CN101190432A - Method for protecting coating component in coating system and coating technique process - Google Patents
Method for protecting coating component in coating system and coating technique process Download PDFInfo
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- CN101190432A CN101190432A CNA2006101450862A CN200610145086A CN101190432A CN 101190432 A CN101190432 A CN 101190432A CN A2006101450862 A CNA2006101450862 A CN A2006101450862A CN 200610145086 A CN200610145086 A CN 200610145086A CN 101190432 A CN101190432 A CN 101190432A
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Abstract
The invention provides a coating system and a protection method for coating parts in the coating process. The coating system comprises a front disposal room which is sequentially provided with a degreasing device, a first water washing device and a phosphating device; wherein, the front disposal room is also provided with a spraying device which comprises at least one spraying part which is arranged on at least one of the the positions between two adjacent devices of the decreasing device, the first water washing device and the phosphating. The method comprises spaying the coating part in transitional section between two adjacent working procedures stopped in the front disposal process. The coating system provided by the invention can protect the coating parts stopped in the coating system caused by accident and prevent the coating part from being rusted or attached by floating paint and dust, thus improving the coating quality of the coating part and improving the economic benefits of the coating system. The protection method of the coating parts in coating process provided by the invention is simple and feasible and has obvious effect.
Description
Technical field
The present invention relates to the guard method of application parts in a kind of finishing system and the coating process process.
Background technology
In industrial production, need carry out application to many products and handle, as automobile and household appliances.
Application is economy, the effective method that improves the product decay resistance and improve the product decoration effect.As shown in Figure 1, the finishing system of traditional body of a motor car comprises pre-treatment chamber 1, Electrophoresis Lab 2, spray paint zone 3 and oven dry zone 4, be sequentially set with hot wash device 6, degreasing plant 7, first water washing device 8, phosphating plant 9 and the 3rd water washing device 10 in the pre-treatment chamber 1, and first conveying device 11 that runs through the whole production line of pre-treatment chamber 1, be sequentially set with electrophoretic apparatus 13, first ultrafiltration apparatus 14 and pure water cleaning device 15 in the Electrophoresis Lab 2, and second conveying device 16 that runs through the whole production line of Electrophoresis Lab 2.Because in pre-treatment chamber 1, need to adopt alkaline solution, acid solution and organic solvent that body of a motor car is carried out cleaning treatment, and the temperature of the cleaning solution that is adopted is up to 60 ℃, so first conveying device 11 not only will stand the continuous erosion of acid, alkali and organic solvent, also under the environment of high temperature, high humidity, long-time continuous move; In Electrophoresis Lab 2, second conveying device 16 not only will stand the continuous erosion of organic solvent and other harmful substance, and under the environment of high humidity, long-time continuous move, so first conveying device 11 and second conveying device 16 break down easily, and generally, pre-treatment chamber 1 and Electrophoresis Lab 2 are set to a chamber, first conveying device 11 and second conveying device 16 adopt same conveying device, at this moment, the fault rate of conveying device increases.In pre-treatment chamber 1, because the vehicle body after the process degreasing is easily by airborne dioxygen oxidation, so the easy corrosion of vehicle body after the vehicle body after the degreasing, the especially degreasing, before the phosphatization.Therefore, when first conveying device 11 because contingency and out of service, and just vehicle body is transported between two the adjacent devices in degreasing plant 7, first water washing device 8, the phosphating plant 9 and when vehicle body is stopped between these two devices, because vehicle body is easily by airborne dioxygen oxidation, so the easy corrosion of vehicle body also can cause scrapping of vehicle body under vehicle body corrosion serious situation.In Electrophoresis Lab 2, because the electrodeposited paint film through the bodywork surface electrophoresis after the electrophoresis is softer, so bodywork surface adheres to floating lacquer and dust easily, so when second conveying device 16 because the accident and out of service of meeting accident, and just vehicle body is transported between two the adjacent devices in electrophoretic apparatus 13, first ultrafiltration apparatus 14 and the pure water cleaning device 15 and when vehicle body is stopped between these two devices, because bodywork surface adheres to floating lacquer and dust easily, so cause the electrodeposited paint film of bodywork surface the paint face to occur, thereby cause vehicle body fineness to reduce.
Summary of the invention
The object of the present invention is to provide a kind of to resting on finishing system and the method that the application parts in the finishing system are protected owing to contingency.
