CN110578160A - electrophoresis coating production line - Google Patents
electrophoresis coating production line Download PDFInfo
- Publication number
- CN110578160A CN110578160A CN201911013930.XA CN201911013930A CN110578160A CN 110578160 A CN110578160 A CN 110578160A CN 201911013930 A CN201911013930 A CN 201911013930A CN 110578160 A CN110578160 A CN 110578160A
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- Prior art keywords
- tank
- degreasing
- washing
- ultrafiltration
- spray
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- 238000000576 coating method Methods 0.000 title claims abstract description 19
- 239000011248 coating agent Substances 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 238000001962 electrophoresis Methods 0.000 title claims description 34
- 238000005406 washing Methods 0.000 claims abstract description 98
- 238000005238 degreasing Methods 0.000 claims abstract description 80
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 62
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 61
- 238000004140 cleaning Methods 0.000 claims abstract description 28
- 238000005507 spraying Methods 0.000 claims abstract description 23
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910000077 silane Inorganic materials 0.000 claims abstract description 14
- 238000001035 drying Methods 0.000 claims abstract description 10
- 239000007921 spray Substances 0.000 claims description 57
- 239000013527 degreasing agent Substances 0.000 claims description 27
- 239000003973 paint Substances 0.000 claims description 26
- 238000005237 degreasing agent Methods 0.000 claims description 23
- 238000007667 floating Methods 0.000 claims description 17
- 239000007788 liquid Substances 0.000 claims description 13
- 238000007654 immersion Methods 0.000 claims description 11
- 238000010992 reflux Methods 0.000 claims description 11
- 238000011084 recovery Methods 0.000 claims description 9
- 238000009826 distribution Methods 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 2
- 238000004070 electrodeposition Methods 0.000 claims 6
- 230000000694 effects Effects 0.000 abstract description 7
- 239000012528 membrane Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 238000004064 recycling Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 3
- 230000003749 cleanliness Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000004017 vitrification Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D13/00—Electrophoretic coating characterised by the process
- C25D13/20—Pretreatment
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D13/00—Electrophoretic coating characterised by the process
- C25D13/22—Servicing or operating apparatus or multistep processes
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D13/00—Electrophoretic coating characterised by the process
- C25D13/22—Servicing or operating apparatus or multistep processes
- C25D13/24—Regeneration of process liquids
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
the invention discloses an electrophoretic coating production line, which solves the problem of insufficient cleaning effect of each cleaning link in the electrophoretic coating process in the prior art, and has the technical key points that: an electrophoretic coating production line comprises a degreasing wash tank, a first washing workshop, a silane wash tank, a second washing workshop, an electrophoretic tank, an ultrafiltration wash tank, a drying workshop and hanging conveying rails arranged above all processing parts, wherein the degreasing wash tank comprises a pre-degreasing wash tank and a main degreasing wash tank which are sequentially arranged along a conveying direction; the second water washing workshop comprises a hot pure water washing tank and a pure water spraying tank which are sequentially arranged along the conveying direction. The workpiece can be smoothly cleaned before the next operation, so that the subsequent workpieces can be smoothly subjected to electrophoretic coating, the quality of the electrophoretic coating is effectively controlled, and the yield is improved.
Description
Technical Field
the invention relates to the technical field of coating processes, in particular to an electrophoretic coating production line.
Background
Electrophoretic coating is a subsequent processing technology for directionally transferring and depositing particles such as pigment and resin suspended in electrophoretic liquid on the surface of a workpiece to be coated on one of electrodes by using an external electric field, and is generally used for coating operation of the surface of the workpiece such as aluminum profile and the like.
Chinese patent No. CN205443488U discloses a pretreatment and electrophoresis apparatus for an electrophoretic coating line. It includes interconnect's washing degreasing system, electrophoresis system and ultrafiltration cleaning system, washing degreasing system is including the hot-water tank that connects gradually, the degreasing bath, the wash bowl, vitrification groove and pure water tank, the electrophoresis system includes electrophoresis tank and electrophoresis transfer tank, ultrafiltration cleaning system is including the first ultrafiltration washing tank that connects gradually, secondary ultrafiltration washing tank and cubic ultrafiltration washing tank, washing degreasing system, electrophoresis system and ultrafiltration cleaning system top are equipped with and are used for hanging the work piece and by the braced chain of washing degreasing system to ultrafiltration cleaning system's direction motion.
