CN217615731U - Coating equipment for magnesium alloy surface anti-corrosion composite coating - Google Patents
Coating equipment for magnesium alloy surface anti-corrosion composite coating Download PDFInfo
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- CN217615731U CN217615731U CN202221567348.5U CN202221567348U CN217615731U CN 217615731 U CN217615731 U CN 217615731U CN 202221567348 U CN202221567348 U CN 202221567348U CN 217615731 U CN217615731 U CN 217615731U
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Abstract
The utility model discloses a coating device of a magnesium alloy surface anti-corrosion composite coating, which comprises a device shell, a vacuum pump and a vacuum pipeline, wherein the vacuum pipeline is communicated with a vacuumizing channel below the center of a turntable; the rotary disc is rotationally connected to the inner bottom wall of the cavity at the upper end of the shell through a rotary shaft, the vacuumizing channel is arranged in the center of the rotary shaft and penetrates through the rotary shaft, a drying station gear meshed with the transmission gear is arranged on one side of the transmission gear on the rotary shaft, the drying station gear is fixedly connected to a disc shaft of the drying disc, the disc shaft is rotationally connected to the inner bottom wall of the cavity at the upper end of the shell, and a heater located below the drying disc is further arranged on the inner bottom wall of the cavity at the upper end of the shell; the inner top wall of the upper cavity of the shell is provided with a rubber tube, and the rubber outlet of the rubber tube is over against the substrate on the turntable. The utility model discloses can realize on one side even gluing on the other hand to the even substrate of gluing one side station dry, improve efficiency, reduce equipment quantity.
Description
Technical Field
The utility model relates to a coating equipment of anticorrosive composite coating in magnesium alloy surface.
Background
At present, the metal coating is mainly an organic coating, such as epoxy resin, polyamide, polyacrylic acid, polyvinyl acid, fluorocarbon coating and the like. But such organic coatings have limited protective effects. How to obtain a more practical metal coating with superior corrosion resistance and mechanical stability is a concern in the art. The corrosion-resistant coating on the surface of the magnesium alloy is a field which is widely concerned at present, because the magnesium alloy is easy to corrode, the corrosion resistance difficulty is high, at present, aiming at the preparation of the corrosion-resistant coating on the surface of the magnesium alloy, a solution is generally coated on the surface of the magnesium alloy in a spinning way through a spin coater and is fully dried to form a coating with corrosion resistance, but in addition to coating equipment, drying equipment is needed, and for enterprises, two sets of equipment have high cost and occupy a large area.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the defect that exists among the prior art, provide a magnesium alloy surface corrosion-resistant composite coating's coating equipment, can realize on one side even glue on one side to the even substrate stoving of gluing one side station, improved efficiency, reduced equipment quantity.
In order to achieve the purpose, the technical scheme of the utility model is to design a coating device of a magnesium alloy surface anti-corrosion composite coating, which comprises a device shell, a vacuum pump for air exhaust arranged in the device shell and a vacuum pipeline connected with the vacuum pump, wherein the vacuum pipeline is communicated with a vacuum-pumping channel arranged below the center of a turntable in the shell; the vacuum pump and the vacuum pipeline are positioned in the cavity at the lower end of the shell, and the turntable is positioned in the cavity at the upper end of the shell;
the rotary table is rotationally connected to the inner bottom wall of the cavity at the upper end of the shell through a rotary shaft, the vacuumizing channel is arranged in the center of the rotary shaft and penetrates through the rotary shaft, the rotary shaft is hermetically connected with the inner bottom wall of the cavity at the upper end of the shell, a transmission gear is fixedly arranged on the rotary shaft and meshed with a driving gear fixedly arranged on an output shaft of a speed reduction motor, and the speed reduction motor is fixedly connected to the inner bottom wall of the cavity at the upper end of the shell;
