Preparation process and dispersion equipment of inorganic material-containing graphite water-based primer

Abstract

The invention discloses a preparation process of an inorganic material-containing graphene water-based primer and a dispersing device thereof. The preparation process comprises the following steps: S1, adding deionized water, a defoaming agent and a dispersant into a dispersing device; S2, adding a film-forming aid and a thickener into the dispersing device; S3, adding a physical filler into the dispersing device; S4, sequentially adding an inorganic resin emulsion and a wax emulsion into the dispersing device; S5, adding a titanium dioxide / graphene composite material into the dispersing device; and S6, filtering the evenly dispersed materials. According to the preparation process of the inorganic material-containing graphene water-based primer, an offset dispersion mode is adopted when liquids are mixed in steps S1, S2 and S4 to improve dispersion efficiency and eliminate dead angles; a central slurry suction mode is adopted when powders are mixed in steps S3 and S5; a vortex is formed in the middle of a dispersing barrel, and powder is added to the slurry in the barrel from the central vortex to prevent the powder from sticking to the barrel wall during addition.

Description

Technical Field

[0001] The invention relates to the technical field of water-based coatings, in particular to a preparation process of an inorganic material-containing graphene water-based primer and a dispersing device thereof. Background Art

[0002] Water-based inorganic primers offer rapid drying, high hardness, and excellent corrosion resistance. However, the inherent properties of the resin make them prone to forming a porous structure after film formation, which is significantly affected by environmental and construction conditions, weakening their corrosion resistance. Graphene's excellent conductivity and unique hexagonal honeycomb structure can be combined with traditional water-based inorganic primers to enhance their shielding properties and improve their overall corrosion resistance (Patent No. CN114752238A).

[0003] The preparation of inorganic graphite-containing water-based primers requires the dispersion and mixing of various raw materials to achieve the desired primer. The dispersion process, which involves both liquid and powdered raw materials, imposes different requirements on how the raw materials are added to the dispersion tank. Upon entering the mixture, the powder initially floats on the surface, undergoing two processes: wetting and dispersion. A vortex in the center of the mixture facilitates powder wetting. Appropriately offsetting the dispersion axis improves dispersion efficiency, prevents swirling, reduces vortex depth, and improves circulation. Summary of the Invention

[0004] The purpose of the present invention is to improve the dispersion effect during the preparation of an inorganic material-containing graphene water-based primer, and to propose a preparation process for an inorganic material-containing graphene water-based primer and a dispersion device thereof.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A process for preparing an inorganic material-containing graphite water-based primer comprises the following steps:

[0007] S. Add deionized water, defoaming agent and dispersant into a dispersion device, wherein the dispersion device is in bias dispersion mode;

[0008] S. adding a film-forming aid and a thickener into the dispersing device, wherein the dispersing device is in a biased dispersing mode;

[0009] S. Adding the physical filler into the dispersion device, the dispersion device is in the central slurry suction mode;

[0010] S, adding the inorganic resin emulsion and the wax emulsion into the dispersing device in sequence, the dispersing device being in a biased dispersion mode;

[0011] S. Adding the titanium dioxide / graphene composite material into the dispersion device, wherein the dispersion device is in a central slurry suction mode;

[0012] S. Filter the evenly dispersed material.

[0013] The preparation process of the inorganic material-containing graphite water-based primer is as follows: raw materials are added to a dispersing device in batches for dispersion and mixing; when liquid mixing is performed, an offset dispersion mode is adopted, that is, the dispersing functional part is not located at the center of the dispersion barrel, so as to improve dispersion efficiency and eliminate dead angles; when powder mixing is performed, a central slurry suction mode is adopted, that is, the dispersing functional part is located at the center of the dispersion barrel, a vortex is formed in the middle of the dispersion barrel, and powder is added to the slurry in the barrel from the central vortex. The powder inside the vortex is not higher than the highest point of the vortex, which can prevent the powder from sticking to the barrel wall when adding materials.

[0014] The present invention also provides a dispersing device based on the above-mentioned process for preparing an inorganic material-containing graphene water-based primer. The dispersing device comprises a frame and a dispersing barrel. The frame is provided with a dispersing rod that matches the dispersing barrel, and a dispersing disk is disposed at the bottom of the dispersing rod. The frame also includes a positioning member for the dispersing barrel, which is used to limit the position of the dispersing barrel and maintain the dispersing rod in the center of the dispersing barrel. A dispersing motor is provided on the frame to drive the dispersing rod to rotate, thereby realizing the dispersing function of the dispersing disk.

