CN204255040U - A kind of inclined mouth type air knife - Google Patents
A kind of inclined mouth type air knife Download PDFInfo
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- CN204255040U CN204255040U CN201420648726.1U CN201420648726U CN204255040U CN 204255040 U CN204255040 U CN 204255040U CN 201420648726 U CN201420648726 U CN 201420648726U CN 204255040 U CN204255040 U CN 204255040U
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- exhaust vent
- air knife
- mouth type
- type air
- housing
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Abstract
The utility model discloses a kind of inclined mouth type air knife, comprise the tubular shell of closed at both ends, one side of described housing is distributed with strip exhaust vent as air knife knife face, another side is corresponding thereto provided with air inlet, and the angle between described strip exhaust vent and the axis of housing is greater than 0 degree and is less than 90 degree.Angle between described strip exhaust vent and the axis of housing is 45 degree.The utility model is gradient from exhaust vent wind wind out, water droplet on pcb board is not only subject to the power of vertical direction, also can be subject to certain component in the horizontal direction to pass on pcb board limit, so just well the edge of the water on pcb board surface toward plate can be caught up with, reach and well catch up with water effect.In addition, the utility model structure is simple, manufacture craft is simple, cost is low.
Description
Technical field
The utility model relates to a kind of building block of pcb board wet process blowing-dry apparatus, particularly relates to a kind of inclined mouth type air knife.
Background technology
In pcb board wet process, pcb board, after processing solution tank and rinsing bowl process, pcb board can remain a lot of water droplet, in order to be removed by water droplet as early as possible, needs blowing-dry apparatus to dry up process to it.Existing blowing-dry apparatus comprises blower fan, filter, dividing potential drop box, dries up groove, upper air knife, lower air knife and conveying mechanism, upper and lower air knife is arranged on respectively and dries up upper and lower part in groove, pcb board is transmitted by the conveying mechanism between upper and lower air knife, blower fan sucks air, out fall the impurity air afterwards through metre filter from air outlet, again through dividing potential drop box dividing potential drop, then entered the air inlet of upper and lower air knife by ball valve pressure regulation.
As Fig. 1, shown in 2, traditional is upper, lower air knife includes the tubular shell 1 of a closed at both ends, the cross section of housing 1 is similar to trapezoidal, the end of housing 1 is provided with for being arranged on the fixed block 2 dried up on groove, one side of housing 1 is provided with air inlet 3, another side is corresponding thereto distributed with the exhaust vent 4 of several strips as air knife knife face 20, exhaust vent 4 is parallel to the axis of housing 1, on, lower air knife is arranged on and dries up in groove, on, the exhaust vent about 4 of lower air knife is relatively and respectively towards upper face and the lower face of pcb board, because the wind blown out from exhaust vent 4 vertically acts on pcb board, the water droplet on pcb board is made only to be subject to the power of vertical direction and to move backward, catch up with water weak effect.In addition, air inlet is positioned at housing central section, causing the problem that middle blast is large, both sides blast is little, have an impact to catching up with water effect.
Utility model content
The purpose of this utility model be to provide a kind of structure simple, catch up with the inclined mouth type air knife that water is effective, manufacture craft is simple, cost is low.
The purpose of this utility model realizes by following technical measures: a kind of inclined mouth type air knife, comprise the tubular shell of closed at both ends, one side of described housing is distributed with strip exhaust vent as air knife knife face, another side is corresponding thereto provided with air inlet, it is characterized in that: the angle between described strip exhaust vent and the axis of housing is greater than 0 degree and is less than 90 degree.
The utility model is gradient from the wind that exhaust vent blows out, water droplet on pcb board is not only subject to the power of vertical direction, also can be subject to certain component in the horizontal direction to pass on pcb board limit, so just well the edge of the water on pcb board surface toward plate can be caught up with, reach and well catch up with water effect.In addition, the utility model structure is simple, manufacture craft is simple, cost is low.
As a kind of preferred embodiment of the present utility model, the angle between described strip exhaust vent and the axis of housing is 45 degree.
Improve as one of the present utility model, described housing is separated into two chambers by the air distribution plate arranged vertically, described exhaust vent is positioned on one of them chamber, described air inlet is positioned on another chamber, described air distribution plate is distributed with wind distributing hole along its length, and the aperture of described wind distributing hole is minimum with the wind distributing hole aperture that distance air inlet is nearest and increases gradually towards two ends.Total aspiration pressure of air inlet is certain, total air intake flow is also certain, aperture near the wind distributing hole of air inlet is little, aperture away from the wind distributing hole of air inlet is large, and the cross-sectional area of wind distributing hole is less, the flow of the wind of unit interval blowout also can reduce, thus for getting a part of air quantity in the two ends of air knife, therefore can make from the wind of exhaust vent blowout even, solve the problem that in the middle of existing air knife, blast is large, both sides blast is little.
Improve as one of the present utility model, the chamber being provided with described air inlet is tubular, the chamber being provided with described exhaust vent is rectangle cell body and its both ends of the surface edge is arc-shaped, described rectangle cell body vertically whole process is arranged on tubular chamber outer wall, and the part that described tubular chamber is positioned at described rectangle cell body notch is described air distribution plate.
