CN106824729A - A kind of process for improving inner container of electric cooker coating quality - Google Patents
A kind of process for improving inner container of electric cooker coating quality Download PDFInfo
- Publication number
- CN106824729A CN106824729A CN201710141624.9A CN201710141624A CN106824729A CN 106824729 A CN106824729 A CN 106824729A CN 201710141624 A CN201710141624 A CN 201710141624A CN 106824729 A CN106824729 A CN 106824729A
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- China
- Prior art keywords
- spraying
- spray gun
- inner bag
- spray
- electric cooker
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/22—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/002—Construction of cooking-vessels; Methods or processes of manufacturing specially adapted for cooking-vessels
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Food Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The present invention relates to the technical field of small household appliances manufacture, more particularly, to a kind of process for improving inner container of electric cooker coating quality.A kind of process for improving inner container of electric cooker coating quality, it is characterised in that comprise the following steps：The position of the distance of the spray gun and the inner bag sprayed surface that are S1. set according to orthogonal design table and angular adjustment spray gun that they are formed each other；S2. start inner bag whirligig, regulation turn knob control inner bag rotating speed, and its rotational velocity is measured using digital revmeter；S3. air compressor is started, making spray gun have air pressure to spray air and relevant device has gas pressure to drive；S4. the valve of paint pump is opened, makes coating that spray gun is transported to from paint can under the gas pressure of air compressor；S5. by adjusting the flow valve of spray gun, the flow for being needed；S6. manual spray knob is opened, outer surface of liner is sprayed, spraying is closed, inner bag whirler is then shut off；S7. inner bag is removed and observes its quality, record its spraying effect.
Description
Technical field
The present invention relates to the technical field of small household appliances manufacture, inner container of electric cooker spraying matter is improved more particularly, to one kind
The process of amount.
Background technology
The inner surface of inner container of electric cooker has non-sticking lining, typically using the Paint Falling of the non-sticking lining, weares and teares as electric meal
The mark of pot inner bag failure, therefore, the coating quality of non-sticking lining determines the life-span of inner bag.Inner container of electric cooker is conventional not to be glued
Spraying method is air spray finishing, and in actually spraying, some defects usually occurs in aerial spraying, for example, when the spraying of inner bag
Just occur that sagging, orange peel, shrinkage cavity, paint film thickness and glossiness be not first-class when effect is bad on paint film, spraying parameter value
It is the reason for these defects occur to choose improper.
Domestic inner container of electric cooker spraying at present is mainly using hand spray or the dress using automatic spray gun streamline
Master is set to, this covering device can be transmitted workpiece and fixed point is timed to workpiece in specific station and sprayed using carrier chain, spray
The duration for applying station spraying is set by control system, and the speed of conveyer belt can be adjusted, but stills need manual adjustment spray painting
Technological parameter.The spraying coating process used on current manufacturing lines：There are 4 stations, first station spraying in spraying room
Curved surface on the inner bag face of cylinder, second station spraying inner bag face of cylinder, the 3rd station spraying inner bag face of cylinder is handed over bottom surface
The curved surface for connecing, the 4th station spraying inner bag bottom surface.Spraying workman what is desired is that first regulate spray gun and sprayed surface away from
From four technological parameters such as, spray gun and workpiece surface angulation, spraying flow, the main motion speed of sprayed surface, then
By trying to spray, observe the quality of inner bag coating to determine whether technological parameter has been adjusted.Band saddle carrier chain is by electric cooker
Courage is transported to when on station, and electrical control cubicles can control the automatic spray gun on station to start to spray and control spray time about 1 second.
The weak point of this traditional production model be it rely on be paint workman according to oneself conventional spraying
Experience adjustments, do not form the normative policy paper or operating instruction of related work, have unfavorable to the cost control of enterprise
Influence.The preparation smoothly before production wastes the working time every time, inner bag and the waste nothing of coating that examination spray is caused
Doubt the cost that increased enterprise.In nowadays actual paint application, if spray painting workman's opposite producing line on spraying operation action
Main points, the selection of the technological parameter of spraying are held and are forbidden, then cannot ensure the thickness and finish of surface coating, Yi Jihui
There are the quality problems such as various film defects, the quality of coating quality not only directly influences the surface state of object, protection
Performance etc., but also unavoidable waste of material and economic loss may be brought.Once experienced workman leaves office, then lean on
Unfamiliar new hand regulation rifle away from, angle, flow, move 4 factors such as speed, enterprise must spend more production costs.
