Coating device for color-coated strip steel coating

Abstract

The utility model relates to the field of strip steel coating, and discloses a color-coated strip steel coating coating device which comprises six first supporting legs, connecting plates are fixed to the tops of the three first supporting legs on the front side and the three first supporting legs on the rear side correspondingly, and a trapezoidal coating disc used for storing coating is fixed between the two connecting plates. According to the coating device for the color-coated strip steel coating, during production, feeding is conducted in the coating disc, the coating mechanism is started, coating in the coating disc can be driven to the coating roller through operation of the coating mechanism, and when the strip roller operates, the metering roller extrudes the coating on the strip roller, so that redundant coating on the strip roller falls into the coating disc; through operation of the stirring assembly on the left side of the coating disc, the coating in the coating disc can be continuously stirred, bubbles in the coating can be removed, the coating can be better attached to strip steel in the subsequent coating process, and the generation amount of waste and defective products in the strip steel coating production process is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of strip steel coating, in particular to a color-coated strip steel coating coating device. Background Art

[0002] Strip steel is a narrow and long steel plate produced by various steel rolling enterprises to meet the needs of industrial production of various metal or mechanical products in different industrial sectors. In order to improve the corrosion resistance and aesthetics of the strip steel, the strip steel is generally subjected to surface color coating. When color coating the strip steel, a coating coating device is used.

[0003] For example, Chinese patent CN209034693U discloses a three-roll coating device for PCM color-coated plates, including a frame and an equipment frame, the frame is fixedly connected to the equipment frame by bolts, the equipment frame is fixedly connected to a material tray, a material roller is arranged on one side of the material tray, a first rotating shaft is fixedly sleeved in the middle of the material roller, the first rotating shaft is rotatably connected to the equipment frame through a first bearing, a metering roller is arranged on one side of the material roller, a second rotating shaft is fixedly sleeved in the middle of the metering roller, the second rotating shaft is rotatably connected to the equipment frame through a second bearing, a coating roller is arranged on one side of the metering roller, a third rotating shaft is fixedly sleeved in the middle of the coating roller, and the third rotating shaft is rotatably connected to the equipment frame through a third bearing. The utility model has a simple structure and is easy to use. During coating, the coating method, the speed of each roller and the roller gap are determined according to the coating thickness required by the finished product, and the coating thickness change is controlled by fine-tuning the two roller gaps by a hand wheel to meet different requirements.

[0004] However, the above scheme still has some problems during use. Although the gap between the above rollers can be adjusted manually, in actual production, due to the large material tray, when excess paint falls into the material tray, bubbles will be generated in the paint in the material tray, and it is very easy to converge into a linear shape and be brought to the surface of the coating roller by the material roller, causing linear color difference on the surface of the strip steel. Therefore, a color-coated strip steel coating device is proposed to solve the above problem. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides a color-coated steel strip coating device, which has the advantage of high coating fluidity and solves the problem of bubbles generated by the coating in the material tray and easily converged into lines and brought to the surface of the coating roller by the material roller, causing linear color difference printing on the surface of the steel strip.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a color-coated steel strip coating coating device, comprising six first supporting legs, three front and three rear first supporting legs are fixed with connecting plates on their tops, a trapezoidal paint tray for storing paint is fixed between two connecting plates, four second supporting legs are fixed at the bottom of the paint tray, a second scraper is fixed at the inner bottom wall of the paint tray, and a stirring assembly penetrating into the paint tray and used for stirring the paint is fixed at the left side of the paint tray;

[0007] A coating mechanism is fixed on the back of the rear connecting plate, which penetrates to the front of the rear connecting plate and is rotatably connected to the back of the front connecting plate; a scraping assembly is fixed inside the front connecting plate, which is rotatably connected to the rear connecting plate; a moving mechanism is fixed on the front of the front connecting plate, which penetrates to the rear of the front connecting plate and is movably connected to the rear connecting plate;

[0008] The moving mechanism includes a positioning plate fixed to the front side of the front connecting plate, an electric push rod fixed to the left side of the positioning plate, a connecting bin fixed to the left side of the electric push rod, four first sliders fixed to the back side of the connecting bin, a fourth motor fixed inside the connecting bin, a supporting roller fixed to the output shaft of the fourth motor which passes through the back side of the front connecting plate and is rotatably connected to the inside of the rear connecting plate, and a second slider fixed to the back side of the supporting roller which is movably connected to the inside of the rear connecting plate.

