Self-cleaning anticorrosive coating dispersion apparatus and method

Abstract

This invention discloses a self-cleaning anti-corrosion coating dispersion device and method, including a disperser body, a lifting shell on the disperser body, and a mixing tank below the lifting shell; a stirring shaft is disposed in the lifting shell and in the mixing tank; multiple sets of mounting rods are disposed on the stirring shaft, stirring blades are disposed on the mounting rods, and mounting cavities are disposed on the mounting rods; a connecting component is disposed in the mounting cavity, and the connecting component is connected to the stirring blades; the stirring shaft is also provided with a drive channel; the beneficial effect of this invention is that by setting a mounting cavity communicating with the drive channel in the mounting rod of the stirring shaft, and configuring a connecting component connected to the stirring blades in the mounting cavity, the stirring blades simultaneously serve as the stirring actuator for coating dispersion and the scraping actuator for cleaning residue on the tank wall, thus eliminating the structural defects of existing dispersion devices where the stirring mechanism and cleaning mechanism are separately and independently set.

Description

Technical Field

[0001] This invention relates to a self-cleaning anti-corrosion coating dispersion device and method. Background Technology

[0002] In the industrial production of anti-corrosion coatings, high-speed dispersers are the core equipment for achieving mixing, dispersion, and homogenization of coating raw materials. Their dispersion effect directly determines the film-forming performance, protective effect, and batch stability of anti-corrosion coatings.

[0003] Since anti-corrosion coatings are mostly high-viscosity viscous systems containing pigments, fillers, and functional additives, existing dispersion equipment has significant drawbacks in practical applications: First, conventional dispersion equipment mostly adopts a fixed operating radius stirring structure, which has a limited stirring coverage area and is prone to forming stirring dead zones. It is difficult to achieve uniform and efficient dispersion of high-viscosity anti-corrosion coatings, and it cannot flexibly adjust the operating range according to the material capacity and coating viscosity, resulting in poor adaptability to working conditions. Second, after dispersion, a large amount of high-viscosity coating residue easily adheres to the inner wall of the stirring tank and the stirring components. This residue is prone to rapid solidification, which not only wastes materials but also causes cross-contamination in subsequent batches of production, affecting the stability of product quality. Third, in existing cleaning solutions, manual cleaning is labor-intensive, inefficient, incomplete, and poses safety hazards. Adding independent wall scraping and blowing mechanisms would lead to redundant equipment structure, increased size, and significantly increased manufacturing costs, assembly difficulty, and subsequent maintenance costs. The separate and independent setting of stirring and cleaning mechanisms further increases the complexity of equipment control and poor operational compatibility. In view of this, the present invention proposes a self-cleaning anti-corrosion coating dispersion equipment and method to solve the above problems. Summary of the Invention

[0004] The purpose of this invention is to provide a self-cleaning anti-corrosion coating dispersion device and method to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] A self-cleaning anti-corrosion coating dispersion device includes a disperser body, a lifting shell is provided on the disperser body, and a stirring tank is provided below the lifting shell.

[0007] The lifting housing is equipped with a stirring shaft, which is placed inside a stirring tank. Multiple sets of mounting rods are mounted on the stirring shaft, and stirring blades are mounted on each mounting rod. Each mounting rod has a mounting cavity containing a connecting assembly connected to the stirring blades. The stirring shaft also has a drive channel communicating with the mounting cavity. The drive channel is used to inject high-pressure gas, causing the connecting assembly to slide within the mounting cavity and driving the stirring blades to move towards the inner wall of the stirring tank for scraping and cleaning.

[0008] As an improvement to the above technical solution, a drive servo motor is provided on the lifting housing, and a drive wheel and a driven wheel are rotatably arranged in the lifting housing, with a transmission belt provided between the drive wheel and the driven wheel;

[0009] The drive servo motor is connected to the drive wheel, and the stirring shaft is located at the center of the driven wheel and is fixedly connected to the driven wheel.

[0010] As an improvement to the above technical solution, the mounting rod is provided with a connection hole;

[0011] The connecting assembly includes a connecting rod that is connected to the stirring blade. The connecting rod is slidably disposed in the connecting hole. A movable block is provided on the connecting rod. A rubber sealing ring is provided on the outer wall of the movable block. The rubber sealing ring is in contact with the inner wall of the mounting cavity.

[0012] As an improvement to the above technical solution, the mounting rod is provided with two sets of guide holes, which are respectively located on both sides of the connecting hole;

[0013] The connecting assembly also includes two sets of guide rods, which are connected to the stirring blades, and the two sets of guide rods are slidably disposed in the guide holes of the two sets respectively.

