CN103663995A - Device and method for manufacturing water-soluble light diffusion coating in LED (Light Emitting Diode) lamp tube - Google Patents
Device and method for manufacturing water-soluble light diffusion coating in LED (Light Emitting Diode) lamp tube Download PDFInfo
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- CN103663995A CN103663995A CN201310488041.5A CN201310488041A CN103663995A CN 103663995 A CN103663995 A CN 103663995A CN 201310488041 A CN201310488041 A CN 201310488041A CN 103663995 A CN103663995 A CN 103663995A
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Abstract
The invention provides a device for manufacturing a water-soluble light diffusion coating in an LED (Light Emitting Diode) lamp tube. The device comprises a slurry storing pool, a stirring machine, a diaphragm pump, a primary ultrasonic wave defoaming barrel, a first magnetic valve, a secondary ultrasonic wave defoaming barrel, a second magnetic valve, a slurry storing barrel, a third magnetic valve and a glass tube. The invention also provides a method for manufacturing the water-soluble light diffusion coating in the LED lamp tube. The method sequentially comprises the following steps: 1, carrying out primary defoaming on slurry in the primary ultrasonic wave defoaming barrel; 2, carrying out secondary defoaming in the secondary ultrasonic wave defoaming barrel; 3, putting into the slurry storing barrel for later use and pressing in the glass tube; 4, carrying out drying and forming processes on the glass tube; and 5, taking the slurry out from the glass tube and putting into the slurry storing pool to recycle. The method disclosed by the invention has the beneficial effects that small bubbles in the coating are removed by utilizing an ultrasonic wave principle through the primary ultrasonic wave defoaming barrel and the secondary ultrasonic wave defoaming barrel; and hot air is simultaneously blown inside and outside to heat, so that the upper-end coating can be rapidly dried and the thickness difference of upper and lower ends of the coating is small.
Description
Technical field
The present invention relates to the apparatus and method of water-soluble smooth diffusion coating in a kind of LED of making fluorescent tube, relate in particular to the apparatus and method of the interior water-soluble smooth diffusion coating of making LED fluorescent tube in a kind of glass LED light pipe manufacturer field.
Background technology
LED lamp is replacing traditional luminescent lamp as a kind of novel energy-conserving and environment-protective lighting source and is entering interior lighting field.With Glass tubing, make the straight pipe type LED lamp of shell owing to exchanging with traditional T8 fluorescent tube, the lighting source that has business and domestic lighting to be worth as a kind of utmost point obtains just rapidly human consumer's approval.
Because the brightness of LED is very high, can not directly as lighting source, use, must by outer cover, utilize frosted or diffuse-reflectance coating that light is carried out to secondary distribution through installing additional after outer cover, form soft light output.Traditional coating manufacture craft is first powder and solvent to be made to suspension, then adopts the method for spraying or extrusion to be coated to the inwall of Glass tubing suspension, becomes uniform diffuse-reflectance coating (being also light diffusion coating) after heated-air drying and shaping.Because the suspension rate of drying with water as solvent is slow, form top coating compared with the thin and poor problem of thickness up and down that bottom coating is thicker, cause luminous (diffused light) non-uniform phenomenon, simultaneously, coating very easily produces bubble in technological process, causes coating after dry, to form bubble and prints, and has seriously affected appearance of coat quality, become unacceptable product or waste product, thereby make manufacturing cost greatly increase.Traditional technology is after Glass tubing inwall applies, to utilize to the method for Glass tubing inwall blowing hot-air to make coating dry gradually from top to bottom, and the upper and lower thickness of coating is poor larger.
Summary of the invention
The present invention relates to one one kinds of apparatus and method of making water-soluble smooth diffusion coating in LED fluorescent tube, both effectively eliminated bubble, make again the poor processing method that is less than 5% of the upper and lower thickness of coating.
In a kind of LED of making fluorescent tube, the device of water-soluble smooth diffusion coating comprises powder slurry storage pool, stirrer, surge pump, a ultrasonic wave froth breaking bucket, the first magnetic valve, twice ultrasonic ripple froth breaking bucket, the second magnetic valve, power collecting bucket, the 3rd magnetic valve, Glass tubing and blowing hot-air mouth device, powder slurry storage pool respectively with surge pump, one time ultrasonic wave froth breaking bucket connects, surge pump is connected with a ultrasonic wave froth breaking bucket, in powder slurry storage pool, be provided with stirrer, powder slurry storage pool one side is provided with and takes back powder groove, a ultrasonic wave froth breaking bucket, the first magnetic valve, twice ultrasonic ripple froth breaking bucket, the second magnetic valve, power collecting bucket, the 3rd magnetic valve, Glass tubing is connected in turn with blowing hot-air mouth device.