[0009] By adopting this technical solution, the support roller can be moved left and right through the operation of the moving mechanism, and then the distance between the support roller and the coating roller can be adjusted, so that the strip coating coating device can be suitable for strips of different thicknesses, thereby improving the practicability of the strip coating coating device. In addition, through the setting of the moving mechanism, the distance between the support roller and the coating roller can be automatically adjusted without the need for manual adjustment after stopping the machine.

[0010] Furthermore, the stirring assembly includes a protective chamber fixed to the left side of the paint tray, a first motor is fixed to the left side wall of the inner cavity of the protective chamber, and a stirring rod penetrating into the paint tray is fixed to the output shaft of the first motor.

[0011] By adopting this technical solution and setting up a stirring component, the paint inside the paint tray can be continuously stirred, and the bubbles in the paint can be removed, so that during subsequent coating, the material can fit the strip better, reducing the amount of waste and defective products during strip coating production.

[0012] Furthermore, the coating mechanism includes a working chamber fixed to the back side of the rear connecting plate, a second motor is fixed to the rear wall of the inner cavity of the working chamber, the output shaft of the second motor is fixed with a coating roller that passes through the front side of the rear connecting plate and is rotatably connected to the front connecting plate, and the outer surface of the coating roller is fixed with a loading component that has one end fixed to the inside of the working chamber and the other end rotatably connected to the front connecting plate.

[0013] By adopting this technical solution, the coating mechanism can dip the coating from the coating disc so that the coating can be transported to the coating roller, and then through the cooperation of the support roller and the coating roller, the coating can be applied to the surface of the strip.

[0014] Furthermore, the feeding assembly includes a first transmission assembly fixed to the outer surface of the coating roller, a belt roller having one end fixed to the working bin and the other end rotatably connected to the front connecting plate is fixed to the left side of the first transmission assembly, a second transmission assembly is fixed to the outer surface of the belt roller, and a metering roller having one end fixed to the working bin and the other end rotatably connected to the front connecting plate is fixed to the left side of the second transmission assembly.

[0015] By adopting this technical solution, the loading component can dip and transport the paint. Through the cooperation of the metering roller and the belt roller, the excess paint on the belt roller can be squeezed out, so that the paint on the belt roller can be evenly transported to the coating roller, and the excess paint will fall back into the paint tray.

[0016] Furthermore, the scraping assembly includes a third motor fixed to the inside of the front connecting plate, the output shaft of the third motor is fixed with a threaded rod rotatably connected to the front side of the rear connecting plate, the outer surface of the threaded rod is threadedly connected with a first scraper that is movably in contact with the outer surfaces of the coating roller and the belt roller, and the first scraper is movably connected with three positioning rods fixed between the two connecting plates.

[0017] By adopting this technical solution, the scraping assembly can scrape off the paint accumulated between the belt roller and the coating roller. By moving the first scraper back and forth, the first scraper can push the accumulated paint to the front and rear sides of the belt roller, so that the paint can fall into the paint tray.

[0018] Furthermore, two first slide rails are fixed to the front side of the front connecting plate, and the first slide rails are matched with the first sliding block. A second slide rail matched with the second sliding block is fixed inside the rear connecting plate.

[0019] By adopting this technical solution, the mobile mechanism can be supported by the arrangement of the first slide rail and the second slide rail, thereby improving the stability of the mobile mechanism during operation.

