Surface corrosion-resistant spraying device for nodular cast iron

Abstract

The utility model discloses a surface corrosion-resistant spraying device for nodular cast iron, which comprises a box body, a power box and an exhaust bin, a working table of the box body inclines leftwards at a certain angle, and a corrosion-resistant grid plate is fixedly connected onto the working table; the corrosion-resistant grid plate and the working table are matched to enable the working face of the box body to be in a horizontal state, and a waste collecting box is arranged on the left end face of the box body; the exhaust bin is located in the box body, and the lower end face of the exhaust bin is fixedly connected with the upper end face of the corrosion-resistant grid plate. The upper end face of the exhaust bin is fixedly connected with the lower end face of the power box, and the power box is located in the box body. A motor, a first bevel gear and a first rotating shaft are arranged in the power box. According to the device, three functions of rotating the nodular cast iron roller, spraying paint and absorbing and filtering harmful gas generated during spraying are achieved through a single power source, and the device is simple and stable in structure and high in practicability.

Description

Technical Field

[0001] This utility model relates to the field of ductile iron spraying technology, specifically to a surface corrosion-resistant spraying device for ductile iron. Background Technology

[0002] Ductile iron, a high-strength cast iron material developed in the 1950s, boasts comprehensive properties approaching those of steel. Based on its superior performance, it has been successfully used to cast parts subject to complex stresses and requiring high strength, toughness, and wear resistance. In actual production, these parts are often in roll form. Furthermore, considering practical needs and the working environment, the surface of ductile iron rolls is typically coated with a corrosion-resistant paint. However, existing corrosion-resistant coating devices for ductile iron still have certain shortcomings, such as:

[0003] Application CN202322485142.9, entitled "A Surface Spraying Device," includes a processing table. A sealing cover is provided on the top outer wall of the processing table. Conveying and clamping assemblies are provided on both inner walls of the sealing cover. Each conveying and clamping assembly includes an electric guide rail mounted on the inner walls of the sealing cover. An electric slider is slidably mounted on the inner wall of the electric guide rail. A telescopic cylinder is fixed to the outer wall of the electric slider. An L-shaped clamping block is fixed to the piston rod of the telescopic cylinder. A spraying assembly and a drying assembly are provided in the middle of the sealing cover. A linearly distributed conveying roller is provided on one side of the top of the processing table. However, this device cannot absorb or filter harmful gases generated during spraying, which could easily endanger workers' health. Furthermore, it requires multiple power sources, resulting in high implementation costs and failing to meet usage requirements. Therefore, this paper proposes a surface corrosion-resistant spraying device for ductile iron to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to provide a surface corrosion-resistant spraying device for ductile cast iron, in order to solve the problem mentioned in the background art that the existing surface corrosion-resistant spraying devices for ductile cast iron cannot absorb and filter the harmful gases generated during spraying.

[0005] To achieve the above objectives, this utility model provides the following technical solution: It includes a housing, a power unit, and an exhaust chamber. The housing's work surface is tilted to the left at a certain angle, and a corrosion-resistant mesh plate is fixedly connected to the work surface. The corrosion-resistant mesh plate and the work surface cooperate to ensure that the housing's working surface is horizontal, and a waste collection box is provided on the left end face of the housing. The exhaust chamber is located inside the housing, and its lower end face is fixedly connected to the upper end face of the corrosion-resistant mesh plate. The upper end face of the exhaust chamber is connected to the lower end face of the power unit. The power box is fixedly connected to the power source and is located inside the power box. The power box contains a motor, a first helical gear, and a first rotating shaft. A support column is fixedly connected to the bottom surface of the power box, and the upper end face of the support column is fixedly connected to the lower end face of the motor. The motor shaft end is fixedly connected to the first rotating shaft. The right end of the first rotating shaft penetrates the right wall of the power box, and a fixing block is fitted on the outer edge bearing of the first rotating shaft. The left end face of the fixing block is fixedly connected to the right end face of the power box, and a three-jaw chuck is fixedly connected to the right end of the first rotating shaft.

