CN113445106B - Electrophoresis tank liquid circulating system and using method thereof - Google Patents
Electrophoresis tank liquid circulating system and using method thereof Download PDFInfo
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- CN113445106B CN113445106B CN202110838706.5A CN202110838706A CN113445106B CN 113445106 B CN113445106 B CN 113445106B CN 202110838706 A CN202110838706 A CN 202110838706A CN 113445106 B CN113445106 B CN 113445106B
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- hub
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- 238000001962 electrophoresis Methods 0.000 title claims abstract description 70
- 239000007788 liquid Substances 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 17
- 210000005239 tubule Anatomy 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 4
- 230000007547 defect Effects 0.000 abstract description 14
- 239000003973 paint Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
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- 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
- C25D13/12—Electrophoretic coating characterised by the process characterised by the article coated
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
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Abstract
The invention discloses an electrophoresis tank liquid circulating system and a using method thereof, and the electrophoresis tank liquid circulating system comprises a main circulating pipeline pipe arranged at the bottom of an electrophoresis tank, wherein a branch pipeline is arranged on the main circulating pipeline pipe and comprises a first thin pipe and a second thin pipe which are vertically arranged and communicated with the main circulating pipeline pipe, and the width between the first thin pipe and the second thin pipe is not less than the width of a hub; a first nozzle is arranged on the first thin tube in an inclined upward direction, a second nozzle is arranged on the second thin tube in an inclined upward direction, and the first nozzle and the second nozzle are arranged in an opposite direction; the nozzle at the highest position is lower than the liquid level of the electrophoresis liquid in the electrophoresis tank; the using method comprises the following steps: hanging the hub on a hanger of a hub conveying line; opening an electrophoresis tank liquid circulating system and a valve thereof; starting a hub conveying line, and immersing the hub below the liquid level of the electrophoretic liquid; and after the electrophoresis is finished, closing the valve and conveying the hub to the next procedure. The invention solves the technical problem of high product ratio of automobile hub electrophoresis defects by an extremely simple and ingenious scheme.
Description
Technical Field
The invention belongs to the technical field of hub electrophoresis, and particularly relates to an electrophoresis tank liquid circulation system and a use method thereof.
Background
In the electrophoretic coating process of the automobile hub, the condition that an electrophoretic paint film cannot be coated on the top of the R arc surface of the automobile hub frequently occurs (the automobile hub with the condition is called as an electrophoretic defect product), and the corrosion resistance of a workpiece is influenced.
Therefore, the conventional solution is to shake the suspended automobile hub or the automobile hub hanger through an operator or a special shaking tool, although the method can better avoid the situation that the top of the R arc surface of the automobile hub cannot be coated with an electrophoretic paint film, the method is limited by the operation error of the operator, about 29% of electrophoretic defect products still exist in the batch production process, the special shaking tool can avoid the operation error, but only can control the proportion of the electrophoretic defect products to be 15-20%, and the technical problems of production line transformation and high implementation cost exist.
Disclosure of Invention
The invention aims to provide an electrophoresis tank liquid circulating system and a using method thereof, which are at least used for solving the problem of over high proportion of products with electrophoresis defects of automobile hubs.
In order to achieve the above object, the present invention adopts the following technical solutions.
The utility model provides an electrophoresis tank liquid circulation system, is responsible for its characterized in that including the circulation pipeline that sets up in the electrophoresis tank bottom: a branch pipeline is arranged on the main pipe of the circulating pipeline, the branch pipeline comprises a first thin pipe and a second thin pipe which are vertically arranged and communicated with the main pipe of the circulating pipeline, and the width between the first thin pipe and the second thin pipe is not less than the width of the hub (the width of the hub refers to the thickness of the hub in the axial direction); a first nozzle is arranged on the first thin tube in an inclined upward direction, a second nozzle is arranged on the second thin tube in an inclined upward direction, and the first nozzle and the second nozzle are arranged in an opposite direction; the highest nozzle is lower than the liquid level of the electrophoretic liquid in the electrophoresis tank.
As a preferable scheme of the invention, the included angle between the first nozzle axis and the second nozzle axis and the vertical direction is 42-50 degrees.
As a preferable scheme of the invention, the first tubule and the second tubule are connected from the branch pipe.
In order to facilitate the operation, valves are respectively arranged on the branch pipe, the first thin pipe and the second thin pipe.
In order to further reduce the proportion of the automobile hub electrophoresis defect products, the inner diameters of the first tubule and the second tubule are not larger than 1/4 of the inner diameter of the main pipe of the circulating pipeline.
In order to improve the safety of the electrophoresis tank liquid circulating system, the pipe of the branch pipeline, the nozzle and the valve are made of PVC materials.
In order to further reduce the proportion of automobile wheel hub electrophoresis defect products and improve electrophoresis efficiency, the electrophoresis tank liquid circulation system further comprises a wheel hub conveying line, wherein partial sections of the wheel hub conveying line are of a concave structure, so that the wheel hub conveyed into the electrophoresis tank can be immersed into the electrophoresis liquid, and the extension line of the axis of the nozzle is ensured to be over against the top of the R arc surface of the wheel hub.