The content of the invention
The present invention is to overcome at least one defect described in above-mentioned prior art, there is provided one kind improves inner container of electric cooker spraying
The process of quality, preferably goes out the technological parameter being adapted to present situation level, it is also possible to profit by the research method of science
Spraying technology is improved with the technique combination automatic spraying equipment.The technological parameter is mainly number is obtained by the way of orthogonal experiment
According to what is obtained with reference to variance analysis mode.
In order to solve the above technical problems, the technical solution adopted by the present invention is：The present invention is directed to and is not glued in inner container of electric cooker
In the selection of spraying parameter, the country relies primarily on the experience adjustments of spray painting workman, lacks correlative study in theory at present,
Also without basis for selecting, a kind of spraying parameter of suitable inner container of electric cooker spray-painting production line is proposed.
There is the present invention technological parameter to obtain that flow is simple, product coating quality is good, qualification rate is high, low production cost, suitable
The advantages of together in large-scale production.The present invention is suitable for being used in vast middle-size and small-size electric cooker manufacturing enterprise.
Spraying equipment used by the present invention mainly includes the inner bag carrier chain of band support tool, spraying protection dress
Put, inner bag whirligig, paint finishing, wherein paint finishing include paint pump, air compressor, 4 rock field WA-101 types from
Dynamic spray gun, pneumatic type fuel feeding bucket, are now placed on Zhanjiang Household Electrical Appliance Co., Ltd.
Rock field WA-101 types automatic spray gun is applied to the spraying of smallclothes, and its parameters is：Pressure sending type coating supply mode；
Nozzle diameter 0.8mm；Spray distance 200mm；Spraying air pressure 0.29 Mpa；The Lmin-1 of air usage amount 270；Coating
The mLmin-1 of spray volume 150；Spraying swath 190mm；It is applicable air cap E2P types；Compressor 1.5kW used；Weight 460g.
Using the grey polyether sulfone fluorine non-viscous paint used on production line.
Measurement apparatus have：Protractor, gage, air gauge Y-50, digital revmeter GM8905, stopwatch XL-009.
Air compressor is connected to oil water separator, and oil water separator is connected to pressure gauge and pressure controller, pressure gauge
And pressure controller is connected to blowpipe, blowpipe branch is connected in paint can and spray gun, coating
Tank is connected also by paint delivery tube with spray gun, and conveying painting is expected in spray gun.Each equipment operation principle is as follows：Air compressor leads to
Overcompression air is that spray gun and paint can conveying coating provide operating pressure and power；Oil water separator is by separating compressed air
The impurity such as the moisture and oil of middle cohesion, make compressed air obtain preliminary purification；Blowpipe plays conveying air pressure
The effect of power；Paint can provides the coating used by spraying, and spray gun can rapidly discharge power ejection using liquid or compressed air
Coating.
Specific technical scheme of the invention：
By investigating, it is determined that the major parameter for influenceing the coating quality is the size of air pressure when spraying（Abbreviation air pressure）, spray
Spray gun sprays coating uninterrupted during painting（Abbreviation flow）, spraying when spray gun and spraying the distance between workpiece surface（Abbreviation rifle
Away from）, spray gun spraying when and the angle that is formed of Workpiece painting surface（Abbreviation angle）, spraying workpiece rotational velocity（Whirler
Rotating speed abbreviation rotating speed）.In brief, the quality of coating quality is mainly by distance（Rifle away from）, air pressure, flow, angle, spray gun
Translational speed totally 5 joint effects of factor.
At least 4 levels of each factor, if carrying out experiment one by one, then need to do 45 powers totally 1024 groups of experiments.
1024 groups of experiments can be devoted a tremendous amount of time and resource, because each factor level combines numerous, it is difficult to all may travel through, this
Spraying parameter acquisition modes are, using the orthogonal of the multifactor optimization problem of efficient process, to pick out representative
Experimental factor combination tested, and then understand the situation of comprehensive test.This method for obtaining the technological parameter carried out
It is the orthogonal experiment of the level of 5 factor 4.