[0006] The above technical solution facilitates the stability of the overall structure.

[0007] As a preferred embodiment of this utility model, the first helical gear is mounted on the first rotating shaft, and a second helical gear is meshed with the right end of the first helical gear, and a second rotating shaft is fixedly connected to the lower end face of the second helical gear; the second rotating shaft passes through the lower end face of the power box, the upper end face of the exhaust chamber, the worktable surface of the box body, and the corrosion-resistant mesh plate, and is connected to a bearing on the bottom surface of the box body; the second helical gear is provided at both the upper and lower ends of the second rotating shaft; a third helical gear is meshed with the right end of the second helical gear located in the exhaust chamber, and a third rotating shaft is fixedly connected to the right end of the third helical gear; the third rotating shaft passes through the right end face of the exhaust chamber, and a fan blade is fixedly connected to the right end of the third rotating shaft.

[0008] The above technical solution facilitates the transmission of internal mechanical power.

[0009] As a preferred embodiment of this utility model, an air inlet is provided on the right wall of the exhaust chamber; a filter plate is evenly arranged on the left end of the exhaust chamber, and an exhaust hole is provided on the left end face of the exhaust chamber; the exhaust hole penetrates through the box body and the left wall of the exhaust chamber.

[0010] The above technical solution facilitates the absorption of harmful gases by the exhaust chamber.

[0011] As a preferred technical solution of this utility model, a fixing column is provided on the bottom surface of the box body, and a fourth rotating shaft is fitted on the fixing column; the left end of the fourth rotating shaft is fixedly connected to the second helical gear, and the second helical gear located at the left end of the fourth rotating shaft meshes with the second helical gear located at the lower end of the second rotating shaft.

[0012] The above technical solution facilitates the stability of the internal structure.

[0013] As a preferred embodiment of this utility model, the right end of the fourth rotating shaft is connected to a housing, and the right end of the fourth rotating shaft is fixedly connected to an impeller; the impeller is located inside the housing.

[0014] The above technical solution facilitates the delivery of coatings.

[0015] As a preferred embodiment of this utility model, the upper end of the shell is fixedly connected to a material box via a corrosion-resistant water pipe, and the upper surface of the material box is fixedly connected to the inner top surface of the workbench of the box body; a material inlet is provided at the right end of the material box, and the right end of the material inlet penetrates the right wall of the box body; a corrosion-resistant feed pipe is fixedly connected to the lower end of the shell, and the corrosion-resistant feed pipe is embedded in the wall of the box body.

[0016] The above technical solution facilitates the application of coatings.

[0017] As a preferred embodiment of this utility model, the tail end of the corrosion-resistant feed pipe penetrates the top surface of the box body, and a spray head is fixedly connected to the tail end of the corrosion-resistant feed pipe; a sliding groove is provided on the worktable surface at the right end of the box body, and the sliding groove penetrates the corrosion-resistant mesh plate; a moving block is slidably connected to the sliding groove; a card seat is fixedly connected to the upper end face of the moving block, and a bearing is connected to the rotating shaft inside the card seat, and the three-jaw chuck is fixedly connected to the left end of the rotating shaft.

[0018] Compared with the prior art, the beneficial effects of this utility model are: the device realizes three functions through a single power source: rotation of ductile iron rolls, spraying of coatings, and absorption and filtration of harmful gases generated during spraying. It has a simple and stable structure and strong practicality.

[0019] 1. When using, first use the three-jaw chuck to fix the neck of the ductile iron roll, then close the box door and start the motor. The motor drives the first rotating shaft to rotate, and the first rotating shaft drives the three-jaw chuck to rotate, which causes the three-jaw chuck to drive the ductile iron roll it fixes to rotate, so that the tube body is sprayed evenly.