The invention provides a kind of finishing system, this finishing system comprises the pre-treatment chamber, be sequentially set with degreasing plant, first water washing device and phosphating plant in the pre-treatment chamber, wherein, described pre-treatment also is provided with spray equipment in the chamber, described spray equipment comprises at least one spray part, and the spray part is arranged in as upper/lower positions at least one, and this position is between two devices adjacent in degreasing plant, first water washing device and the phosphating plant.
The invention provides the guard method of application parts in a kind of coating process process; described coating process comprises pre-treating technology; described pre-treating technology comprises degreasing process, first washing step and phosphatization operation in proper order; wherein; when the application parts because changeover portion and/or the changeover portion first washing step and phosphatization operation between when stopping, with the application parts of protection liquid spraying at least one changeover portion of contingency between the degreasing process and first washing step.
Because the pre-treatment chamber of finishing system provided by the invention comprises spray equipment; so finishing system provided by the invention can use protection liquid that the application parts that rest in the pre-treatment chamber owing to contingency are sprayed; make the application parts keep moistening; thereby the surface at the application parts forms layer protecting film; application parts and airborne oxygen are isolated; thereby prevented the corrosion of application parts, further prevented scrapping of application parts.Because under the preferable case; finishing system provided by the invention also comprises Electrophoresis Lab; also be provided with spray equipment in the Electrophoresis Lab; so finishing system provided by the invention can use protection liquid that the application parts that rest in the Electrophoresis Lab owing to contingency are sprayed; thereby prevented floating lacquer of application parts surface adhesion and dust, kept the cleaning of application parts surface.Therefore; finishing system provided by the invention can be protected the application parts that rest in the finishing system owing to contingency; prevent the corrosion of application parts or adhere to floating lacquer and dust, thereby improved the coating quality of application parts, improved the economic benefit of finishing system.
Description of drawings
Fig. 1 is the structural representation of traditional finishing system;
Fig. 2 is the structural representation of finishing system provided by the invention;
Fig. 3 is the structural representation of finishing system provided by the invention;
Fig. 4 is the structural representation of finishing system provided by the invention.
The specific embodiment
The present invention is further illustrated below in conjunction with accompanying drawing.
As shown in Figure 2, finishing system provided by the invention comprises pre-treatment chamber 1, be sequentially set with degreasing plant 7, first water washing device 8 and phosphating plant 9 in the pre-treatment chamber 1, wherein, also be provided with spray equipment 17 in the described pre-treatment chamber 1, described spray equipment 17 comprises at least one spray part 25, at least one that spray part 25 is arranged in as upper/lower positions, and this position is between two devices adjacent in degreasing plant 7, first water washing device 8 and the phosphating plant 9.Preferably, described spray spare 25 is a plurality of, and part sprays part 25 between the degreasing plant 7 and first water washing device 8, and part sprays part 25 between first water washing device 8 and phosphating plant 9.
As shown in Figure 4, in order to improve the pre-treatment effect of application parts, preferably, also be provided with hot wash device 6 in the described pre-treatment chamber 1, pre-degreasing plant 18, second water washing device 19, table is transferred device 20, the 3rd water washing device 10, in the 4th water washing device 21 and the pure water cleaning device 22 at least one, described hot wash device 6 and pre-degreasing plant 18 are set in sequence in before the degreasing plant 7, described second water washing device 19 and table transfer device 20 to be set in sequence between first water washing device 8 and the phosphating plant 9, described the 3rd water washing device 10, the 4th water washing device 21 and pure water cleaning device 22 are set in sequence in after the phosphating plant 9, described spray spare 25 also is arranged at least one as upper/lower positions, and this position is a hot wash device 6, pre-degreasing plant 18, degreasing plant 7, first water washing device 8, second water washing device 19, table is transferred device 20, phosphating plant 9, the 3rd water washing device 10, in the 4th water washing device 21 and the pure water cleaning device 22 between adjacent two devices.More preferably, be sequentially set with hot wash device 6 in the described pre-treatment chamber 1, pre-degreasing plant 18, degreasing plant 7, first water washing device 8, second water washing device 19, table is transferred device 20, phosphating plant 9, the 3rd water washing device 10, the 4th water washing device 21 and pure water cleaning device 22, described hot wash device 6, pre-degreasing plant 18, degreasing plant 7, first water washing device 8, second water washing device 19, table is transferred device 20, phosphating plant 9, the 3rd water washing device 10, be provided with spray part 25 between per two adjacent devices in the 4th water washing device 21 and the pure water cleaning device 22.