[0014] As an improvement to the above technical solution, a return spring is provided on the movable block, and the return spring is sleeved on the outer wall of the mounting rod;

[0015] The reset spring is disposed in the mounting cavity and is connected to the inner wall of the mounting cavity and the movable block.

[0016] As an improvement to the above technical solution, the stirring blade is provided with a first stirring arm and a second stirring arm, and the first stirring arm and the second stirring arm are arranged vertically.

[0017] The mounting rod is connected to the first stirring arm.

[0018] As an improvement to the above technical solution, an air intake channel is provided inside the movable block;

[0019] The first and second stirring arms are provided with air outlet channels, which are connected to the air inlet channel.

[0020] The first stirring arm and the second stirring arm are provided with multiple sets of air outlets, and the multiple sets of air outlets are connected to the air outlet channel.

[0021] As an improvement to the above technical solution, a fixed pipe is provided on the stirring shaft, and the fixed pipe is connected to the drive channel;

[0022] The fixed pipe is rotatably connected to the stirring shaft, and the fixed pipe is also coaxially arranged with the stirring shaft.

[0023] A method for using a self-cleaning anti-corrosion coating dispersion device includes the following steps:

[0024] S1. Materials in place:

[0025] The anti-corrosion coating raw material is introduced into the mixing tank. The lifting shell on the disperser body is controlled to descend, which drives the stirring shaft vertically set on the lifting shell and the stirring blades connected to the stirring shaft by the mounting rod to extend into the mixing tank.

[0026] S2, Fixed-size stirring and dispersion:

[0027] The driving stirring shaft rotates around its own axis, causing the stirring blades to rotate circumferentially with the stirring shaft, thereby performing dimensional stirring and dispersion of the anti-corrosion coating in the mixing tank;

[0028] S3, Radial Enhanced Stirring:

[0029] High-pressure gas is continuously injected into the drive channel axially opened inside the stirring shaft, so that the high-pressure gas flows into the mounting cavity connected to the drive channel inside the mounting rod, pushing the connecting component inside the mounting cavity to slide radially outward along the mounting cavity, thereby driving the stirring blade to move towards the inner wall of the mixing tank, adjusting the rotation radius of the stirring blade, and cooperating with the rotation of the stirring shaft to perform variable-diameter stirring and dispersion of the anti-corrosion coating inside the mixing tank.

[0030] S4. Self-cleaning scraping mechanism:

[0031] After the mixing and dispersion operation is completed, high-pressure gas is continuously injected into the drive channel. The high-pressure gas drives the connecting assembly to move the mixing blades radially until they are completely in contact with the inner wall of the mixing tank. The mixing shaft is controlled to rotate continuously, and the mixing blades scrape off the residual anti-corrosion coating adhering to the inner wall of the mixing tank, completing the self-cleaning operation of the mixing tank.

[0032] As an improvement to the above technical solution, in steps S2, S3, and S4, a drive servo motor fixed on the lifting housing drives the stirring shaft to rotate via a belt transmission mechanism consisting of a drive wheel, a driven wheel, and a transmission belt, precisely adjusting the speed and output torque of the stirring shaft according to the working conditions.

[0033] Under both fixed-diameter and variable-diameter mixing conditions, the corresponding rotation speed and torque are matched according to the viscosity and material volume of the anti-corrosion coating to improve the uniformity of coating dispersion.

[0034] Under the self-cleaning condition of scraping the wall, it maintains constant speed and constant torque output to ensure that the contact pressure between the stirring blade and the inner wall of the mixing tank is uniform and consistent.

[0035] In steps S3 and S4, the high-pressure gas injected into the drive channel flows into the air outlet channel inside the stirring blade through the air inlet channel inside the mounting rod, and finally sprays out from the multiple sets of air outlet holes opened on the stirring blade; wherein, the total air outlet efficiency of the multiple sets of air outlet holes is lower than the air inlet efficiency of the drive channel, so that the stable air pressure of the drive connection component is continuously maintained in the mounting cavity.

[0036] In step S4, the stirring blades, through the first and second stirring arms which are perpendicular to each other, completely adhere to the inner side wall and bottom surface of the mixing tank, and simultaneously complete the full-range scraping and cleaning of the side wall and bottom of the mixing tank. At the same time, the high-pressure gas ejected through the air outlet performs simultaneous high-pressure blowing and cleaning of the scraping surface and the surface of the stirring blades.

[0037] After the self-cleaning operation is completed, the injection of high-pressure gas into the drive channel is stopped and the pressure is released. The connecting component is driven to slide back to its original position by the reset spring in the installation cavity, which drives the stirring blade to retract to the initial working position. Finally, the lifting housing is controlled to rise, which drives the stirring shaft and stirring blade to separate from the stirring tank.

