CN112877748A - Electrophoretic coating method for porous piece - Google Patents
Electrophoretic coating method for porous piece Download PDFInfo
- Publication number
- CN112877748A CN112877748A CN202110048515.9A CN202110048515A CN112877748A CN 112877748 A CN112877748 A CN 112877748A CN 202110048515 A CN202110048515 A CN 202110048515A CN 112877748 A CN112877748 A CN 112877748A
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- Prior art keywords
- porous
- electrophoresis
- porous piece
- piece
- electrophoretic
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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
- C25D13/12—Electrophoretic coating characterised by the process characterised by the article coated
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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
Abstract
An electrophoretic coating method of a porous piece comprises the following steps: loading, namely horizontally mounting the porous piece on a lifting appliance; discharging, namely hoisting the porous piece into the electrophoresis tank; electrophoresis; electrophoretic post-treatment, namely removing residual electrophoretic fluid attached to the surface of the porous piece; and (5) blanking, and taking the porous piece out of the electrophoresis tank. According to the electrophoresis tank, one end face of the porous piece provided with the holes is firstly contacted with the electrophoresis liquid, the back face of the porous piece is located in the air, the porous piece moves into the electrophoresis liquid, the electrophoresis liquid is filled into the holes, the air in the holes is discharged, and bubbles are prevented from being formed in the holes.
Description
Technical Field
The invention relates to the technical field of electrophoretic coating, in particular to an electrophoretic coating method for a porous piece.
Background
As shown in fig. 1, a porous member belongs to a micro-channel heat exchanger, the middle part of the porous member is provided with a plurality of holes, four corners of the porous member are provided with hollow pipes, the holes are filled with air when the electrophoresis tank is outside, when the porous member is placed into the electrophoresis tank at a certain angle, especially when the porous member is vertically placed into the electrolysis tank, two ends of the holes are simultaneously contacted with electrophoresis liquid, so that air is not smoothly discharged, tiny bubbles can be formed on the inner surface of the holes, the bubbles can influence the electrophoresis quality on one hand, and the speed of electrophoresis on the other hand can be influenced.
Therefore, there is a need to provide a new technical solution to overcome the above-mentioned drawbacks.
Disclosure of Invention
The present invention is directed to a method for electrophoretically coating a porous material, which can effectively solve the above-mentioned problems.
In order to achieve the purpose of the invention, the following technical scheme is adopted:
an electrophoretic coating method of a porous piece comprises the following steps:
step S1: loading, namely horizontally mounting the porous piece on a lifting appliance;
step S2: placing materials, namely, hanging a porous piece into the electrophoresis tank, wherein one end face provided with a hole is firstly contacted with the electrophoresis liquid, the back face of the porous piece is in air, the porous piece moves into the electrophoresis liquid, the electrophoresis liquid is filled into the hole, the air in the hole is discharged, and bubbles are prevented from being formed in the hole;
step S3: electrophoresis;
step S4: electrophoretic post-treatment, namely removing residual electrophoretic fluid attached to the surface of the porous piece;
step S4: and (5) blanking, and taking the porous piece out of the electrophoresis tank.
Further: step S2 further includes adjusting a distance between the porous member and the anode tube of the electrophoresis tank.
Further: step S2 further includes immersing the porous member in the electrophoretic fluid, and then defoaming the electrophoretic fluid by driving the porous member to swing.
Further: in step S3, the post-electrophoresis treatment includes UF recovery cleaning and water washing.
Further: the hanger comprises:
fixing the rod; fixing a plate: the fixing rods are fixedly arranged at two ends of the fixing rod; adjusting a nut: the fixing plate is in threaded connection with the base, one of the fixing plate is fixedly connected with an inserted bar, and the other fixing plate is connected with a shaft sleeve; and, hooking: is fixedly connected with the fixed rod; a hollow pipe of the porous piece is inserted into the shaft sleeve, the inserted rod is inserted into the hollow pipe on the opposite side, two ends of the porous piece are fixed through the two lifting appliances, and the porous piece is lifted through the hook, so that the horizontal state of the porous piece is guaranteed.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention relates to an electrophoretic coating method of a porous piece, wherein one end face of the porous piece provided with a hole is firstly contacted with an electrophoretic liquid, the back face of the porous piece is in air, the porous piece moves into the electrophoretic liquid, the electrophoretic liquid is filled into the hole, the air in the hole is discharged, and bubbles are prevented from being formed in the hole.
