CN109926295A - A kind of workmanship of spraying plastics of high adhesion force coating - Google Patents
A kind of workmanship of spraying plastics of high adhesion force coating Download PDFInfo
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- CN109926295A CN109926295A CN201910265738.3A CN201910265738A CN109926295A CN 109926295 A CN109926295 A CN 109926295A CN 201910265738 A CN201910265738 A CN 201910265738A CN 109926295 A CN109926295 A CN 109926295A
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Abstract
The invention discloses a kind of workmanship of spraying plastics of high adhesion force coating, including the following steps: pendant；Pre-treatment: the workpiece that will have been hung first carries out pre- degreasing, then carries out degreasing, then carries out first wash, second wash is carried out after first wash, then carries out table reconciliation vitrification, carries out third time washing and the 4th washing again later, finally carries out pure water again and wash；Dewatered drying；Molding powder spraying；Solidification；It is cooling；It examines.The invention discloses the liquid medicine formulas of workmanship of spraying plastics pre-treatment, and four washing steps are provided in pretreatment procedure, and the product after the preceding reaction of washing is rinsed well with residual medicament.This technique workpiece will first dry after pre-treatment, be re-fed into spraying area, so that workpiece surface forms one layer of fine and close vitrification film, and quality is fine and smooth uniformly, no grinning effect, and also the same exquisiteness of spraying effect is uniformly.
Description
Technical field
The invention belongs to workmanship of spraying plastics field, in particular to a kind of workmanship of spraying plastics of high adhesion force coating.
Background technique
Plastic-spraying is a kind of surface treatment method by plastispray on part.Plastic-spraying namely we often say it is quiet
Electro-powder spray-coating, treatment process have used at a kind of more universal metal surface in the world since being the 1980s
The decoration technique of reason.The technology with common lacquered surface processing compared with, advantage be embodied in technique it is advanced, it is energy-efficient, safety can
Lean on, is beautiful in colour etc..Therefore, light industry, household finishing field are usually applied to.
The working principle of plastic-spraying is to charge plastic powders by high voltage electrostatic equipment, under the action of electric field, will apply
Material sprays to the surface of workpiece, and powder can be adsorbed almost uniformly the coating that powdery is formed in workpiece surface；And powdery coating passes through
Levelling solidifies after high-temperature baking, and plastic grain can be melted into the different final protective coating of one layer of fine and close effect；Firmly adhere to
In workpiece surface.
Present, the main problems are as follows:
1, the pretreatment procedure of common workmanship of spraying plastics is not perfect on the market, and liquid medicine formula is not apparent, so that subsequent spraying is reached
The effect arrived is bad, the easy bulge of coating, unevenly.
2, the workpiece after pre-treatment is generally sent directly into spraying area by common spraying process on the market, so that
The effect of table reconciliation vitrification is poor, and the vitrification film of formation is coarse and uneven, it is also possible to grinning effect is generated, thus to subsequent work
The spraying effect of part also has an impact.
Summary of the invention
Goal of the invention: in order to overcome the above deficiency, the object of the present invention is to provide a kind of plastic-spraying works of high adhesion force coating
Skill, it discloses the liquid medicine formulas of workmanship of spraying plastics pre-treatment, and four washing steps are provided in pretreatment procedure, so that water
Product and residual medicament before washing after reaction can be rinsed well.The vitrification film generated after vitrification provides protection to workpiece, one
Determine to prevent workpiece to be corroded in degree；For preceding bottoming of painting, the adhesive force and anti-corrosion capability of paint film layer are improved；It is cold in workpiece
Play antifriction lubrication in processing technology.This technique workpiece will first dry after pre-treatment, be re-fed into spraying area, so that
Workpiece surface forms one layer of fine and close vitrification film, and quality is fine and smooth uniformly, no grinning effect, and also the same exquisiteness of spraying effect is uniformly.
This technique also sets up curing process and the powdery paints of workpiece surface is heated to defined temperature and keeps the temperature the corresponding time, is allowed to
Fusing, levelling, solidification, to obtain the workpiece surface effect that we want.
Technical solution: to achieve the goals above, the present invention provides a kind of workmanship of spraying plastics of high adhesion force coating, including
Following steps:
1. pendant: first checking whether hanging tool structure is good, whether good with the electric conductivity of workpiece contact portion position, replacement is damaged in time
Bad and poor contact hanger；Check workpiece whether there is or not damage, scratch and corrosion, qualified workpiece is entered into piece uploading region；It is cleared up with rag
Bottom of cabinet bulk welding slag, dirt；Workpiece need to be done into protection stud or position stud protective case or adhesive tape protection outer cabinet ground connection
Stud first fills gasket, refills protective case；Correct hanger is selected to plastic-spraying workpiece according to different；Hanger is suspended on carrier chain
Hook on, confirmation suspension is good；Workpiece should be correctly carried when piece uploading, is taken care, it is ensured that workpiece suspension position is correct and hangs
It is firmly linked with and leans on, it is steady to guarantee that carrier chain operates normally；It cannot be overlapped between pendant, two suspension centres distance is not less than 300mm, workpiece spacing
From not less than 50mm.
2. pre-treatment: the workpiece that will have been hung first carries out pre- degreasing, then carries out degreasing, then carries out first wash,
Second wash is carried out after first wash, then carries out table reconciliation vitrification, carries out third time washing and the 4th washing again later,
Finally pure water is carried out again to wash；
3. dewatered drying: the workpiece Jing Guo pre-treatment being put into baking oven, the temperature setting of baking oven is 100 DEG C ~ 130 DEG C, drying
12 ~ 16min of Shi Changwei.