[0038] Compared with the prior art, the beneficial effects of the present invention are:

[0039] By setting an installation cavity connected to the drive channel inside the mounting rod of the stirring shaft, and configuring a connecting component connected to the stirring blade inside the installation cavity, the stirring blade can simultaneously serve as the stirring actuator for coating dispersion and the scraping actuator for cleaning residue on the barrel wall. This eliminates the structural defects of the existing dispersion equipment where the stirring mechanism and the cleaning mechanism are set up separately, greatly simplifies the overall structure of the equipment, reduces the manufacturing cost, assembly difficulty and later maintenance cost of the equipment, and at the same time reduces the overall space occupied by the equipment.

[0040] By injecting high-pressure gas into the drive channel to drive the connecting assembly to slide along the mounting cavity, the radial working radius of the stirring blade can be flexibly adjusted. During the stirring process, the radial extension and retraction of the stirring blade can achieve variable diameter stirring, effectively expanding the coverage of the stirring operation, eliminating the stirring dead corners that exist in fixed radius stirring, and greatly improving the dispersion uniformity and dispersion efficiency of anti-corrosion coatings. It is especially suitable for the dispersion conditions of high viscosity anti-corrosion coatings. The stirring operation range can be flexibly adjusted for coatings of different capacities and viscosities, improving the equipment's adaptability to different production needs.

[0041] The high-pressure gas-driven connecting assembly drives the stirring blades to move radially until they are completely in contact with the inner wall of the mixing tank. The rotation of the stirring shaft allows the stirring blades to thoroughly scrape and clean the residual paint adhering to the inner wall of the mixing tank. No manual intervention is required for cleaning, and no additional independent wall scraping and cleaning mechanism is needed, which greatly improves the automation level and cleaning efficiency of the equipment. At the same time, it can effectively prevent the residual paint from contaminating subsequent batches of materials after it solidifies on the tank wall, ensuring the continuity of paint production and the stability of product batches.

[0042] By controlling the injection of high-pressure gas and regulating the pressure, it can adapt to three core operating conditions: conventional diameter stirring, variable diameter enhanced dispersion stirring, and barrel wall scraping self-cleaning. It can switch between different operating modes online without replacing equipment parts or making offline adjustments to the equipment structure, which greatly improves the ease of operation and operational compatibility of the equipment. Attached Figure Description

[0043] Figure 1 This is a schematic diagram of the structure of the present invention;

[0044] Figure 2 This is a schematic diagram showing the positions of the stirring shaft and mounting rod of the present invention;

[0045] Figure 3 This is a schematic diagram showing the positions of the stirring shaft and the fixed pipe of the present invention;

[0046] Figure 4 This is a schematic diagram of the mounting rod of the present invention;

[0047] Figure 5 This is a schematic diagram of the structure of the stirring blade of the present invention;

[0048] Figure 6 This is a side view of the stirring shaft of the present invention;

[0049] Figure 7 For the present invention Figure 6 Sectional view of AA;

[0050] Figure 8 For the present invention Figure 7 Enlarged structural diagram at point B;

[0051] Figure 9 For the present invention Figure 7 A magnified structural diagram at point C.

[0052] In the diagram: 10. Disperser body; 11. Drive servo motor; 12. Lifting housing; 13. Drive wheel; 14. Transmission belt; 15. Driven wheel; 16. Mixing tank; 20. Fixed pipe; 30. Mixing shaft; 31. Mounting rod; 32. Connecting hole; 33. Guide hole; 34. Drive channel; 35. Mounting cavity; 40. Mixing blade; 41. First mixing arm; 42. Second mixing arm; 43. Air outlet channel; 44. Air outlet; 50. Connecting assembly; 51. Connecting rod; 52. Guide rod; 53. Movable block; 54. Rubber sealing ring; 55. Mounting air inlet channel; 60. Return spring. Detailed Implementation

[0053] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0054] Example:

[0055] like Figure 1-9 As shown, this embodiment proposes a self-cleaning anti-corrosion coating dispersion device, including a disperser body 10, a lifting shell 12 is provided on the disperser body 10, and a stirring tank 16 is provided below the lifting shell 12.

[0056] The lifting housing 12 is equipped with a stirring shaft 30, which is disposed in the stirring tank 16. The stirring shaft 30 is provided with multiple sets of mounting rods 31, and each mounting rod 31 is provided with a stirring blade 40. The mounting rods 31 are provided with a mounting cavity 35, and a connecting assembly 50 is provided in the mounting cavity 35. The connecting assembly 50 is connected to the stirring blade 40. The stirring shaft 30 is also provided with a drive channel 34, which communicates with the mounting cavity 35. The drive channel 34 is used to inject high-pressure gas, so that the connecting assembly 50 slides in the mounting cavity 35, driving the stirring blade 40 to move towards the inner wall of the stirring tank 16 to scrape and clean.