2. The invention relates to an electrophoretic coating method of a porous piece, wherein the distance between the surface of the horizontally placed porous piece and an anode tube of an electrophoresis tank is equal, and the distance between the porous piece and the anode tube of the electrophoresis tank is adjusted.
3. The invention relates to an electrophoretic coating method of a porous piece, which is characterized in that a hollow pipe of the porous piece is inserted into a shaft sleeve and an inserting rod is inserted into the hollow pipe at the opposite side by adjusting two adjusting nuts, so that the electrophoretic coating method of the porous piece is suitable for porous pieces with various specifications.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Fig. 1 is a schematic view of a porous member in the present invention.
Fig. 2 is a schematic view of a spreader of the present invention.
FIG. 3 is a schematic view of a double anode tube electrophoresis tank according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it is to be understood that the terms "central," "lateral," "longitudinal," "front," "rear," "left," "right," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the scope of the invention. When an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
The invention relates to an electrophoretic coating method of a porous piece, which comprises the following steps:
step S1: loading, namely horizontally installing the porous piece on the lifting appliance 10;
step S2: placing, hanging the porous piece into the electrophoresis tank, wherein one end face of the porous piece provided with the holes is firstly contacted with the electrophoresis liquid, the back face of the porous piece is in the air, the porous piece moves to the electrophoresis liquid, the electrophoresis liquid is filled into the holes, the air in the holes is discharged, and bubbles are prevented from being formed in the holes, meanwhile, compared with the traditional placing method, because the thickness of the porous piece is thinner, the requirement on the depth of the electrophoresis tank is lower, electrophoresis is more convenient to be carried out on the large porous piece, finally, the distance between the surface of the horizontally placed porous piece and the anode tube of the electrophoresis tank is equal, while the distance between the surface provided with the holes and the anode tube of the electrophoresis tank is not easy to control in the traditional method, for the obliquely placed porous piece, one end of the porous piece is close to the anode tube of the electrophoresis tank, the other end of the porous piece is far away from the anode tube of the electrophoresis tank, and the porous piece is vertically placed, the side surface of the electrophoresis tank is close to the anode tube of the electrophoresis tank; finally, the distance between the porous member and the anode tube of the electrophoresis tank is adjusted by a common porous member lifting mechanism in the market, such as the content described in the patent with the application number of CN201820188851.7, the height between the porous member and the anode tube of the electrophoresis tank is preferably between 100 mm and 700 mm, if the height is less than 100 mm, the porous member may be punctured, and if the height exceeds 700 mm, the electrophoresis time is prolonged, and the whole electrophoresis layer of the porous member is not uniform, which results in poor electrophoresis quality, and the specific value is selected according to the thickness of the porous member and the electrophoresis time;
step S3: electrophoresis, wherein parameters in the electrophoresis process are selected according to actual conditions and are common knowledge, and are not described herein;
step S4: electrophoretic post-treatment, namely removing residual electrophoretic liquid attached to the surface of the porous piece, wherein the electrophoretic post-treatment comprises UF recovery cleaning and water washing, and the specific method of the UF recovery cleaning and the water washing is common knowledge;
step S4: and (5) blanking, and taking the porous piece out of the electrophoresis tank.
Step S2 further includes that after the porous member is immersed in the electrophoretic fluid, the porous member is driven to swing to defoam, and the porous member is driven to swing up and down by the above-mentioned porous member lifting mechanism, where the swing amplitude is 200 mm up and down, and lasts for at most 600 seconds.
As shown in fig. 2, the spreader 10 includes: a fixing bar 101; fixing plate 102: fixedly mounted at both ends of the fixing rod 101; the adjusting nut 103: the fixing plate 102 is in threaded connection, one of the fixing plate is fixedly connected with an inserted link 104, and the other is connected with a shaft sleeve 105; and, the hook 106: is fixedly connected with the fixed rod 101; a hollow pipe of the porous piece is inserted into the shaft sleeve 105, the inserted rod 104 is inserted into the hollow pipe at the opposite side, two ends of the porous piece are fixed by the two lifting appliances 10, and the porous piece is lifted by the hook 106, so that the porous piece is ensured to be in a horizontal state; by the lifting appliance 10, the two adjusting nuts 103 can be adjusted to adapt to porous pieces with various specifications.