[0020] Furthermore, the backs of the belt roller and the metering roller are both fixed with a first bearing fixed to the rear side wall of the inner cavity of the working chamber.

[0021] Furthermore, a second bearing fixed to the front side of the second sliding block is fixed to the back side of the supporting roller.

[0022] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0023] 1. During production, the coating device for color-coated steel strip is used to add materials into the coating tray and start the coating mechanism. The coating mechanism can drive the coating in the coating tray to the coating roller. When the material roller is running, the metering roller squeezes the coating on the material roller so that the excess coating on the material roller falls into the coating tray. The stirring assembly on the left side of the coating tray is operated to continuously stir the coating in the coating tray and remove bubbles in the coating, so that the material can fit the steel strip better during subsequent coating, thereby reducing the amount of waste and defective products during steel strip coating production.

[0024] 2. In the color-coated steel strip coating coating device, when the strip roller is running, the paint will accumulate between the strip roller and the coating roller due to its fast rotation speed. The third motor is started, and the threaded rod is driven to rotate through the operation of the third motor, so that the first scraper can move back and forth, and the accumulated paint is scraped off and falls into the paint tray through the action of the first scraper, which can prevent the occurrence of linear color difference printing on the surface of the steel strip during coating.

[0025] 3. During production, the color-coated strip steel coating coating device needs to adjust the distance between the support roller and the coating roller so that the equipment can process strip steels of different thicknesses. The electric push rod is started so that the electric push rod can drive the connecting bin to move, thereby driving the support roller to move. While the support roller moves, the connection between the second slider and the second slide rail makes the overall movement of the moving mechanism smoother, thereby achieving the purpose of automatically adjusting the roller gap distance and reducing the time-consuming and labor-intensive problem of manual adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the structure of the utility model;

[0027] Figure 2 For this utility model Figure 1 Enlarged view of point A in the middle;

[0028] Figure 3 It is a top view of the utility model;

[0029] Figure 4 It is a structural schematic diagram of the mobile mechanism of the utility model.

[0030] In the figure: 1. first supporting leg; 2. connecting plate; 3. paint tray; 4. second supporting leg; 5. protective chamber; 6. first motor; 7. stirring rod; 8. working chamber; 9. second motor; 10. coating roller; 11. first transmission assembly; 12. material roller; 13. second transmission assembly; 14. metering roller; 15. third motor; 16. threaded rod; 17. positioning rod; 18. first scraper; 19. moving mechanism; 1901. positioning plate; 1902. electric push rod; 1903. connecting chamber; 1904. first slider; 1905. fourth motor; 1906. supporting roller; 1907. second slider; 20. second scraper. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] See also Figure 1-3 In this embodiment, a color-coated steel strip coating coating device includes six first supporting legs 1, and the tops of the three front and three rear first supporting legs 1 are fixed with connecting plates 2, and the front of the front connecting plate 2 is fixed with two first slide rails, and the first slide rail is adapted to the first slider 1904, and the interior of the rear connecting plate 2 is fixed with a second slide rail adapted to the second slider 1907. Through the arrangement of the first slide rail and the second slide rail, the moving mechanism 19 can be supported, thereby improving the stability of the moving mechanism 19 during operation, and a paint tray 3 for storing paint and having a trapezoidal shape is fixed between the two connecting plates 2, and four second supporting legs 4 are fixed to the bottom of the paint tray 3, and a second scraper 20 is fixed to the inner bottom wall of the paint tray 3, and the second scraper 20 can scrape off excess paint on the strip roller 12, and a stirring component that penetrates into the paint tray 3 and is used to stir the paint is fixed on the left side of the paint tray 3.

[0033] Among them, the stirring component includes a protective bin 5 fixed to the left side of the paint tray 3, a first motor 6 is fixed to the left side wall of the inner cavity of the protective bin 5, and a stirring rod 7 penetrating into the paint tray 3 is fixed to the output shaft of the first motor 6. Through the setting of the stirring component, the paint inside the paint tray 3 can be continuously stirred, and the bubbles in the paint can be removed, so that during subsequent coating, the paint can fit better with the strip steel, reducing the amount of waste and defective products during strip steel coating production.