[0015] The dispersion disc includes a central gear, at least one intermediate gear, and an outer ring gear. The intermediate gear and outer ring gear are coaxially arranged and mesh with the central gear and outer ring gear, respectively. The central gear is fixedly mounted on the dispersion rod, and the central gear drives the intermediate gear to rotate, causing the intermediate gear to rotate around the dispersion rod.

[0016] Furthermore, the outer gear ring is ringed with outer dispersing blades, and the outer gear ring rotates along with the central gear, so that the outer dispersing blades can disperse the slurry inside the dispersion barrel.

[0017] A movable platform is provided on the intermediate gear, which is in contact with and slidably connected to the bottom spherical surface of the intermediate gear. The top of the movable platform is a circular plane. The movable platform can rotate relative to the intermediate gear, and the circular top surface of the movable platform can be flipped.

[0018] Furthermore, the circular top of the movable platform is surrounded by inner dispersing blades, which are movably connected to the movable platform so as to be retracted into the movable platform or extended from the movable platform.

[0019] Preferably, a blade cavity is provided within the movable platform, a blade piston and a retraction spring are provided within the blade cavity, the inner dispersion blades are annularly arranged on the blade piston, the retraction spring is located between the top of the blade piston and the top of the blade cavity, and a through hole is provided at the top of the movable platform for the inner dispersion blades to pass through. The retraction spring is used to apply pressure to the blade piston, and the blade piston is located at the bottom of the blade cavity. At this time, the inner dispersion blades are located within the blade cavity, and the tops of the inner dispersion blades are located in the through hole at the top of the movable platform. The inner dispersion blades are in a retracted state and are not operational.

[0020] When the disperser is in central suction mode, the central gear, intermediate gear, and outer ring gear all rotate about the dispersion axis. The outer dispersion blades provide dispersion, while the inner dispersion blades are retracted within the movable table. The movable table's top surface is smooth, and the table rotates relative to the intermediate gear, creating an angle between the axis of the movable table's top surface and the axis of the intermediate gear. As the overall dispersion disc rotates, the outer dispersion blades form a vortex in the center of the dispersion barrel, into which powdered material is introduced. The synchronous rotation of the inclined movable table's top surfaces creates an effect relative to the impeller, creating an adsorption force on material trapped within the vortex. This allows material to flow directly from the top of the dispersion disc into the stratosphere below, accelerating the incorporation of powder above the vortex into the slurry.

[0021] When the disperser is in offset dispersion mode, the central gear rotates the intermediate gear, the outer ring gear is fixed, and the inner dispersion blades extend from the top surface of the movable table, with the axis of the movable table's top surface aligning with the axis of the intermediate gear. In this mode, several inner dispersion blades located off-center in the dispersion barrel act as primary dispersion, directly dispersing the slurry in the dispersion barrel, creating offset dispersion. The outer dispersion blades, located outside the inner dispersion blades, provide secondary dispersion by re-dispersing the slurry dispersed by the inner dispersion blades.

[0022] Preferably, a chute-shaped steering cavity is provided on the bottom spherical surface of the movable platform. A steering piston is disposed within the steering cavity and is slidably and hermetically connected thereto. The steering piston separates the steering cavity into a steering fluid inlet cavity and a steering fluid outlet cavity. The steering piston is fixedly connected to the intermediate gear, and the sliding direction of the steering piston is perpendicular to the line connecting the axis of the central gear and the intermediate gear. When fluid enters the steering fluid inlet cavity, the steering piston moves relative to the steering cavity, causing the movable platform to rotate relative to the intermediate gear, thereby forming an angle between the axis of the top surface of the movable platform and the axis of the intermediate gear.

[0023] Furthermore, a buffer cylinder is disposed within the movable platform, and a buffer piston is disposed within the buffer cylinder. One side of the buffer piston is connected to the buffer cylinder via a return spring, and a space on one side of the buffer piston is in communication with the steering fluid outlet chamber of the steering chamber. Both the steering fluid inlet and the steering fluid outlet chamber of the steering chamber are filled with dielectric fluid. After the steering fluid inlet chamber is filled with fluid, the dielectric fluid within the steering fluid outlet chamber is pressed into the buffer cylinder, where it pushes the buffer piston to compress the return spring. The buffer piston temporarily stores the dielectric fluid within the steering chamber. When the fluid in the steering fluid inlet chamber flows out, the return spring pushes the buffer piston back to its original position, causing the steering piston to return to its original position within the steering chamber.