[0057] In this embodiment, when stirring the anti-corrosion coating, the raw materials are introduced into the stirring tank 16. Then, the lifting shell 12 drives the stirring shaft 30 to descend, so that multiple sets of stirring blades 40 extend into the stirring tank 16. Then, the stirring shaft 30 rotates, driving the multiple sets of stirring blades 40 to perform stirring.

[0058] Of course, during the stirring process, high-pressure gas is injected into the drive channel 34, causing the connecting component 50 to slide in the mounting cavity 35, driving the stirring blade 40 to move towards the inner wall of the stirring tank 16 and fit together, so that the stirring blade 40 opens and closes to stir different areas.

[0059] Of course, when cleaning the inner wall of the mixing tank 16, the connecting component 50 slides in the mounting cavity 35, driving the stirring blade 40 to move towards the inner wall of the mixing tank 16 and fit together. The stirring blade 40 contacts the inner wall of the mixing tank 16, and then the stirring shaft 30 rotates to scrape out the residual material.

[0060] By setting an installation cavity 35 connected to the drive channel 34 in the installation rod 31 of the stirring shaft 30, and configuring a connecting component 50 connected to the stirring blade 40 in the installation cavity 35, the stirring blade 40 can simultaneously serve as a stirring actuator for coating dispersion and a scraping actuator for cleaning residue on the barrel wall. This eliminates the structural defects of the existing dispersion equipment where the stirring mechanism and the cleaning mechanism are set up separately, greatly simplifies the overall structure of the equipment, reduces the manufacturing cost, assembly difficulty and later maintenance cost of the equipment, and reduces the overall space occupied by the equipment.

[0061] By injecting high-pressure gas into the drive channel 34 to drive the connecting component 50 to slide along the mounting cavity 35, the radial working radius of the stirring blade 40 can be flexibly adjusted. During the stirring process, the radial extension and retraction of the stirring blade 40 can achieve variable diameter stirring, effectively expanding the coverage of the stirring operation, eliminating the stirring dead corners that exist in fixed radius stirring, and greatly improving the dispersion uniformity and dispersion efficiency of the anti-corrosion coating. It is especially suitable for the dispersion conditions of high viscosity anti-corrosion coatings. The stirring operation range can be flexibly adjusted for coatings of different capacities and viscosities, improving the equipment's adaptability to different production needs.

[0062] High-pressure gas drives the connecting assembly 50 to move the stirring blades 40 radially until they are completely in contact with the inner wall of the mixing tank 16. With the rotation of the stirring shaft 30, the stirring blades 40 can completely scrape and clean the residual paint adhering to the inner wall of the mixing tank 16. No manual intervention is required for cleaning, and no additional independent wall scraping and cleaning mechanism is needed, which greatly improves the automation level and cleaning efficiency of the equipment. At the same time, it can effectively prevent the residual paint from contaminating subsequent batches of materials after it solidifies on the tank wall, ensuring the continuity of paint production and the stability of product batches.

[0063] By controlling the injection of high-pressure gas and regulating the pressure, it can adapt to three core operating conditions: conventional diameter stirring, variable diameter enhanced dispersion stirring, and barrel wall scraping self-cleaning. It can switch between different operating modes online without replacing equipment parts or making offline adjustments to the equipment structure, which greatly improves the ease of operation and operational compatibility of the equipment.

[0064] Specifically, a drive servo motor 11 is provided on the lifting housing 12, and a drive wheel 13 and a driven wheel 15 are rotatably arranged in the lifting housing 12. A transmission belt 14 is provided between the drive wheel 13 and the driven wheel 15.

[0065] The drive servo motor 11 is connected to the drive wheel 13, and the stirring shaft 30 is located at the center of the driven wheel 15. The stirring shaft 30 is fixedly connected to the driven wheel 15.

[0066] In this embodiment, a drive servo motor 11 is used as the power source, which can achieve closed-loop precise control of the rotation speed and output torque of the stirring shaft 30. It can flexibly adapt to the full-scene operation requirements of this equipment. In the case of anti-corrosion coating dispersion and stirring, the rotation speed and torque can be precisely matched according to the coating viscosity and material volume to ensure the dispersion uniformity and dispersion efficiency of high viscosity anti-corrosion coating. In the case of barrel wall scraping and self-cleaning, it can maintain a stable constant rotation speed and constant torque output, avoid the instability of rotation speed due to load fluctuations during the scraping process, and ensure that the bonding pressure between the stirring blade 40 and the inner wall of the stirring barrel 16 is uniform and consistent, completely avoiding the problems of material leakage and local inadequate bonding.