As shown in Figure 3, in order to prevent the application parts because contingency adheres to floating lacquer and dust when resting in the Electrophoresis Lab of finishing system, preferably, finishing system provided by the invention also comprises Electrophoresis Lab 2, be sequentially set with electrophoretic apparatus 13 in the Electrophoresis Lab 2, first ultrafiltration apparatus 14 and pure water cleaning device 15, also be provided with spray equipment 17 in the Electrophoresis Lab 2, described spray equipment 17 comprises at least one spray part 25, at least one that spray part 25 is arranged in as upper/lower positions, this position is an electrophoretic apparatus 13, in first ultrafiltration apparatus 14 and the pure water cleaning device 15 between adjacent two devices.Preferably, be provided with spray part 25 between per two the adjacent devices in described electrophoretic apparatus 13, first ultrafiltration apparatus 14 and the pure water cleaning device 15.
As shown in Figure 4, in order to improve the electrophoretic effects of application parts, preferably, also be provided with at least one in second ultrafiltration apparatus 23 and the 3rd ultrafiltration apparatus 24 in the described Electrophoresis Lab 2, described second ultrafiltration apparatus 23 and the 3rd ultrafiltration apparatus 24 are set in sequence between first ultrafiltration apparatus 14 and the pure water cleaning device 15, described spray spare 25 also is arranged at least one as upper/lower positions, and this position is between two devices adjacent in electrophoretic apparatus 13, first ultrafiltration apparatus 14, second ultrafiltration apparatus 23, the 3rd ultrafiltration apparatus 24 and the pure water cleaning device 15.More preferably, be sequentially set with electrophoretic apparatus 13, first ultrafiltration apparatus 14, second ultrafiltration apparatus 23, the 3rd ultrafiltration apparatus 24 and pure water cleaning device 15 in the described Electrophoresis Lab 2, be provided with spray part 25 between per two the adjacent devices in described electrophoretic apparatus 13, first ultrafiltration apparatus 14, second ultrafiltration apparatus 23, the 3rd ultrafiltration apparatus 24 and the pure water cleaning device 15.
Described spray equipment 17 can be various spray equipments well known in the art, as long as can make the application parts keep moistening.In order to simplify the structure of spray equipment 17, reduce the cost of spray equipment 17, preferably, described spray equipment 17 comprises spray part 25 and water pipe 26, and described spray spare 25 is arranged on the water pipe 26 and with water pipe 26 and communicates, more preferably, described spray equipment 17 also comprises water supply unit 27 and switch 28, one end of described water pipe 26 communicates with water supply unit 27, the other end sealing of described water pipe 26, described switch 28 control water supply unit 27.
Described spray spare 25 can be various spray spares well known in the art, as various nozzles, described nozzle can be fan nozzle, conical nozzle or atomizer, for 25 pairs of application parts of spray part are sprayed equably, preferably, described spray spare 25 is an atomizer, more preferably the solid cone shaped atomizer.The number of the spray spare 25 that is provided with between two adjacent devices can be set according to the size of spray part and the distance between these two devices, as being provided with 1-3.Described water pipe 26 can be for various water pipes well known in the art, as seamless steel pipe, stainless steel tube or pvc pipe.The other end of described water pipe 26 can be by variety of way well known in the art sealing, as the other end of water pipe 26 being made sealing, also can valve be set in that another of water pipe 26 is disconnected, and make valve be in closed condition.Described water supply unit 27 can be the various devices that are used to supply water well known in the art, as water for industrial use common line, pure water common line or the homemade device that is used to supply water, preferably, the water supply unit 27 that uses in the described pre-treatment chamber 1 is the water for industrial use common line, and the water supply unit 27 that uses in the described Electrophoresis Lab 2 is the pure water common line.Pressure of supply water to water supply unit 27 does not limit, as long as water is sprayed equably from spray part 25.Described switch 28 can be the device of various control water supply well known in the art unit 27, and switch 28 can be various valves as described, and described valve can be ball valve, butterfly valve or stop valve.