4. molding powder sprays: each powder supply route is checked and dredged before workpiece and spray gun is (certain when cleaning spray gun it is noted that spray
Whether rifle power supply line contacts well with nozzle, and whether powder supply route is dredged with nozzle), clean out powder spraying chamber and powder barrel；To
Specified trade mark powdery paints power turn-on switch is added in powder barrel, opens powder spraying chamber blower, connects compressed air；It opens quiet
Electric generator switch checks whether each section instrumentation is normal, and voltage, compressed air pressure is transferred to working index range
It is interior, then open spray gun and carry out examination spray；Holding spray gun makes muzzle face powder spraying chamber carry out examination spray, adjusts spray gun according to workpiece feature
Powder outlet quantity, to guarantee coating quality；When operation, spray gun face workpiece keeps spray gun to spray-coating surface distance 150-200mm, is spraying
Apply during follow spray gun horizontally or vertically linear uniform motion principle carry out operation；Visual inspection spraying situation, makes workpiece
Surface is completely covered by powder；Structure is complicated workpiece should repeat spraying 1-2 time, guarantee appearance of coat matter at concave surface angle position
Amount；
5. solidifying: it will be put into solidification case by the workpiece of molding powder spraying, the temperature setting of solidification case is 180 DEG C ~ 200 DEG C, Gu
A length of 15 ~ 20min when change；
6. cooling down: treated that workpiece takes out from solidification case by cured, stands 1 ~ 2h, makes its cooled to room temperature；
7. examining: examining the film thickness and its reliability of workpiece after cooling respectively, workpiece is packaged into according to packaging drawing after qualification
Otherwise library is considered as unqualified part, return and carry out secondary spraying.
The primary efficacy of heretofore described pre-treatment is the greasy dirt, dust, rusty stain for removing workpiece surface, and in workpiece
One layer of Surface Creation " vitrification layer " anticorrosive and that spray-on coating adhesive force can be increased.Select electrostatic spraying can be by powder
Coating equably sprays on the surface of workpiece.It workpiece will first be dried after pre-treatment, and be re-fed into spraying area, so that work
Part surface forms one layer of fine and close vitrification film, and quality is fine and smooth uniformly, no grinning effect, and also the same exquisiteness of spraying effect is uniformly.Gu
The purpose of change be the powdery paints of workpiece surface is heated to as defined in temperature and keep the temperature the corresponding time, be allowed to melt, levelling,
Solidification, to obtain the workpiece surface effect that we want.The setting of inspection enables the workpiece into packaging process to reach state
Family's standard, better quality.
The preparation method of liquid medicine in heretofore described pre- degreasing is by the Parcocleaner1523R degreasing of 60kg
Agent, the Parcocleaner1523S degreasing agent of 6kg and water are mixed into 3.5 cubic metres of mixing water, and mixing water is heated to work
Spray system is opened after temperature, the liquid that spray system sprays at this time is liquid medicine used in pre- degreasing, and the liquid medicine more changes gear
Putting the period is 8 weeks.
Heretofore described pre- degreasing is primarily to remove the oil in appearance Preventive resin restoration face in car body metal plate
It is dirty.
The preparation method of liquid medicine in heretofore described degreasing is by the Parcocleaner1523R degreasing of 80kg
Agent, the Parcocleaner1523S degreasing agent of 7kg and water are mixed into 3.5 cubic metres of mixing water, and mixing water is heated to work
Spray system is opened after temperature, the liquid that spray system sprays at this time is liquid medicine used in degreasing；The replacement of the liquid medicine is discharged
Period is 8 weeks.
The purpose of heretofore described degreasing is to improve grease and the foul general of derusting rusty scale or scale surface
Dissolution of the deruster to workpiece surface rusty scale or oxide skin, release effect are hindered or reduced, derusting speed is slowed down.In plastic-spraying
In technique, if plastic-spraying material has stain grease, this abrasive material cannot be used again, otherwise, will bring secondary pollution to surface.Therefore,
Most of technical specifications require before the cleaning of jet grinding material, eliminate grease and similar substance.
Rinsing agent in the first heretofore described washing is tap water of the pH value in 6-8, and washing pressure is 0.4Pa, water
Washing the time is 30 ~ 120s；The replacement discharge period of the rinsing agent is 1 week.
The first heretofore described washing is by the product and residual medicament after degreasing pre- on workpiece and degreasing reaction
It rinses well.
Rinsing agent in the second heretofore described washing is tap water of the pH value in 6-8, and washing pressure is 0.4Pa, water
Washing the time is 30 ~ 120s；The replacement discharge period of the rinsing agent is 1 week.
The second heretofore described washing is to rinse the reactant that do not rinse well after the first washing and residual medicament
Completely.
During heretofore described table tune the preparation method of liquid medicine be first by 1 kilogram of table adjust with deionized water with
It is mixed, 3/4 water is added in table tune slot, opens spray system, then mixture is slowly added in slot, adds water to operating fluid level；
A length of 1 ~ the 2min of table timing；The groove body volume of the table tune slot is 2 cubic metres；The replacement discharge of liquid medicine in the table tune slot
Period is 9 ~ 11h.