The utility model has following embodiment:
The spacing of adjacent exhaust vent is 5 ~ 15mm.
The width of described exhaust vent is 0.1 ~ 0.3mm.
Described wind distributing hole is circular hole, and diameter is 4 ~ 10mm, and the spacing of adjacent wind distributing hole is 15 ~ 25mm.
Compared with prior art, the utility model has following significant effect:
(1) the utility model is gradient from the wind that exhaust vent blows out, water droplet on pcb board is not only subject to the power of vertical direction, also can be subject to certain component in the horizontal direction to pass on pcb board limit, so just well the water on pcb board surface can be caught up with toward panel edges, reach and well catch up with water effect.
(2) the aperture of the utility model wind distributing hole is minimum with the wind distributing hole aperture that distance air inlet is nearest and increases gradually towards two ends, solve the problem that in the middle of existing air knife, blast is large, both sides blast is little, avoid producing a very large impact pcb board, also prevent clamp phenomenon.
(3) the utility model structure is simple, manufacture craft is simple, cost is low, good in economic efficiency.
(4) of the present utility model practical, be not only applicable to pcb board wet process blowing-dry apparatus, also can be useful on other similar equipment.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is the perspective view of air knife traditionally;
Fig. 2 is the perspective view of the lower air knife of tradition;
Fig. 3 is perspective view of the present utility model;
Fig. 4 is the partial schematic diagram of air knife knife face;
Fig. 5 is exploded perspective view of the present utility model;
Fig. 6 is that the utility model is arranged on the structural representation drying up composition blowing-dry apparatus in groove.
Detailed description of the invention
As seen in figures 3-5, it is a kind of inclined mouth type air knife of the utility model, adopt the tubular shell 5 comprising closed at both ends, one side of housing 5 is distributed with strip exhaust vent 7 as air knife knife face 6, another side is corresponding thereto provided with air inlet 9, angle between the axis of strip exhaust vent 7 and housing 5 is 45 degree, and the spacing of adjacent exhaust vent 7 is 10mm, and the width of exhaust vent 7 is 0.2mm.Housing 5 is separated into two chambers 11,12 by the air distribution plate 10 arranged vertically, exhaust vent 7 is positioned on one of them chamber 11, air inlet 9 is positioned on another chamber 12, air distribution plate 10 is distributed with wind distributing hole 13 along its length, and the aperture of wind distributing hole 13 is minimum with the wind distributing hole aperture that distance air inlet is nearest and increases gradually towards two ends.
In the present embodiment, the chamber being provided with air inlet 9 is tubular, the chamber being provided with exhaust vent 7 is rectangle cell body and its both ends of the surface edge is arc-shaped, and rectangle cell body vertically whole process is arranged on tubular chamber outer wall, and the part that tubular chamber is positioned at rectangle cell body notch is air distribution plate 10.See Fig. 5, tubular chamber 12 can be divided into A, B, C tri-regions, a-quadrant is near air inlet 9, power P due to blower fan is certain, it is the same that unit interval sends the air quantity come to, suppose to be positioned at A, B, the aperture of the wind distributing hole in C region is all identical, so same time is interior is maximum from the air quantity a-quadrant that air knife pipe is produced by boasting, the pressure of the wind that A1 region corresponding with A on air knife face can be caused like this to produce by boasting is higher than B1 and C1 region, the blast on air knife face will be caused so uneven, can have a huge impact pcb board, and cause clamp possibly.The air inlet 9 of the present embodiment is positioned at the middle part of chamber 12, wind distributing hole 13 is circular hole, the aperture being in the wind distributing hole in air distribution plate 10 centre position is 8mm, the aperture of the wind distributing hole of both sides is 10mm, namely the aperture being positioned at the wind distributing hole of a-quadrant is 8mm, be positioned at B, the aperture of the wind distributing hole in C region is 10mm, and the spacing of adjacent wind distributing hole is 20mm.Wind enters tubular chamber 12 (direction of D shown in Fig. 5) from air inlet 9, chamber 11 (direction of F shown in Fig. 5) is blown into again from wind distributing hole 13, last from exhaust vent 7 air-out (direction of E shown in Fig. 5), now the blast of air knife knife face is uniform, therefore well solves the problems referred to above.
As shown in Figure 6, the utility model inclined mouth type air knife is arranged on and dries up in groove 17 (comprising inclined mouth type air knife and lower inclined mouth type air knife), blower fan 14 sucks air, out filter out the impurity air afterwards through filter 15 from air outlet, again through dividing potential drop box 16 dividing potential drop, then entered by ball valve pressure regulation, the air inlet 9 of lower air knife, wind enters tubular chamber 12 from air inlet 9, chamber 11 is entered again from wind distributing hole 13, finally from exhaust vent 7 evenly air-out, pcb board moves (G direction) through upper under the drive of conveying mechanism, lower inclined mouth type air knife, gradient from air knife top blast wind out, water droplet on pcb board is not only subject to the power of vertical direction, also be subject to certain component in the horizontal direction to pass on pcb board limit, so just can well the water on pcb board surface be caught up with toward panel edges, reach and well catch up with water effect.