Described spray equipment 17 can be by disposed in various ways well known in the art in pre-treatment chamber 1.As on the locular wall that water pipe 26 can be fixed on pre-treatment chamber 1 or on the support, make water pipe 26 be positioned at the top of production line; To spray part 25 and be threaded with water pipe 26 or fix, and make between spray part 25 each device in pre-treatment chamber 1, and the water spray end that makes spray part 25 is towards the position between each device on the production line by spring clip; One end of water pipe 26 is linked to each other with the water for industrial use common line, with the other end sealing of water pipe 26; And by butterfly valve control water for industrial use common line.
Described spray equipment 17 can be by disposed in various ways well known in the art in Electrophoresis Lab 2.As on the locular wall that water pipe 26 can be fixed on Electrophoresis Lab 2 or on the support, make water pipe 26 be positioned at the top of production line; To spray part 25 and be threaded with water pipe 26 or fix, and make between spray part 25 each device in Electrophoresis Lab 2, and the water spray end that makes spray part 25 is towards the position between each device on the production line by spring clip; One end of water pipe 26 is linked to each other with the pure water common line, with the other end sealing of water pipe 26; And by butterfly valve control pure water common line.
After spray equipment 17 used, in order to drain the water in the water pipe 26 in time, the water in preventing to manage was rotten, thereby the water in preventing to manage pollutes the application parts, when water pipe 26 is installed, water pipe 26 can be obliquely installed, also can on water pipe 26, floss hole be set.Preferably, described water pipe 26 is provided with floss hole 5, is connected with valve on the described floss hole 5.Described valve can be various forms of valves well known in the art, as adopting tee ball valve, water pipe 26 is set to multistage, and the two ends of tee ball valve are linked to each other with the two neighboring sections water pipe respectively, at the other end connection drainpipe of tee ball valve.After using up spray equipment 17, open tee ball valve, the water in the water pipe 26 is discharged by drainpipe.
According to finishing system provided by the invention, other structure of described finishing system is the structure of the finishing system of routine.
Described pre-treatment chamber 1 is conventionally known to one of skill in the art, and pre-treatment chamber 1 can be the chamber body of various sealings as described.
Described hot wash device 6 is conventionally known to one of skill in the art, and hot wash device 6 can comprise cell body, filtering tank and heat exchanger as described.Described hot wash device 6 is used for the application parts are carried out hot water wash, to remove the dirt of application parts surface.
Described pre-degreasing plant 18 and degreasing plant 7 are conventionally known to one of skill in the art, and pre-as described degreasing plant 18 can comprise cell body, filtering tank and heat exchanger, and described degreasing plant 7 can comprise cell body, filtering tank and oil water separator.Described pre-degreasing plant 18 and degreasing plant 7 are used for the application parts are carried out degreasing, to remove the greasy dirt of application parts surface.
Described first water washing device 8 and second water washing device 19 are conventionally known to one of skill in the art, and first water washing device 8 can comprise cell body, filtering tank and spray pump as described, and described second water washing device 19 can comprise cell body, filtering tank and water pump.Described first water washing device 8 and second water washing device 19 are used for the application parts after the degreasing are cleaned, to remove the washing lotion of application parts remained on surface.
It is conventionally known to one of skill in the art that described table is transferred device 20, and table transfers device 20 can comprise cell body, filtering tank and circulating pump as described.Described table transfers device 20 to be used for forming the nucleus that phosphating coat is rely and increased in the metal surface, improves phosphorization filming speed, also makes phosphating coat crystal grain thin and fine and close simultaneously.
Described phosphating plant 9 is conventionally known to one of skill in the art, and phosphating plant 9 can comprise cell body, plate type heat exchanger and slag removal equipment as described.Described phosphating plant 9 is used for forming the phosphate coating that one deck is insoluble in water at the application parts surface, so that the application parts are protected, improves the adhesive force and the anti-corrosion capability of paint film layer.
Described the 3rd water washing device 10, the 4th water washing device 21 and pure water cleaning device 22 are conventionally known to one of skill in the art, the 3rd water washing device 10 can comprise cell body, water pump and filtering tank as described, described the 4th water washing device 21 can comprise cell body, water pump and filtering tank, and described pure water cleaning device 22 can comprise cell body, water pump and filtering tank.Described the 3rd water washing device 10, the 4th water washing device 21 and pure water cleaning device 22 are used for the application parts after the phosphatization are cleaned, and removing the reaction solution of application parts remained on surface, and the application parts are kept clean.
Described pre-treatment chamber 1 also comprises first conveying device 11, described first conveying device 11 is conventionally known to one of skill in the art, first conveying device 11 can be chain, armful tool or sled as described, and described first conveying device 11 is used for the 1 conveying application parts in the pre-treatment chamber.
