CN102886894B - Method for homogenizing surface of plastic piece by atomization method - Google Patents
Method for homogenizing surface of plastic piece by atomization method Download PDFInfo
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Abstract
The invention discloses a method for homogenizing the surface of a plastic piece by an atomization method. The method is characterized by comprising the following steps of: (1) preparation of plastic pieces including burrs and flying edges; (2) carrying out electrostatic dust removal and cleaning the plastic pieces; (3) adopting the atomization method to carry out surface homogenization on the plastic pieces; and (4) blowing by hot air, wherein the steps for homogenizing the surface of the plastic piece by the atomization method are as follows: adopting a spraying device formed by microporous-type and V-type spraying nozzle groups, adopting a liquid storage groove, a sealing cover and a workpiece transmission equipment to form process equipment, adopting a diaphragm pump as main power, forming uniform and atomized atmosphere in a small space, and carrying out spraying on the plastic pieces in operation. The method disclosed by the invention is applicable to applications of reagents for homogenizing the surface of all the plastic pieces, corrosion required by various thicknesses, even damage and recombination of hard layers on the plastic surfaces, and has the advantages of large-scale production and environmental protection.
Description
Technical field
The present invention relates to a kind of equalization processing method of surface of the work, especially a kind of atomization plastic part surface equalization processing method.
Background technology
Along with working of plastics is in the application of every profession and trade, plastic products are able to extensive use in the industry such as machining, automobile making, but because various working of plastics exists the present situation that substrate surface can be lower, give coating protection, compound, the bad impact of bonding and vacuum plating processing belt, be mainly manifested in that difficulty of processing increases, after processing mechanical performance as degradation under stress increase, adhesive force.What current industry generally adopted is that the modes such as basis polishing, wiping, Ions Bombardment and flame treatment carry out surperficial homogenizing process, to reach the destruction to moulding hard layer, thus realize pretreatment procedure processing, but there is following technology barrier and defect in said method: (1) complex disposal process, manual work large labour intensity consuming time is high, and the waste gas that process produces and fog are unfavorable for that tissue discharges; (2) professional flame treatment and plasma processing require high, and operating cost is high, and production efficiency is lower, is unfavorable for processing operation in enormous quantities, and current this operating type is difficult to large-scale application and popularization; (3) polishing and wiping processing belt carry out the impact of artificial qualitative factor, bring more removing surface work, be more unfavorable for professional production line balance tissue to the processing in later stage.Current domestic machining manufacturing industry is stepping into the transitional period substituting original engineering material with various engineering material, the deep processing of various engineering material is just becoming the dominant direction of machine-building and auto industry processing technology, therefore, the deep processing of various engineering plastics and the application of new material are also in full swing thereupon, just day by day show the urgency of the demand of material surface homogenizing process.
Along with the progress of all kinds of spray technique, especially the use of atomizing disperser, it is day by day ripe in the technology of requisite space that spray-on process can realize even Mass, the progress of peripheral device also makes the control of spray amount and spray direction to be realized fully, bring good reliable optimized integration to spray-on process surface homogenizing treatment process, the atomization surface homogenizing process that is further development of of electrostatic atomizer provides vast potential for future development more simultaneously.
Summary of the invention
The invention provides a kind of environmental protection, atomization plastic part surface equalization processing method that automaticity is high.
For achieving the above object, technical scheme of the present invention is:
A kind of atomization plastic part surface equalization processing method, is characterized in that comprising the following steps:
(1) working of plastics prepares, and comprises burr;
(2) electrostatic precipitation clean working of plastics;
(3) atomization is adopted to carry out surperficial homogenizing process to working of plastics;
(4) hot blast drying.
Described atomization comprises the step that working of plastics carries out surperficial homogenizing process: adopt the sprayer unit that pore type nozzle sets and V-type nozzle sets are formed, technological equipment is formed by reservoir, seal closure, workpiece transfer device, take membrane pump as major impetus, uniform atomizing atmosphere is formed in little space, working of plastics in running is sprayed, realizes carrying out surface treatment to plastics hard layer equably.
When adopting atomization to carry out surperficial homogenizing process to the working of plastics of weak etched the matrix, atomisation pressure is 0.2 ~ 0.4Mpa/cm
2, dispersion spray speed 0.05 ~ 0.10m/s, spray time is 45 ~ 120s.