Material of the present utility model all adopts SUS316, the stainless steel of SUS316 material has plasticity, toughness, cold denaturation, welding procedure, the characteristics such as corrosion resistance is good, because phosphorus content is low and containing the molybdenum of 2%-3%, improve reproducibility salt, the corrosion resistance of various inorganic acid and Organic Acid and Base, salt, under high temperature, intensity is high.Therefore, the utility model can be avoided variously to be had corrosive liquid medicine and causes damage to it, and withstands and often heat cooling.
Embodiment of the present utility model is not limited thereto, and according to foregoing of the present utility model, according to ordinary skill knowledge and customary means, the angle between exhaust vent of the present utility model and the axis of housing is greater than 0 degree and is less than 90 degree; The spacing of adjacent exhaust vent is 5 ~ 15mm; The width of exhaust vent is 0.1 ~ 0.3mm; Wind distributing hole is circular hole, and diameter is 4 ~ 10mm, and the spacing of adjacent wind distributing hole is 15 ~ 25mm.Therefore, do not departing under the utility model above-mentioned basic fundamental thought prerequisite, the utility model can make the amendment of other various ways, replacement or change, all drops within the utility model rights protection scope.
Claims (7)
1. an inclined mouth type air knife, comprise the tubular shell of closed at both ends, one side of described housing is distributed with strip exhaust vent as air knife knife face, another side is corresponding thereto provided with air inlet, it is characterized in that: the angle between described strip exhaust vent and the axis of housing is greater than 0 degree and is less than 90 degree.
2. inclined mouth type air knife according to claim 1, is characterized in that: the angle between described strip exhaust vent and the axis of housing is 45 degree.
3. inclined mouth type air knife according to claim 2, it is characterized in that: described housing is separated into two chambers by the air distribution plate arranged vertically, described exhaust vent is positioned on one of them chamber, described air inlet is positioned on another chamber, described air distribution plate is distributed with wind distributing hole along its length, and the aperture of described wind distributing hole is minimum with the wind distributing hole aperture that distance air inlet is nearest and increases gradually towards two ends.
4. inclined mouth type air knife according to claim 3, it is characterized in that: the chamber being provided with described air inlet is tubular, the chamber being provided with described exhaust vent is rectangle cell body and its both ends of the surface edge is arc-shaped, described rectangle cell body vertically whole process is arranged on tubular chamber outer wall, and the part that described tubular chamber is positioned at described rectangle cell body notch is described air distribution plate.
5. inclined mouth type air knife according to claim 4, is characterized in that: the spacing of adjacent exhaust vent is 5 ~ 15mm.
6. inclined mouth type air knife according to claim 5, is characterized in that: the width of described exhaust vent is 0.1 ~ 0.3mm.
7. the inclined mouth type air knife according to any one of claim 3 ~ 6, is characterized in that: described wind distributing hole is circular hole, and diameter is 4 ~ 10mm, and the spacing of adjacent wind distributing hole is 15 ~ 25mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420648726.1U CN204255040U (en) | 2014-08-28 | 2014-11-03 | A kind of inclined mouth type air knife |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420492085 | 2014-08-28 | ||
| CN2014204920855 | 2014-08-28 | ||
| CN201420648726.1U CN204255040U (en) | 2014-08-28 | 2014-11-03 | A kind of inclined mouth type air knife |
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| Publication Number | Publication Date |
|---|---|
| CN204255040U true CN204255040U (en) | 2015-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420648726.1U Active CN204255040U (en) | 2014-08-28 | 2014-11-03 | A kind of inclined mouth type air knife |
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| CN (1) | CN204255040U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105526786A (en) * | 2016-01-20 | 2016-04-27 | 昆明理工大学 | Hot air mixed flow vertical dryer and homogenous drying process |
| CN106369985A (en) * | 2016-10-18 | 2017-02-01 | 东莞宇宙电路板设备有限公司 | Air knife assembly and drying device |
| CN107374491A (en) * | 2017-08-15 | 2017-11-24 | 瓦立智能机器人（上海）有限公司 | Curtain wall cleaning device and curtain cleaning robot |
| CN113532090A (en) * | 2020-04-17 | 2021-10-22 | 苏州宝馨科技实业股份有限公司 | Air knife and solar cell wet processing equipment |
-
2014
- 2014-11-03 CN CN201420648726.1U patent/CN204255040U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105526786A (en) * | 2016-01-20 | 2016-04-27 | 昆明理工大学 | Hot air mixed flow vertical dryer and homogenous drying process |
| CN106369985A (en) * | 2016-10-18 | 2017-02-01 | 东莞宇宙电路板设备有限公司 | Air knife assembly and drying device |
| CN107374491A (en) * | 2017-08-15 | 2017-11-24 | 瓦立智能机器人（上海）有限公司 | Curtain wall cleaning device and curtain cleaning robot |
| CN113532090A (en) * | 2020-04-17 | 2021-10-22 | 苏州宝馨科技实业股份有限公司 | Air knife and solar cell wet processing equipment |
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