CN201711256U - Ultrasonic flux coating device - Google Patents
Ultrasonic flux coating device Download PDFInfo
- Publication number
- CN201711256U CN201711256U CN2010201122728U CN201020112272U CN201711256U CN 201711256 U CN201711256 U CN 201711256U CN 2010201122728 U CN2010201122728 U CN 2010201122728U CN 201020112272 U CN201020112272 U CN 201020112272U CN 201711256 U CN201711256 U CN 201711256U
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- ultrasonic
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- scaling powder
- soldering flux
- flux
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Abstract
The utility model discloses an ultrasonic flux coating device comprising an ultrasonic flux coating box body. The ultrasonic flux coating box body comprises a bottom case provided with centrifugal fans installed at two sides, a middle case provided with air guide frames installed at two sides, and a top case provided with a flux atomizing channel, wherein the bottom of the bottom case is provided with a cooling device; a flux case is installed above the cooling device; the bottom of the flux case is provided with a high frequency ultrasonic atomizer, the bottom of which is connected with the cooling device; a spray nozzle plate with a spray nozzle is flexibly installed above the top case; the ultrasonic flux coating box body is externally provided with at least one spare spray nozzle plate capable of replacing the spray nozzle plate; and the outer edge of the top case is provided with a position sensor. The ultrasonic flux coating device has the advantages of uniform atomization, easy control, free adjustment of atomization in size, height and width according to requirements, and capability of reducing waste of flux and pollution to the environment caused by the dispersion of flux.
Description
Technical field
The utility model relates to a kind of scaling powder coating unit, especially relates to a kind of ultrasonic soldering flux coating unit that utilizes the ultrasonic atomization mode.
Background technology
In wave soldering technology, traditional scaling powder atomizing generally all adopts air pressure or electromagnetic wave to make the scaling powder atomizing, sprays on the PCBA by the specific nozzle that moves then.Adopt above-mentioned technology spraying scaling powder, the scaling powder granularity after its atomizing is thin inadequately and inhomogeneous; The influence that moved separately by PCBA and nozzle, the scaling powder that is sprayed on the PCBA can't reach uniformity.This will bring tremendous influence to the quality of welding, waste a large amount of scaling powders simultaneously.The technology of scaling powder by the ultrasonic nozzle atomizing of utilizing abroad arranged, and the speed of atomizing is decided by the speed of scaling powder introducing nozzle.Utilize a kind of technology of ultrasonic nozzle to relate to compressed air or the nitrogen that uses moderate pressure, when come out in the nozzle atomization surface, make spray shaping.Weak point: 1. what adopt is low-frequency ultrasonic waves, as adopt high-frequency ultrasonic, near generator, can produce tiny atomizing particle, but because nozzle bore is little, when these tiny atomizing particles very easily are fused into big or small uneven atomizing particle by nozzle bore.2. same, because nozzle bore is little, when atomizing particle passes through nozzle bore, on nozzle bore, can liquefy, its subsidiary impurity can remain on the nozzle bore, to ultrasonic nozzle is stopped up easily.3. internal mechanism is complicated especially.3. magnetic valve at most available two to three years (will change fully).4. follow according to the different width of PCBA to transfer two between the shower nozzle distance and the angle of tracheae, the operation more complicated.5. the filter cotton in the bucket will often clean, otherwise will plug nozzle.6. the size of spray amount and speed are subject to the size of scaling powder flow and the influence that flow rate effect 7. spray effects are subject to air disturbance, cause the scaling powder of PCBA to apply inhomogeneous.
Summary of the invention
At problem set forth above, the utility model purpose is to provide a kind of ultrasonic soldering flux coating unit that utilizes the ultrasonic atomization mode.