Finally, it is to be noted that: as shown in fig. 3, the double-anode tube electrophoresis tank 20 includes a placement area 201 and an electrophoresis area 202, the anode tubes 30 are installed in the electrophoresis area 202 in a vertically distributed manner, in practical use, a porous member is transported to the placement area 201 by a crane or the like, one end surface of the porous member having holes is firstly contacted with an electrophoresis solution, the back surface of the porous member is in air, the porous member moves into the electrophoresis solution, the electrophoresis solution is filled into the holes, the air inside the holes is exhausted, bubbles are prevented from forming inside the holes, the porous member is directly placed on a translation mechanism, the porous member is transported to the electrophoresis area 202 by the translation mechanism and is located between the anode tubes 30, the translation mechanism is the device described in CN201820192070.5 patent, the height between the porous member and the electrophoresis tank tube is adjusted by a porous member elevating mechanism commonly found in the market, for example, the content described in the application number CN201820188851.7 patent, and then electrophoresis is performed.
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described, and the content not described in detail in the specification belongs to the prior art known by persons skilled in the art.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (5)
1. An electrophoretic coating method for a porous member, characterized in that: the method comprises the following steps:
step S1: loading, namely horizontally mounting the porous piece on a lifting appliance;
step S2: placing materials, namely, hanging a porous piece into the electrophoresis tank, wherein one end face provided with a hole is firstly contacted with the electrophoresis liquid, the back face of the porous piece is in air, the porous piece moves into the electrophoresis liquid, the electrophoresis liquid is filled into the hole, the air in the hole is discharged, and bubbles are prevented from being formed in the hole;
step S3: electrophoresis;
step S4: electrophoretic post-treatment, namely removing residual electrophoretic fluid attached to the surface of the porous piece;
step S4: and (5) blanking, and taking the porous piece out of the electrophoresis tank.
2. The method for electrocoating a porous material according to claim 1, wherein: step S2 further includes adjusting a distance between the porous member and the anode tube of the electrophoresis tank.
3. The electrodeposition coating method for a porous material according to claim 2, wherein: step S2 further includes immersing the porous member in the electrophoretic fluid, and then defoaming the electrophoretic fluid by driving the porous member to swing.
4. The electrodeposition coating method for a porous material according to claim 3, wherein: in step S3, the post-electrophoresis treatment includes UF recovery cleaning and water washing.
5. The electrodeposition coating method for a porous material according to claim 4, wherein: the hanger comprises:
fixing the rod;
fixing a plate: the fixing rods are fixedly arranged at two ends of the fixing rod;
adjusting a nut: the fixing plate is in threaded connection with the base, one of the fixing plate is fixedly connected with an inserted bar, and the other fixing plate is connected with a shaft sleeve;
and, hooking: is fixedly connected with the fixed rod;
a hollow pipe of the porous piece is inserted into the shaft sleeve, the inserted rod is inserted into the hollow pipe on the opposite side, two ends of the porous piece are fixed through the two lifting appliances, and the porous piece is lifted through the hook, so that the horizontal state of the porous piece is guaranteed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110048515.9A CN112877748A (en) | 2021-01-14 | 2021-01-14 | Electrophoretic coating method for porous piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110048515.9A CN112877748A (en) | 2021-01-14 | 2021-01-14 | Electrophoretic coating method for porous piece |
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| Publication Number | Publication Date |
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| CN112877748A true CN112877748A (en) | 2021-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110048515.9A Pending CN112877748A (en) | 2021-01-14 | 2021-01-14 | Electrophoretic coating method for porous piece |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102719873A (en) * | 2012-07-12 | 2012-10-10 | 昆山耀邦金属工业有限公司 | Cathode electrophoretic coating complete covering method for microchannel heat exchanger |
| CN108277521A (en) * | 2018-02-05 | 2018-07-13 | 喜科金属（昆山）有限公司 | Micro-channel heat exchanger coil pipe electrophoresis coating technique |
-
2021
- 2021-01-14 CN CN202110048515.9A patent/CN112877748A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102719873A (en) * | 2012-07-12 | 2012-10-10 | 昆山耀邦金属工业有限公司 | Cathode electrophoretic coating complete covering method for microchannel heat exchanger |
| CN108277521A (en) * | 2018-02-05 | 2018-07-13 | 喜科金属（昆山）有限公司 | Micro-channel heat exchanger coil pipe electrophoresis coating technique |
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Application publication date: 20210601 |
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