Preferably, on a described ultrasonic wave froth breaking bucket and twice ultrasonic ripple froth breaking bucket, be respectively equipped with anti-overflow hole.
A method of making water-soluble smooth diffusion coating in LED fluorescent tube, comprises following sequential steps:
The first step, powder slurry is extracted in a ultrasonic wave froth breaking bucket from powder slurry storage pool, carries out froth breaking for the first time;
Second step, powder are starched through entering in twice ultrasonic ripple froth breaking bucket after froth breaking for the first time, carry out froth breaking for the second time;
The 3rd step, powder slurry, after froth breaking for the second time, enters in power collecting bucket stand-byly, is pressed in Glass tubing; The 4th step, by blowing hot-air mouth device, Glass tubing is carried out to dryness finalization;
Pasting in the 5th step, Glass tubing is carried out after dryness finalization, flows out to enter powder slurry storage pool to recycle from the bottom of Glass tubing.
Preferably, in described step 1, powder slurry is extracted in a ultrasonic wave froth breaking bucket from powder slurry storage pool by surge pump.
Preferably, in described step 2, powder slurry enters in twice ultrasonic ripple froth breaking bucket by connecting pipe and the first magnetic valve after a froth breaking.
Preferably, in described step 3, powder is starched through entering in power collecting bucket stand-by by the second magnetic valve after froth breaking for the second time.
Preferably, in described step 3, powder slurry is pressed in Glass tubing through powder slurry transport pipe, the 3rd magnetic valve and powder delivery mouth.
Preferably, in described step 4, dryness finalization technique is the inside and outside while blowing hot-air technique of heating.
Preferably, the pasting in described step 5 in Glass tubing is carried out after dryness finalization, from the bottom of Glass tubing, flows out and enters back powder groove, finally by pipeline, from time powder groove, is recovered to powder slurry storage pool and recycles.
Beneficial effect of the present invention is:
1. ultrasonic wave froth breaking bucket and twice ultrasonic ripple froth breaking bucket utilize ultrasonic wave principle that the small bubbles in coating are removed, ul-trasonic irradiation is when liquid, can produce two kinds of effects, a underbalance effect, be exactly that the interior part of liquid occurs tensile stress and forms negative pressure, the reduction of pressure makes to be originally dissolved in the dissolved gas supersaturation of liquid, and overflow from liquid, another effect is that powerful tensile stress " tears " a cavity liquid, be called cavitation, in cavity, be liquid vapour or the another kind of gas that is dissolved in liquid, it may be even vacuum, the small bubbles that form because of cavatition can constantly move with the vibration of surrounding medium, grow up or overflow suddenly and vanish,
2. another part is to reduce the poor method of upper and lower thickness, the present invention is flowing downward after the relation of rate of drying and temperature in process fully having studied powder slurry, proposition changes single heat and becomes the inside and outside blowing hot-air simultaneously technique of heating to inner blowing hot-air, use the inside and outside blowing hot-air simultaneously technique of heating can allow upper end coating be dried rapidly, make upper end thickening, like this, just reached and reduced the poor object of upper and lower thickness, in the ideal situation, this upper and lower thickness is poor can equal zero.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present invention;
Fig. 2 be of the present invention be to coordinate schematic diagram for reducing the poor blowing hot-air mouth of upper and lower thickness with the fluorescent tube after dusting.
Embodiment
Below in conjunction with embodiment and accompanying drawing, structure of the present invention is described further.
Embodiment 1
As Fig. 1, shown in 2, in a kind of LED of making fluorescent tube, the device of water-soluble smooth diffusion coating comprises powder slurry storage pool 1, stirrer 3, surge pump 2, a ultrasonic wave froth breaking bucket 4, the first magnetic valve 5, twice ultrasonic ripple froth breaking bucket 6, the second magnetic valve 7, power collecting bucket 8, the 3rd magnetic valve 9, Glass tubing 10 and blowing hot-air mouth device 12, powder slurry storage pool 1 respectively with surge pump 2, one time ultrasonic wave froth breaking bucket 4 connects, surge pump 2 is connected with a ultrasonic wave froth breaking bucket 4, in powder slurry storage pool 1, be provided with stirrer 3, powder slurry storage pool 1 one sides are provided with and take back powder groove 11, a ultrasonic wave froth breaking bucket 4, the first magnetic valve 5, twice ultrasonic ripple froth breaking bucket 6, the second magnetic valve 7, power collecting bucket 8, the 3rd magnetic valve 9, Glass tubing 10 is connected in turn with blowing hot-air mouth device 12, on ultrasonic wave froth breaking bucket 4 and twice ultrasonic ripple froth breaking bucket 6, be respectively equipped with anti-overflow hole.