When adopting atomization to carry out surperficial homogenizing process to the working of plastics of weak etched the matrix, described chemistry altogether molten thing comprises carrier solvent, corrosion leveling solvent, emulsifying agent and fog inhibitor, makes chemical molten thing altogether and comprises the following steps:
(1) carrier solvent is mixed with corrosion leveling solvent, described carrier solvent is water and turpentine, described corrosion leveling solvent is ethyl acetate and n-butanol, wherein, the percentage by weight of water is 40%, the percentage by weight of turpentine is 30%, and the percentage by weight of ethyl acetate is 5%, and the percentage by weight of n-butanol is 25%;
(2) in carrier solvent with the mixed solvent of corrosion leveling solvent, add emulsifying agent and fog inhibitor, described fog inhibitor is neopelex, and addition is 4g/L, and the addition of emulsifying agent is 3g/L.
When adopting the working of plastics of atomization centering etched the matrix to carry out surperficial homogenizing process, atomisation pressure is 0.3 ~ 0.5Mpa/cm
2, dispersion spray speed 0.10 ~ 0.15m/s, spray time is 45 ~ 120s.
When adopting the working of plastics of atomization centering etched the matrix to carry out surperficial homogenizing process, described chemistry altogether molten thing comprises carrier solvent, corrosion leveling solvent, emulsifying agent and fog inhibitor, makes chemical molten thing altogether and comprises the following steps:
(1) carrier solvent is mixed with corrosion leveling solvent, described carrier solvent is water and isopropyl alcohol, described corrosion leveling solvent is ethyl acetate and n-butanol, wherein, the percentage by weight of water is 30%, the percentage by weight of isopropyl alcohol is 35%, and the percentage by weight of ethyl acetate is 10%, and the percentage by weight of n-butanol is 25%;
(2) in carrier solvent with the mixed solvent of corrosion leveling solvent, add emulsifying agent and fog inhibitor, described fog inhibitor is neopelex, and addition is 4g/L, and the addition of emulsifying agent is 8g/L.
When adopting atomization to carry out surperficial homogenizing process to the working of plastics of deep-etching matrix, atomisation pressure is 0.35 ~ 0.6Mpa/cm
2, dispersion spray speed 0.10 ~ 0.15m/s, spray time is 45 ~ 120s.
When adopting atomization to carry out surperficial homogenizing process to the working of plastics of deep-etching matrix, described chemistry altogether molten thing comprises carrier solvent, corrosion leveling solvent, emulsifying agent and fog inhibitor, makes chemical molten thing altogether and comprises the following steps:
(1) carrier solvent is mixed with corrosion leveling solvent, described carrier solvent is water and isopropyl alcohol, described corrosion leveling solvent is ethyl acetate, butyl acetate and cyclohexanone, wherein, the percentage by weight of water is 30%, and the percentage by weight of isopropyl alcohol is 35%, and the percentage by weight of ethyl acetate is 15%, the percentage by weight of butyl acetate is 15%, and cyclohexanone percentage by weight is 5%;
(2) in carrier solvent with the mixed solvent of corrosion leveling solvent, add emulsifying agent and fog inhibitor, described fog inhibitor is neopelex, and addition is 6g/L, and the addition of emulsifying agent is 10g/L.
The present invention has following beneficial effect:
(1) be beneficial to closed processing, be easy to form high-efficient automatic continuous productive process, significantly reduce operation intensity, be beneficial to the tissue discharge of waste gas and fog, eliminate and lower process to the impact of environment, there is large-scale production and environment-friendly advantage;
(2) application of all plastic part surface homogenizing reagent treatment is applicable to, and the corrosion of various depth requirements, the even destruction of frosting hard layer and restructuring, especially when the reagent of surperficial homogenizing process is the material being unsuitable for contact human body, this technique has more real dissemination; Spray-on process surface homogenizing treatment technology, belongs to noncontact class Surface-micromachining process simultaneously, both can solve the homogenizing process of complex part surface, also can solve the homogenizing etching process of the lower material of solvent resistant, have novelty;
(3) technique has the performance being easy to realize, and makes above-mentioned technique can form more complete technique circulation with pre-treatment cleaning showers, Ions Bombardment and flame treatment, meets various levels of process requirements.