Described Electrophoresis Lab 2 is conventionally known to one of skill in the art, and Electrophoresis Lab 2 can be the chamber body of various sealings as described.
Described electrophoretic apparatus 13 is conventionally known to one of skill in the art, and electrophoretic apparatus 13 can comprise cell body, ultrafiltration apparatus and temperature of paint liquid adjusting device as described.Described electrophoretic apparatus 13 is used for forming at surface of the work the paint film of protectiveness.
Described first ultrafiltration apparatus 14, second ultrafiltration apparatus 23 and the 3rd ultrafiltration apparatus 24 are conventionally known to one of skill in the art, first ultrafiltration apparatus 14 can comprise cell body, ultrafilter and filtering tank as described, described second ultrafiltration apparatus 23 can comprise cell body, ultrafilter and filtering tank, and described the 3rd ultrafiltration apparatus 24 can comprise cell body, ultrafilter and filtering tank.Described first ultrafiltration apparatus 14, second ultrafiltration apparatus 23 and the 3rd ultrafiltration apparatus 24 are used to reclaim Electrophoretic Paints and purify lacquer liquid.
Described pure water cleaning device 15 is conventionally known to one of skill in the art, and pure water cleaning device 15 can comprise cell body, filtering tank and water pump as described.Described pure water cleaning device 15 is used to remove the electrolyte of coating surface, to improve the decay resistance of paint film.
Described Electrophoresis Lab 2 also comprises second conveying device 16, described second conveying device 16 is conventionally known to one of skill in the art, second conveying device 16 can be chain, armful tool or sled as described, and described second conveying device 16 is used for carrying the application parts at Electrophoresis Lab 2.
Described finishing system also comprises spray paint zone 3 and oven dry zone 4.
The described zone 3 of spraying paint is for conventionally known to one of skill in the art, spraying paint as described, zone 3 is coated with the zone in can comprising and the face spray is regional, be coated with the zone in described and can comprise paint spray booth, supply and exhaust air interchanger and lacquer slag treating apparatus, described spray zone can comprise paint spray booth, supply and exhaust device and lacquer slag treating apparatus.The described zone 3 of spraying paint is used for the application parts are carried out application, forms protective layer with the surface at the application parts, improves the decorative effect of application parts.
Described oven dry zone 4 be conventionally known to one of skill in the art, and oven dry zone 4 can comprise electrophoresis oven dry zone as described, to dry the oven dry of zone and finish paint midway regional.Described oven dry zone 4 is used for to drying through the application parts of spraying, so that coating is at application parts surface cure.
Below in conjunction with Fig. 4 the course of work of finishing system provided by the invention is described.
As shown in Figure 4, under normal circumstances, the course of work of finishing system provided by the invention is: application parts 12 are undertaken by pre-treatment chamber 1 successively that electrophoretic process is carried out in pre-treatment, Electrophoresis Lab 2, spray treatment is carried out in the zone 3 of spraying paint, processing is dried in oven dry zone 4.In pre-treatment chamber 1, first conveying device 11 with application parts 12 be transported to successively that hot wash device 6 carries out that hot water wash, pre-degreasing plant 18 carry out that ungrease treatment, degreasing plant 7 carry out that ungrease treatment, first water washing device 8 are cleaned, second water washing device 19 cleans, shows to transfer device 20 to carry out surface adjustment, phosphating plant 9 to carry out that phosphatization processing, the 3rd water washing device 10 are cleaned, the 4th water washing device 21 cleans, pure water cleaning device 22 carries out pure water and washes.In Electrophoresis Lab 2, second conveying device 16 is transported to electrophoretic apparatus 13 successively with application parts 12 and carries out electrophoresis, first ultrafiltration apparatus 14 and carry out a ultrafiltration, second ultrafiltration apparatus 23 and carry out that second ultrafiltration, the 3rd ultrafiltration apparatus 24 carry out three ultrafiltration, pure water cleaning device 15 carries out pure water and washes.When first conveying device 11 and/or second conveying device 16 because contingency and when out of service, the switch 28 of the spray equipment 17 in pre-treatment chamber 1 and/or the Electrophoresis Lab 2 is opened, water pipe 26 is communicated with water supply unit 27, thereby the application parts 12 that 25 pairs of parts of spray are rested between per two adjacent devices in pre-treatment chamber 1 and/or the Electrophoresis Lab 2 spray.After fault is got rid of, when first conveying device 11 and/or second conveying device 16 are resumed operation, the switch 28 of the spray equipment 17 in pre-treatment chamber 1 and/or the Electrophoresis Lab 2 to cut out, spray part 25 is no longer to application parts 12 water sprays.