[0034] A coating mechanism is fixed on the back side of the rear connecting plate 2, which passes through the front side of the rear connecting plate 2 and is rotatably connected to the back side of the front connecting plate 2. A scraping assembly is fixed inside the front connecting plate 2, and a moving mechanism 19 is fixed on the front side of the front connecting plate 2, which passes through the rear side of the front connecting plate 2 and is movably connected to the rear connecting plate 2.

[0035] In addition, the coating mechanism includes a working chamber 8 fixed to the back of the rear connecting plate 2, a second motor 9 is fixed to the rear wall of the inner cavity of the working chamber 8, a coating roller 10 is fixed to the output shaft of the second motor 9, which passes through the front of the rear connecting plate 2 and is rotatably connected to the front connecting plate 2, and a loading assembly is fixed to the outer surface of the coating roller 10, one end of which is fixed to the inside of the working chamber 8 and the other end of which is rotatably connected to the front connecting plate 2. The coating mechanism can dip the coating on the coating tray 3 so that the coating can be transported to the coating roller 10, and then the coating can be applied to the surface of the strip through the cooperation of the support roller 1906 and the coating roller 10. The loading assembly includes a coating roller 1 0, a first transmission assembly 11 is fixed on the outer surface of the belt roller 12, a belt roller 12 with one end fixed to the working bin 8 and the other end rotatably connected to the front connecting plate 2 is fixed on the left side of the first transmission assembly 11, a second transmission assembly 13 is fixed on the outer surface of the belt roller 12, a metering roller 14 with one end fixed to the working bin 8 and the other end rotatably connected to the front connecting plate 2 is fixed on the left side of the second transmission assembly 13, and a first bearing fixed to the rear side wall of the inner cavity of the working bin 8 is fixed to the back of the belt roller 12 and the metering roller 14. The provision of the first bearing can support the belt roller 12 and the metering roller 14, and can enable the belt roller 12 and the metering roller 14 to rotate stably.

[0036] It should be noted that the loading component can dip and transport the paint. Through the cooperation of the metering roller 14 and the belt roller 12, the excess paint on the belt roller 12 can be squeezed out, so that the paint on the belt roller 12 can be evenly transported to the coating roller 10, and the excess paint will fall back into the paint tray 3.

[0037] Furthermore, the scraping assembly includes a third motor 15 fixed to the inside of the front connecting plate 2, the output shaft of the third motor 15 is fixed with a threaded rod 16 rotatably connected to the front of the rear connecting plate 2, the outer surface of the threaded rod 16 is threadedly connected to a first scraper 18 that is in movably contact with the outer surfaces of the coating roller 10 and the belt roller 12, and the first scraper 18 is movably connected to three positioning rods 17 fixed between the two connecting plates 2. The positioning rods 17 can limit the position of the first scraper 18 to prevent the first scraper 18 from rotating synchronously with the threaded rod 16, thereby improving the stability of the scraping assembly operation.

[0038] It is further explained that the scraping assembly can scrape off the paint accumulated between the belt roller 12 and the coating roller 10. By moving the first scraper 18 back and forth, the first scraper 18 can push the accumulated paint to the front and rear sides of the belt roller 12, so that the paint can fall into the paint tray 3.

[0039] See also Figure 4 In order to adjust the roller gap, the moving mechanism 19 in this embodiment includes a positioning plate 1901 fixed to the front side of the front connecting plate 2, an electric push rod 1902 is fixed to the left side of the positioning plate 1901, a connecting bin 1903 is fixed to the left side of the electric push rod 1902, four first sliders 1904 are fixed to the back of the connecting bin 1903, a fourth motor 1905 is fixed inside the connecting bin 1903, a supporting roller 1906 that penetrates to the back side of the front connecting plate 2 and is rotatably connected to the inside of the rear connecting plate 2 is fixed to the output shaft of the fourth motor 1905, a second bearing fixed to the front side of the second slider 1907 is fixed to the back side of the supporting roller 1906, the second bearing is set so that the supporting roller 1906 can rotate normally, and a second slider 1907 movably connected to the inside of the rear connecting plate 2 is fixed to the back side of the supporting roller 1906.