Heretofore described table tune is prepared for the vitrification reaction of next step, is to overcome workpiece to be processed strong first
Sour highly basic treated roughening effect.In general, strong alkali solution usually has the effect for keeping vitrification film crystal thicker.Gold
After metal work-pieces use highly basic oil removing, since the washing of some alkali is poor, such as sodium hydroxide, sodium metasilicate, often make metal watch facial
Divide activity nucleus to cover upper one layer of hydroxide or sull, leads to the nucleus quantity of metal surface and the free energy of reaction
It reduces, so that vitrification film is coarse, porous, forms a film also incomplete.So metal works are after strong basicity degreaser oil removing,
It should carry out surface adjustment.Secondly, table tune accelerates the speed of vitrification reaction, the temperature of vitrification processing is reduced, and due to table
Face adjusts the active site for increasing metal surface, provides, the nucleus of vitrification film growth, so that metal surface connects with vitrification liquid
When touching, film is immediately begun to, has greatly accelerated the initial speed of vitrification film, and then shortens the vitrification time.Finally, surface
Adjustment refined vitrification film crystal grain, improve vitrification film outward appearance, metal works after surface adjusts, the active site of metal surface with
Vitrified agent contact is formed by that the nuclei of crystallization are superfine, has both prevented the formation of big nucleus, also prevents forming the sour barba hispanica film of pottery, give birth to
At vitrification membrane crystallization it is fine and closely woven, improve vitrification film outward appearance, enhance the binding strength of vitrification film and metal surface, improve
The corrosion resistance of vitrification film.
The preparation method of liquid medicine is the water that 3/4 is added in vitrification slot during heretofore described vitrification, is heated to
[accelerator 131] 1.5L, [additive 311] 35kg, [additive is added after 40 ~ 45 DEG C in the following order
315] 10kg, [grano starter 65] 45kg and [bonderite910mu] 130kg；A length of 2 ~ 4min when the vitrification；
The groove body volume of the vitrification slot is 4 cubic metres；The replacement discharge period of liquid medicine is 9 ~ 11h in the table tune slot.
The purpose of heretofore described vitrification is mainly: providing protection to substrate work-piece, prevents work to a certain extent
Part is corroded；For preceding bottoming of painting, the adhesive force and anti-corrosion capability of paint film layer are improved；It rises and subtracts in workpiece cold machining process
Rub lubricating action.
Rinsing agent in heretofore described third washing is tap water of the pH value in 6-8, and washing pressure is 0.4Pa, water
Washing the time is 30 ~ 120s；The replacement discharge period of the rinsing agent is 1 week.
The effect of heretofore described third washing is by the product and residual on workpiece after table reconciles vitrification
Medicament is rinsed well.
Rinsing agent in the 4th heretofore described washing is tap water of the pH value in 6-8, and washing pressure is 0.4Pa, water
Washing the time is 30 ~ 120s；The replacement discharge period of the rinsing agent is 1 week.
The 4th heretofore described washing is that the reactant that do not rinse well after washing third and residual medicament rinse
Completely.
Reliability test in heretofore described checkout procedure mainly includes impact test, the experiment of hundred lattice, smog examination
Sample and hardness tester test sample.
Heretofore described checkout procedure is comprehensive and careful, and the workpiece for entering packaging process after examining is enabled to reach state
Family's standard, better quality.
Above-mentioned technical proposal can be seen that the invention has the following beneficial effects:
1, the liquid medicine formula of workmanship of spraying plastics pre-treatment is disclosed, and is provided with four washing steps in pretreatment procedure, so that
Product and residual medicament before washing after reaction can be rinsed well.The phosphating coat generated after phosphatization provides protection to workpiece,
Workpiece is prevented to be corroded to a certain extent；For preceding bottoming of painting, the adhesive force and anti-corrosion capability of paint film layer are improved；In workpiece
Play antifriction lubrication in cold machining process.
2, it workpiece will first be dried after pre-treatment, and be re-fed into spraying area, so that workpiece surface forms one layer of densification
Vitrification film, quality is fine and smooth uniformly, no grinning effect, spraying effect it is also the same it is fine and smooth uniformly.Curing process is set by workpiece table
The powdery paints in face temperature and keeps the temperature the corresponding time as defined in being heated to, and is allowed to melt, levelling, solidification, to obtain us
Desired workpiece surface effect.
Specific embodiment
Combined with specific embodiments below, the present invention is furture elucidated.
Embodiment 1
A kind of workmanship of spraying plastics of high adhesion force coating, including the following steps:
1. pendant: first checking whether hanging tool structure is good, whether good with the electric conductivity of workpiece contact portion position, replacement is damaged in time
Bad and poor contact hanger；Check workpiece whether there is or not damage, scratch and corrosion, qualified workpiece is entered into piece uploading region；It is cleared up with rag
Bottom of cabinet bulk welding slag, dirt；Workpiece need to be done into protection stud or position stud protective case or adhesive tape protection outer cabinet ground connection
Stud first fills gasket, refills protective case；Correct hanger is selected to plastic-spraying workpiece according to different；Hanger is suspended on carrier chain
Hook on, confirmation suspension is good；Workpiece should be correctly carried when piece uploading, is taken care, it is ensured that workpiece suspension position is correct and hangs
It is firmly linked with and leans on, it is steady to guarantee that carrier chain operates normally；It cannot be overlapped between pendant, two suspension centres distance is 300mm, and distance is between workpiece
50mm。
2. pre-treatment: the workpiece that will have been hung first carries out pre- degreasing, then carries out degreasing, then carries out first wash,
Second wash is carried out after first wash, then carries out table reconciliation phosphatization, carries out third time washing and the 4th washing again later,
Finally pure water is carried out again to wash；
3. dewatered drying: the workpiece Jing Guo pre-treatment being put into baking oven, the temperature setting of baking oven is 100 DEG C -130, when drying
A length of 12min.