[0067] Specifically, the mounting rod 31 is provided with a connecting hole 32;

[0068] The connecting assembly 50 includes a connecting rod 51, which is connected to the stirring blade 40. The connecting rod 51 is slidably disposed in the connecting hole 32. A movable block 53 is provided on the connecting rod 51. A rubber sealing ring 54 is provided on the outer wall of the movable block 53. The rubber sealing ring 54 is in contact with the inner wall of the mounting cavity 35.

[0069] Specifically, the mounting rod 31 is provided with two sets of guide holes 33, and the two sets of guide holes 33 are respectively arranged on both sides of the connecting hole 32;

[0070] The connecting assembly 50 also includes two sets of guide rods 52, which are connected to the stirring blade 40. The two sets of guide rods 52 are slidably disposed in the two sets of guide holes 33.

[0071] In this embodiment, the connecting rod 51 slides through the connecting hole 32, providing a core linear motion reference for the radial extension and retraction of the stirring blade 40, defining the motion trajectory of the extension and retraction action, and ensuring the control accuracy of the extension and retraction stroke; the movable block 53 at the end of the connecting rod 51 cooperates with the inner wall of the mounting cavity 35 to form a pneumatically driven pressure-bearing piston structure, which can directly convert the pressure energy of the high-pressure gas injected in the drive channel 34 into the mechanical thrust that drives the radial displacement of the stirring blade 40. The power transmission path is short, the transmission efficiency is high, and there is no additional mechanical transmission loss. The extension and retraction stroke and radial contact pressure of the stirring blade 40 can be precisely controlled by adjusting the air pressure.

[0072] The rubber sealing ring 54 set on the outer wall of the movable block 53 realizes the full circumferential dynamic seal between the movable block 53 and the inner wall of the mounting cavity 35, completely avoiding the leakage of high pressure gas from the mating gap, ensuring that the driving pressure can be stably established in the mounting cavity 35, eliminating the problems of failure of the stirring blade 40 to expand and contract and insufficient wall scraping pressure caused by pressure leakage, and fundamentally ensuring the reliability of the self-cleaning operation.

[0073] Specifically, a return spring 60 is provided on the movable block 53, and the return spring 60 is sleeved on the outer wall of the mounting rod 31;

[0074] The reset spring 60 is disposed in the mounting cavity 35 and is connected to the inner wall of the mounting cavity 35 and the movable block 53.

[0075] In this embodiment, when high-pressure gas is injected into the drive channel 34 to drive the movable block 53 to drive the stirring blade 40 to extend radially, the reset spring 60 is synchronously compressed and stores energy; when the high-pressure gas is depressurized and the driving pressure is removed, the reset spring 60 releases its elastic potential energy, and the movable block 53 slides in the opposite direction along the mounting cavity 35, and drives the stirring blade 40 to automatically retract to the initial working position through the connecting rod 51.

[0076] Specifically, the stirring blade 40 is provided with a first stirring arm 41 and a second stirring arm 42, and the first stirring arm 41 and the second stirring arm 42 are arranged vertically.

[0077] The mounting rod 31 is connected to the first stirring arm 41.

[0078] In this embodiment, the first stirring arm 41 contacts the side wall of the stirring tank 16, and the second stirring arm 42 contacts the bottom surface of the stirring tank 16, thereby completing the scraping process.

[0079] Specifically, an air intake channel 55 is provided inside the movable block 53;

[0080] The first stirring arm 41 and the second stirring arm 42 are provided with an air outlet channel 43, which is connected to the air inlet channel 55.

[0081] The first stirring arm 41 and the second stirring arm 42 are provided with multiple sets of air outlets 44, and the multiple sets of air outlets 44 are connected to the air outlet channel 43.

[0082] In this embodiment, the air outlet efficiency of the multiple sets of air outlets 44 is lower than the air intake efficiency of the drive channel 34, so that the high-pressure gas can drive the movable block 53 to move.

[0083] By opening an air inlet channel 55 in the mounting rod 31 that communicates with the mounting cavity 35, and by arranging an air outlet channel 43 and an air outlet 44 in the first stirring arm 41 and the second stirring arm 42 that communicate with the air inlet channel 55, the same high-pressure air source that drives the stirring blades 40 to extend and retract can be used simultaneously as the air source for high-pressure purging and cleaning. This eliminates the redundant design of existing dispersion equipment where the driving air path and the cleaning air path are independent and require separate air sources and control systems. It also eliminates the need for additional independent purging pipelines and air supply systems, significantly reducing the complexity of the equipment's pipeline layout, overall size, and manufacturing cost.