Detailed description of the invention
According to the difference of plastics for the decay resistance of organic solvent, plastics can be divided into weak etched the matrix, neutral etched the matrix and deep-etching matrix, wherein, weak etched the matrix comprises PMMA and PVC etc., neutral etched the matrix comprises ABS, PC and PBT etc., and deep-etching matrix comprises POM, PP and nylon material etc.According to the difference of substrate performance, molten thing is also different altogether for the employing technical parameter of this method and chemistry, is described further this method below in conjunction with embodiment:
Embodiment 1
The homogenizing process of atomization surface is carried out to the working of plastics of weak etched the matrix:
The first step: first working of plastics to be processed is prepared, comprise burr;
Second step: electrostatic precipitation also cleans working of plastics;
3rd step: adopt atomization to carry out surperficial homogenizing process to working of plastics: adopt the sprayer unit that pore type nozzle sets and V-type nozzle sets are formed, technological equipment is formed by reservoir, seal closure, workpiece transfer device, take membrane pump as major impetus, chemistry is total to molten thing to be ejected in confined space, and atomisation pressure is 0.3Mpa/cm
2, dispersion spray speed 0.08m/s, make chemistry be total to molten thing and form uniform atomizing atmosphere in little space, spray to the working of plastics in running, spray time is 45s ~ 120s.
Wherein, the making of chemical molten thing altogether comprises the following steps:
(1) carrier solvent is mixed with corrosion leveling solvent, described carrier solvent is water and turpentine, described corrosion leveling solvent is ethyl acetate and n-butanol, wherein, the percentage by weight of water is 40%, the percentage by weight of turpentine is 30%, and the percentage by weight of ethyl acetate is 5%, and the percentage by weight of n-butanol is 25%;
(2) in carrier solvent with the mixed solvent of corrosion leveling solvent, add emulsifying agent and fog inhibitor, described fog inhibitor is neopelex, and addition is 4g/L, and the addition of emulsifying agent is 3g/L;
4th step: use hot blast drying working of plastics, then can move into lower road and carry out the processing such as compound viscose glue, spraying.
The present inventor is 0.2 ~ 0.3Mpa/cm at atomisation pressure
2with 0.3 ~ 0.4Mpa/cm
2, have also been made related experiment in dispersion spray speed is 0.05 ~ 0.08m/s and 0.08 ~ 0.1m/s, spray time is 45s ~ 120s scope, all can realize the plastic part surface homogenizing process of weak etched the matrix.
Embodiment 2
The working of plastics of centering etched the matrix carries out the homogenizing process of atomization surface:
The first step: first working of plastics to be processed is prepared, comprise burr;
Second step: electrostatic precipitation also cleans working of plastics;
3rd step: adopt atomization to carry out surperficial homogenizing process to working of plastics: adopt the sprayer unit that pore type nozzle sets and V-type nozzle sets are formed, technological equipment is formed by reservoir, seal closure, workpiece transfer device, take membrane pump as major impetus, by chemistry molten thing ejection altogether, atomisation pressure is 0.4Mpa/cm
2, dispersion spray speed 0.12m/s, make chemistry be total to molten thing and form uniform atomizing atmosphere in little space, spray to the working of plastics in running, spray time is 45s ~ 120s.
Wherein, the making of chemical molten thing altogether comprises the following steps:
(1) carrier solvent is mixed with corrosion leveling solvent, described carrier solvent is water and isopropyl alcohol, described corrosion leveling solvent is ethyl acetate and n-butanol, wherein, the percentage by weight of water is 30%, the percentage by weight of isopropyl alcohol is 35%, and the percentage by weight of ethyl acetate is 10%, and the percentage by weight of n-butanol is 25%;
(2) in carrier solvent with the mixed solvent of corrosion leveling solvent, add emulsifying agent and fog inhibitor, described fog inhibitor is neopelex, and addition is 4g/L, and the addition of emulsifying agent is 8g/L;
4th step: use hot blast drying working of plastics, then can move into lower road and carry out the processing such as compound viscose glue, spraying.