The application method based on the electrophoresis tank liquid circulating system is characterized by comprising the following steps:
and 4, after electrophoresis is finished, closing the valve and conveying the hub to the next procedure.
Further, in the step 3, after the hub is submerged below the liquid level of the electrophoretic liquid, the height of the hub is adjusted until the extension line of the axis of the nozzle is opposite to the top of the R arc surface of the hub.
In step 2, for convenience of operation, opening the valves means that the valves on the first thin tube and the second thin tube are opened firstly, and then the valves on the branch tubes are opened; in step 4, closing the valve means closing the valve on the branch pipe.
Has the advantages that: the invention solves the technical problem of high proportion of the automobile hub electrophoresis defect product by a very simple and ingenious scheme, can reduce the proportion of the automobile hub electrophoresis defect product to 0 percent on the basis of not increasing the running and energy consumption cost (each set of electrophoresis tank liquid circulating system only needs to invest about 400 yuan of modification cost), and ensures the whole paint film protection effect of the product; the electrophoresis tank liquid circulating system is simple in structure and convenient to use.
Drawings
FIG. 1 is a partial schematic view of a liquid circulation system of an electrophoresis tank in example 1;
FIG. 2 is a schematic view showing a partial operation state of a circulating system of an electrophoresis tank liquid in example 1;
FIG. 3 is a partial schematic view of a liquid circulation system of an electrophoresis tank in example 2.
Detailed Description
The technical solutions of the present invention will be further explained below, but the following examples are only used to help understanding the principle of the present invention and the core idea thereof, and do not limit the scope of the present invention.
Example 1
As shown in fig. 1, an electrophoresis tank liquid circulation system comprises a main circulation pipeline pipe 10 arranged at the bottom of an electrophoresis tank, wherein the orifice of the main circulation pipeline pipe 10 is positioned at the bottom of an electrophoresis tank cavity so as to facilitate movement of sediment at the bottom of the electrophoresis tank, a plurality of branch pipelines are arranged on the main circulation pipeline pipe 10, each branch pipeline comprises a first thin pipe 2 and a second thin pipe 7 which are vertically arranged and communicated with the main circulation pipeline pipe 10, and the width between the first thin pipe 2 and the second thin pipe 7 is not less than the width of a hub; a first nozzle 1 is arranged on the first thin tube 2 in an inclined upward direction, a second nozzle 8 is arranged on the second thin tube 7 in an inclined upward direction, and the first nozzle 1 and the second nozzle 8 are arranged in opposite directions; the highest nozzle is lower than the electrophoresis liquid level 9 in the electrophoresis tank. Wherein, the included angles between the axis of the first nozzle 1 and the axis of the second nozzle 8 and the vertical direction are 45 degrees; the first thin tube 2 and the second thin tube 7 are connected from the branch tube 6; valves 5 are respectively arranged on the branch pipe 6, the first tubule 2 and the second tubule 7, and the valves 5 are positioned above the liquid level 9 of the electrophoretic liquid so as to facilitate operation; 1/4 that the inner diameters of the first tubule 2 and the second tubule 7 are not more than the inner diameter of the main pipe 10 of the circulating pipeline; the pipe of the branch pipeline, the nozzle and the valve are made of PVC materials. As shown in fig. 2, the electrophoresis tank liquid circulation system further includes a hub conveying line 11, wherein a section of the hub conveying line 11 is in a concave structure, so that the hub 3 conveyed into the electrophoresis tank can be submerged into the electrophoresis liquid, and an extension line of the nozzle axis is ensured to be opposite to a vertex of the R arc surface of the hub 3. In fig. 2, the height is calculated in advance, and after the hub 3 runs to the horizontal section of the hub conveying line 11, the extension line of the axis of the nozzle just faces the top of the R-arc surface of the hub 3.
In this embodiment, the number of the first nozzles 1 on each tubule one 2 is three, and the number of the second nozzles 8 on each tubule two 7 is three. The hub conveying line 11 penetrates through the lower portion of the horizontal pipe section of the branch pipe 6, 1-3 hubs 3 can be hung on a single hanger 4 of the hub conveying line 11, the uppermost hub corresponds to the uppermost nozzle, and the lowermost hub corresponds to the lowermost nozzle.
In this embodiment, the first tubule 2 and the second tubule 7 are both installed at the groove edge of the electrophoresis tank, and the left and right groove edges are respectively installed with one tubule. The valve 5 adopts a regulating valve so as to realize the adjustability of the circulating pressure and simultaneously facilitate the handling of emergency situations.
Referring to fig. 2, the running direction of the hub 3 is indicated by an arrow, and the method of using the electrophoresis tank liquid circulation system in this embodiment includes the following steps:
and 4, after electrophoresis is finished, closing the valve on the branch pipe 6, and conveying the hub 3 to the next procedure.