4. molding powder sprays: each powder supply route is checked and dredged before workpiece and spray gun is (certain when cleaning spray gun it is noted that spray
Whether rifle power supply line contacts well with nozzle, and whether powder supply route is dredged with nozzle), clean out powder spraying chamber and powder barrel；To
Specified trade mark powdery paints power turn-on switch is added in powder barrel, opens powder spraying chamber blower, connects compressed air；It opens quiet
Electric generator switch checks whether each section instrumentation is normal, and voltage, compressed air pressure is transferred to working index range
It is interior, then open spray gun and carry out examination spray；Holding spray gun makes muzzle face powder spraying chamber carry out examination spray, adjusts spray gun according to workpiece feature
Powder outlet quantity, to guarantee coating quality；When operation, spray gun face workpiece keeps spray gun to spray-coating surface distance 150mm, spray coated
Followed in journey spray gun horizontally or vertically linear uniform motion principle carry out operation；Visual inspection spraying situation, makes workpiece surface
It is completely covered by powder；Structure is complicated workpiece should repeat spraying 1 time at concave surface angle position, guarantee appearance of coat quality；
5. solidifying: will be put into solidification case by the workpiece of molding powder spraying, the temperature setting of solidification case is 180-200 DEG C, solidification
Shi Changwei 15min；
6. cooling down: treated that workpiece takes out from solidification case by cured, stands 1h, makes its cooled to room temperature；
7. examining: examining the film thickness and its reliability of workpiece after cooling respectively, workpiece is packaged into according to packaging drawing after qualification
Otherwise library is considered as unqualified part, return and carry out secondary spraying.
In addition, the preparation method of the liquid medicine in the pre- degreasing be by the Parcocleaner1523R degreasing agent of 60kg,
The Parcocleaner1523S degreasing agent and water of 6kg are mixed into 3.5 cubic metres of mixing water, and mixing water is heated to work temperature
Spray system is opened after degree, the liquid that spray system sprays at this time is liquid medicine used in pre- degreasing, the replacement discharge of the liquid medicine
Period is 8 weeks.
Separately have, the preparation method of the liquid medicine in the degreasing be by the Parcocleaner1523R degreasing agent of 80kg,
The Parcocleaner1523S degreasing agent and water of 7kg are mixed into 3.5 cubic metres of mixing water, and mixing water is heated to work temperature
Spray system is opened after degree, the liquid that spray system sprays at this time is liquid medicine used in degreasing；Week is discharged in the replacement of the liquid medicine
Phase is 8 weeks.
Further more, the rinsing agent in described first washing is tap water of the pH value in 6-8, washing pressure is 0.4Pa, when washing
Between be 30s；The replacement discharge period of the rinsing agent is 1 week.
Further, the rinsing agent in second washing is tap water of the pH value in 6-8, and washing pressure is 0.4Pa, water
Washing the time is 30s；The replacement discharge period of the rinsing agent is 1 week.
In addition to this, during the table tune preparation method of liquid medicine be first by 1 kilogram of table adjust with deionized water and mixed,
3/4 water is added in table tune slot, opens spray system, then mixture is slowly added in slot, adds water to operating fluid level；It is described
The a length of 1min of table timing；The groove body volume of the table tune slot is 2 cubic metres；The replacement discharge period of liquid medicine is in the table tune slot
9h。
In addition, during the vitrification liquid medicine preparation method be in vitrification slot be added 3/4 water, after being heated to 40 DEG C by
Following sequence be added [accelerator 131] 1.5L, [additive 311] 35kg, [additive 315] 10kg,
[grano starter 65] 45kg and [bonderite910mu] 130kg；A length of 2min when the vitrification；The vitrification slot
Groove body volume is 4 cubic metres；The replacement discharge period of liquid medicine is 9h in the table tune slot.
Furthermore the rinsing agent in the described third washing is tap water of the pH value in 6-8, and washing pressure is 0.4Pa, when washing
Between be 30s；The replacement discharge period of the rinsing agent is 1 week.
More have, the rinsing agent in described 4th washing is tap water of the pH value in 6-8, and washing pressure is 0.4Pa, when washing
Between be 30s；The replacement discharge period of the rinsing agent is 1 week.
Further, the reliability test in the checkout procedure mainly includes impact test, the experiment of hundred lattice, smog sample
With hardness tester test sample.
Embodiment 2
A kind of workmanship of spraying plastics of high adhesion force coating, including the following steps:
1. pendant: first checking whether hanging tool structure is good, whether good with the electric conductivity of workpiece contact portion position, replacement is damaged in time
Bad and poor contact hanger；Check workpiece whether there is or not damage, scratch and corrosion, qualified workpiece is entered into piece uploading region；It is cleared up with rag
Bottom of cabinet bulk welding slag, dirt；Workpiece need to be done into protection stud or position stud protective case or adhesive tape protection outer cabinet ground connection
Stud first fills gasket, refills protective case；Correct hanger is selected to plastic-spraying workpiece according to different；Hanger is suspended on carrier chain
Hook on, confirmation suspension is good；Workpiece should be correctly carried when piece uploading, is taken care, it is ensured that workpiece suspension position is correct and hangs
It is firmly linked with and leans on, it is steady to guarantee that carrier chain operates normally；It cannot be overlapped between pendant, two suspension centres distance is 350mm, and distance is between workpiece
100mm。
2. pre-treatment: the workpiece that will have been hung first carries out pre- degreasing, then carries out degreasing, then carries out first wash,
Second wash is carried out after first wash, then carries out table reconciliation phosphatization, carries out third time washing and the 4th washing again later,
Finally pure water is carried out again to wash；
3. dewatered drying: the workpiece Jing Guo pre-treatment being put into baking oven, the temperature setting of baking oven is 130 DEG C, and drying time period is
16min。
4. molding powder sprays: each powder supply route is checked and dredged before workpiece and spray gun is (certain when cleaning spray gun it is noted that spray
Whether rifle power supply line contacts well with nozzle, and whether powder supply route is dredged with nozzle), clean out powder spraying chamber and powder barrel；To
Specified trade mark powdery paints power turn-on switch is added in powder barrel, opens powder spraying chamber blower, connects compressed air；It opens quiet
Electric generator switch checks whether each section instrumentation is normal, and voltage, compressed air pressure is transferred to working index range
It is interior, then open spray gun and carry out examination spray；Holding spray gun makes muzzle face powder spraying chamber carry out examination spray, adjusts spray gun according to workpiece feature
Powder outlet quantity, to guarantee coating quality；When operation, spray gun face workpiece keeps spray gun to spray-coating surface distance 200mm, spray coated
Followed in journey spray gun horizontally or vertically linear uniform motion principle carry out operation；Visual inspection spraying situation, makes workpiece surface
It is completely covered by powder；Structure is complicated workpiece should repeat spraying 2 times at concave surface angle position, guarantee appearance of coat quality；
5. solidifying: will be put into solidification case by the workpiece of molding powder spraying, the temperature setting of solidification case is 180-200 DEG C, solidification
Shi Changwei 20min；
6. cooling down: treated that workpiece takes out from solidification case by cured, stands 2h, makes its cooled to room temperature；
7. examining: examining the film thickness and its reliability of workpiece after cooling respectively, workpiece is packaged into according to packaging drawing after qualification
Otherwise library is considered as unqualified part, return and carry out secondary spraying.