However, in the above scheme, in the process of coating and processing the workpiece, the degreasing agent is used for degreasing, and then only one-time washing is performed, and the workpiece still may have residual degreasing agent.
Disclosure of Invention
The invention aims to provide an electrophoretic coating production line which has excellent washing effect in all links and ensures the processing high-quality product rate of final workpieces.
The invention is realized by the following technical scheme:
An electrophoresis coating production line is characterized in that: including setting gradually:
The degreasing bath is used for degreasing the surface of the workpiece;
the first washing workshop is used for washing the degreasing agent on the surface of the workpiece;
The silane washing tank is used for passivating the surface of the workpiece;
The second washing workshop is used for washing the liquid silane on the surface of the workpiece;
the electrophoresis tank is used for carrying out electrophoresis on the surface of the workpiece to adhere paint to form a paint film;
the ultrafiltration washing tank is used for washing away floating paint adhered to the surface of the workpiece and recycling the floating paint;
The drying workshop is used for drying the paint film on the workpiece;
The suspension conveying rail is arranged above each processing part and is used for conveying the workpieces to pass through each processing part in sequence;
The degreasing washing tank comprises a pre-degreasing washing tank and a main degreasing washing tank which are sequentially arranged along the conveying direction, and the first washing workshop comprises an immersion washing tank, a spraying washing tank and a pure water spraying tank which are sequentially arranged along the conveying direction of the workpiece; the second water washing workshop comprises a hot pure water washing tank and a pure water spraying tank which are sequentially arranged along the conveying direction.
By adopting the technical scheme, after a machined workpiece is hung on the hanging conveying rail, the machined workpiece firstly enters the degreasing wash tank to degrease the surface of the workpiece, two groups of wash tanks are arranged in the degreasing wash tank, the pre-degreasing wash tank and the main degreasing wash tank realize degreasing twice, the pre-degreasing wash tank can remove most of greasy dirt on the surface under the immersion condition, and the main degreasing wash tank can wash the surface of the workpiece under the spraying effect and simultaneously realize deep removal of the greasy dirt on the surface of the workpiece, so that the subsequent electrophoresis effect is improved; in subsequent first washing workshop and second washing workshop equally because including the multiunit washtrough in it, the submergence washing tank, spray washing tank and pure water spray tank and can carry out the degree of depth to the degreaser on the work piece and wash, but hot pure water washtrough and pure water spray tank can carry out the degree of depth to the liquid silane that the work piece surface is stained with and attaches twice and wash, realize that the work piece all can have higher cleanliness factor smoothly before carrying out operation on next step, make follow-up work piece can carry out the electrophoresis application smoothly, and make the quality of electrophoresis application obtain effective control, the yields is improved.
Further setting the following steps: the pure water sprays tank bottom with spray between the washing tank top and spray the washing tank bottom with all be equipped with first reflux pipe between the submergence washing tank, two sets of first reflux pipe respectively with spray the washing tank and the water piping connection of submergence washing tank, be provided with first reflux pump on the first reflux pipe.
by adopting the technical scheme, most of the degreasing agent on the workpiece is cleaned in the immersion cleaning tank, the degreasing agent content in the pure water after the workpiece is cleaned by the spray cleaning tank behind the workpiece is low enough to meet the requirement of performing first-step treatment on the workpiece, the degreasing agent content in the final pure water spray tank is low enough to meet the requirement of performing second-step treatment on the workpiece, and then the used pure water in the pure water spray tank flows back to the spray cleaning tank for second-time degreasing agent washing by virtue of the first return pipe, the used water at the bottom of the immersion cleaning tank can continue to flow back to the immersion cleaning tank for preliminary cleaning by virtue of the first return pipe, so that the cost of the pure water is obviously reduced while the workpiece is fully cleaned.
Further setting the following steps: the degreasing device is characterized in that the pre-degreasing wash tank and the main degreasing wash tank are both connected with a degreasing agent liquid inlet pipe, a second return pipe is arranged between the bottom of the main degreasing wash tank and the pre-degreasing wash tank and communicated with the degreasing agent liquid inlet pipe of the pre-degreasing wash tank, and a second return pump for conveying a degreasing agent out of the main degreasing wash tank is arranged on the second return pipe.