Angle is measured by protractor, and distance is measured by gage, and air pressure is read by air gauge, and inner bag rotating speed is read by rotational speed meters
Take, flow directly reads on automatic spray gun, spraying duration is read with stopwatch.
Every time experiment the step of be：
The distance of the spray gun and the inner bag sprayed surface that are S1. set according to orthogonal design table and the angle that they are formed each other
Adjust the position of spray gun；
S2. start inner bag whirligig, regulation turn knob control inner bag rotating speed, and its rotation is measured using digital revmeter
Speed；
S3. air compressor is started, making spray gun have air pressure to spray air and relevant device has gas pressure to drive；
S4. the valve of paint pump is opened, makes coating that spray gun is transported to from paint can under the gas pressure of air compressor；
S5. by adjusting the flow valve of spray gun, the flow for being needed；
S6. manual spray knob is opened, outer surface of liner is sprayed, spraying is closed, inner bag whirler is then shut off；
S7. inner bag is removed and observes its quality, record its spraying effect.
In described step S6, spraying outer surface of liner closes spraying after general 1 second.
Aforesaid operations are repeated, Tabulator Setting parameter request, the data preparation to obtaining, Ran Houjin are completed by orthogonal array
Row analysis.Here the method that take variance analysis, finds out the conspicuousness of its influence factor, can obtain drawing a conclusion：With
The Mpa of air pressure 0.46, flow 1.5 are enclosed, the rps of rotating speed 1.7, the cm of distance 25,45 ° of angle and the Mpa of air pressure 0.46, flow 2 are enclosed, turned
1.8 rps of speed, the cm of distance 20,60 ° of angle spray parameters it is preferable.
Compared with prior art, beneficial effect is：The present invention 1）There is science reliably to instruct spraying coating process, for without warp
The new hand for testing quickly can skillfully grasp spraying technology under the guidance of the technological parameter, and him can be also improved for experienced workman
Spraying skill；2）The coating quality of product is greatly improved, and percent defective must be reduced significantly；3）Range of application is more
Extensively, can be used not only for similar spray-painting production line instructs work, and can also apply to applied robot to be sprayed is automatic
In metaplasia producing line；4）The utilization rate of operating efficiency and material can be improved using the technique, the cost of enterprise is reduced.
Brief description of the drawings
Fig. 1 is the schematic diagram of the embodiment of the present invention 1.
Fig. 2 is the schematic diagram of the embodiment of the present invention 2.
Specific embodiment
Accompanying drawing being for illustration only property explanation, it is impossible to be interpreted as the limitation to this patent；It is attached in order to more preferably illustrate the present embodiment
Scheme some parts to have omission, zoom in or out, do not represent the size of actual product；To those skilled in the art,
Some known features and its explanation may be omitted and will be understood by accompanying drawing.Being for illustration only property of position relationship described in accompanying drawing
Explanation, it is impossible to be interpreted as the limitation to this patent.
Embodiment 1
The spraying parameter can be applied to set up the spray-painting production line for having automatic spray gun to fixed point station, and equipment connection mode is such as
Shown in Fig. 1, implementation step includes：
1. according to the setting of spraying parameter, the distance of regulation spray gun and inner bag sprayed surface to 25 cm and they are mutual
The angle for being formed is 60 °；
2. start inner bag whirligig, its rotational velocity, regulation turn knob control inner bag rotating speed are measured using digital revmeter
It is 1.8 rps so that the rotating speed that rotating speed sets with spraying parameter is consistent；
3. air compressor is started, making spray gun have air pressure to spray air and relevant device has gas pressure to drive；
4. the valve of paint pump is opened, makes coating that spray gun is transported to from paint can under the gas pressure of air compressor；
5. by adjusting the flow valve of spray gun, make spraying flow be 1.5 circles, obtain the flow of spraying parameter needs；
6. regulation air pressure is 0.46MPa, obtains the air pressure of spraying parameter needs；
Manual spray knob is opened, spraying outer surface of liner is closed spraying, is then shut off inner bag whirler after general 1 second；
The effect of observation product spraying, contrast finds that the technological parameter meets production requirement.
