CN204638468U - Be applicable to the photocuring coating apparatus of hydrophilic aluminium foil coating - Google Patents
Be applicable to the photocuring coating apparatus of hydrophilic aluminium foil coating Download PDFInfo
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- CN204638468U CN204638468U CN201520130705.5U CN201520130705U CN204638468U CN 204638468 U CN204638468 U CN 204638468U CN 201520130705 U CN201520130705 U CN 201520130705U CN 204638468 U CN204638468 U CN 204638468U
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Abstract
The utility model provides a kind of photocuring coating apparatus being applicable to hydrophilic aluminium foil coating, it comprises the aluminium foil unwinding device, several coater units and the aluminium foil wrap-up that set gradually from side to opposite side, described coater unit comprises the multiple roll apparatus for coating, drying unit and the light curring unit that are set gradually to aluminium foil wrap-up by aluminium foil unwinding device, described multiple roll apparatus for coating comprises some applicator rolls, and described light curring unit comprises light source and chill roll.The utility model has the advantage of: novel Photocurable coating material can be applied to the production process that hydrophilic aluminium foil is produced, products obtained therefrom performance reaches the quality index of traditional heat cure hydrophilic aluminium foil, is applicable to the production of the hydrophilic aluminium foil of air-condition heat exchanger fin.
Description
Technical field
The utility model relates to a kind of photocuring coating apparatus being applicable to hydrophilic aluminium foil coating, belongs to the manufacture field of air-condition heat exchanger hydrophilic aluminium foil used.
Background technology
In recent years, development of air conditioning industry was rapid, and the live and work for us provides convenient.When the heat exchanger of air-conditioning works, the condensed water that air produces can form the globule on the fin of heat exchanger, when spacing of fin is less than 2mm, the condensation globule can couple together with the globule in adjacent fins and form water bridge, along with the miniaturization of air-conditioning, pitch requirements between fin is more and more less, and therefore, water bridge phenomenon is very serious.Water bridge phenomenon causes windage increase, air quantity declines, thus affects the thermal property of device, and refrigerating capacity is reduced.In addition, although aluminium and aluminium alloy thereof have good corrosion resistance, but the oxygen in the condensed water on the aluminium surface of prolonged stay absorption air and sulphur, nitrogen etc., accelerate the generation of aluminium foil surface corrosion, and then cause aluminium foil efflorescence, cause the pollution of environment, particularly in coastal area, this phenomenon is more serious.In order to prevent the generation of above-mentioned phenomenon, raising and improve the performance of air-conditioner, conventional method carries out hydrophilic and preservative treatment to the fin of heat exchanger, applies the hydrophilic corrosion-inhibiting coating of one deck and protect, be i.e. hydrophilic aluminium foil at fin surface.
Hydrophilic aluminium foil coating many employings heat curing coating of current heat exchanger, the shortcoming of such coating is to use a large amount of solvent, and need high-temperature heating (350 ~ 500 DEG C) guarantee solidification effect when solidifying, cause the electricity cost of great number, not only not environmentally but also consume a large amount of electric energy.In order to solve the problem of the high energy consumption of traditional coating, maximum discharge, high pollution, the solvent-free photocureable coating of our independent research, ultraviolet light irradiation radiation modality is adopted to make resin and diluent system film-forming within the several seconds, because hardening time is extremely short, thus achieve environmental protection, efficient, energy-conservation target, greatly reduce traditional heat curing coating produce cause in hydrophilic aluminium foil process high energy consumption, maximum discharge, high pollution problem.Compared to published patent and document, there are no the document corresponding with this Project Technical and patent, the research and development of project have novelty.But solvent-free photocureable coating can not use on traditional Thermocuring equipment, therefore need to design brand-new low coating weight and the equipment with ultra-violet curing module to realize the production of photocuring hydrophilic aluminium foil.
Utility model content
The purpose of this utility model is the deficiency cannot accomplishing low coating weight, ultraviolet light polymerization overcoming above-mentioned existing hydrophilic aluminium foil equipment existence, provides a kind of and is applicable to the Novel coating equipment of ultraviolet light polymerization hydrophilic aluminium foil production and the coating process based on this equipment.