By adopting the technical scheme, the back flow of the back flow pipe is consistent with the back flow of the pure water, the second back flow pipe can enable the degreasing agent with lower oil stain content in the rear main degreasing washing tank to flow back to the pre-degreasing washing tank for recycling, and the consumption cost of the degreasing agent is reduced while the degreasing quality is met.
further setting the following steps: the pure water spray tank bottom with be provided with the third back flow between the hot pure water washtrough, be provided with the third backwash pump on the third back flow, the third back flow with between the hot pure water washtrough be provided with electric heater on the third back flow.
Through adopting above-mentioned technical scheme, with the pure water backward flow of above-mentioned washing degreasing agent uses unanimously, the third back flow can be with being in the used pure water of the pure water spray tank in rear and carry out the recycle to the hot pure water washtrough in, receive electric heater in transportation process simultaneously and heat, realize effectively eliminating the remaining silane on the work piece that gets into in the hot pure water washtrough.
further setting the following steps: the ultrafiltration washing tank comprises a first ultrafiltration spraying tank, a second ultrafiltration spraying tank and a pure water washing tank which are sequentially arranged along the conveying direction of a workpiece, the first ultrafiltration spraying tank and the second ultrafiltration spraying tank are both provided with UF ultrafiltration membranes, the first ultrafiltration spraying tank and the second ultrafiltration spraying tank are both provided with recovery pipes for returning floating paint filtered by the UF ultrafiltration membranes to the electrophoresis tank, and the other ends of the recovery pipes are connected with the electrophoresis tank.
by adopting the technical scheme, after the ultrafiltration is dissolved and washed with the floating paint on the workpiece, the floating paint and the ultrafiltration can be separated and filtered through the UF ultrafiltration membrane, and finally the floating paint at the separation part is sent back to the electrophoresis tank for reuse by virtue of the recovery pipe, so that the consumption of the floating paint is effectively reduced, and the cost is reduced.
Further setting the following steps: first ultrafiltration spray tank with second ultrafiltration spray tank bottom is provided with the circulating pipe, the circulating pipe other end is connected with same ultrafiltrate circulation groove, ultrafiltrate circulation groove with first ultrafiltration spray tank and all be provided with the feed pipe between the second ultrafiltration spray tank top and spray the pump.
By adopting the technical scheme, the ultrafiltrate filtered and separated by the UF ultrafiltration membrane enters the ultrafiltrate circulation tank through the circulation pipe to be utilized, so that the ultrafiltrate can be repeatedly used, the consumption of the ultrafiltrate is reduced, and the production cost is reduced.
Further setting the following steps: the projection of hanging the delivery rail on the horizontal plane is snakelike around establishing, and each processing portion is in hang delivery rail below and be snakelike around establishing the distribution.
Through adopting above-mentioned technical scheme, reduce the occupation space of whole electrophoresis coating production line, make the space compacter, and then make work piece processing consuming time shorter, machining efficiency is faster, and space cost also obtains saving.
in conclusion, the beneficial technical effects of the invention are as follows:
(1) after each processing procedure, the workpiece is cleaned for multiple times in modes of immersion, spraying and the like, so that the cleaning degree of the workpiece before entering the next procedure is ensured, and the electrophoresis quality of the workpiece is finally improved;
(2) the cleaning water in each cleaning stage is repeatedly utilized, and the production cost is effectively reduced.
drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Reference numerals: 1. degreasing and washing the tank; 2. a first washing workshop; 3. a silane washing tank; 4. a second washing workshop; 5. an electrophoresis tank; 6. an ultrafiltration rinse tank; 7. a drying workshop; 8. suspending the conveying rail; 9. pre-degreasing and washing the tank; 10. a main degreasing washing tank; 11. a degreasing agent liquid inlet pipe; 12. a second return pipe; 13. a second reflux pump; 14. immersing the cleaning tank; 15. spraying a cleaning tank; 16. a pure water spray tank; 17. a first return pipe; 18. a first reflux pump; 19. a third return conduit; 20. a third reflux pump; 21. an electric heater; 22. a first ultra-filtration spray tank; 23. a second ultra-filtration spray tank; 24. a hot pure water washing tank; 25. a recovery pipe; 26. a circulation pipe; 27. an ultrafiltrate circulation tank; 28. a liquid supply tube; 29. and (4) a spray pump.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the electrophoretic coating production line disclosed by the invention comprises a degreasing washing tank 1, a first washing workshop 2, a silane washing tank 3, a second washing workshop 4, an electrophoretic tank 5, an ultrafiltration washing tank 6, a drying workshop 7 and a hanging conveying rail 8 which are arranged above all processing parts, wherein the degreasing washing tank, the silane washing tank, the second washing workshop 4, the electrophoretic tank 5, the ultrafiltration washing tank 6 and the drying workshop 7 are sequentially arranged. The degreasing bath 1 is used for degreasing the surface of a workpiece; the first washing workshop 2 is used for washing the degreasing agent on the surface of the workpiece; the silane washing tank 3 is used for passivating the surface of a workpiece; the second washing workshop 4 is used for washing the liquid silane on the surface of the workpiece; the electrophoresis tank 5 is used for carrying out electrophoresis on the surface of the workpiece to adhere paint to form a paint film; the ultrafiltration washing tank 6 is used for washing away floating paint adhered to the surface of the workpiece and recycling the floating paint; the drying workshop 7 is used for drying the paint film on the workpiece; hang and carry rail 8 to be used for carrying the work piece to pass through each processing portion in proper order, and hang the projection of carrying rail 8 on the horizontal plane and be snakelike winding and establish for each processing portion is snakelike winding and establishes the distribution hanging carrying rail 8 below, and then reduces the occupation space of whole electrophoresis coating production line, makes the space compacter, and then makes work piece processing consuming time shorter, and machining efficiency is faster, and makes space cost also saved.
Referring to fig. 1, wherein, degreasing bath 1 includes pre-degreasing bath 9 and main degreasing bath 10 degreasing bath 1 that set gradually along direction of delivery, after the work piece hangs to hanging transport rail 8, will take first place to carry out the degreasing and degreasing of workpiece surface in degreasing bath 1, set up two sets of baths in degreasing bath 1, be submerged pre-degreasing bath 9 and spray-type main degreasing bath 10 degreasing bath 1 respectively, pre-degreasing bath 9 can remove most greasy dirt on the surface under the submergence condition, main degreasing bath 10 degreasing bath 1 realizes the degree of depth and gets rid of the greasy dirt on workpiece surface when then rinsing workpiece surface under the spraying effect, and then improves follow-up electrophoresis effect. Meanwhile, the pre-degreasing wash tank 9 and the main degreasing wash tank 10 are both connected with a degreasing agent liquid inlet pipe 11, a second return pipe 12 is arranged between the bottom of the main degreasing wash tank 10 and the pre-degreasing wash tank 9, the second return pipe 12 is communicated with the degreasing agent liquid inlet pipe 11 of the pre-degreasing wash tank 9, and a second return pump 13 is arranged on the second return pipe 12 and used for conveying the degreasing agent at the bottom of the main degreasing wash tank 10 and the degreasing wash tank 1 to the pre-degreasing wash tank 9. The second return pipe 12 can make the degreasing agent with lower oil stain content in the degreasing bath 1 of the rear main degreasing bath 10 return to the pre-degreasing bath 9 for recycling, so that the degreasing quality is met, and the consumption cost of the degreasing agent is reduced.
Referring to fig. 1, subsequent first washing workshop 2 and second washing workshop 4 equally include the multiunit washtrough, first washing workshop 2 is including the submergence washing tank 14 that sets gradually, it can carry out the degree of depth to wash to spray washing tank 15 and pure water spray tank 16 to the degreasing agent on the work piece, and hot pure water washtrough 24 and pure water spray tank 16 can carry out the degree of depth to the liquid silane that the work piece surface is stained with twice and washes, it has higher cleanliness factor to realize that the work piece all can be smoothly before carrying out operation on next step, make follow-up work piece carry out the electrophoresis application smoothly, and make the quality of electrophoresis application obtain effective control, the yield is improved.