Embodiment 2
The spraying parameter can be applied to the automatic spraying production line sprayed using robot, and equipment connection mode is such as
Shown in Fig. 2, implementation step includes：
According to the setting of spraying parameter, it is 25cm away from spraying workpiece surface distance to set spray gun in robot, with the work
Skill parameter is consistent；
According to the setting of spraying parameter, it is 60 ° to set spray gun and the angle of spraying workpiece surface in robot, with the work
Skill parameter is consistent；
According to the setting of spraying parameter, the opening and closing degree of gun traffic valve in robot is set, spraying flow is 1.5 circles,
Obtain the flow of spraying parameter needs；
According to the setting of spraying parameter, operating air pressure when setting Control During Paint Spraying by Robot is 0.46 MPa, obtains spraying work
The air pressure that skill parameter needs；
Start inner bag whirligig, regulation whirler rotary speed to 1.8 rps controls inner bag rotating speed until rotating speed and spraying
The rotating speed of processing parameter setting is consistent；
Controlling switch is opened, allows robot to be started working with whirler；
The effect of observation product spraying, contrast finds that the technological parameter meets production requirement.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not right
The restriction of embodiments of the present invention.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.There is no need and unable to be exhaustive to all of implementation method.It is all this
Any modification, equivalent and improvement made within the spirit and principle of invention etc., should be included in the claims in the present invention
Protection domain within.
Claims (3)
1. it is a kind of improve inner container of electric cooker coating quality process, it is characterised in that comprise the following steps：
The distance of the spray gun and the inner bag sprayed surface that are S1. set according to orthogonal design table and the angle that they are formed each other
Adjust the position of spray gun；
S2. start inner bag whirligig, regulation turn knob control inner bag rotating speed, and its rotation is measured using digital revmeter
Speed；
S3. air compressor is started, making spray gun have air pressure to spray air and relevant device has gas pressure to drive；
S4. the valve of paint pump is opened, makes coating that spray gun is transported to from paint can under the gas pressure of air compressor；
S5. by adjusting the flow valve of spray gun, the flow for being needed；
S6. manual spray knob is opened, outer surface of liner is sprayed, spraying is closed, inner bag whirler is then shut off；
S7. inner bag is removed and observes its quality, record its spraying effect.
2. it is according to claim 1 it is a kind of improve inner container of electric cooker coating quality process, it is characterised in that：It is described
The step of S6 in, spraying outer surface of liner spraying is closed after general 1 second.
3. it is according to claim 1 it is a kind of improve inner container of electric cooker coating quality process, it is characterised in that：It is described
The step of S1-S7 after, repeat aforesaid operations, complete Tabulator Setting parameter request by orthogonal array, the data to obtaining are whole
Reason, is then analyzed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710141624.9A CN106824729A (en) | 2017-03-10 | 2017-03-10 | A kind of process for improving inner container of electric cooker coating quality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710141624.9A CN106824729A (en) | 2017-03-10 | 2017-03-10 | A kind of process for improving inner container of electric cooker coating quality |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106824729A true CN106824729A (en) | 2017-06-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710141624.9A Pending CN106824729A (en) | 2017-03-10 | 2017-03-10 | A kind of process for improving inner container of electric cooker coating quality |
Country Status (1)
| Country | Link |
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| CN (1) | CN106824729A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111774263A (en) * | 2020-07-20 | 2020-10-16 | 广东领先展示股份有限公司 | Surface treatment method of showcase |
| CN112387469A (en) * | 2020-11-09 | 2021-02-23 | 胡艳梅 | City underground piping spraying corrosion prevention device |
-
2017
- 2017-03-10 CN CN201710141624.9A patent/CN106824729A/en active Pending
Non-Patent Citations (2)
| Title |
|---|
| 姜宏: ""正交实验在改善手机涂装色差上的应用研究"", 《万方数据知识服务平台》 * |
| 谢华: ""喷涂氟不粘涂料应用于电饭煲内胆是大势所趋"", 《现代家电》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111774263A (en) * | 2020-07-20 | 2020-10-16 | 广东领先展示股份有限公司 | Surface treatment method of showcase |
| CN112387469A (en) * | 2020-11-09 | 2021-02-23 | 胡艳梅 | City underground piping spraying corrosion prevention device |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170613 |
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| RJ01 | Rejection of invention patent application after publication |