The present inventor is 0.3 ~ 0.4Mpa/cm at atomisation pressure
2with 0.4 ~ 0.5 Mpa/cm
2, have also been made related experiment in dispersion spray speed is 0.10 ~ 0.12m/s and 0.12 ~ 0.15m/s, spray time is 45s ~ 120s scope, all can realize the plastic part surface homogenizing process of neutral etched the matrix.
Embodiment 3
The homogenizing process of atomization surface is carried out to the working of plastics of deep-etching matrix:
The first step: first working of plastics to be processed is prepared, comprise burr;
Second step: electrostatic precipitation also cleans working of plastics;
3rd step: adopt atomization to carry out surperficial homogenizing process to working of plastics: adopt the sprayer unit that pore type nozzle sets and V-type nozzle sets are formed, technological equipment is formed by reservoir, seal closure, workpiece transfer device, take membrane pump as major impetus, by chemistry molten thing ejection altogether, atomisation pressure is 0.5Mpa/cm
2, dispersion spray speed 0.14m/s, make chemistry be total to molten thing and form uniform atomizing atmosphere in little space, spray to the working of plastics in running, spray time is 45s ~ 120s.
Wherein, the making of chemical molten thing altogether comprises the following steps:
(1) carrier solvent is mixed with corrosion leveling solvent, described carrier solvent is water and isopropyl alcohol, described corrosion leveling solvent is ethyl acetate, butyl acetate and cyclohexanone, wherein, the percentage by weight of water is 30%, and the percentage by weight of isopropyl alcohol is 35%, and the percentage by weight of ethyl acetate is 15%, the percentage by weight of butyl acetate is 15%, and cyclohexanone percentage by weight is 5%;
(2) in carrier solvent with the mixed solvent of corrosion leveling solvent, add emulsifying agent and fog inhibitor, described fog inhibitor is neopelex, and addition is 6g/L, and the addition of emulsifying agent is 10g/L;
4th step: use hot blast drying working of plastics, then can move into lower road and carry out the processing such as compound viscose glue, spraying.
The present inventor is 0.35 ~ 0.5Mpa/cm at atomisation pressure
2with 0.5 ~ 0.6Mpa/cm
2, have also been made related experiment in dispersion spray speed is 0.10 ~ 0.14m/s and 0.14 ~ 0.15m/s, spray time is 45s ~ 120s scope, all can realize the plastic part surface homogenizing process of deep-etching matrix.
Claims (4)
1. an atomization plastic part surface equalization processing method, is characterized in that comprising the following steps:
(1) working of plastics prepares, and comprises burr;
(2) electrostatic precipitation clean working of plastics;
(3) atomization is adopted to carry out surperficial homogenizing process to working of plastics: to adopt the sprayer unit that pore type nozzle sets and V-type nozzle sets are formed, technological equipment is formed by reservoir, seal closure, workpiece transfer device, take membrane pump as major impetus, by chemistry molten thing ejection altogether, make chemistry be total to molten thing and form uniform atomizing atmosphere in little space, working of plastics in running is sprayed, realizes carrying out surface treatment to plastics hard layer equably;
(4) hot blast drying;
Wherein, in described step (3), when adopting atomization to carry out surperficial homogenizing process to the working of plastics of weak etched the matrix, atomisation pressure is 0.2 ~ 0.4Mpa/cm
2, dispersion spray speed 0.05 ~ 0.10m/s, spray time is 45s ~ 120s; When adopting the working of plastics of atomization centering etched the matrix to carry out surperficial homogenizing process, atomisation pressure is 0.3 ~ 0.5Mpa/cm
2, dispersion spray speed 0.10 ~ 0.15m/s, spray time is 45s ~ 120s; When adopting atomization to carry out surperficial homogenizing process to the working of plastics of deep-etching matrix, atomisation pressure is 0.35 ~ 0.6Mpa/cm
2, dispersion spray speed 0.10 ~ 0.15m/s, spray time is 45s ~ 120s.