[0020] 2. At the same time, the No. 1 rotating shaft drives the No. 2 rotating shaft to rotate through the first and second helical gears, which in turn causes the No. 3 rotating shaft to rotate. The No. 3 rotating shaft drives the fan blades to rotate, thereby drawing the harmful gases generated during the spraying process into the exhaust chamber. The harmful gases are filtered through multiple layers of filter plates and then discharged through the exhaust port. The No. 2 rotating shaft also drives the No. 4 rotating shaft to rotate through the second helical gear at the lower end, which in turn drives the impeller to transport the paint in the material box to the spray head through the corrosion-resistant feed pipe, thereby uniformly coating the ductile iron roll. Attached Figure Description

[0021] Figure 1This is a schematic diagram of the main cross-sectional structure of this utility model;

[0022] Figure 2 This is a schematic diagram of the main structure of the utility model;

[0023] Figure 3 This utility model Figure 1 Enlarged schematic diagram of the structure at point A in the middle;

[0024] Figure 4 This utility model Figure 1 Enlarged schematic diagram of the structure at point B;

[0025] Figure 5 This is a schematic diagram of the connection structure between the first helical gear and the second helical gear of this utility model.

[0026] In the diagram: 1. Housing; 2. Power box; 3. Exhaust chamber; 4. Motor; 5. First helical gear; 6. Shaft No. 1; 7. Fixing block; 8. Filter plate; 9. Waste collection box; 10. Shaft No. 2; 11. Second helical gear; 12. Third helical gear; 13. Shaft No. 3; 14. Fan blade; 15. Three-jaw chuck; 16. Spray head; 17. Corrosion-resistant feed pipe; 18. Chassis seat; 19. Moving block; 20. Material box; 21. Injection port; 22. Shaft No. 4; 23. Shell; 24. Impeller; 25. Corrosion-resistant mesh plate. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Please see Figure 1-5The present invention provides a surface corrosion-resistant spraying device for ductile cast iron, comprising a housing 1, a power unit 2, and an exhaust chamber 3. The device is characterized in that: the worktable of the housing 1 is tilted to the left at a certain angle, and a corrosion-resistant mesh plate 25 is fixedly connected to the worktable; the corrosion-resistant mesh plate 25 and the worktable cooperate to ensure that the working surface of the housing 1 is horizontal, and a waste collection box 9 is provided on the left end face of the housing 1; the exhaust chamber 3 is located inside the housing 1, and the lower end face of the exhaust chamber 3 is fixedly connected to the upper end face of the corrosion-resistant mesh plate 25; the upper end face of the exhaust chamber 3 is connected to the power unit 25. The lower end face of the box 2 is fixedly connected, and the power box 2 is located inside the box body 1; the power box 2 contains a motor 4, a first helical gear 5 and a first rotating shaft 6; the bottom surface of the power box 2 is fixedly connected to a support column, and the upper end face of the support column is fixedly connected to the lower end face of the motor 4; the shaft end of the motor 4 is fixedly connected to the first rotating shaft 6; the right end of the first rotating shaft 6 penetrates the right wall of the power box 2, and a fixing block 7 is fitted on the outer edge bearing of the first rotating shaft 6; the left end face of the fixing block 7 is fixedly connected to the right end face of the power box 2, and a three-jaw chuck 15 is fixedly connected to the right end of the first rotating shaft 6 to ensure the stability of the overall structure;

[0029] A first helical gear 5 is mounted on a first rotating shaft 6, and a second helical gear 11 is meshed with the right end of the first helical gear 5. A second rotating shaft 10 is fixedly connected to the lower end face of the second helical gear 11. The second rotating shaft 10 passes through the lower end face of the power box 2, the upper end face of the exhaust chamber 3, the worktable surface of the box body 1, and the corrosion-resistant mesh plate 25, and is connected to the bearing on the inner bottom surface of the box body 1. The second helical gear 11 is installed at both the upper and lower ends of the second rotating shaft 10. A third helical gear 12 is meshed with the right end of the second helical gear 11 located in the exhaust chamber 3, and a third rotating shaft 13 is fixedly connected to the right end of the third helical gear 12. The third rotating shaft 13 passes through the right end face of the exhaust chamber 3, and a fan blade 14 is fixedly connected to the right end of the third rotating shaft 13 to facilitate the absorption of harmful gases by the exhaust chamber 3.