A method of making water-soluble smooth diffusion coating in LED fluorescent tube, comprises following sequential steps:
The first step, powder slurry is extracted in a ultrasonic wave froth breaking bucket 4 from powder slurry storage pool, carries out froth breaking for the first time;
Second step, powder are starched through entering in twice ultrasonic ripple froth breaking bucket 6 after froth breaking for the first time, carry out froth breaking for the second time;
The 3rd step, powder slurry, after froth breaking for the second time, enters in power collecting bucket 8 stand-byly, is pressed in Glass tubing 10;
The 4th step, by 12 pairs of Glass tubings of blowing hot-air mouth device 10, carry out dryness finalization;
Pasting in the 5th step, Glass tubing 10 is carried out after dryness finalization, flows out to enter powder slurry storage pool 1 to recycle from the bottom of Glass tubing 10.
In step 1, powder slurry is extracted in a ultrasonic wave froth breaking bucket 4 from powder slurry storage pool by surge pump 2, in step 2, powder slurry enters in twice ultrasonic ripple froth breaking bucket 6 by connecting pipe and the first magnetic valve 5 after a froth breaking, in step 3, powder slurry is through entering in power collecting bucket stand-by by the second magnetic valve 7 after froth breaking for the second time, in step 3, powder slurry is through powder slurry transport pipe, the 3rd magnetic valve 9 and powder delivery mouth are pressed in Glass tubing 10, in described step 4, Glass tubing 10 is carried out to dryness finalization for to heat to carry out blowing hot-air inside and outside Glass tubing 10 simultaneously, pasting in step 5 in Glass tubing 10 is carried out after dryness finalization, from the bottom of Glass tubing 10, flow out and enter back powder groove 11, finally by pipeline, from time powder groove 11, be recovered to powder slurry storage pool and recycle.
On ultrasonic wave froth breaking bucket 4 and twice ultrasonic ripple froth breaking bucket 6, be respectively equipped with anti-overflow hole, when entering the powder slurry flow of froth breaking bucket and be greater than the flow of use, unnecessary powder slurry can come back to through overflowing powder pipeline in powder slurry storage pool and recycle.In powder slurry storage pool, there is stirrer 3, to prevent the precipitation of powder slurry.
Claims (9)
1. a device of making water-soluble smooth diffusion coating in LED fluorescent tube, it is characterized in that: comprise powder slurry storage pool, stirrer, surge pump, a ultrasonic wave froth breaking bucket, the first magnetic valve, twice ultrasonic ripple froth breaking bucket, the second magnetic valve, power collecting bucket, the 3rd magnetic valve, Glass tubing and blowing hot-air mouth device, powder slurry storage pool respectively with surge pump, one time ultrasonic wave froth breaking bucket connects, surge pump is connected with a ultrasonic wave froth breaking bucket, in powder slurry storage pool, be provided with stirrer, powder slurry storage pool one side is provided with and takes back powder groove, a ultrasonic wave froth breaking bucket, the first magnetic valve, twice ultrasonic ripple froth breaking bucket, the second magnetic valve, power collecting bucket, the 3rd magnetic valve, Glass tubing is connected in turn with blowing hot-air mouth device.
2. the device of making according to claim 1 water-soluble smooth diffusion coating in LED fluorescent tube, is characterized in that: on a described ultrasonic wave froth breaking bucket and twice ultrasonic ripple froth breaking bucket, be respectively equipped with anti-overflow hole.
3. a method of making water-soluble smooth diffusion coating in LED fluorescent tube, is characterized in that: comprise following sequential steps:
The first step, powder slurry is extracted in a ultrasonic wave froth breaking bucket from powder slurry storage pool, carries out froth breaking for the first time;
Second step, powder are starched through entering in twice ultrasonic ripple froth breaking bucket after froth breaking for the first time, carry out froth breaking for the second time;
The 3rd step, powder slurry, after froth breaking for the second time, enters in power collecting bucket stand-byly, is pressed in Glass tubing; The 4th step, by blowing hot-air mouth device, Glass tubing is carried out to dryness finalization;
Pasting in the 5th step, Glass tubing is carried out after dryness finalization, flows out to enter powder slurry storage pool to recycle from the bottom of Glass tubing.