After spray equipment 17 uses, open the valve on the floss hole 5 owing to going bad for a long time for remaining water in the anti-antipriming pipe 26, remaining water in the water pipe 26 is discharged.
Finishing system provided by the invention can be at the application parts because contingency when resting between any two adjacent devices in pre-treatment chamber 1 or the Electrophoresis Lab 2, the application parts are sprayed, thereby prevent the corrosion of application parts or adhere to floating lacquer and dust, and then improved the coating quality of application parts, reduced the percent defective of application parts.
Below, the guard method of application parts in the coating process process provided by the invention is described.
The invention provides the guard method of application parts in a kind of coating process process; described coating process comprises pre-treating technology; described pre-treating technology comprises degreasing process, first washing step and phosphatization operation in proper order; it is characterized in that; when the application parts because changeover portion and/or the changeover portion first washing step and phosphatization operation between when stopping, with the application parts of protection liquid spraying at least one changeover portion of contingency between the degreasing process and first washing step.Preferably, when the application parts stop owing to the changeover portion between any two adjacent operations of contingency in degreasing process, first washing step and phosphatization operation, with protection liquid spraying application parts.
In order to improve the pre-treatment effect of application parts; preferably; described pre-treating technology also comprises the hot wash operation; pre-degreasing process; second washing step; table is transferred operation; the 3rd washing step; the 4th washing step and pure water are washed at least one operation in the operation; described hot wash operation and pre-degreasing process are set in sequence in before the degreasing process; described second washing step and table transfer process sequence to be arranged between first washing step and the phosphatization operation; described the 3rd washing step; the 4th washing step and pure water are washed process sequence and are arranged on after the phosphatization operation; when the application parts since contingency in the hot wash operation; pre-degreasing process; degreasing process; first washing step; second washing step; table is transferred operation; the phosphatization operation; the 3rd washing step; when the 4th washing step and pure water are washed changeover portion between any two adjacent operations in the operation and are stopped, with protection liquid spraying application parts.
In order to prevent the application parts because contingency adheres to floating lacquer and dust when resting in the Electrophoresis Lab of finishing system; preferably; described coating process also comprises electrophoresis process; described electrophoresis process comprises that in proper order electrophoresis operation, the first ultrafiltration operation and pure water wash operation; when the application parts since contingency when electrophoresis operation, the first ultrafiltration operation and pure water are washed changeover portion between any two adjacent operations in the operation and are stopped, with protection liquid spraying application parts.
In order to improve the electrophoretic effects of application parts; preferably; described electrophoresis process also comprises at least one operation in the second ultrafiltration operation and the 3rd ultrafiltration operation; described second ultrafiltration operation and the 3rd ultrafiltration process sequence are arranged on the first ultrafiltration operation and pure water is washed between the operation; when the application parts since contingency when electrophoresis operation, the first ultrafiltration operation, the second ultrafiltration operation, the 3rd ultrafiltration operation and pure water are washed changeover portion between any two adjacent operations in the operation and are stopped, with protection liquid spraying application parts.
Can adopt various methods commonly used that the application parts are sprayed,, the application parts be sprayed as adopting shower nozzle as long as make the application parts keep moistening.
Described protection liquid can provide protection to the application parts for various; prevent the corrosion of application parts or attach the liquid that floats lacquer and dust; in order to save cost; preferably; described protection liquid is water; more preferably, the liquid that uses in the described pre-treating technology is water for industrial use, and the liquid that uses in the described electrophoresis process is pure water.
Each operation in the described coating process process is conventionally known to one of skill in the art, does not repeat them here.
The guard method of application parts is simple and easy to do in the coating process process provided by the invention, can prevent the corrosion of application parts effectively or adhere to floating lacquer and dust, and then improve the coating quality of application parts, reduced the percent defective of application parts.