The utility model is realized by following technical measures, a kind of ultrasonic soldering flux coating unit, comprise that ultrasonic soldering flux applies casing, described ultrasonic soldering flux applies casing and comprises that both sides are equipped with the top case that the under casing of centrifugal blower, both sides are equipped with the middle part case of wind guiding rack and are provided with the scaling powder nebulization channel; Described under casing bottom is provided with cooling device, and the top of cooling device is equipped with the scaling powder case, and the bottom of this scaling powder case is provided with the high-frequency ultrasonic atomizer, and the bottom of high-frequency ultrasonic atomizer is connected with cooling device; Described centrifugal blower matches with wind guiding rack, and the air outlet of two wind guiding racks is arranged on and the air-flow that two centrifugal blowers are discharged can be formed the at the uniform velocity symmetric position of air-flow in the scaling powder nebulization channel of top case; Case top, described top is movably installed with the shower plate of band shower nozzle, and ultrasonic soldering flux applies the standby shower plate that casing is outside equipped with at least one replaceable shower plate; Place, case outside, described top is provided with a position sensor.
As a kind of preferred version, have at least the shower nozzle of a shower plate to be set to porous nozzle, each shower nozzle hole is provided with the motor switch of an adjusting shower nozzle hole folding, motor switch all is electrically connected with microprocessor, and is controlled the action of motor switch closure when the relevant position solder joint is then opened and left in each shower nozzle hole according to the distribution of the last solder joint of PCBA by microprocessor.
Cooling device wherein is any one in water cooling plant or the air cooling equipment; The ultrasonic frequency of high-frequency ultrasonic atomizer is 54KHz-200KHz.
Processing step of the present utility model is:
The first step apply in the casing and the bottom is equipped with in the scaling powder case of high-frequency ultrasonic atomizer and injects scaling powder to being arranged on ultrasonic soldering flux, and the liquid level of scaling powder is higher than the position that can soak ultrasonic ultrasonic delay line memory;
Second step, going up the distributing position of solder joint according to PCBA to be welded selects suitable shower plate to be installed in ultrasonic soldering flux coating casing top, go up simultaneously the input current of size adjustment high-frequency ultrasonic atomizer of what and shower plate upper nozzle of solder joint according to PCBA to be welded, thus the concentration of the atomizing scaling powder that sprays on amount that the control scaling powder atomizes and the shower plate shower nozzle;
The 3rd step, when the position sensor on being installed in ultrasonic soldering flux coating casing is sensed the PCBA that is sent by conveyer belt, the high-frequency ultrasonic atomizer is started working, be installed in the centrifugal fan work that ultrasonic soldering flux applies both sides in the casing simultaneously, make by wind guiding rack granule scaling powder that the air of discharging from centrifugal fan and high-frequency ultrasonic atomizer atomize can be evenly at a constant rate shower nozzle from the shower plate be sprayed on the PCBA;
The 4th step, apply position sensor on the casing when sensing the PCBA that sends by conveyer belt and leaving when being installed in ultrasonic soldering flux, the high-frequency ultrasonic atomizer quits work, the centrifugal fan that is installed in both sides in the ultrasonic soldering flux coating casing simultaneously quits work, when position sensor is sensed next piece PCBA, turned back to for the 3rd step.
Because the utility model adopts the great shower plate structure of capacity, and adopt a plurality of blower fans on the scaling powder nebulization channel, to form the uniform scaling powder atomizing of low speed, the tiny atomizing particle that is produced by the high-frequency ultrasonic atomizer can produce low speed from shower plate like this, evenly, the scaling powder atomizing of fine particle, scaling powder particle after this atomizing and the adhesive force of PCBA are stronger, better to the wetability that the PCBA component hole is kept away, because what adopt is low at the uniform velocity air-flow, scaling powder after the atomizing is uniformly sprayed the solder side at PCBA, the scaling powder that has sprayed is not worried being dispelled by air stream yet, does not worry spraying to the another side of PCBA; Owing to adopt the great shower plate structure of capacity, do not worry the gambling plug of nozzle, the scaling powder of atomizing is not subjected to the influence of air disturbance; And the structure that the motor switch that the utility model also can adopt the distribution of going up solder joint according to PCBA by microprocessor to control each shower nozzle hole opens and closes, thereby have more accuracy and economy can make PCBA spraying scaling powder the time; The amount of scaling powder atomizing is by regulating the Current Control of high frequency ultrasound wave producer, in conjunction with the height and the flow of the controllable rotation speed system spraying by regulating blower fan, and the width of spraying by the width decision of shower plate upper nozzle; Simultaneously because the high frequency ultrasound wave producer is arranged on the bottom of scaling powder case, the high frequency ultrasound wave producer that ought be immersed in like this in the scaling powder can also stir scaling powder by the ultra-high frequency ultrasonic wave concussion in the atomizing scaling powder, make the various material compositions in the scaling powder disperse more evenly and difficult precipitation; Be provided with cooling device below the scaling powder case, can avoid the effective active because of high frequency ultrasound wave producer work warming-up effect scaling powder, the temperature that cooling device can be regulated the scaling powder in the scaling powder case makes it be no more than 40 ℃.This spraying is more even, be easy to control, the size of spraying, highly, width regulated at will more as required, the utility model can reduce the waste of scaling powder, and can reduce the environmental pollution of dispersing and causing because of scaling powder.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model STRUCTURE DECOMPOSITION schematic diagram.