Referring to fig. 1, meanwhile, first return pipes 17 are also respectively disposed between the bottom of the pure water spray tank 16 and the top of the spray cleaning tank 15, and between the bottom of the spray cleaning tank 15 and the immersion cleaning tank 14, the two sets of first return pipes 17 are respectively connected to the water inlet pipes of the spray cleaning tank 15 and the immersion cleaning tank 14, and the first return pipes 17 are provided with first return pumps 18. The pure water used by the pure water spraying tank 16 flows back to the spraying cleaning tank 15 for washing by the second degreasing agent by the first return pipe 17, and the water used at the bottom of the immersion cleaning tank 14 can continuously flow back to the immersion cleaning tank 14 for primary cleaning by the first return pipe 17, so that the workpiece is fully cleaned, and the cost of the pure water is obviously reduced.
Referring to fig. 1, the second washing plant 4 includes a pure water spray tank 16 and a hot pure water wash tank 24, a third return pipe 19 is disposed between the bottom of the pure water spray tank 16 and the hot pure water wash tank 24 in the second washing plant 4, a third return pump 20 is disposed on the third return pipe 19, and an electric heater 21 is disposed on the third return pipe 19 between the third return pipe 19 and the hot pure water wash tank 24. The third return pipe 19 can convey the pure water used by the pure water spray tank 16 at the rear to the hot pure water washing tank 24 for reuse, and is heated by the electric heater 21 in the conveying process, so that the residual silane on the workpiece entering the hot pure water washing tank 24 can be effectively eliminated.
The ultrafiltration cleaning tank 6 comprises a first ultrafiltration spray tank 22, a second ultrafiltration spray tank 23 and a pure water spray tank 16 which are sequentially arranged along the conveying direction of a workpiece, UF ultrafiltration membranes are arranged in the first ultrafiltration spray tank 22 and the second ultrafiltration spray tank 23, recovery pipes 25 used for returning floating paint filtered by the UF ultrafiltration membranes to the electrophoresis tank 5 are arranged in the first ultrafiltration spray tank 22 and the second ultrafiltration spray tank 23, and the other ends of the recovery pipes 25 are connected with the electrophoresis tank 5. After the ultrafiltration is dissolved and washed with the floating paint on the workpiece, the ultrafiltration membrane UF can be used for separation and filtration, the floating paint and the ultrafiltration are separated, and finally the floating paint at the separation part is sent back to the electrophoresis tank 5 for reuse by virtue of the recovery pipe 25, so that the consumption of the floating paint is effectively reduced, and the cost is reduced. Meanwhile, circulation pipes 26 are arranged at the bottoms of the first ultrafiltration spraying groove 22 and the second ultrafiltration spraying groove 23, the other ends of the two circulation pipes 26 are connected with the same ultrafiltrate circulation groove 27, and a liquid supply pipe 28 and a spraying pump 29 are arranged between the ultrafiltrate circulation groove 27 and the tops of the first ultrafiltration spraying groove 22 and the second ultrafiltration spraying groove 23. And then the ultrafiltrate filtered and separated by the UF ultrafiltration membrane enters an ultrafiltrate circulating groove 27 through a circulating pipe 26 to be utilized, so that the ultrafiltrate can be repeatedly used, the consumption of the ultrafiltrate is reduced, and the production cost is further reduced.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (7)
1. An electrophoresis coating production line is characterized in that: including setting gradually:
The degreasing bath (1) is used for degreasing the surface of a workpiece;
the first washing workshop (2) is used for washing the degreasing agent on the surface of the workpiece;
the silane washing tank (3) is used for passivating the surface of a workpiece;
The second washing workshop (4) is used for washing the liquid silane on the surface of the workpiece;
the electrophoresis tank (5) is used for carrying out electrophoresis adhesion of paint on the surface of the workpiece to form a paint film;
The ultrafiltration cleaning tank (6) is used for washing away floating paint attached to the surface of the workpiece and recovering the floating paint;
A drying workshop (7) for drying the paint film on the workpiece;
and a suspension conveying rail (8) arranged above each processing part and used for conveying the workpieces to pass through each processing part in sequence;
The degreasing washing tank (1) comprises a pre-degreasing washing tank (9) and a main degreasing washing tank (10) which are sequentially arranged along the conveying direction, and the degreasing washing tank (1) comprises an immersion washing tank (14), a spray washing tank (15) and a pure water spray tank (16) which are sequentially arranged along the conveying direction of the workpiece; the second water washing workshop (4) comprises a hot pure water washing tank (24) and a pure water spraying tank (16) which are sequentially arranged along the conveying direction.