In addition, the preparation method of the liquid medicine in the pre- degreasing be by the Parcocleaner1523R degreasing agent of 60kg,
The Parcocleaner1523S degreasing agent and water of 6kg are mixed into 3.5 cubic metres of mixing water, and mixing water is heated to work temperature
Spray system is opened after degree, the liquid that spray system sprays at this time is liquid medicine used in pre- degreasing, the replacement discharge of the liquid medicine
Period is 8 weeks.
Separately have, the preparation method of the liquid medicine in the degreasing be by the Parcocleaner1523R degreasing agent of 80kg,
The Parcocleaner1523S degreasing agent and water of 7kg are mixed into 3.5 cubic metres of mixing water, and mixing water is heated to work temperature
Spray system is opened after degree, the liquid that spray system sprays at this time is liquid medicine used in degreasing；Week is discharged in the replacement of the liquid medicine
Phase is 8 weeks.
Further more, the rinsing agent in described first washing is tap water of the pH value in 6-8, washing pressure is 0.4Pa, when washing
Between be 120s；The replacement discharge period of the rinsing agent is 1 week.
Further, the rinsing agent in second washing is tap water of the pH value in 6-8, and washing pressure is 0.4Pa, water
Washing the time is 120s；The replacement discharge period of the rinsing agent is 1 week.
In addition to this, during the table tune preparation method of liquid medicine be first by 1 kilogram of table adjust with deionized water and mixed,
3/4 water is added in table tune slot, opens spray system, then mixture is slowly added in slot, adds water to operating fluid level；It is described
The a length of 2min of table timing；The groove body volume of the table tune slot is 2 cubic metres；The replacement discharge period of liquid medicine is in the table tune slot
11h。
In addition, during the vitrification liquid medicine preparation method be in vitrification slot be added 3/4 water, after being heated to 45 DEG C by
Following sequence be added [accelerator 131] 1.5L, [additive 311] 35kg, [additive 315] 10kg,
[grano starter 65] 45kg and [bonderite910mu] 130kg；A length of 4min when the vitrification；The vitrification slot
Groove body volume is 4 cubic metres；The replacement discharge period of liquid medicine is 11h in the table tune slot.
Furthermore the rinsing agent in the described third washing is tap water of the pH value in 6-8, and washing pressure is 0.4Pa, when washing
Between be 120s；The replacement discharge period of the rinsing agent is 1 week.
More have, the rinsing agent in described 4th washing is tap water of the pH value in 6-8, and washing pressure is 0.4Pa, when washing
Between be 120s；The replacement discharge period of the rinsing agent is 1 week.
Further, the reliability test in the checkout procedure mainly includes impact test, the experiment of hundred lattice, smog sample
With hardness tester test sample.
Embodiment 3
A kind of workmanship of spraying plastics of high adhesion force coating, including the following steps:
1. pendant: first checking whether hanging tool structure is good, whether good with the electric conductivity of workpiece contact portion position, replacement is damaged in time
Bad and poor contact hanger；Check workpiece whether there is or not damage, scratch and corrosion, qualified workpiece is entered into piece uploading region；It is cleared up with rag
Bottom of cabinet bulk welding slag, dirt；Workpiece need to be done into protection stud or position stud protective case or adhesive tape protection outer cabinet ground connection
Stud first fills gasket, refills protective case；Correct hanger is selected to plastic-spraying workpiece according to different；Hanger is suspended on carrier chain
Hook on, confirmation suspension is good；Workpiece should be correctly carried when piece uploading, is taken care, it is ensured that workpiece suspension position is correct and hangs
It is firmly linked with and leans on, it is steady to guarantee that carrier chain operates normally；It cannot be overlapped between pendant, two suspension centres distance is 400mm, and distance is between workpiece
150mm。
2. pre-treatment: the workpiece that will have been hung first carries out pre- degreasing, then carries out degreasing, then carries out first wash,
Second wash is carried out after first wash, then carries out table reconciliation phosphatization, carries out third time washing and the 4th washing again later,
Finally pure water is carried out again to wash；
3. dewatered drying: the workpiece Jing Guo pre-treatment being put into baking oven, the temperature setting of baking oven is 120 DEG C, and drying time period is
14min。
4. molding powder sprays: each powder supply route is checked and dredged before workpiece and spray gun is (certain when cleaning spray gun it is noted that spray
Whether rifle power supply line contacts well with nozzle, and whether powder supply route is dredged with nozzle), clean out powder spraying chamber and powder barrel；To
Specified trade mark powdery paints power turn-on switch is added in powder barrel, opens powder spraying chamber blower, connects compressed air；It opens quiet
Electric generator switch checks whether each section instrumentation is normal, and voltage, compressed air pressure is transferred to working index range
It is interior, then open spray gun and carry out examination spray；Holding spray gun makes muzzle face powder spraying chamber carry out examination spray, adjusts spray gun according to workpiece feature
Powder outlet quantity, to guarantee coating quality；When operation, spray gun face workpiece keeps spray gun to spray-coating surface distance 170mm, spray coated
Followed in journey spray gun horizontally or vertically linear uniform motion principle carry out operation；Visual inspection spraying situation, makes workpiece surface
It is completely covered by powder；Structure is complicated workpiece should repeat spraying 1 time at concave surface angle position, guarantee appearance of coat quality；
5. solidifying: will be put into solidification case by the workpiece of molding powder spraying, the temperature setting of solidification case is 180-200 DEG C, solidification
Shi Changwei 16min；
6. cooling down: treated that workpiece takes out from solidification case by cured, stands 1.5h, makes its cooled to room temperature；
7. examining: examining the film thickness and its reliability of workpiece after cooling respectively, workpiece is packaged into according to packaging drawing after qualification
Otherwise library is considered as unqualified part, return and carry out secondary spraying.