The specific embodiment
Below in conjunction with embodiment and contrast accompanying drawing the utility model is described in further detail.
A kind of ultrasonic soldering flux coating unit, comprise that ultrasonic soldering flux applies casing, described ultrasonic soldering flux applies casing and comprises that both sides are equipped with the top case 4 that under casing 9, the both sides of centrifugal blower 10 are equipped with the middle part case 5 of wind guiding rack 6 and are provided with the scaling powder nebulization channel; Described under casing 9 bottoms are provided with water cooling plant 11, and the top of water cooling plant 11 is equipped with scaling powder case 7, and the bottom of this scaling powder case 7 is provided with 60KHz ultrasonic ultrasonic delay line memory 8, and the bottom of 60KHz ultrasonic ultrasonic delay line memory 8 is connected with cooling device 11; Described centrifugal blower 10 matches with wind guiding rack 6, and the air outlet of two wind guiding racks 6 is arranged on and the air-flow that two centrifugal blowers 10 are discharged can be formed the at the uniform velocity symmetric position of air-flow in the scaling powder nebulization channel of top case 4; Case 4 tops, described top are movably installed with the shower plate 1 of band shower nozzle 2, ultrasonic soldering flux applies automatically controlled shower plate 1 ｀ that casing is outside equipped with a replaceable shower plate 1, this automatically controlled shower plate 1 ｀ is a porous nozzle, each shower nozzle hole is provided with the motor switch of an adjusting shower nozzle hole folding, motor switch all is electrically connected with PLC, and is controlled the action of motor switch closure when the relevant position solder joint is then opened and left in each shower nozzle hole according to the distribution of the last solder joint of PCBA by PLC; Place, top case 4 outsides is provided with a position sensor 3.
More than be that the utility model ultrasonic soldering flux coating unit is set forth; be used for helping to understand the utility model; but embodiment of the present utility model is not restricted to the described embodiments; anyly do not deviate from the change done under the utility model principle, modification, substitute, combination, simplify; all should be the substitute mode of equivalence, be included within the protection domain of the present utility model.
Claims (4)
1. ultrasonic soldering flux coating unit, comprise that ultrasonic soldering flux applies casing, is characterized in that: described ultrasonic soldering flux applies casing and comprises that both sides are equipped with the top case that the under casing of centrifugal blower, both sides are equipped with the middle part case of wind guiding rack and are provided with the scaling powder nebulization channel; Described under casing bottom is provided with cooling device, and the top of cooling device is equipped with the scaling powder case, and the bottom of this scaling powder case is provided with the high-frequency ultrasonic atomizer, and the bottom of high-frequency ultrasonic atomizer is connected with cooling device; Described centrifugal blower matches with wind guiding rack, and the air outlet of two wind guiding racks is arranged on and the air-flow that two centrifugal blowers are discharged can be formed the at the uniform velocity symmetric position of air-flow in the scaling powder nebulization channel of top case; Case top, described top is movably installed with the shower plate of band shower nozzle, and ultrasonic soldering flux applies the standby shower plate that casing is outside equipped with at least one replaceable shower plate; Place, case outside, described top is provided with a position sensor.
