CN219777441U - Rain-proof test device of coating test panel - Google Patents
Rain-proof test device of coating test panel Download PDFInfo
- Publication number
- CN219777441U CN219777441U CN202320790179.XU CN202320790179U CN219777441U CN 219777441 U CN219777441 U CN 219777441U CN 202320790179 U CN202320790179 U CN 202320790179U CN 219777441 U CN219777441 U CN 219777441U
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- CN
- China
- Prior art keywords
- water tank
- test
- rain
- test board
- coating
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000000576 coating method Methods 0.000 title claims abstract description 14
- 239000011248 coating agent Substances 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 95
- 239000007921 spray Substances 0.000 claims abstract description 17
- 238000005507 spraying Methods 0.000 claims abstract description 11
- 239000003973 paint Substances 0.000 claims description 21
- 239000000203 mixture Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 238000007654 immersion Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000012153 distilled water Substances 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
Rain-proof test device of coating test panel. At present, a coating test board is generally placed outdoors in rainy days, test conditions and time are difficult to fix, and the rainfastness of the coating cannot be comprehensively evaluated. The composition of the utility model comprises: the device comprises a circulating water tank (4), a spraying water tank (6) and a spray header (1), wherein a test plate fixing frame (7) is arranged in the spraying water tank, a test plate (8) is arranged on the test plate fixing frame, and the bottom of the spraying water tank is communicated with the circulating water tank through a water return pipe (9); the circulating water tank is internally provided with a submersible pump (3), the water outlet end of the submersible pump is communicated with a water outlet pipe (2), and the end part of the water outlet pipe is fixed with the spray header. The utility model is used for rain-proof test of the coating test board.
Description
Technical Field
The utility model relates to a rain-proof test device of a coating test board.
Background
Industrial products are generally made of carbon steel, low alloy steel and other materials, corrosion is easy to occur in the atmospheric environment, and the performance of the products is reduced, even the products cannot be used, so that the most common, most economical and most effective protection method of the industrial products before leaving the factory is to paint industrial protection paint, and the paint is used for shielding corrosive media such as water, air and the like to achieve the protection purpose. Therefore, in evaluating the performance of the paint, the test of the water resistance of the paint film is particularly important. Currently, in the industry standard of various coatings, the water resistance of a paint film is inspected by adopting the first method in GB/T1733-1993, namely, distilled water or deionized water is added into a glass water tank, the water temperature is regulated to be 23+/-2 ℃, and the temperature is kept in the whole test process. Three panels were placed therein and 2/3 of the length of each panel was immersed in water. After soaking for a prescribed period of time, the test plate is taken out, residual moisture is gently erased by using absorbent paper or cloth, the phenomena of wrinkling, foaming, cracking, peeling and the like of a paint film are immediately observed visually, then the test plate is placed for 2 hours, and whether the gloss and the color of the paint film are obviously changed compared with those of the non-soaked test plate is observed again. The industry standard generally adopts a mode of soaking a test board in distilled water to detect the water resistance of the water-based paint, and under the normal condition, the laboratory result is well proven in inland regions with little rain. However, the water immersion method belongs to a static test method, and the paint film is subjected to more rain washing in the service process, particularly in coastal areas, high-humidity areas and acid rain areas, and the paint film passing the water immersion test still has poor water resistance, even the paint film is damaged, which indicates that the water resistance of the paint film cannot be fully represented only by the immersion test. At present, a coating test board is generally placed outdoors in rainy days, test conditions and time are difficult to fix, and the rainfastness of the coating cannot be comprehensively evaluated.
Disclosure of Invention
The utility model aims to solve the problems and provide a rain-proof test device for a coating test panel.
The above object is achieved by the following technical scheme:
a rain-proof test device of a coating test board comprises a circulating water tank, a spray water tank and a spray header, wherein a test board fixing frame is arranged in the spray water tank, the test board is arranged on the test board fixing frame, and the bottom of the spray water tank is communicated with the circulating water tank through a water return pipe;
the circulating water tank is internally provided with a submersible pump, the water outlet end of the submersible pump is communicated with a water outlet pipe, and the end part of the water outlet pipe is fixedly provided with the spray header.
The rain-proof test device of the paint test board is characterized in that a water level observation cylinder is arranged on the side face of the circulating water tank.