4. the method for making according to claim 3 water-soluble smooth diffusion coating in LED fluorescent tube, is characterized in that: in described step 1, powder slurry is extracted in a ultrasonic wave froth breaking bucket from powder slurry storage pool by surge pump.
5. the method for making according to claim 3 water-soluble smooth diffusion coating in LED fluorescent tube, is characterized in that: in described step 2, powder slurry enters in twice ultrasonic ripple froth breaking bucket by connecting pipe and the first magnetic valve after a froth breaking.
6. the method for making according to claim 3 water-soluble smooth diffusion coating in LED fluorescent tube, is characterized in that: in described step 3, powder slurry is through entering in power collecting bucket stand-by by the second magnetic valve after froth breaking for the second time.
7. the method for making according to claim 3 water-soluble smooth diffusion coating in LED fluorescent tube, is characterized in that: in described step 3, powder slurry is pressed in Glass tubing through powder slurry transport pipe, the 3rd magnetic valve and powder delivery mouth.
8. the method for making according to claim 3 water-soluble smooth diffusion coating in LED fluorescent tube, is characterized in that: in described step 4, Glass tubing is carried out to dryness finalization for to heat to carry out blowing hot-air inside and outside Glass tubing simultaneously.
9. make according to claim 3 the method for water-soluble smooth diffusion coating in LED fluorescent tube, it is characterized in that: the pasting in described step 5 in Glass tubing is carried out after dryness finalization, from the bottom of Glass tubing, flow out and enter back powder groove, finally by pipeline, from time powder groove, be recovered to powder slurry storage pool and recycle.
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| CN201310488041.5A CN103663995A (en) | 2013-10-18 | 2013-10-18 | Device and method for manufacturing water-soluble light diffusion coating in LED (Light Emitting Diode) lamp tube |
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| CN201310488041.5A CN103663995A (en) | 2013-10-18 | 2013-10-18 | Device and method for manufacturing water-soluble light diffusion coating in LED (Light Emitting Diode) lamp tube |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110789148A (en) * | 2019-09-18 | 2020-02-14 | 江苏华纳环保科技有限公司 | Integrated forming process of high-power wind power motor cabin cover |
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| JPH09136052A (en) * | 1995-11-13 | 1997-05-27 | Toray Ind Inc | Method for forming protective layer and apparatus therefor, method for manufacturing optical recording medium and apparatus therefor |
| CN1828804A (en) * | 2005-03-04 | 2006-09-06 | 显示器生产服务株式会社 | Fluorescent material coating apparatus and method of coating fluorescent substance using the same |
| CN202230971U (en) * | 2011-09-20 | 2012-05-23 | 浙江金陵光源电器有限公司 | Powder coating device |
| CN202263695U (en) * | 2011-09-20 | 2012-06-06 | 浙江金陵光源电器有限公司 | Constant temperature retaining device |
| CN103048822A (en) * | 2013-01-11 | 2013-04-17 | 深圳市华星光电技术有限公司 | Method and device for removing bubbles for pipeline of substrate coating machine and corresponding coating machine |
| CN203498256U (en) * | 2013-10-18 | 2014-03-26 | 浙江金陵光源电器有限公司 | Device for manufacturing water-soluble light diffusion coating in LED (light-emitting diode) tube |
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- 2013-10-18 CN CN201310488041.5A patent/CN103663995A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09136052A (en) * | 1995-11-13 | 1997-05-27 | Toray Ind Inc | Method for forming protective layer and apparatus therefor, method for manufacturing optical recording medium and apparatus therefor |
| CN1828804A (en) * | 2005-03-04 | 2006-09-06 | 显示器生产服务株式会社 | Fluorescent material coating apparatus and method of coating fluorescent substance using the same |
| CN202230971U (en) * | 2011-09-20 | 2012-05-23 | 浙江金陵光源电器有限公司 | Powder coating device |
| CN202263695U (en) * | 2011-09-20 | 2012-06-06 | 浙江金陵光源电器有限公司 | Constant temperature retaining device |
| CN103048822A (en) * | 2013-01-11 | 2013-04-17 | 深圳市华星光电技术有限公司 | Method and device for removing bubbles for pipeline of substrate coating machine and corresponding coating machine |
| CN203498256U (en) * | 2013-10-18 | 2014-03-26 | 浙江金陵光源电器有限公司 | Device for manufacturing water-soluble light diffusion coating in LED (light-emitting diode) tube |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110789148A (en) * | 2019-09-18 | 2020-02-14 | 江苏华纳环保科技有限公司 | Integrated forming process of high-power wind power motor cabin cover |
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Application publication date: 20140326 |