The utility model is achieved through the following technical solutions:
The utility model provides a kind of photocuring coating apparatus being applicable to hydrophilic aluminium foil coating, it comprises the aluminium foil unwinding device, several coater units and the aluminium foil wrap-up that set gradually from side to opposite side, described coater unit comprises the multiple roll apparatus for coating, drying unit and the light curring unit that are set gradually to aluminium foil wrap-up by aluminium foil unwinding device, described multiple roll apparatus for coating comprises some applicator rolls, and described light curring unit comprises light source and chill roll.
Preferably, the quantity of described applicator roll is five, the line of five applicator rolls is L-type, wherein, two applicator rolls vertically arrange, two applicator rolls are horizontal, and two applicator rolls of vertically arrangement all can in the vertical direction translation, and two horizontal applicator rolls all can translation in the horizontal direction.
Preferably, the two ends of two horizontal described applicator rolls are respectively provided with a baffle plate.
Preferably, described aluminium foil wrap-up and aluminium foil unwinding device all adopt Double Tops to bore or air-expanding shaft driving.
Preferably, described light source comprises lampshade and is arranged at many mercury lamps in described lampshade, is filled with inert gas in the space in described lampshade.
Preferably, described mercury lamp is along the direction vertical arrangement of advancing perpendicular to base material.
Preferably, the distance between adjacent two described mercury lamps is 3 ~ 30cm.
Preferably, described applicator roll and chill roll are hollow roll body, and there is the pipeline of recirculated water or oil inside, with ensure applicator roll and chill roll surface temperature constant.
Based on a coating process for photocuring coating apparatus described in the utility model, it comprises the steps:
Aluminium foil, after unwinding device unreels, enters the applicator roll in multiple roll apparatus for coating by deflector roll, and the position of adjustment applicator roll makes adjacent applicator roll close contact, carries out the coating of coating;
Aluminium foil after coating is imported in drying unit by deflector roll, dries;
Aluminium foil after drying, by the light source in deflector roll lead-in light solidification equipment, carries out photocuring;
Aluminium foil after photocuring is imported in cooling device by deflector roll and cools;
Carry out rolling through cooled aluminium foil by wrap-up, complete the coating of aluminium foil.
Preferably, the ultraviolet wavelength of described mercury lamp is 200 ~ 420nm, and the radial power density of mercury lamp fluorescent tube is 100 ~ 200W/cm, and the hull-skin temperature of described applicator roll is 20 ~ 60 DEG C, and the hull-skin temperature of described chill roll is 15-25 DEG C.
Preferably, when the rotating ratio of two described applicator rolls is 15/100, coating weight is 1.0g/m
2, the ultraviolet wavelength of described mercury lamp is 280 ~ 365nm.
The material of colloid applicator roll is PU or silica gel, has that solvent resistant is good, wearability is good, heatproof reaches as high as the advantage of 100 DEG C.
Aluminium foil during production after extrusion coated is introduced into drying unit, and drying unit is a choice for use item for the utility model, when coating process needs just to be opened by drying unit through drying and processing, otherwise is in closed condition.The length of drying unit is 3 ~ 8 meters, is made up of some joint baking ovens, often saves baking oven baking oven and is furnished with 3 road air knives and air inlet/outlet EGR, adopt infrared heating or electrically heated mode.Product introduction light curring unit after drying unit is cured.
The light curring unit that the utility model comprises is anaerobic solidification equipment, except the fine gap of import export, other are all closed systems to whole photocuring cavity, whole system is divided into two by solidification cavity by the quartz glass of a slice high transmission rate, the product of coating and import and export are in the side of quartz glass, and ultraviolet source is in the other side of quartz glass.In the side cavity imported and exported, there are the inert gases such as logical nitrogen to be cured protection, to ensure inner minimum oxygen content, generally oxygen content controlled within 0.1%.The Lights section of the ultraviolet curing device of side is made up of some mercury lamps perpendicular to the parallel arrangement of base material direction of advance in addition, the wave-length coverage of the ultraviolet light that this device uses is between 200 ~ 420nm, fluorescent tube radial power density, in 100 ~ 200W/cm (i.e. fluorescent tube general power/fluorescent tube length), is interposed between 3 ~ 30cm between lamp and lamp.Light curring unit adopts cooling circulating water to cool to lampshade, with the service life of prolonging lamp tube.And have air exhauster to be positioned at this side the ozone that light source produces all is extracted out.