[0040] It should be noted that the operation of the moving mechanism 19 can make the support roller 1906 move left and right, and then the distance between the support roller 1906 and the coating roller 10 can be adjusted, so that the strip coating coating device can be suitable for strips of different thicknesses, thereby improving the practicality of the strip coating coating device. In addition, through the setting of the moving mechanism 19, the distance between the support roller 1906 and the coating roller 10 can be automatically adjusted without the need for manual adjustment after stopping the machine.

[0041] The electrical components appearing in the text are all electrically connected to the controller and the power supply. The control method of the utility model is controlled by the controller. The control circuit of the controller can be realized by simple programming by technicians in this field. The provision of power supply is also common knowledge in this field. The utility model is mainly used to protect mechanical devices, so the utility model will no longer explain the control method and circuit connection in detail.

[0042] The working principle of the above embodiment is:

[0043] (1) When in use, fill the paint tray 3 with paint, start the second motor 9, so that the second motor 9 drives the coating roller 10 to rotate. When the coating roller 10 rotates, it will drive the first transmission component 11 to operate, so that the belt roller 12 rotates. When the belt roller 12 rotates, the metering roller 14 rotates through the action of the second transmission component 13. Through the rotation of the belt roller 12, the belt roller 12 dips the paint in the paint tray 3. Under the action of the metering roller 14, the paint on the belt roller 12 can be pressurized to squeeze the excess paint into the paint tray 3. When the paint falls into the paint tray 3, bubbles are generated. Under the operation of the first motor 6, the first motor 6 drives the stirring rod 7 to stir the paint in the paint tray 3, thereby removing the bubbles in the paint in the paint tray 3. When the paint is subsequently coated, the paint can fit the strip better, thereby reducing the amount of waste and defective products in the strip coating production.

[0044] (2) When the belt roller 12 is running, due to the high rotation speed, the paint will accumulate between the belt roller 12 and the coating roller 10. The third motor 15 is started, and the threaded rod 16 is driven to rotate by the third motor 15. The threaded rod 16 drives the first scraper 18 to move back and forth. The movement of the first scraper 18 will scrape the paint between the belt roller 12 and the coating roller 10, so that the paint falls into the paint tray 3 from both sides, which can prevent the surface linear color difference of the strip from appearing during coating.

[0045] (3) When the equipment is working, it is necessary to adjust the distance between the support roller 1906 and the coating roller 10 so that the equipment can process strip steel of different thicknesses. The electric push rod 1902 is started. Through the operation of the electric push rod 1902, the connecting bin 1903 is pushed. Through the connection between the first slider 1904 on the rear side of the connecting bin 1903 and the first slide rail, the connecting bin 1903 can move left and right, thereby driving the support roller 1906 to move left and right. When the support roller 1906 moves, the second slider 1907 is connected to the second slide rail inside the rear connecting plate 2, so that the overall movement of the moving mechanism 19 is smoother, thereby achieving the purpose of automatically adjusting the roller gap distance and reducing the time-consuming and labor-intensive manual adjustment problem.