a drying station gear meshed with the transmission gear is arranged on one side of the transmission gear on the rotating shaft, the drying station gear is fixedly connected to a disc shaft of the drying disc, the disc shaft is rotatably connected to the inner bottom wall of the cavity at the upper end of the shell, and a heater positioned below the drying disc is further arranged on the inner bottom wall of the cavity at the upper end of the shell; the rubber tube is arranged on the inner top wall of the cavity at the upper end of the shell, the magnesium alloy surface anti-corrosion solution tank is arranged in the cavity at the upper end of the shell, the rubber tube is connected with the solution tank, the rubber tube is provided with a rubber liquid pump, and a rubber outlet of the rubber tube is over against the substrate on the turntable. The chamber at the lower end of the shell is not communicated with the chamber at the upper end of the shell and is sealed mutually; the sealing connection between the rotating shaft and the inner bottom wall of the cavity at the upper end of the shell can refer to the sealing connection between the propeller shaft of the old propeller ship and the ship body, and the like, and is not repeated for the prior art. The heater is used for heating the drying disk, when the drying disk rotates, the heater is started to heat one circle of the drying disk (referring to one circle of the heater taking the rotation axis of the disk shaft as the center, if the size of the heater is set to be that the size of the heater along the diameter direction of the drying disk is almost exactly the same as the radius of the drying disk, the heating surface of the heater covers the whole drying disk, and as long as the drying disk rotates, the area of the upper surface of the drying disk except the area at the disk shaft is not heated, and other areas are heated). The solution in the magnesium alloy surface corrosion-resistant solution tank is prepared by taking polydimethylsiloxane as a liquid matrix, and adding GO nano-sheets and Zr-MOF nano-particles to uniformly disperse the GO nano-sheets and the Zr-MOF nano-particles in the liquid matrix. Spin-coating the solution on the surface of the magnesium alloy through a spin coater and fully drying to form a composite coating with corrosion resistance, wherein the coating has strong corrosion resistance and mechanical stability; in addition, the method has the advantages of simple operation, short manufacturing period, low cost, small pollution to the environment and good application prospect.
The further technical scheme is that the wheel diameter of the drying station gear is larger than that of the transmission gear. After the arrangement, the rotating speed of the drying disc is lower; during drying, the glue solution is slowly rotated to uniformly and comprehensively heat the drying disc (the drying disc can heat the substrate on the drying disc through heat transfer of the drying disc) as much as possible, and during glue homogenizing, the glue solution is rapidly rotated to uniformly distribute the glue solution.
The further technical scheme is that the meshing ratio of the drying station gear to the transmission gear is 3:1 to 8:1.
the further technical proposal is that the size of the heater along the diameter direction of the drying disk is the same as the radius of the drying disk, and the heater is fixedly connected on the inner bottom wall of the upper chamber of the shell. After the arrangement, the heating surface of the heater covers the whole drying disk, and as long as the drying disk rotates, the area of the upper surface of the drying disk except the disk shaft is not heated, and other areas are heated. The drying mechanism is integrated into the coating equipment, so that the volume of the coating equipment is increased, compared with the combination of the coating equipment and the drying equipment in the prior art, a large amount of occupied area is reduced, and the cost of an enterprise is saved.
The other technical scheme is that the size of the heater along the diameter direction of the drying disc is smaller than the radius of the drying disc.
The utility model has the advantages and the beneficial effects that: the substrate drying device can realize the substrate drying of the station at the side of glue homogenizing while glue homogenizing, improves the efficiency and reduces the equipment number.
The rotating speed of the drying disc is low; the slow rotation is realized during drying, and the fast rotation is realized during glue homogenizing to realize uniform distribution of glue solution.
The heating surface of the heater covers the whole drying disk, and as long as the drying disk rotates, the upper surface of the drying disk is not heated except for the area at the disk shaft, and other areas are heated. The drying mechanism is integrated into the coating equipment, so that the volume of the coating equipment is increased, compared with the combination of the coating equipment and the drying equipment in the prior art, the floor area is greatly reduced, and the cost of an enterprise is also saved.
Polydimethylsiloxane is used as a liquid matrix, and GO nano-sheets and Zr-MOF nano-particles are added to be uniformly dispersed in the liquid matrix. Spin-coating the solution on the surface of the magnesium alloy through a spin coater, and fully drying to form a composite coating with corrosion resistance, wherein the coating has strong corrosion resistance and mechanical stability; in addition, the method has the advantages of simple operation, short manufacturing period, low cost, small pollution to the environment and good application prospect.