In addition, the preparation method of the liquid medicine in the pre- degreasing be by the Parcocleaner1523R degreasing agent of 60kg,
The Parcocleaner1523S degreasing agent and water of 6kg are mixed into 3.5 cubic metres of mixing water, and mixing water is heated to work temperature
Spray system is opened after degree, the liquid that spray system sprays at this time is liquid medicine used in pre- degreasing, the replacement discharge of the liquid medicine
Period is 8 weeks.
Separately have, the preparation method of the liquid medicine in the degreasing be by the Parcocleaner1523R degreasing agent of 80kg,
The Parcocleaner1523S degreasing agent and water of 7kg are mixed into 3.5 cubic metres of mixing water, and mixing water is heated to work temperature
Spray system is opened after degree, the liquid that spray system sprays at this time is liquid medicine used in degreasing；Week is discharged in the replacement of the liquid medicine
Phase is 8 weeks.
Further more, the rinsing agent in described first washing is tap water of the pH value in 6-8, washing pressure is 0.4Pa, when washing
Between be 100s；The replacement discharge period of the rinsing agent is 1 week.
Further, the rinsing agent in second washing is tap water of the pH value in 6-8, and washing pressure is 0.4Pa, water
Washing the time is 80s；The replacement discharge period of the rinsing agent is 1 week.
In addition to this, during the table tune preparation method of liquid medicine be first by 1 kilogram of table adjust with deionized water and mixed,
3/4 water is added in table tune slot, opens spray system, then mixture is slowly added in slot, adds water to operating fluid level；It is described
The a length of 1.5min of table timing；The groove body volume of the table tune slot is 2 cubic metres；The period is discharged in the replacement of liquid medicine in the table tune slot
For 10h.
In addition, during the vitrification liquid medicine preparation method be in vitrification slot be added 3/4 water, after being heated to 42 DEG C by
Following sequence be added [accelerator 131] 1.5L, [additive 311] 35kg, [additive 315] 10kg,
[grano starter 65] 45kg and [bonderite910mu] 130kg；A length of 3min when the vitrification；The vitrification slot
Groove body volume is 4 cubic metres；The replacement discharge period of liquid medicine is 10h in the table tune slot.
Furthermore the rinsing agent in the described third washing is tap water of the pH value in 6-8, and washing pressure is 0.4Pa, when washing
Between be 70s；The replacement discharge period of the rinsing agent is 1 week.
More have, the rinsing agent in described 4th washing is tap water of the pH value in 6-8, and washing pressure is 0.4Pa, when washing
Between be 90s；The replacement discharge period of the rinsing agent is 1 week.
Further, the reliability test in the checkout procedure mainly includes impact test, the experiment of hundred lattice, smog sample
With hardness tester test sample.
Embodiment 4
A kind of workmanship of spraying plastics of high adhesion force coating, including the following steps:
1. pendant: first checking whether hanging tool structure is good, whether good with the electric conductivity of workpiece contact portion position, replacement is damaged in time
Bad and poor contact hanger；Check workpiece whether there is or not damage, scratch and corrosion, qualified workpiece is entered into piece uploading region；It is cleared up with rag
Bottom of cabinet bulk welding slag, dirt；Workpiece need to be done into protection stud or position stud protective case or adhesive tape protection outer cabinet ground connection
Stud first fills gasket, refills protective case；Correct hanger is selected to plastic-spraying workpiece according to different；Hanger is suspended on carrier chain
Hook on, confirmation suspension is good；Workpiece should be correctly carried when piece uploading, is taken care, it is ensured that workpiece suspension position is correct and hangs
It is firmly linked with and leans on, it is steady to guarantee that carrier chain operates normally；It cannot be overlapped between pendant, two suspension centres distance is 300mm, and distance is between workpiece
100mm。
2. pre-treatment: the workpiece that will have been hung first carries out pre- degreasing, then carries out degreasing, then carries out first wash,
Second wash is carried out after first wash, then carries out table reconciliation vitrification, carries out third time washing and the 4th washing again later,
Finally pure water is carried out again to wash；
3. dewatered drying: the workpiece Jing Guo pre-treatment being put into baking oven, the temperature setting of baking oven is 100 DEG C, and drying time period is
16min。
4. molding powder sprays: each powder supply route is checked and dredged before workpiece and spray gun is (certain when cleaning spray gun it is noted that spray
Whether rifle power supply line contacts well with nozzle, and whether powder supply route is dredged with nozzle), clean out powder spraying chamber and powder barrel；To
Specified trade mark powdery paints power turn-on switch is added in powder barrel, opens powder spraying chamber blower, connects compressed air；It opens quiet
Electric generator switch checks whether each section instrumentation is normal, and voltage, compressed air pressure is transferred to working index range
It is interior, then open spray gun and carry out examination spray；Holding spray gun makes muzzle face powder spraying chamber carry out examination spray, adjusts spray gun according to workpiece feature
Powder outlet quantity, to guarantee coating quality；When operation, spray gun face workpiece keeps spray gun to spray-coating surface distance 150mm, spray coated
Followed in journey spray gun horizontally or vertically linear uniform motion principle carry out operation；Visual inspection spraying situation, makes workpiece surface
It is completely covered by powder；Structure is complicated workpiece should repeat spraying 2 times at concave surface angle position, guarantee appearance of coat quality；
5. solidifying: will be put into solidification case by the workpiece of molding powder spraying, the temperature setting of solidification case is 180-200 DEG C, solidification
Shi Changwei 20min；
6. cooling down: treated that workpiece takes out from solidification case by cured, stands 1h, makes its cooled to room temperature；
7. examining: examining the film thickness and its reliability of workpiece after cooling respectively, workpiece is packaged into according to packaging drawing after qualification
Otherwise library is considered as unqualified part, return and carry out secondary spraying.