[0030] An air inlet is provided on the right wall of the exhaust chamber 3; filter plates 8 are evenly arranged on the left end of the exhaust chamber 3, and an exhaust hole is provided on the left end face of the exhaust chamber 3; the exhaust hole penetrates the left wall of the box body 1 and the exhaust chamber 3 to facilitate the filtration of harmful gases.

[0031] A fixed column is provided on the bottom surface of the box 1, and a fourth rotating shaft 22 is mounted on the fixed column; the left end of the fourth rotating shaft 22 is fixedly connected to the second helical gear 11, and the second helical gear 11 located at the left end of the fourth rotating shaft 22 meshes with the second helical gear 11 located at the lower end of the second rotating shaft 10, which facilitates the transmission of power in the internal mechanical structure.

[0032] The right end of the fourth rotating shaft 22 is connected to the housing 23, and the right end of the fourth rotating shaft 22 is fixedly connected to the impeller 24; the impeller 24 is located inside the housing 23 to facilitate the conveying of paint;

[0033] The upper end of the shell 23 is fixedly connected to the material box 20 through a corrosion-resistant water pipe, and the upper end of the material box 20 is fixedly connected to the inner top surface of the workbench surface of the box 1; the right end of the material box 20 is provided with a material inlet 21, and the right end of the material inlet 21 penetrates the right wall of the box 1; the lower end of the shell 23 is fixedly connected to a corrosion-resistant feed pipe 17, and the corrosion-resistant feed pipe 17 is embedded in the wall of the box 1.

[0034] The tail end of the corrosion-resistant feed pipe 17 penetrates the inner top surface of the box body 1, and the tail end of the corrosion-resistant feed pipe 17 is fixedly connected to the spray head 16; a slide groove is provided on the worktable at the right end of the box body 1, and the slide groove penetrates the corrosion-resistant mesh plate 25; a moving block 19 is slidably connected to the slide groove; a card seat 18 is fixedly connected to the upper end of the moving block 19, and a bearing is connected to the rotating shaft inside the card seat 18, and a three-jaw chuck 15 is fixedly connected to the left end of the rotating shaft to facilitate the fixing of ductile iron rolls of different specifications;

[0035] Working principle: When in use, first use the three-jaw chuck 15 to fix the neck of the ductile iron roll, then close the box door and start the motor 4. The motor 4 drives the first rotating shaft 6 to rotate, and the first rotating shaft 6 drives the three-jaw chuck 15 to rotate, so that the three-jaw chuck 15 drives the ductile iron roll it fixes to rotate, so that the tube body is sprayed evenly.

[0036] Meanwhile, the first rotating shaft 6 drives the second rotating shaft 10 to rotate via the first helical gear 5 and the second helical gear 11, thereby causing the third rotating shaft 13 to rotate. The third rotating shaft 13 drives the fan blade 14 to rotate, thereby drawing the harmful gases generated during the spraying process into the exhaust chamber 3. The harmful gases are filtered through the multi-layer filter plate 8 and discharged through the exhaust port. The second rotating shaft 10 also drives the fourth rotating shaft 22 to rotate via the second helical gear 11 at the lower end, thereby driving the impeller 24 to transport the paint in the material box 20 to the spray head 16 through the corrosion-resistant feed pipe 17, thereby uniformly coating the ductile iron roll. Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A surface corrosion-resistant spraying device for ductile cast iron, comprising a housing (1), a power unit (2), and an exhaust chamber (3), characterized in that: The workbench of the box (1) is tilted to the left at a certain angle, and a corrosion-resistant mesh plate (25) is fixedly connected to the workbench. The corrosion-resistant mesh plate (25) and the workbench cooperate to make the working surface of the box (1) horizontal. A waste collection box (9) is provided on the left end face of the box (1). The exhaust chamber (3) is located inside the box (1), and the lower end face of the exhaust chamber (3) is fixedly connected to the upper end face of the corrosion-resistant mesh plate (25). The upper end face of the exhaust chamber (3) is fixedly connected to the lower end face of the power box (2), and the power box (2) is located inside the box (1). The power box (2) contains a motor (4), a first helical gear (5) and a first rotating shaft (6); the bottom surface of the power box (2) is fixedly connected to a support column, and the upper end of the support column is fixedly connected to the lower end of the motor (4); the shaft end of the motor (4) is fixedly connected to the first rotating shaft (6); the right end of the first rotating shaft (6) passes through the right wall of the power box (2), and a fixing block (7) is fitted on the outer bearing of the first rotating shaft (6); the left end of the fixing block (7) is fixedly connected to the right end of the power box (2), and a three-jaw chuck (15) is fixedly connected to the right end of the first rotating shaft (6).