Drawings
FIG. 1 is a schematic view of a coating apparatus for a magnesium alloy surface anti-corrosion composite coating according to the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is a schematic diagram of FIG. 2;
fig. 4 is a schematic view of the drying disk and lead screw nut mechanism of fig. 3.
In the figure: 1. a housing; 2. a vacuum pump; 3. a vacuum line; 4. a turntable; 5. a vacuum channel is pumped; 6. a rotating shaft; 7. a transmission gear; 8. a reduction motor; 9. a driving gear; 10. a drying station gear; 11. drying the disc; 12. a heater; 13. a hose; 14. a solution tank; 15. a glue pump; 16. a substrate.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1 to 4 (for convenience of illustration, fig. 1 does not show a shell; fig. 3 does not show a driving motor and a screw nut mechanism), the utility model relates to a coating device of a magnesium alloy surface anti-corrosion composite coating, which comprises a device shell 1, a vacuum pump 2 for air suction arranged in the device shell 1 and a vacuum pipeline 3 connected with the vacuum pump 2, wherein the vacuum pipeline 3 is communicated with a vacuum pumping channel 5 below the center of a turntable 4 arranged in the shell 1; the vacuum pump 2 and the vacuum pipeline 3 are positioned in a cavity at the lower end of the shell 1, and the turntable 4 is positioned in a cavity at the upper end of the shell 1; the rotary table 4 is rotationally connected to the inner bottom wall of the upper end cavity of the shell 1 through a rotary shaft 6, the vacuumizing channel 5 is arranged in the center of the rotary shaft 6 and penetrates through the rotary shaft 6, the rotary shaft 6 is hermetically connected with the inner bottom wall of the upper end cavity of the shell 1, a transmission gear 7 is fixedly arranged on the rotary shaft 6, the transmission gear 7 is meshed with a driving gear 9 fixedly arranged on an output shaft of a speed reducing motor 8, and the speed reducing motor 8 is fixedly connected to the inner bottom wall of the upper end cavity of the shell 1; a drying station gear 10 meshed with the transmission gear 7 is arranged on one side of the transmission gear 7 on the rotating shaft 6, the drying station gear 10 is fixedly connected to a disc shaft of a drying disc 11, the disc shaft is rotatably connected to the inner bottom wall of the upper end chamber of the shell 1, and a heater 12 positioned below the drying disc 11 is further arranged on the inner bottom wall of the upper end chamber of the shell 1; a rubber tube 13 is arranged on the inner top wall of the cavity at the upper end of the shell 1, a magnesium alloy surface anti-corrosion solution tank 14 is arranged in the cavity at the upper end of the shell 1, the rubber tube 13 is connected with the solution tank 14, a rubber solution pump 15 is arranged on the rubber tube 13, and a rubber outlet of the rubber tube 13 is over against a substrate 16 on the rotary table 4. The wheel diameter of the drying station gear 10 is larger than that of the transmission gear 7. The meshing ratio of the drying station gear 10 to the transmission gear 7 is 3:1 to 8:1. the heater 12 has a dimension in the diameter direction of the drying disk 11 smaller than the radius of the drying disk 11. The heater 12 is fixedly connected to the connecting block, the connecting block is fixedly connected to a nut of the lead screw nut mechanism, the connecting block is slidably connected to a slide rail (the slide rail is used for limiting the freedom degree of the connecting block along with the rotation of the nut, the length direction of the slide rail is consistent with the 6 line of a rotating shaft of the lead screw), two side plates of the slide rail are arranged on two sides of the lead screw and are fixedly connected to the inner bottom wall of the upper end cavity of the shell 1 (the inner bottom wall of the upper end cavity of the shell 1 serves as a bottom plate of the slide rail, and a channel steel-shaped track for sliding the connecting block is formed by the two side plates of the slide rail and the inner bottom wall of the upper end cavity of the shell 1). (for facilitating heat transfer, the drying station gear is provided with a plurality of through holes for preventing the drying station gear from blocking the heat transfer of the heater)
The working principle is as follows:
the former substrate 16 with uniform glue is placed on a drying disc 11, the substrate 16 is placed on a rotary disc 4, a vacuum pump 2, a speed reducing motor 8 and a driving motor are started, a heater 12 moves linearly and reciprocally along the radius direction of the drying disc 11, the rotary disc 4 rotates (a glue solution pump 15 pumps a magnesium alloy surface anti-corrosion solution in a solution tank 14 into a glue tube 13, a certain amount of solution falls onto the substrate 16 from a glue outlet of the glue tube 13), the solution (or glue solution) on the substrate 16 is uniformly coated on the substrate 16 due to the centrifugal force, a drying station on one side of the rotary disc 4 is meshed with a drying station gear 10 due to a transmission gear 7, so the drying disc 11 rotates at a slow speed, the heater 12 gradually heats the drying disc 11 in an Archimedes spiral manner, heat transfer is performed through the drying disc 11, the former substrate 16 with uniform glue is completely and uniformly heated gradually, and drying is realized while glue is uniformly distributed.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and embellishments can be made without departing from the technical principle of the present invention, and these improvements and embellishments should also be regarded as the protection scope of the present invention.