Product temperature through overcuring generally all can be higher, therefore light curring unit also comprises chill roll, and a diameter is greater than the steel rider of 500mm, and there is circulating water pipeline inside, be connected with cooling fluid and carry out cooling process to the aluminium foil through this chill roll, during to ensure rolling, be in room temperature state.
Compared with prior art, the utility model has following beneficial effect:
Winding/unwinding device of the present utility model adopts Double Tops cone or inflatable shaft design, the weight decision of aluminium foil is specifically produced according to client, unwinding and rewinding are double so that ensure can continuous seepage, unwinding tension adopts constant-tension, winding tension adopts taper tension, to ensure that in production process, tension force matches the change of coil diameter, whole apparatus for coating adopts PLC to control, and ensures the stability of coating.
The wet coating amount being realized coating by five coating device can control at 0.3 ~ 3.0g/m accurately
2between adjustable, by ultraviolet curing device realize coating film forming solidification.Novel Photocurable coating material can be applied to the production process that hydrophilic aluminium foil is produced, products obtained therefrom performance reaches the quality index of traditional heat cure hydrophilic aluminium foil, is applicable to the production of the hydrophilic aluminium foil of air-condition heat exchanger fin.
Five coating device of the present utility model are made up of through the applicator roll of polishing five root table faces, can be rubber roll, steel rider or ceramic roller, when surface finish process can ensure to be coated with, coating can be evenly distributed on all roll surfaces, and then the coating continuous uniform on guarantee aluminium foil products is without holiday.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present utility model will become more obvious:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is top view of the present utility model.
Detailed description of the invention
Below in conjunction with specific embodiment, the utility model is described in detail.Following examples will contribute to those skilled in the art and understand the utility model further, but not limit the utility model in any form.It should be pointed out that to those skilled in the art, without departing from the concept of the premise utility, some distortion and improvement can also be made.These all belong to protection domain of the present utility model.
embodiment 1
The utility model provide a kind of be applicable to hydrophilic aluminium foil coating photocuring coating apparatus structure as depicted in figs. 1 and 2, comprise aluminium foil unwinding device A, several coater units B and the aluminium foil wrap-up C set gradually from side to opposite side, coater unit B comprises the multiple roll apparatus for coating B1, drying unit B2 and the light curring unit B3 that are set gradually to aluminium foil wrap-up by aluminium foil unwinding device, and aluminium foil wrap-up A and aluminium foil unwinding device C all adopts Double Tops to bore or air-expanding shaft drives.Multiple roll apparatus for coating comprises the first applicator roll 1 of line l-shaped successively, second applicator roll 2, 3rd applicator roll 3, 4th applicator roll 4 and the 5th applicator roll 5, wherein, first applicator roll 1, second applicator roll 2 vertically arranges, 4th applicator roll 4 and the 5th applicator roll 5 horizontal, 3rd applicator roll 3 is between the second applicator roll 2 and the 4th applicator roll 4, 3rd applicator roll 3 fixedly mounts, first applicator roll 1 and the second applicator roll 2 can vertically translations, 4th applicator roll 4 and the 5th applicator roll 5 can along left and right translations, make operationally, adjacent applicator roll can fit tightly, the distributing order of each applicator roll will adhere to the principle that rigidity roller is alternate with flexible roller, be generally: the first applicator roll 1 [steel rider (or ceramic roller)]-the second applicator roll 2 [rubber roll]-three applicator roll 3 [steel rider (or ceramic roller)]-four applicator roll 4 [rubber roll]-five applicator roll 5 [steel rider (or ceramic roller)], or: the first applicator roll 1 [rubber roll]-the second applicator roll 2 [steel rider (or ceramic roller)]-three applicator roll 3 [rubber roll]-four applicator roll 4 [steel rider (or ceramic roller)]-five applicator roll 5 [rubber roll], all five applicator rolls all adopt hollow to lead to the scheme of circulation fluid, circulation fluid can be water, oil or other media, to ensure that applicator roll hull-skin temperature is