The automobile hub is subjected to batch electrophoresis treatment by adopting the scheme in the embodiment and compared with a conventional production mode, the conditions are shown in table 1,
TABLE 1 cases of batch electrophoresis treatment of automobile hubs
| Scheme(s) | Electrophoresis defect (air bubble on the top of the R arc surface of the wheel hub) | Total number of productions | Product defect ratio of electrophoresis defect |
| Without any treatment | 12 pieces/day | 12 pieces/day | 100％ |
| Manually-assisted panic shaking | 102 pieces/day | 144 pieces/day | 71％ |
| Example 1 the scheme | 0 pieces/day | 432 pieces/day | 0％ |
This embodiment has solved automobile wheel hub electrophoresis defect product with extremely simple and ingenious scheme and has accounted for high technical problem, on the basis that does not increase operation, energy consumption cost (every set of electrophoresis tank liquid circulation system also only needs to drop into about 400 yuan of transformation expenses, including material cost and labour cost), can reduce the proportion of automobile wheel hub electrophoresis defect product to 0%, has guaranteed the whole paint film guard action of product, and this kind of electrophoresis tank liquid circulation system simple structure, facilitates the use.
Example 2
An electrophoresis tank liquid circulation system and a using method thereof are disclosed with reference to example 1 and combined with figure 3, which is different from example 1 in that: the hub conveyor line 11 is located above the horizontal pipe section of the branch pipe 6, but the operating handle of the valve needs to be led out to be above the liquid level 9 of the electrophoretic liquid for operation.
In other embodiments, the height of the hub can also be adjusted by manual adjustment until the extension line of the nozzle axis is opposite to the top of the R-arc surface of the hub 3.
Claims (7)
1. The utility model provides an electrophoresis tank liquid circulation system, is responsible for (10) including the circulation pipeline that sets up in the electrophoresis tank bottom, its characterized in that: a branch pipeline is arranged on the main circulating pipeline pipe (10), the branch pipeline comprises a first thin pipe (2) and a second thin pipe (7) which are vertically arranged and communicated with the main circulating pipeline pipe (10), and the width between the first thin pipe (2) and the second thin pipe (7) is not less than the width of a hub; a first nozzle (1) is arranged on the first thin tube (2) in an inclined upward manner, a second nozzle (8) is arranged on the second thin tube (7) in an inclined upward manner, and the first nozzle (1) and the second nozzle (8) are arranged in opposite directions; the highest nozzle is lower than the liquid level (9) of the electrophoresis liquid in the electrophoresis tank, and the included angles between the axial line of the first nozzle (1) and the axial line of the second nozzle (8) and the vertical direction are 42-50 degrees; the electrophoresis tank liquid circulating system further comprises a hub conveying line (11), wherein partial sections of the hub conveying line (11) are of a concave structure, so that the hub (3) conveyed into the electrophoresis tank can be immersed into electrophoresis liquid, and the extending line of the axis of the nozzle is ensured to be over against the top point of the R arc surface of the hub (3).
2. An electrophoresis tank liquid circulation system according to claim 1 wherein: the first tubule (2) and the second tubule (7) are connected from the branch pipe (6).
3. An electrophoresis tank liquid circulation system according to claim 2 wherein: valves (5) are respectively arranged on the branch pipe (6), the first tubule (2) and the second tubule (7).
4. An electrophoresis tank liquor circulation system according to any one of claims 1 to 3 wherein: the inner diameters of the first tubule (2) and the second tubule (7) are not more than 1/4 of the inner diameter of the main pipe (10) of the circulating pipeline.
5. An electrophoresis tank liquid circulation system according to claim 4 wherein: the pipe of the branch pipeline, the nozzle and the valve are made of PVC materials.
6. The method of using the circulation system of an electrophoresis tank according to any one of claims 1 to 5 wherein the steps comprise:
step 1, hanging a hub (3) on a hanger (4) of a hub conveying line (11);
step 2, opening an electrophoresis tank liquid circulating system and a valve (5) thereof;
step 3, starting the hub conveying line (11), immersing the hub (3) below the liquid level (9) of the electrophoretic liquid, and adjusting the height of the hub (3) until the extension line of the nozzle axis is opposite to the top of the R arc surface of the hub (3);
and 4, after electrophoresis is finished, closing the valve (5) and conveying the hub (3) to the next procedure.
7. Use according to claim 6, characterized in that: in the step 2, the step of opening the valve (5) is that the valves on the first thin tube (2) and the second thin tube (7) are opened firstly, and then the valves on the branch tubes (6) are opened; in step 4, closing the valve (5) means closing the valve on the branch pipe (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110838706.5A CN113445106B (en) | 2021-07-23 | 2021-07-23 | Electrophoresis tank liquid circulating system and using method thereof |
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| CN202110838706.5A CN113445106B (en) | 2021-07-23 | 2021-07-23 | Electrophoresis tank liquid circulating system and using method thereof |
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| CN113445106A CN113445106A (en) | 2021-09-28 |
| CN113445106B true CN113445106B (en) | 2022-08-19 |
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| CN113584559B (en) * | 2021-09-29 | 2021-12-14 | 山东阳成生物科技有限公司 | Intelligent electrophoresis production line electrophoresis tank circulating device |
Citations (9)
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|---|---|---|---|---|
| JPH11200092A (en) * | 1998-01-08 | 1999-07-27 | Nissan Motor Co Ltd | Electrodeposition coating device and electrodeposition coating method |
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2021
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