[0084] By limiting the total air output efficiency of multiple sets of air outlets 44 to be lower than the air intake efficiency of the drive channel 34, the high-pressure gas injected into the drive channel 34 can preferentially establish and maintain a stable drive pressure in the installation cavity 35. This ensures that the high-pressure gas can stably push the movable block 53 to move, precisely control the extension and retraction stroke of the stirring blade 40 and the pressure against the barrel wall, and completely avoid the core problems of insufficient drive pressure in the installation cavity 35, failure of the extension and retraction action of the stirring blade 40, and insufficient pressure against the scraping wall caused by excessive gas leakage from the air outlets 44. At the same time, this diameter matching design can ensure a continuous and stable flow of high-pressure gas through the installation inlet channel 55 and the air outlet channel 43 and sprayed out from the air outlets 44, achieving synchronous purging and cleaning. There is no need to set up an additional gas path switching valve, which can achieve coordinated operation of drive priority and synchronous cleaning. The two core functions do not interfere with each other and are stable and compatible, which greatly improves the automation level and operational stability of the equipment.

[0085] Specifically, a fixed pipe 20 is provided on the stirring shaft 30, and the fixed pipe 20 is connected to the drive channel 34;

[0086] The fixed pipe 20 is rotatably connected to the stirring shaft 30, and the fixed pipe 20 is also coaxially arranged with the stirring shaft 30.

[0087] In this embodiment, the fixed pipe 20 facilitates the introduction of high-pressure gas into the drive channel 34 and into the mounting cavity 35. The high-pressure gas pushes the movable block 53 to move, and at the same time, the high-pressure gas is discharged from multiple sets of air outlets 44 through the mounting inlet channel 55 and the outlet channel 43.

[0088] A method for using a self-cleaning anti-corrosion coating dispersion device includes the following steps:

[0089] S1. Materials in place:

[0090] The anti-corrosion coating raw material is introduced into the mixing tank 16, and the lifting housing 12 on the disperser body 10 is controlled to descend, which drives the stirring shaft 30 vertically set on the lifting housing 12 and the stirring blade 40 connected to the stirring shaft 30 by the mounting rod 31 to extend into the mixing tank 16.

[0091] S2, Fixed-size stirring and dispersion:

[0092] The driving stirring shaft 30 rotates around its own axis, causing the stirring blades 40 to rotate circumferentially with the stirring shaft 30, thereby performing sizing, stirring and dispersing of the anti-corrosion coating in the mixing tank 16.

[0093] S3, Radial Enhanced Stirring:

[0094] High-pressure gas is continuously injected into the drive channel 34 axially opened inside the stirring shaft 30, so that the high-pressure gas flows into the mounting cavity 35 connected to the drive channel 34 inside the mounting rod 31, pushing the connecting component 50 inside the mounting cavity 35 to slide radially outward along the mounting cavity 35, thereby driving the stirring blade 40 to move towards the inner wall of the mixing tank 16, adjusting the rotation radius of the stirring blade 40, and cooperating with the rotation of the stirring shaft 30 to perform variable-diameter stirring and dispersion of the anti-corrosion coating inside the mixing tank 16;

[0095] S4. Self-cleaning scraping mechanism:

[0096] After the mixing and dispersing operation is completed, high-pressure gas is continuously injected into the drive channel 34. The high-pressure gas drives the connecting assembly 50 to move the stirring blades 40 radially until they are completely in contact with the inner wall of the mixing tank 16. The stirring shaft 30 is controlled to rotate continuously. The stirring blades 40 scrape off the residual anti-corrosion coating adhering to the inner wall of the mixing tank 16, thus completing the self-cleaning operation of the mixing tank 16.

[0097] Specifically, in steps S2, S3, and S4, the drive servo motor 11 fixed on the lifting housing 12 drives the stirring shaft 30 to rotate via a belt drive mechanism consisting of the drive wheel 13, the driven wheel 15, and the transmission belt 14. The rotational speed and output torque of the stirring shaft 300 are precisely adjusted according to the working conditions.

[0098] Under both fixed-diameter and variable-diameter mixing conditions, the corresponding rotation speed and torque are matched according to the viscosity and material volume of the anti-corrosion coating to improve the uniformity of coating dispersion.

[0099] Under the self-cleaning condition of scraping the wall, the constant speed and constant torque output are maintained to ensure that the contact pressure between the stirring blade 40 and the inner wall of the stirring tank 16 is uniform and consistent.