stablized, make to ensure that coating is coated with under desirable viscosity state during production, and then ensure the uniformity of coating.Outside the two ends of the 4th applicator roll 4 and the 5th applicator roll 5, be respectively provided with a baffle plate 6, baffle plate 6 and two roller roll surfaces fitted tightly and prevents coating from flowing out from the side; Light curring unit B2 comprises light source 7 and chill roll 8, and wherein light source 7 comprises lampshade and is arranged at many mercury lamps in described lampshade, and many mercury lamps are along the direction vertical arrangement of advancing perpendicular to base material, and the distance between adjacent two described mercury lamps is 3 ~ 30cm.Inert gas is filled with in space in lampshade, the two ends of lampshade are respectively equipped with aluminium foil entrance and aluminium foil outlet, aluminium foil entrance and aluminium foil outlet are positioned in same level, also light transmission glass plate is embedded with in lampshade, the side of this light transmission glass plate is mercury lamp, opposite side is and aluminium foil entrance and aluminium foil export between line.Can also cool with recirculated water in lampshade, with the service life of prolonging lamp tube.And can also air exhauster all be extracted out by the ozone that light source produces, product temperature through overcuring generally all can be higher, therefore light curring unit also comprises chill roll, a diameter is greater than the steel rider of 500mm, there is circulating water pipeline inside, be connected with cooling fluid and carry out cooling process to the aluminium foil through this chill roll, during to ensure rolling, be in room temperature state.Chill roll is also hollow roll body, and there is the pipeline of recirculated water or oil inside, constant to ensure chill roll surface temperature.
Aluminium foil during production after extrusion coated is introduced into drying unit, and drying unit is a choice for use item for the utility model, when coating process needs just to be opened by drying unit through drying and processing, otherwise is in closed condition.The length of drying unit is 3 ~ 8 meters, is made up of some joint baking ovens, often saves baking oven baking oven and is furnished with three road air knives and air inlet/outlet EGR, adopt infrared heating or electrically heated mode.Product introduction light curring unit after drying unit is cured.
Embodiment 1
Present embodiments provide the technique adopting photocuring coating apparatus to produce hydrophilic aluminium foil.First in alkali pond, the plain aluminium foil of 100 μm of * 1000mm specifications is carried out alkali cleaning oven dry, remove surperficial grease.Aluminium foil through alkali cleaning process is installed to above unwinding device A.Coating is placed between the 4th applicator roll 4 and the 5th applicator roll 5, the baffle plate 6 of both sides is clamped and places coating spilling, 50 DEG C are heated to five applicator rolls, the viscosity of coating is reduced and is applicable to coating.By aluminium foil through deflector roll, after between the first applicator roll 1 and the second applicator roll 2, enter drying unit B3 after coating, then enter ultraviolet curing device B2, finally complete rolling at wrap-up C, whole flow process as shown in figure.Drying unit is not activated in the present embodiment; ultraviolet curing device adopts two lamp work (two lamp power is 17KW*2); power is used to be 60% of rated power; cavity inflated with nitrogen protection (oxygen content is below 1%); coating machine speed is 100m/min; first be coated with primary coat, then coated face is coated with.The viscosity of primary coat 50 DEG C time is 800CPS, and coating weight is 0.9g/m
2; Viscosity when face is coated in 50 degree is 500CPS, and coating weight is 0.6g/m
2, the dry and comfortable expression completion of cure in coating solidification rear surface.
Above specific embodiment of the utility model is described.It is to be appreciated that the utility model is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present utility model.
Claims (8)
1. one kind is applicable to the photocuring coating apparatus of hydrophilic aluminium foil coating, it is characterized in that, comprise the aluminium foil unwinding device, several coater units and the aluminium foil wrap-up that set gradually from side to opposite side, described coater unit comprises the multiple roll apparatus for coating, drying unit and the light curring unit that are set gradually to aluminium foil wrap-up by aluminium foil unwinding device, described multiple roll apparatus for coating comprises some applicator rolls, and described light curring unit comprises light source and chill roll.