Claims (15)
1. finishing system, this finishing system comprises pre-treatment chamber (1), be sequentially set with degreasing plant (7), first water washing device (8) and phosphating plant (9) in the pre-treatment chamber (1), it is characterized in that, also be provided with spray equipment (17) in the described pre-treatment chamber (1), described spray equipment (17) comprises at least one spray part (25), spray part (25) is arranged at least one as upper/lower positions, and this position is between two devices adjacent in degreasing plant (7), first water washing device (8) and the phosphating plant (9).
2. finishing system according to claim 1, wherein, described spray spare (25) is a plurality of, and part sprays part (25) and is positioned between degreasing plant (7) and first water washing device (8), and part sprays part (25) and is positioned between first water washing device (8) and the phosphating plant (9).
3. finishing system according to claim 1 and 2, wherein, also be provided with hot wash device (6) in the described pre-treatment chamber (1), pre-degreasing plant (18), second water washing device (19), table is transferred device (20), the 3rd water washing device (10), in the 4th water washing device (21) and the pure water cleaning device (22) at least one, described hot wash device (6) and pre-degreasing plant (18) are set in sequence in degreasing plant (7) before, described second water washing device (19) and table transfer device (20) to be set in sequence between first water washing device (8) and the phosphating plant (9), described the 3rd water washing device (10), the 4th water washing device (21) and pure water cleaning device (22) are set in sequence in phosphating plant (9) afterwards, described spray spare (25) also is arranged at least one as upper/lower positions, and this position is hot wash device (6), pre-degreasing plant (18), degreasing plant (7), first water washing device (8), second water washing device (19), table is transferred device (20), phosphating plant (9), the 3rd water washing device (10), in the 4th water washing device (21) and the pure water cleaning device (22) between adjacent two devices.
4. finishing system according to claim 1, wherein, this system also comprises Electrophoresis Lab (2), be sequentially set with electrophoretic apparatus (13), first ultrafiltration apparatus (14) and pure water cleaning device (15) in the Electrophoresis Lab (2), also be provided with spray equipment (17) in the Electrophoresis Lab (2), described spray equipment (17) comprises at least one spray part (25), spray part (25) is arranged at least one as upper/lower positions, and this position is between two devices adjacent in electrophoretic apparatus (13), first ultrafiltration apparatus (14) and the pure water cleaning device (15).
5. finishing system according to claim 4, wherein, also be provided with at least one in second ultrafiltration apparatus (23) and the 3rd ultrafiltration apparatus (24) in the described Electrophoresis Lab (2), described second ultrafiltration apparatus (23) and the 3rd ultrafiltration apparatus (24) are set in sequence between first ultrafiltration apparatus (14) and the pure water cleaning device (15), described spray spare (25) also is arranged at least one as upper/lower positions, and this position is electrophoretic apparatus (13), first ultrafiltration apparatus (14), second ultrafiltration apparatus (23), in the 3rd ultrafiltration apparatus (24) and the pure water cleaning device (15) between adjacent two devices.
6. according to any described finishing system among the claim 1-5, wherein, described spray equipment (17) comprises spray part (25) and water pipe (26), and described spray spare (25) is arranged on water pipe (26) and upward and with water pipe (26) communicates.
7. finishing system according to claim 6, wherein, described spray equipment (17) also comprises water supply unit (27) and switch (28), one end of described water pipe (26) communicates with water supply unit (27), the other end sealing of described water pipe (26), described switch (28) control water supply unit (27).
8. finishing system according to claim 6, wherein, described spray spare (25) is an atomizer.
9. finishing system according to claim 6, wherein, described water pipe (26) is provided with floss hole (5), and described floss hole is connected with valve on (5).
10. the guard method of application parts in the coating process process; described coating process comprises pre-treating technology; described pre-treating technology comprises degreasing process, first washing step and phosphatization operation in proper order; it is characterized in that; when the application parts because changeover portion and/or the changeover portion first washing step and phosphatization operation between when stopping, with the application parts of protection liquid spraying at least one changeover portion of contingency between the degreasing process and first washing step.
11. method according to claim 10, wherein, when the application parts stop owing to the changeover portion between any two adjacent operations of contingency in degreasing process, first washing step and phosphatization operation, with protection liquid spraying application parts.