2. ultrasonic soldering flux coating unit according to claim 1, it is characterized in that: described shower plate has at least the shower nozzle of a shower plate to be set to porous nozzle, each shower nozzle hole is provided with the motor switch of an adjusting shower nozzle hole folding, and described motor switch all is electrically connected with microprocessor.
3. ultrasonic soldering flux coating unit according to claim 1 is characterized in that: described cooling device is any one in water cooling plant or the air cooling equipment.
4. ultrasonic soldering flux coating unit according to claim 1 is characterized in that: the ultrasonic frequency of described high-frequency ultrasonic atomizer is 54KHz-200KHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201122728U CN201711256U (en) | 2010-02-04 | 2010-02-04 | Ultrasonic flux coating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201122728U CN201711256U (en) | 2010-02-04 | 2010-02-04 | Ultrasonic flux coating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201711256U true CN201711256U (en) | 2011-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201122728U Expired - Fee Related CN201711256U (en) | 2010-02-04 | 2010-02-04 | Ultrasonic flux coating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201711256U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101869885A (en) * | 2010-02-04 | 2010-10-27 | 严永农 | Ultrasonic soldering flux coating process and device |
| CN104741279A (en) * | 2013-12-26 | 2015-07-01 | 深圳市堃琦鑫华股份有限公司 | Ultrasonic spraying equipment |
| CN105598550A (en) * | 2016-04-01 | 2016-05-25 | 浪潮电子信息产业股份有限公司 | Method and equipment for solving problem of uniform Flux spraying of wide plate of wave-soldering sprayer |
| CN115318503A (en) * | 2022-08-12 | 2022-11-11 | 张生科 | PCB surface treatment system and treatment process |
-
2010
- 2010-02-04 CN CN2010201122728U patent/CN201711256U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101869885A (en) * | 2010-02-04 | 2010-10-27 | 严永农 | Ultrasonic soldering flux coating process and device |
| CN101869885B (en) * | 2010-02-04 | 2013-10-23 | 深圳市堃琦鑫华科技有限公司 | Ultrasonic soldering flux coating process and device |
| CN104741279A (en) * | 2013-12-26 | 2015-07-01 | 深圳市堃琦鑫华股份有限公司 | Ultrasonic spraying equipment |
| CN104741279B (en) * | 2013-12-26 | 2017-02-15 | 深圳市堃琦鑫华股份有限公司 | Ultrasonic spraying equipment |
| CN105598550A (en) * | 2016-04-01 | 2016-05-25 | 浪潮电子信息产业股份有限公司 | Method and equipment for solving problem of uniform Flux spraying of wide plate of wave-soldering sprayer |
| CN115318503A (en) * | 2022-08-12 | 2022-11-11 | 张生科 | PCB surface treatment system and treatment process |
| CN115318503B (en) * | 2022-08-12 | 2024-01-26 | 梅州利裕达电路板有限公司 | PCB surface treatment system and treatment process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN KUNQIXINHUA TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: YAN YONGNONG Effective date: 20111017 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20111017 Address after: Longgang District of Shenzhen City, Guangdong province 518000 Bantian street gang head community Gang tou Xue Gang Bei Lu Ao forest No. 1 building E Building 5 floor (Kee Plastic silk factory) Patentee after: Shenzhen Kunqixinhua Technology Co., Ltd. Address before: 518000 Shenzhen, Guangdong Province, Longhua Town, Baoan District village, 32 former village Patentee before: Yan Yongnong |
|
| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN KUNQI XINHUA CO., LTD. Free format text: FORMER NAME: SHENZHEN KUNQIXINHUA TECHNOLOGY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 518000, No. 1, building No. 2, F building, snow tech Industrial District, Bantian street, District, Longgang District, Guangdong City, Shenzhen Province, China Patentee after: SHENZHEN KUNQI XINHUA CO., LTD. Address before: Longgang District of Shenzhen City, Guangdong province 518000 Bantian street gang head community Gang tou Xue Gang Bei Lu Ao forest No. 1 building E Building 5 floor (Kee Plastic silk factory) Patentee before: Shenzhen Kunqixinhua Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110119 Termination date: 20170204 |