The rain-proof test device of the paint test board is characterized in that the test board fixing frame is a table frame, and the upper surface of the test board fixing frame is provided with a groove matched with the test board.
Advantageous effects
1. According to the utility model, the real environment of a rainy day is simulated in a water quality regulation and spraying mode, the condition that the pH value of rainwater is different in rainy days in different areas can be simulated in the water quality regulation mode, so that the influence degree of the pH value of water on the water resistance of the paint is detected, meanwhile, the submersible pump is a variable-frequency submersible pump, the speed of raindrops in the rainy day is simulated by regulating the speed of water flow under different pressures in a pressurized spraying mode, the influence degree of heavy rain, medium rain and small rain modes on the water resistance of the paint is simulated, the regulated water quality is transmitted to a spraying device through the submersible pump, and then sprayed onto a paint test plate, so that the rain resistance of the paint is detected.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
in the figure: 1. a spray header; 2. a water outlet pipe; 3. submersible pump; 4. a circulation water tank; 5. a water level observation cylinder; 6. a spray water tank; 7. test panel mount; 8. a test panel; 9. and a water return pipe.
Detailed Description
Referring to fig. 1, a rain-proof test device for a coating test board comprises a circulating water tank 4, a spray water tank 6 and a spray header 1, wherein a test board fixing frame 7 is arranged in the spray water tank, a test board 8 is arranged on the test board fixing frame, and the bottom of the spray water tank is communicated with the circulating water tank through a return water pipe 9;
the circulating water tank is internally provided with a submersible pump 3, the water outlet end of the submersible pump is communicated with a water outlet pipe 2, and the end part of the water outlet pipe is fixedly provided with the spray header.
The side surface of the circulating water tank is provided with a water level observation cylinder 5.
The test board fixing frame is a table frame, and the upper surface of the test board fixing frame is provided with a groove matched with the test board.
Working principle: the side of the circulating water tank is provided with a water level observation cylinder, the upper end and the lower end of the water level observation cylinder are respectively communicated with the inside of the circulating water tank through water pipes, so that the circulating water tank and the water level observation cylinder form a communicating vessel, the water level in the water level observation cylinder can be observed in real time, the water level in the circulating water tank can be conveniently known, the submersible pump is used for selecting a variable-frequency submersible pump, liquid is sprayed out through a spray header by a liquid outlet pipe through the liquid pumping pipe of the submersible pump, a test board is sprayed, meanwhile, the pressure of the submersible pump can be adjusted (the mode is the prior art, no improvement is made here), the speed of raindrops in rainy days is simulated through the speed of water flows under different pressures, the sprayed water enters a spraying water tank, then returns to the inside of the circulating water tank through a water return pipe, the height of the spraying water tank is higher than that of the circulating water tank, the water in the circulating water tank can be conveniently replaced by gravity flow to the circulating water tank, and the condition that the pH of the rainwater in the circulating water tank is different in order to simulate rainy days in different areas.
Claims (3)
1. A rain-proof test device of coating test board, characterized by: the device comprises a circulating water tank, a spraying water tank and a spray header, wherein a test board fixing frame is arranged in the spraying water tank, a test board is arranged on the test board fixing frame, and the bottom of the spraying water tank is communicated with the circulating water tank through a water return pipe;
the circulating water tank is internally provided with a submersible pump, the water outlet end of the submersible pump is communicated with a water outlet pipe, and the end part of the water outlet pipe is fixedly provided with the spray header.
2. The rain-proof test apparatus of a paint test panel according to claim 1, characterized in that: the side of the circulating water tank is provided with a water level observation cylinder.
3. The rain-proof test apparatus of a paint test panel according to claim 2, characterized in that: the test board fixing frame is a table frame, and the upper surface of the test board fixing frame is provided with a groove matched with the test board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320790179.XU CN219777441U (en) | 2023-04-11 | 2023-04-11 | Rain-proof test device of coating test panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320790179.XU CN219777441U (en) | 2023-04-11 | 2023-04-11 | Rain-proof test device of coating test panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219777441U true CN219777441U (en) | 2023-09-29 |
Family
ID=88133014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320790179.XU Active CN219777441U (en) | 2023-04-11 | 2023-04-11 | Rain-proof test device of coating test panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219777441U (en) |
-
2023
- 2023-04-11 CN CN202320790179.XU patent/CN219777441U/en active Active
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