2. An electrocoating line according to claim 1, characterised in that: the pure water sprays groove (16) bottom with spray between washing tank (15) top, and spray washing tank (15) bottom with all be equipped with first reflux pipe (17) between submergence washing tank (14), two sets of first reflux pipe (17) respectively with spray washing tank (15) and the water piping connection of submergence washing tank (14), be provided with first reflux pump (18) on first reflux pipe (17).
3. An electrocoating line according to claim 1, characterised in that: pre-degreasing wash tank (9) with main degreasing wash tank (10) degreasing wash tank (1) all is connected with degreaser feed liquor pipe (11), the bottom of main degreasing wash tank (10) degreasing wash tank (1) with be provided with second back flow (12) between pre-degreasing wash tank (9), second back flow (12) with pre-degreasing wash tank (9) degreaser feed liquor pipe (11) intercommunication, be provided with on second back flow (12) with second backwash pump (13) that the degreaser sent out in main degreasing wash tank (10) degreasing wash tank (1).
4. An electrocoating line according to claim 1, characterised in that: a third return pipe (19) is arranged between the bottom of the pure water spraying tank (16) and the hot pure water washing tank (24), a third return pump (20) is arranged on the third return pipe (19), and an electric heater (21) is arranged on the third return pipe (19) between the third return pipe (19) and the hot pure water washing tank (24).
5. an electrocoating line according to claim 1, characterised in that: ultrafiltration washing tank (6) are including the first ultrafiltration spray tank (22), second ultrafiltration spray tank (23) and pure water spray tank (16) that set gradually along work piece direction of delivery, first ultrafiltration spray tank (22) with all be provided with the UF milipore filter in second ultrafiltration spray tank (23), first ultrafiltration spray tank (22) and second ultrafiltration spray tank (23) all are provided with be used for with the filterable floating paint of UF milipore filter is sent back recovery tube (25) of electrophoresis tank (5), recovery tube (25) the other end with electrophoresis tank (5) are connected.
6. An electrocoating line according to claim 5, characterised in that: first ultrafiltration sprays groove (22) with second ultrafiltration sprays groove (23) bottom is provided with circulating pipe (26), the circulating pipe (26) other end is connected with same ultrafiltrate circulation groove (27), ultrafiltrate circulation groove (27) with first ultrafiltration sprays groove (22) and all be provided with feed pipe (28) and spray pump (29) between second ultrafiltration sprays groove (23) top.
7. an electrocoating line according to claim 1, characterised in that: hang and carry rail (8) projection on the horizontal plane to be snakelike around establishing, each processing portion is in hang and carry rail (8) below to be snakelike around establishing the distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911013930.XA CN110578160A (en) | 2019-10-23 | 2019-10-23 | electrophoresis coating production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911013930.XA CN110578160A (en) | 2019-10-23 | 2019-10-23 | electrophoresis coating production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110578160A true CN110578160A (en) | 2019-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911013930.XA Pending CN110578160A (en) | 2019-10-23 | 2019-10-23 | electrophoresis coating production line |
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| Country | Link |
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| CN (1) | CN110578160A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111235620A (en) * | 2020-03-09 | 2020-06-05 | 天津合力嘉科技有限公司 | Electrophoresis coating process for vehicle frame |
| CN113293422A (en) * | 2021-05-08 | 2021-08-24 | 临澧金华天机械制造有限公司 | Automatic coating equipment for standard knot |
| CN113881996A (en) * | 2020-12-15 | 2022-01-04 | 邢台职业技术学院 | Steel pipe surface treatment production line |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111235620A (en) * | 2020-03-09 | 2020-06-05 | 天津合力嘉科技有限公司 | Electrophoresis coating process for vehicle frame |
| CN111235620B (en) * | 2020-03-09 | 2021-09-28 | 天津合力嘉科技有限公司 | Electrophoresis coating process for vehicle frame |
| CN113881996A (en) * | 2020-12-15 | 2022-01-04 | 邢台职业技术学院 | Steel pipe surface treatment production line |
| CN113293422A (en) * | 2021-05-08 | 2021-08-24 | 临澧金华天机械制造有限公司 | Automatic coating equipment for standard knot |
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Application publication date: 20191217 |