In addition, the preparation method of the liquid medicine in the pre- degreasing be by the Parcocleaner1523R degreasing agent of 60kg,
The Parcocleaner1523S degreasing agent and water of 6kg are mixed into 3.5 cubic metres of mixing water, and mixing water is heated to work temperature
Spray system is opened after degree, the liquid that spray system sprays at this time is liquid medicine used in pre- degreasing, the replacement discharge of the liquid medicine
Period is 8 weeks.
Separately have, the preparation method of the liquid medicine in the degreasing be by the Parcocleaner1523R degreasing agent of 80kg,
The Parcocleaner1523S degreasing agent and water of 7kg are mixed into 3.5 cubic metres of mixing water, and mixing water is heated to work temperature
Spray system is opened after degree, the liquid that spray system sprays at this time is liquid medicine used in degreasing；Week is discharged in the replacement of the liquid medicine
Phase is 8 weeks.
Further more, the rinsing agent in described first washing is tap water of the pH value in 6-8, washing pressure is 0.4Pa, when washing
Between be 120s；The replacement discharge period of the rinsing agent is 1 week.
Further, the rinsing agent in second washing is tap water of the pH value in 6-8, and washing pressure is 0.4Pa, water
Washing the time is 30s；The replacement discharge period of the rinsing agent is 1 week.
In addition to this, during the table tune preparation method of liquid medicine be first by 1 kilogram of table adjust with deionized water and mixed,
3/4 water is added in table tune slot, opens spray system, then mixture is slowly added in slot, adds water to operating fluid level；It is described
The a length of 2min of table timing；The groove body volume of the table tune slot is 2 cubic metres；The replacement discharge period of liquid medicine is in the table tune slot
9h。
In addition, during the vitrification liquid medicine preparation method be in vitrification slot be added 3/4 water, after being heated to 45 DEG C by
Following sequence be added [accelerator 131] 1.5L, [additive 311] 35kg, [additive 315] 10kg,
[grano starter 65] 45kg and [bonderite910mu] 130kg；A length of 2min when the vitrification；The vitrification slot
Groove body volume is 4 cubic metres；The replacement discharge period of liquid medicine is 11h in the table tune slot.
Furthermore the rinsing agent in the described third washing is tap water of the pH value in 6-8, and washing pressure is 0.4Pa, when washing
Between be 30s；The replacement discharge period of the rinsing agent is 1 week.
More have, the rinsing agent in described 4th washing is tap water of the pH value in 6-8, and washing pressure is 0.4Pa, when washing
Between be 120s；The replacement discharge period of the rinsing agent is 1 week.
Further, the reliability test in the checkout procedure mainly includes impact test, the experiment of hundred lattice, smog sample
With hardness tester test sample.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the principle of the present invention, several improvement can also be made, these improvement also should be regarded as of the invention
Protection scope.
Claims (10)
1. a kind of workmanship of spraying plastics of high adhesion force coating, it is characterised in that: including the following steps:
1. pendant: first checking whether hanging tool structure is good, whether good with the electric conductivity of workpiece contact portion position, replacement is damaged in time
Bad and poor contact hanger；Check workpiece whether there is or not damage, scratch and corrosion, qualified workpiece is entered into piece uploading region；It is cleared up with rag
Bottom of cabinet bulk welding slag, dirt；Workpiece need to be done into protection stud or position stud protective case or adhesive tape protection outer cabinet ground connection
Stud first fills gasket, refills protective case；Correct hanger is selected to plastic-spraying workpiece according to different；Hanger is suspended on carrier chain
Hook on, confirmation suspension is good；Workpiece should be correctly carried when piece uploading, is taken care, it is ensured that workpiece suspension position is correct and hangs
It is firmly linked with and leans on, it is steady to guarantee that carrier chain operates normally；It cannot be overlapped between pendant, two suspension centres distance is not less than 300mm, workpiece spacing
From not less than 50mm；
2. pre-treatment: the workpiece that will have been hung first carries out pre- degreasing, then carries out degreasing, then carries out first wash, first
Second wash is carried out after secondary washing, then carries out table reconciliation vitrification, carries out third time washing and the 4th washing again later, finally
Pure water is carried out again to wash；
3. dewatered drying: the workpiece Jing Guo pre-treatment being put into baking oven, the temperature setting of baking oven is 100 DEG C ~ 130 DEG C, drying
12 ~ 16min of Shi Changwei；
4. molding powder sprays: each powder supply route is checked and dredged before workpiece and spray gun is (certain it is noted that spray gun is electric when cleaning spray gun
Whether source line contacts well with nozzle, and whether powder supply route is dredged with nozzle), clean out powder spraying chamber and powder barrel；To powder supply
Specified trade mark powdery paints power turn-on switch is added in bucket, opens powder spraying chamber blower, connects compressed air；Open electrostatic hair
Raw device switch, checks whether each section instrumentation is normal, and voltage, compressed air pressure is transferred within the scope of working index, then
It opens spray gun and carries out examination spray；Holding spray gun makes muzzle face powder spraying chamber carry out examination spray, and the powder out of spray gun is adjusted according to workpiece feature
Amount, to guarantee coating quality；When operation, spray gun face workpiece keeps spray gun to spray-coating surface distance 150-200mm, spray coated
Followed in journey spray gun horizontally or vertically linear uniform motion principle carry out operation；Visual inspection spraying situation, makes workpiece surface
It is completely covered by powder；Structure is complicated workpiece should repeat spraying 1-2 time, guarantee appearance of coat quality at concave surface angle position；
5. solidifying: it will be put into solidification case by the workpiece of molding powder spraying, the temperature setting of solidification case is 180 DEG C ~ 200 DEG C, Gu
A length of 15 ~ 20min when change；
6. cooling down: treated that workpiece takes out from solidification case by cured, stands 1 ~ 2h, makes its cooled to room temperature；
7. examining: examining the film thickness and its reliability of workpiece after cooling respectively, workpiece is packaged into according to packaging drawing after qualification
Otherwise library is considered as unqualified part, return and carry out secondary spraying.