[0100] In steps S3 and S4, the high-pressure gas injected into the drive channel 34 flows into the air outlet channel 43 inside the stirring blade 40 through the installation air inlet channel 55 in the mounting rod 31, and is finally ejected from the multiple sets of air outlet holes 44 opened on the stirring blade 40; wherein, the total air outlet efficiency of the multiple sets of air outlet holes 44 is lower than the air inlet efficiency of the drive channel 34, so that the installation cavity 35 continuously maintains a stable air pressure for the sliding of the drive connection assembly 50.

[0101] In step S4, the stirring blade 40, through the first stirring arm 41 and the second stirring arm 42 which are perpendicular to each other, completely fits against the inner side wall and bottom surface of the stirring tank 16, and simultaneously completes the full range of scraping and cleaning of the side wall and bottom of the stirring tank 16. At the same time, the high-pressure gas sprayed out through the air outlet 44 simultaneously blows and cleans the scraping surface and the surface of the stirring blade 40.

[0102] After the self-cleaning operation is completed, the injection of high-pressure gas into the drive channel 34 is stopped and the pressure is released. The connecting component 50 is driven to slide back to reset by the reset spring 60 in the mounting cavity 35, which drives the stirring blade 40 to retract to the initial working position. Finally, the lifting housing 12 is controlled to rise, which drives the stirring shaft 30 and the stirring blade 40 to separate from the stirring tank 16.

[0103] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A self-cleaning anti-corrosion coating dispersion device, characterized in that: Includes a disperser body (10), on which a lifting shell (12) is provided, and below the lifting shell (12) a stirring tank (16). The lifting housing (12) is provided with a stirring shaft (30), which is located in the stirring tank (16). The stirring shaft (30) is provided with multiple sets of mounting rods (31), and the mounting rods (31) are provided with stirring blades (40). The mounting rods (31) are provided with a mounting cavity (35), and the mounting cavity (35) is provided with a connecting component (50). The connecting component (50) is connected to the stirring blades (40). The stirring shaft (30) is also provided with a drive channel (34), which is connected to the mounting cavity (35). The drive channel (34) is used to inject high-pressure gas, so that the connecting component (50) slides in the mounting cavity (35), driving the stirring blades (40) to move towards the inner wall of the stirring tank (16) to scrape and clean.

2. The self-cleaning anti-corrosion coating dispersion equipment according to claim 1, characterized in that: A drive servo motor (11) is provided on the lifting housing (12), and a drive wheel (13) and a driven wheel (15) are rotatably arranged in the lifting housing (12). A transmission belt (14) is provided between the drive wheel (13) and the driven wheel (15). The drive servo motor (11) is connected to the drive wheel (13) for transmission, and the stirring shaft (30) is located at the center of the driven wheel (15). The stirring shaft (30) is fixedly connected to the driven wheel (15).

3. The self-cleaning anti-corrosion coating dispersion equipment according to claim 2, characterized in that: The mounting rod (31) has a connecting hole (32); The connecting assembly (50) includes a connecting rod (51) connected to the stirring blade (40). The connecting rod (51) is slidably disposed in the connecting hole (32). A movable block (53) is provided on the connecting rod (51). A rubber sealing ring (54) is provided on the outer wall of the movable block (53). The rubber sealing ring (54) is in contact with the inner wall of the mounting cavity (35).

4. The self-cleaning anti-corrosion coating dispersion equipment according to claim 1, characterized in that: The mounting rod (31) is provided with two sets of guide holes (33), and the two sets of guide holes (33) are respectively located on both sides of the connecting hole (32); The connecting assembly (50) also includes two sets of guide rods (52), which are connected to the stirring blade (40), and the two sets of guide rods (52) are slidably disposed in the two sets of guide holes (33).

5. The self-cleaning anti-corrosion coating dispersion equipment according to claim 4, characterized in that: A return spring (60) is provided on the movable block (53), and the return spring (60) is sleeved on the outer wall of the mounting rod (31); The reset spring (60) is disposed in the mounting cavity (35) and is connected to the inner wall of the mounting cavity (35) and the movable block (53).

6. The self-cleaning anti-corrosion coating dispersion equipment according to claim 5, characterized in that: The stirring blade (40) is provided with a first stirring arm (41) and a second stirring arm (42), and the first stirring arm (41) and the second stirring arm (42) are arranged vertically. The mounting rod (31) is connected to the first stirring arm (41).

7. The self-cleaning anti-corrosion coating dispersion equipment according to claim 6, characterized in that: An air intake channel (55) is provided inside the movable block (53); The first stirring arm (41) and the second stirring arm (42) are provided with an air outlet channel (43), which is connected to the air inlet channel (55); The first stirring arm (41) and the second stirring arm (42) are provided with multiple sets of air outlets (44), and the multiple sets of air outlets (44) are connected to the air outlet channel (43).