Claims

1. A color-coated steel strip coating device, comprising six first support legs (1), characterized in that: A connecting plate (2) is fixed to the top of each of the three front and three rear supporting legs (1); a paint tray (3) in a trapezoidal shape for storing paint is fixed between two of the connecting plates (2); four second supporting legs (4) are fixed to the bottom of the paint tray (3); a second scraper (20) is fixed to the inner bottom wall of the paint tray (3); and a stirring component that penetrates the interior of the paint tray (3) and is used to stir the paint is fixed to the left side of the paint tray (3); A coating mechanism is fixed on the back side of the rear connecting plate (2) and extends through the front side of the rear connecting plate (2) and is rotatably connected to the back side of the front connecting plate (2); a scraping assembly is fixed inside the front connecting plate (2) and is rotatably connected to the rear connecting plate (2); and a moving mechanism (19) is fixed on the front side of the front connecting plate (2) and extends through the rear side of the front connecting plate (2) and is movably connected to the rear connecting plate (2); The moving mechanism (19) comprises a positioning plate (1901) fixed to the front of the front connecting plate (2); an electric push rod (1902) is fixed to the left side of the positioning plate (1901); a connecting bin (1903) is fixed to the left side of the electric push rod (1902); four first sliders (1904) are fixed to the back of the connecting bin (1903); a fourth motor (1905) is fixed inside the connecting bin (1903); a supporting roller (1906) penetrating through the back of the front connecting plate (2) and rotatably connected to the inside of the rear connecting plate (2) is fixed to the output shaft of the fourth motor (1905); a second slider (1907) movably connected to the inside of the rear connecting plate (2) is fixed to the back of the supporting roller (1906).

2. The color-coated steel strip coating device according to claim 1, characterized in that: The stirring assembly comprises a protective chamber (5) fixed to the left side of the paint tray (3); a first motor (6) is fixed to the left side wall of the inner cavity of the protective chamber (5); and a stirring rod (7) penetrating into the interior of the paint tray (3) is fixed to the output shaft of the first motor (6).

3. The color-coated steel strip coating device according to claim 1, characterized in that: The coating mechanism comprises a working chamber (8) fixed to the back side of the rear connecting plate (2); a second motor (9) is fixed to the rear side wall of the inner cavity of the working chamber (8); an output shaft of the second motor (9) is fixed with a coating roller (10) which passes through the front side of the rear connecting plate (2) and is rotatably connected to the front connecting plate (2); and a loading component is fixed to the outer surface of the coating roller (10), one end of which is fixed to the inside of the working chamber (8) and the other end of which is rotatably connected to the front connecting plate (2).

4. The color-coated steel strip coating device according to claim 3 is characterized in that: The feeding assembly comprises a first transmission assembly (11) fixed to the outer surface of the coating roller (10); a material belt roller (12) is fixed on the left side of the first transmission assembly (11), one end of which is fixed to the working bin (8) and the other end of which is rotatably connected to the front connecting plate (2); a second transmission assembly (13) is fixed on the outer surface of the material belt roller (12); a metering roller (14) is fixed on the left side of the second transmission assembly (13), one end of which is fixed to the working bin (8) and the other end of which is rotatably connected to the front connecting plate (2).

5. The color-coated steel strip coating device according to claim 4 is characterized in that: The scraping assembly comprises a third motor (15) fixed inside the front connecting plate (2); the output shaft of the third motor (15) is fixed with a threaded rod (16) rotatably connected to the front of the rear connecting plate (2); the outer surface of the threaded rod (16) is threadedly connected with a first scraper (18) movably contacting the outer surfaces of the coating roller (10) and the material belt roller (12); the first scraper (18) is movably connected with three positioning rods (17) fixed between the two connecting plates (2).

6. The color-coated steel strip coating device according to claim 1, characterized in that: Two first slide rails are fixed on the front side of the front connecting plate (2), and the first slide rails are compatible with the first sliding block (1904). A second slide rail compatible with the second sliding block (1907) is fixed inside the rear connecting plate (2).

7. The color-coated steel strip coating device according to claim 4 is characterized in that: The back sides of the material belt roller (12) and the metering roller (14) are both fixed with a first bearing fixed to the rear side wall of the inner cavity of the working chamber (8).

8. The color-coated steel strip coating device according to claim 1, characterized in that: A second bearing fixed to the front side of the second slider (1907) is fixed to the back side of the support roller (1906).

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