2. a kind of atomization plastic part surface equalization processing method according to claim 1, is characterized in that:
When adopting atomization to carry out surperficial homogenizing process to the working of plastics of weak etched the matrix, described chemistry altogether molten thing comprises carrier solvent, corrosion leveling solvent, emulsifying agent and fog inhibitor, makes chemical molten thing altogether and comprises the following steps:
(1) carrier solvent is mixed with corrosion leveling solvent, described carrier solvent is water and turpentine, described corrosion leveling solvent is ethyl acetate and n-butanol, wherein, the percentage by weight of water is 40%, the percentage by weight of turpentine is 30%, and the percentage by weight of ethyl acetate is 5%, and the percentage by weight of n-butanol is 25%;
(2) in carrier solvent with the mixed solvent of corrosion leveling solvent, add emulsifying agent and fog inhibitor, described fog inhibitor is neopelex, and addition is 4g/L, and the addition of emulsifying agent is 3g/L.
3. a kind of atomization plastic part surface equalization processing method according to claim 1, is characterized in that:
When adopting the plastic part surface of atomization centering etched the matrix to carry out homogenizing process, described chemistry altogether molten thing comprises carrier solvent, corrosion leveling solvent, emulsifying agent and fog inhibitor, makes chemical molten thing altogether and comprises the following steps:
(1) carrier solvent is mixed with corrosion leveling solvent, described carrier solvent is water and isopropyl alcohol, described corrosion leveling solvent is ethyl acetate and n-butanol, wherein, the percentage by weight of water is 30%, the percentage by weight of isopropyl alcohol is 35%, and the percentage by weight of ethyl acetate is 10%, and the percentage by weight of n-butanol is 25%;
(2) in carrier solvent with the mixed solvent of corrosion leveling solvent, add emulsifying agent and fog inhibitor, described fog inhibitor is neopelex, and addition is 4g/L, and the addition of emulsifying agent is 8g/L.
4. a kind of atomization plastic part surface equalization processing method according to claim 1, is characterized in that:
When adopting atomization to carry out surperficial homogenizing process to the working of plastics of deep-etching matrix, described chemistry altogether molten thing comprises carrier solvent, corrosion leveling solvent, emulsifying agent and fog inhibitor, makes chemical molten thing altogether and comprises the following steps:
(1) carrier solvent is mixed with corrosion leveling solvent, described carrier solvent is water and isopropyl alcohol, described corrosion leveling solvent is ethyl acetate, butyl acetate and cyclohexanone, wherein, the percentage by weight of water is 30%, and the percentage by weight of isopropyl alcohol is 35%, and the percentage by weight of ethyl acetate is 15%, the percentage by weight of butyl acetate is 15%, and cyclohexanone percentage by weight is 5%;
(2) in carrier solvent with the mixed solvent of corrosion leveling solvent, add emulsifying agent and fog inhibitor, described fog inhibitor is neopelex, and addition is 6g/L, and the addition of emulsifying agent is 10g/L.
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| CN104098784B (en) * | 2013-04-12 | 2017-12-26 | 刘洪伟 | The surface treatment method and its processing unit of 3D printing part |
| CN103524770A (en) * | 2013-08-28 | 2014-01-22 | 中国科学院福建物质结构研究所 | 3D (Three Dimensional) printing product surface polishing method and device thereof |
| CN104552685A (en) * | 2015-02-04 | 2015-04-29 | 陈建铭 | Automatic spraying device of demolding agent of shoe mold |
| CN112705862B (en) * | 2019-10-25 | 2023-05-26 | 大族激光科技产业集团股份有限公司 | Blackening treatment method and system for transparent PC (polycarbonate) piece based on ultrafast laser |
| WO2023101682A1 (en) * | 2021-12-03 | 2023-06-08 | Hewlett-Packard Development Company, L.P. | Reducing surface roughness of cured three-dimensional printed objects using a localized heat source |
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| GB2171333A (en) * | 1985-02-23 | 1986-08-28 | Bl Tech Ltd | Method and apparatus for preparing the surface of a component for bonding to another component |
| DE69209189T2 (en) * | 1991-08-12 | 1996-08-08 | Sumitomo Chemical Co | Process for treating the surface of a polypropylene resin article and process for coating this article |
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Address after: 530000 Zhenhua Road 26, the Guangxi Zhuang Autonomous Region, Nanning Patentee after: Nanning Liao Wang lights Limited by Share Ltd Address before: 530012 No. 12, headquarters Road, the Guangxi Zhuang Autonomous Region, Nanning Patentee before: Nanning Liaowang Automobile Light Co.,Ltd. |