8. The self-cleaning anti-corrosion coating dispersion equipment according to claim 7, characterized in that: A fixed pipe (20) is provided on the stirring shaft (30), and the fixed pipe (20) is connected to the drive channel (34); The fixed pipe (20) is rotatably connected to the stirring shaft (30), and the fixed pipe (20) is also coaxially arranged with the stirring shaft (30).

9. A method of using a self-cleaning anti-corrosion coating dispersion device according to any one of claims 1-8, characterized in that: Includes the following steps: S1. Materials in place: The anti-corrosion coating raw material is introduced into the mixing tank (16), and the lifting shell (12) on the disperser body (10) is controlled to descend, which drives the stirring shaft (30) vertically set on the lifting shell (12) and the stirring blade (40) connected to the stirring shaft (30) by the mounting rod (31) to extend into the mixing tank (16); S2, Fixed-size stirring and dispersion: The driving stirring shaft (30) rotates around its own axis, causing the stirring blade (40) to rotate circumferentially with the stirring shaft (30), thereby sizing, stirring and dispersing the anti-corrosion coating in the mixing tank (16); S3, Radial Enhanced Stirring: High-pressure gas is continuously injected into the drive channel (34) axially opened inside the stirring shaft (30), so that the high-pressure gas flows into the mounting cavity (35) connected to the drive channel (34) inside the mounting rod (31), pushing the connecting component (50) inside the mounting cavity (35) to slide radially outward along the mounting cavity (35), thereby driving the stirring blade (40) to move towards the inner wall of the mixing tank (16), adjusting the rotation radius of the stirring blade (40), and cooperating with the rotation of the stirring shaft (30) to perform variable-diameter stirring and dispersion of the anti-corrosion coating inside the mixing tank (16); S4. Self-cleaning scraping mechanism: After the mixing and dispersing operation is completed, high-pressure gas is continuously injected into the drive channel (34). The high-pressure gas drives the connecting assembly (50) to drive the stirring blade (40) to move radially until it is completely in contact with the inner wall of the mixing tank (16). The stirring shaft (30) is controlled to rotate continuously. The stirring blade (40) scrapes off the residual anti-corrosion coating attached to the inner wall of the mixing tank (16), thus completing the self-cleaning operation of the mixing tank (16).

10. The method of using a self-cleaning anti-corrosion coating dispersion device according to claim 9, characterized in that: In steps S2, S3, and S4, the drive servo motor (11) fixed on the lifting housing (12) drives the stirring shaft (30) to rotate via a belt drive mechanism consisting of the drive wheel (13), the driven wheel (15), and the transmission belt (14). The rotational speed and output torque of the stirring shaft (300) are precisely adjusted according to the working conditions. Under both fixed-diameter and variable-diameter mixing conditions, the corresponding rotation speed and torque are matched according to the viscosity and material volume of the anti-corrosion coating to improve the uniformity of coating dispersion. Under the self-cleaning condition of scraping the wall, the constant speed and constant torque output are maintained to ensure that the contact pressure between the stirring blade (40) and the inner wall of the stirring tank (16) is uniform and consistent. In steps S3 and S4, the high-pressure gas injected into the drive channel (34) flows into the air outlet channel (43) inside the stirring blade (40) through the installation air inlet channel (55) in the mounting rod (31), and is finally ejected from the multiple sets of air outlet holes (44) opened on the stirring blade (40); wherein, the total air outlet efficiency of the multiple sets of air outlet holes (44) is lower than the air inlet efficiency of the drive channel (34), so that the installation cavity (35) continuously maintains a stable air pressure for the sliding of the drive connection assembly (50); In step S4, the stirring blade (40) is fully attached to the inner side wall and bottom surface of the mixing tank (16) through the first stirring arm (41) and the second stirring arm (42) which are perpendicular to each other, and the side wall and bottom of the mixing tank (16) are scraped and cleaned in a full range simultaneously. At the same time, the high-pressure gas sprayed out through the air outlet (44) is used to simultaneously blow and clean the scraping surface and the surface of the stirring blade (40). After the self-cleaning operation is completed, the injection of high-pressure gas into the drive channel (34) is stopped and the pressure is released. The connecting component (50) is driven to slide back and reset by the reset spring (60) in the mounting cavity (35), which drives the stirring blade (40) to retract to the initial working position. Finally, the lifting housing (12) is controlled to rise and drive the stirring shaft (30) and stirring blade (40) to separate from the stirring tank (16).

Images