Claims (5)
1. The coating equipment for the corrosion-resistant composite coating on the surface of the magnesium alloy is characterized by comprising an equipment shell, a vacuum pump for pumping air and a vacuum pipeline, wherein the vacuum pump is arranged in the equipment shell, the vacuum pipeline is connected with the vacuum pump, and the vacuum pipeline is communicated with a vacuum pumping channel below the center of a turntable arranged in the shell; the vacuum pump and the vacuum pipeline are positioned in the cavity at the lower end of the shell, and the turntable is positioned in the cavity at the upper end of the shell;
the rotary table is rotationally connected to the inner bottom wall of the cavity at the upper end of the shell through a rotary shaft, the vacuumizing channel is arranged in the center of the rotary shaft and penetrates through the rotary shaft, the rotary shaft is hermetically connected with the inner bottom wall of the cavity at the upper end of the shell, a transmission gear is fixedly arranged on the rotary shaft and meshed with a driving gear fixedly arranged on an output shaft of a speed reduction motor, and the speed reduction motor is fixedly connected to the inner bottom wall of the cavity at the upper end of the shell;
a drying station gear meshed with the transmission gear is arranged on one side of the transmission gear on the rotating shaft, the drying station gear is fixedly connected to a disc shaft of the drying disc, the disc shaft is rotatably connected to the inner bottom wall of the cavity at the upper end of the shell, and a heater positioned below the drying disc is further arranged on the inner bottom wall of the cavity at the upper end of the shell; the inner top wall of the cavity at the upper end of the shell is provided with a rubber tube, the cavity at the upper end of the shell is internally provided with a magnesium alloy surface anti-corrosion solution tank, the rubber tube is connected with the solution tank, the rubber tube is provided with a rubber pump, and a rubber outlet of the rubber tube is over against the substrate on the turntable.
2. The coating equipment of the magnesium alloy surface anti-corrosion composite coating according to claim 1, wherein the wheel diameter of the drying station gear is larger than that of the transmission gear.
3. The coating equipment of the magnesium alloy surface anti-corrosion composite coating according to claim 2, wherein the meshing ratio of the drying station gear to the transmission gear is 3:1 to 8:1.
4. the apparatus for coating anticorrosive composite coating on magnesium alloy surface according to claim 1 or 3, wherein the heater has the same size as the radius of the drying disk in the diameter direction of the drying disk, and the heater is fixedly connected to the inner bottom wall of the upper chamber of the housing.
5. The apparatus for coating a magnesium alloy surface with an anticorrosive composite coating according to claim 1 or 3, wherein the heater has a dimension in a diameter direction of the drying disk smaller than a radius of the drying disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221567348.5U CN217615731U (en) | 2022-06-22 | 2022-06-22 | Coating equipment for magnesium alloy surface anti-corrosion composite coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221567348.5U CN217615731U (en) | 2022-06-22 | 2022-06-22 | Coating equipment for magnesium alloy surface anti-corrosion composite coating |
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| Publication Number | Publication Date |
|---|---|
| CN217615731U true CN217615731U (en) | 2022-10-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221567348.5U Active CN217615731U (en) | 2022-06-22 | 2022-06-22 | Coating equipment for magnesium alloy surface anti-corrosion composite coating |
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| Country | Link |
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| CN (1) | CN217615731U (en) |
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2022
- 2022-06-22 CN CN202221567348.5U patent/CN217615731U/en active Active
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