2. a kind of workmanship of spraying plastics of high adhesion force coating according to claim 1, it is characterised in that: in the pre- degreasing
The preparation method of liquid medicine be by the Parcocleaner1523S degreasing of the Parcocleaner1523R degreasing agent of 60kg, 6kg
Agent and water are mixed into 3.5 cubic metres of mixing water, and mixing water is heated to open spray system after operating temperature, spray system this
When the liquid that sprays be liquid medicine used in pre- degreasing, the replacement discharge period of the liquid medicine is 8 weeks.
3. a kind of workmanship of spraying plastics of high adhesion force coating according to claim 1, it is characterised in that: in the degreasing
The preparation method of liquid medicine is by the Parcocleaner1523S degreasing agent of the Parcocleaner1523R degreasing agent of 80kg, 7kg
It is mixed into 3.5 cubic metres of mixing water with water, mixing water is heated to open spray system after operating temperature, spray system is at this time
The liquid of ejection is liquid medicine used in degreasing；The replacement discharge period of the liquid medicine is 8 weeks.
4. a kind of workmanship of spraying plastics of high adhesion force coating according to claim 1, it is characterised in that: first washing
In rinsing agent be pH value 6-8 tap water, washing pressure be 0.4Pa, washing time be 30 ~ 120s；The rinsing agent is more
Change gear put the period be 1 week.
5. a kind of workmanship of spraying plastics of high adhesion force coating according to claim 1, it is characterised in that: second washing
In rinsing agent be pH value 6-8 tap water, washing pressure be 0.4Pa, washing time be 30 ~ 120s；The rinsing agent is more
Change gear put the period be 1 week.
6. a kind of workmanship of spraying plastics of high adhesion force coating according to claim 1, it is characterised in that: during the table tune
The preparation method of liquid medicine is first by 1 kilogram of table adjustment and deionized water and mixed, the water of addition 3/4 in table tune slot, opening spray
System, then mixture is slowly added in slot, add water to operating fluid level；A length of 1 ~ the 2min of table timing；The table tune slot
Groove body volume is 2 cubic metres；The replacement discharge period of liquid medicine is 9 ~ 11h in the table tune slot.
7. a kind of workmanship of spraying plastics of high adhesion force coating according to claim 1, it is characterised in that: during the vitrification
The preparation method of liquid medicine is the water that 3/4 is added in vitrification slot, is added in the following order after being heated to 40 ~ 45 DEG C
【accelerator 131】1.5L、【additive 311】35kg、【additive 315】10kg、【grano starter
65] 45kg and [bonderite910mu] 130kg；A length of 2 ~ 4min when the vitrification；The groove body volume of the vitrification slot is 4 vertical
Square rice；The replacement discharge period of liquid medicine is 9 ~ 11h in the table tune slot.
8. a kind of workmanship of spraying plastics of high adhesion force coating according to claim 1, it is characterised in that: the third washing
In rinsing agent be pH value 6-8 tap water, washing pressure be 0.4Pa, washing time be 30 ~ 120s；The rinsing agent is more
Change gear put the period be 1 week.
9. a kind of workmanship of spraying plastics of high adhesion force coating according to claim 1, it is characterised in that: the 4th washing
In rinsing agent be pH value 6-8 tap water, washing pressure be 0.4Pa, washing time be 30 ~ 120s；The rinsing agent is more
Change gear put the period be 1 week.
10. a kind of workmanship of spraying plastics of high adhesion force coating according to claim 1, it is characterised in that: the checkout procedure
In reliability test mainly include impact test, the experiment of hundred lattice, smog sample and hardness tester test sample.
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| CN110761044A (en) * | 2019-09-20 | 2020-02-07 | 滁州市友邦涂装有限公司 | Washing machine front panel and spraying process thereof |
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| CN112221911A (en) * | 2020-09-30 | 2021-01-15 | 太仓明昌金属制品有限公司 | Powder spraying process for automobile parts |
| CN113617547A (en) * | 2021-08-12 | 2021-11-09 | 杜弗尼工程机械（苏州）有限公司 | Plastic spraying process with back spraying process |
| CN116020719A (en) * | 2022-09-05 | 2023-04-28 | 浙江安胜科技股份有限公司 | Composite treatment process for surface of vacuum cup |
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Application publication date: 20190625 |