevent solder joint and conductor from suffering erosion,
The effect for shielding and eliminating electromagnetic interference and prevent wiring board short circuit is simultaneously worked as, improves wiring board insulating properties.
The purpose of this utility model is realized in：
A kind of damp proof antiseptic vacuum press-in coating equipment of wiring board, is characterized in：It includes vavuum pump, vacuum barrel and molten
Liquid bucket, the vavuum pump are connected with vacuum barrel, be provided with the first valve, set on vacuum barrel in vavuum pump and the connecting tube of vacuum barrel
Air bleeding valve and pressure gauge is equipped with, the vacuum barrel divides two-way to be connected with solution tank respectively, is respectively arranged with the connecting tube of two-way
Second valve and liquid pumping valve, are provided with intake valve on the solution tank, and the solution tank arranges having heaters.
Compared with prior art, the beneficial effects of the utility model are：
A kind of damp proof antiseptic vacuum press-in coating equipment of wiring board of the utility model, is used in electricity using vacuum press-in coating technique
Above sub- wiring board and components and parts, can strengthen electronic circuit board and components and parts damp proof anti-moisture and soil-repellent dye ability and prevent solder joint and
Conductor suffers erosion, and simultaneously works as the effect for shielding and eliminating electromagnetic interference and prevent wiring board short circuit, improves wiring board insulation
Performance.
Description of the drawings
Fig. 1 is the structural representation of vacuum press-in coating equipment of the present utility model.
The flow chart of Fig. 2 the utility model vacuum press-in coating technique.
In figure：
Vavuum pump 1
Vacuum barrel 2,
Solution tank 3,
First valve A,
Air bleeding valve B,
Second valve C,
Liquid pumping valve D,
Intake valve E.
Specific embodiment
Referring to Fig. 1-2, the utility model is related to a kind of damp proof antiseptic vacuum press-in coating equipment of wiring board and includes vacuum
Pump 1, vacuum barrel 2 and solution tank 3.
The vavuum pump 1 is connected with vacuum barrel 2, is provided with the first valve A, very in vavuum pump 1 and the connecting tube of vacuum barrel 2
Air bleeding valve B and pressure gauge is provided with empty barrel 2, and 2 points of two-way of the vacuum barrel are connected with solution tank 3 respectively, the connecting tube of two-way
On be respectively arranged with the second valve C and liquid pumping valve D, be provided with intake valve E on the solution tank 3, the solution tank 3 be provided with plus
Hot device.
Before the damp proof antiseptic vacuum press-in coating of conducting transmission line plate, the control cabinet of vavuum pump 1, solution tank 3 is checked
Normally whether whether heater goes up electricity, check the oil level of vavuum pump 1 and to operate, check whether each valve normally uses, check
Whether there is liquid level in foreign matter, and solution tank 3 whether normal in solution tank 3 and vacuum barrel 2.
The damp proof antiseptic vacuum press-in coating method of the wiring board is comprised the following steps：
Step one, open the poking bar of solution tank 3 and will be deposited to the white powder object of bottom of the barrel and transparency liquid stirring
Uniformly, the white powder object is that corrosion inhibiter and lubricant pass through 7:3 proportioning is mixed, and transparency liquid is molten for No. 120
Agent oil, the heter temperature of solution tank 3 is set to 120 DEG C of heating about 30～40 minutes, now about 60 DEG C～70 DEG C of water temperature,
White powder object gradually can be dissolved in transparency liquid, after observing that white powder object all dissolves, in order to prevent
Temperature is too high to cause solution evaporation too fast, and the heter temperature of solution tank 3 is set to 80.
Step 2, the lid of vacuum barrel 2 is opened, the wiring board after preceding working procedure is dried is put into vacuum barrel together with pallet
In 2,2 lid of vacuum barrel is covered, the first valve A is opened, remaining all valve closing, start vavuum pump 1, observe during this period true
The pressure gauge of empty barrel 2, as gauge hand sensing -0.1MPa, vavuum pump is out of service.
Step 3, the first valve A of closing, open intake valve E and liquid pumping valve D, start drawing liquid（Mixed liquor is taken out from solution tank 3
Enter in vacuum barrel 2）About one minute, liquid pumping valve D is then shut off, now the gauge hand sensing -0.08MPa of vacuum barrel 2 is attached
Closely, air bleeding valve B is then opened, until closing after gauge hand points to zero, now in vacuum barrel 2, mixed liquor covers all line
Road plate；In order to control pressure list index can accurately point to zero, during the valve opening of air bleeding valve B, slow progressive manner should be taken,
Slightly open at the beginning a bit, then gradually open big valve.
Step 4, open the second valve C and wait the liquid extracted in vacuum barrel 2 to return to solution tank 3（About one minute time）,
Clean rear closing the second valve C and intake valve E is returned, pallet and wiring board is taken out, being put into drying assembly line afterwards is carried out at drying
Reason.
Claims (1)
1. the damp proof antiseptic vacuum press-in coating equipment of a kind of wiring board, it is characterised in that：It includes vavuum pump（1）, vacuum barrel
（2）And solution tank（3）, the vavuum pump（1）With vacuum barrel（2）It is connected, vavuum pump（1）With vacuum barrel（2）Connecting tube on set
It is equipped with the first valve（A）, vacuum barrel（2）On be provided with air bleeding valve（B）And pressure gauge, the vacuum barrel（2）Point two-way respectively with
Solution tank（3）It is connected, in the connecting tube of two-way, is respectively arranged with the second valve（C）And liquid pumping valve（D）, the solution tank（3）On
It is provided with intake valve（E）, the solution tank（3）Having heaters is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620842716.0U CN206005026U (en) | 2016-08-05 | 2016-08-05 | The damp proof antiseptic vacuum press-in coating equipment of wiring board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620842716.0U CN206005026U (en) | 2016-08-05 | 2016-08-05 | The damp proof antiseptic vacuum press-in coating equipment of wiring board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206005026U true CN206005026U (en) | 2017-03-08 |
Family
ID=58199154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620842716.0U Active CN206005026U (en) | 2016-08-05 | 2016-08-05 | The damp proof antiseptic vacuum press-in coating equipment of wiring board |
Country Status (1)
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| CN (1) | CN206005026U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106102337A (en) * | 2016-08-05 | 2016-11-09 | 江阴市立信智能设备有限公司 | The damp proof antiseptic vacuum press-in coating method of wiring board and equipment thereof |
-
2016
- 2016-08-05 CN CN201620842716.0U patent/CN206005026U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106102337A (en) * | 2016-08-05 | 2016-11-09 | 江阴市立信智能设备有限公司 | The damp proof antiseptic vacuum press-in coating method of wiring board and equipment thereof |
| CN106102337B (en) * | 2016-08-05 | 2018-10-30 | 江阴市立信智能设备有限公司 | The vacuum press-in coating method and its equipment of the damp proof preservative treatment of wiring board |
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| GR01 | Patent grant |