2. The surface corrosion-resistant spraying device for ductile cast iron according to claim 1, characterized in that: The first helical gear (5) is mounted on the first rotating shaft (6), and the right end of the first helical gear (5) is meshed with a second helical gear (11), and the lower end face of the second helical gear (11) is fixedly connected to the second rotating shaft (10); the second rotating shaft (10) passes through the lower end face of the power box (2), the upper end face of the exhaust chamber (3), the worktable of the box body (1), and the corrosion-resistant mesh plate (25), and is connected to the bearing on the inner bottom surface of the box body (1); the second helical gear (11) is provided at both the upper and lower ends of the second rotating shaft (10); the right end of the second helical gear (11) located in the exhaust chamber (3) is meshed with a third helical gear (12), and the right end of the third helical gear (12) is fixedly connected to the third rotating shaft (13); the third rotating shaft (13) passes through the right end face of the exhaust chamber (3), and the right end of the third rotating shaft (13) is fixedly connected to a fan blade (14).

3. The surface corrosion-resistant spraying device for ductile cast iron according to claim 2, characterized in that: An air inlet is provided on the right wall of the exhaust chamber (3); a filter plate (8) is evenly arranged on the left end of the exhaust chamber (3), and an exhaust hole is provided on the left end face of the exhaust chamber (3); the exhaust hole penetrates the left wall of the box body (1) and the exhaust chamber (3).

4. The surface corrosion-resistant spraying device for ductile cast iron according to claim 3, characterized in that: The bottom surface of the box (1) is provided with a fixed column, and a fourth rotating shaft (22) is fitted on the fixed column; the left end of the fourth rotating shaft (22) is fixedly connected to the second helical gear (11), and the second helical gear (11) located at the left end of the fourth rotating shaft (22) meshes with the second helical gear (11) located at the lower end of the second rotating shaft (10).

5. The surface corrosion-resistant spraying device for ductile cast iron according to claim 4, characterized in that: The right end of the fourth rotating shaft (22) is connected to the housing (23), and the right end of the fourth rotating shaft (22) is fixedly connected to the impeller (24); the impeller (24) is located inside the housing (23).

6. The surface corrosion-resistant spraying device for ductile cast iron according to claim 5, characterized in that: The upper end of the shell (23) is fixedly connected to a material box (20) via a corrosion-resistant water pipe, and the upper end of the material box (20) is fixedly connected to the inner top surface of the workbench of the box body (1); the right end of the material box (20) is provided with a material inlet (21), and the right end of the material inlet (21) penetrates the right wall of the box body (1); the lower end of the shell (23) is fixedly connected to a corrosion-resistant feed pipe (17), and the corrosion-resistant feed pipe (17) is embedded in the wall of the box body (1).

7. The surface corrosion-resistant spraying device for ductile cast iron according to claim 6, characterized in that: The tail end of the corrosion-resistant feed pipe (17) penetrates the inner top surface of the box body (1), and the tail end of the corrosion-resistant feed pipe (17) is fixedly connected to a spray head (16); a sliding groove is provided on the worktable at the right end of the box body (1), and the sliding groove penetrates the corrosion-resistant mesh plate (25); a moving block (19) is slidably connected on the sliding groove; a card seat (18) is fixedly connected to the upper end face of the moving block (19), and a bearing is connected to the rotating shaft in the card seat (18), and the left end of the rotating shaft is fixedly connected to the three-jaw chuck (15).

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