2. photocuring coating apparatus as claimed in claim 1, it is characterized in that, the quantity of described applicator roll is five, the line of five applicator rolls is L-type, wherein, two applicator rolls vertically arrange, and two applicator rolls are horizontal, two applicator rolls of vertical arrangement all can in the vertical direction translation, and two horizontal applicator rolls all can translation in the horizontal direction.
3. photocuring coating apparatus as claimed in claim 2, it is characterized in that, the two ends of two horizontal described applicator rolls are respectively provided with a baffle plate.
4. photocuring coating apparatus as claimed in claim 1, is characterized in that, described aluminium foil wrap-up and aluminium foil unwinding device all adopt Double Tops to bore or air-expanding shaft drives.
5. photocuring coating apparatus as claimed in claim 1, is characterized in that, described light source comprises lampshade and is arranged at many mercury lamps in described lampshade, is filled with inert gas in the space in described lampshade.
6. photocuring coating apparatus as claimed in claim 5, is characterized in that, described mercury lamp is along the direction vertical arrangement of advancing perpendicular to base material.
7. photocuring coating apparatus as claimed in claim 6, it is characterized in that, the distance between adjacent two described mercury lamps is 3 ~ 30cm.
8. photocuring coating apparatus as claimed in claim 1, it is characterized in that, described applicator roll and chill roll are hollow roll body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520130705.5U CN204638468U (en) | 2015-03-06 | 2015-03-06 | Be applicable to the photocuring coating apparatus of hydrophilic aluminium foil coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520130705.5U CN204638468U (en) | 2015-03-06 | 2015-03-06 | Be applicable to the photocuring coating apparatus of hydrophilic aluminium foil coating |
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| Publication Number | Publication Date |
|---|---|
| CN204638468U true CN204638468U (en) | 2015-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520130705.5U Expired - Fee Related CN204638468U (en) | 2015-03-06 | 2015-03-06 | Be applicable to the photocuring coating apparatus of hydrophilic aluminium foil coating |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105983514A (en) * | 2015-03-06 | 2016-10-05 | 上海维凯光电新材料有限公司 | Photocuring coating device applicable to hydrophilic aluminum foil coating and coating method based on device |
| CN107029947A (en) * | 2017-05-23 | 2017-08-11 | 李春花 | A kind of medical packaging heavy duty detergent aluminium foil apparatus for coating |
| CN108714537A (en) * | 2018-06-20 | 2018-10-30 | 福建省铭兴激光科技有限公司 | A kind of UV photocuring films multipoint mode injecting glue coating waste water technique |
| CN110732453A (en) * | 2019-09-20 | 2020-01-31 | 无锡市天牛智能装备有限公司 | multi-roller double-sided coating unit and coating method |
| CN111693368A (en) * | 2020-06-15 | 2020-09-22 | 苏州高泰电子技术股份有限公司 | Test method for microscopic characterization performance of wafer cutting adhesive tape |
-
2015
- 2015-03-06 CN CN201520130705.5U patent/CN204638468U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105983514A (en) * | 2015-03-06 | 2016-10-05 | 上海维凯光电新材料有限公司 | Photocuring coating device applicable to hydrophilic aluminum foil coating and coating method based on device |
| CN107029947A (en) * | 2017-05-23 | 2017-08-11 | 李春花 | A kind of medical packaging heavy duty detergent aluminium foil apparatus for coating |
| CN108714537A (en) * | 2018-06-20 | 2018-10-30 | 福建省铭兴激光科技有限公司 | A kind of UV photocuring films multipoint mode injecting glue coating waste water technique |
| CN110732453A (en) * | 2019-09-20 | 2020-01-31 | 无锡市天牛智能装备有限公司 | multi-roller double-sided coating unit and coating method |
| CN111693368A (en) * | 2020-06-15 | 2020-09-22 | 苏州高泰电子技术股份有限公司 | Test method for microscopic characterization performance of wafer cutting adhesive tape |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150916 Termination date: 20200306 |
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| CF01 | Termination of patent right due to non-payment of annual fee |