12. method according to claim 10; wherein; described pre-treating technology also comprises the hot wash operation; pre-degreasing process; second washing step; table is transferred operation; the 3rd washing step; the 4th washing step and pure water are washed at least one operation in the operation; described hot wash operation and pre-degreasing process are set in sequence in before the degreasing process; described second washing step and table transfer process sequence to be arranged between first washing step and the phosphatization operation; described the 3rd washing step; the 4th washing step and pure water are washed process sequence and are arranged on after the phosphatization operation; when the application parts since contingency in the hot wash operation; pre-degreasing process; degreasing process; first washing step; second washing step; table is transferred operation; the phosphatization operation; the 3rd washing step; when the 4th washing step and pure water are washed changeover portion between any two adjacent operations in the operation and are stopped, with protection liquid spraying application parts.
13. method according to claim 10; wherein; described coating process also comprises electrophoresis process; described electrophoresis process comprises that in proper order electrophoresis operation, the first ultrafiltration operation and pure water wash operation; when the application parts since contingency when electrophoresis operation, the first ultrafiltration operation and pure water are washed changeover portion between any two adjacent operations in the operation and are stopped, with protection liquid spraying application parts.
14. method according to claim 13; wherein; described electrophoresis process also comprises at least one operation in the second ultrafiltration operation and the 3rd ultrafiltration operation; described second ultrafiltration operation and the 3rd ultrafiltration process sequence are arranged on the first ultrafiltration operation and pure water is washed between the operation; when the application parts since contingency when electrophoresis operation, the first ultrafiltration operation, the second ultrafiltration operation, the 3rd ultrafiltration operation and pure water are washed changeover portion between any two adjacent operations in the operation and are stopped, with protection liquid spraying application parts.
15. according to any described method among the claim 10-14, wherein, described protection liquid is water.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102580901A (en) * | 2012-03-12 | 2012-07-18 | 浙江华立涂装设备有限公司 | Cleaning system for pretreatment of coating |
| CN103357560A (en) * | 2013-07-12 | 2013-10-23 | 武汉钢铁(集团)公司 | Coating pretreatment analog device with functions of tank leaching and sprinkling |
| CN104399657A (en) * | 2014-12-04 | 2015-03-11 | 江西科技学院 | Automobile body coating method |
| CN104532325A (en) * | 2014-12-31 | 2015-04-22 | 天津市天玉名涂料科技有限公司 | Electrophoresis paint device for automatically removing electrophoresis floating paint |
| CN109423685A (en) * | 2017-08-30 | 2019-03-05 | 广东新会中集特种运输设备有限公司 | The coating process of container and the finishing system of container |
| CN110605536A (en) * | 2019-09-11 | 2019-12-24 | 奇瑞新能源汽车股份有限公司 | Manufacturing method of aluminum alloy vehicle body and vehicle with aluminum alloy vehicle body |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102580901A (en) * | 2012-03-12 | 2012-07-18 | 浙江华立涂装设备有限公司 | Cleaning system for pretreatment of coating |
| CN103357560A (en) * | 2013-07-12 | 2013-10-23 | 武汉钢铁(集团)公司 | Coating pretreatment analog device with functions of tank leaching and sprinkling |
| CN103357560B (en) * | 2013-07-12 | 2014-12-10 | 武汉钢铁(集团)公司 | Coating pretreatment analog device with functions of tank leaching and sprinkling |
| CN104399657A (en) * | 2014-12-04 | 2015-03-11 | 江西科技学院 | Automobile body coating method |
| CN104532325A (en) * | 2014-12-31 | 2015-04-22 | 天津市天玉名涂料科技有限公司 | Electrophoresis paint device for automatically removing electrophoresis floating paint |
| CN104532325B (en) * | 2014-12-31 | 2017-08-29 | 天津市天玉名涂料科技有限公司 | A kind of electrophoretic coating device of the floating paint of automatic cleaning electrophoresis |
| CN109423685A (en) * | 2017-08-30 | 2019-03-05 | 广东新会中集特种运输设备有限公司 | The coating process of container and the finishing system of container |
| CN110605536A (en) * | 2019-09-11 | 2019-12-24 | 奇瑞新能源汽车股份有限公司 | Manufacturing method of aluminum alloy vehicle body and vehicle with aluminum alloy vehicle body |
| EP3792166A1 (en) * | 2019-09-11 | 2021-03-17 | Chery New Energy Automobile Technology Co., Ltd. | Vehicle and method for manufacturing vehicle body |
| US11325666B2 (en) | 2019-09-11 | 2022-05-10 | Chery New Energy Automobile Technology Co., Ltd. | Vehicle and method for manufacturing vehicle body |
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| CN100574899C (en) | 2009-12-30 |
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