[0024] Furthermore, the central gear is fixedly sleeved on the bottom of the dispersion rod, and the intermediate connecting bracket for supporting the intermediate gear is rotatably connected to the bottom of the dispersion rod. A lower coupling cylinder and an upper coupling cylinder are provided in the inner cavity of the dispersion rod, and the lower coupling cylinder and the upper coupling cylinder are fixedly connected. The lower coupling cylinder and the upper coupling cylinder are rotatably connected to the dispersion rod. The upper coupling cylinder is used to couple with the dispersion rod to limit the rotational movement of the two coupling cylinders relative to the dispersion rod. The outer connecting bracket for connecting to the outer gear ring is fixedly sleeved on the lower coupling cylinder, and the lower coupling cylinder is used to couple with the bottom of the dispersion barrel.

[0025] In the present invention, when the lower coupling cylinder is not coupled to the dispersion rod and the upper coupling cylinder is coupled to the dispersion barrel, the lower and upper coupling cylinders and the dispersion rod can rotate synchronously, resulting in the central gear, intermediate gear, and outer ring gear all rotating about the dispersion shaft, adapting to the central slurry suction mode. When the lower coupling cylinder is coupled to the dispersion rod and the upper coupling cylinder is not coupled to the dispersion barrel, the lower and upper coupling cylinders and the dispersion rod can rotate relative to each other. The rotation of the dispersion rod drives the central gear to rotate, and the outer ring gear follows the position of the lower coupling cylinder, adapting to the offset dispersion mode.

[0026] Furthermore, a coupling portion is provided at the working end of the upper coupling cylinder, and the coupling portion includes a coupling sleeve, a coupling inner rod and a coupling spring. The coupling sleeve is located outside the coupling inner rod and is slidingly connected to the coupling inner rod. A coupling spring is provided between the bottom of the coupling sleeve and the coupling inner rod.

[0027] An annular lower control cylinder is also provided on the outside of the dispersion rod, and a control piston and a pressure spring are provided inside the lower control cylinder. The pressure spring connects the top of the control piston and the inside of the lower control cylinder, and the bottom space of the control piston is connected to the space below the blade piston in the blade cavity.

[0028] A movable baffle is disposed on the exterior of the coupling sleeve, with a through-hole for allowing the passage of a medium. The free end of the movable baffle extends into the interior of the lower control cylinder and is positioned below the control piston. A chute for axial movement of the movable baffle is provided between the lower control cylinder and the dispersion rod. A lower baffle seals the chute below the movable baffle, while an upper baffle seals the chute above the movable baffle. The lower and upper baffles together seal the chute during the displacement of the coupling sleeve and movable baffle.

[0029] When the upper coupling cylinder is working, the coupling part of the upper coupling cylinder moves upward, and the coupling sleeve on the coupling part also moves upward at the same time. When the coupling sleeve is at the upper limit position, the control piston inside the lower control cylinder is also at the upper limit position. The retraction spring in the blade cavity is in a fully pressurized state on the blade piston, and the inner dispersion blade is in a retracted state.

[0030] Furthermore, the inner cavity of the dispersion rod is provided with a limit ring, a coupling seat, an upper control cylinder, and a support spring, arranged in order from bottom to top, above the upper coupling cylinder. The limit ring is fixedly connected to the dispersion rod and serves to limit the position of the coupling sleeve, establishing an upper limit position for the coupling sleeve. The coupling seat is slidably connected to the dispersion rod but does not rotate. The coupling portion of the upper coupling cylinder can be coupled to the coupling seat, completing the non-rotating connection between the upper coupling cylinder and the dispersion rod.

[0031] Furthermore, an upper control cylinder is formed between the top of the coupling seat and the top of the dispersion rod inner cavity. A support spring is provided between the top of the coupling seat and the top of the dispersion rod inner cavity. The support spring is used to reset the coupling seat. The interior of the upper control cylinder is filled with a dielectric fluid. The upper control cylinder is connected to the steering fluid inlet chamber. When the coupling sleeve is at the upper limit position, the upper coupling cylinder continues to operate, and the inner rod pushes the coupling seat to continue to move upward, applying pressure to the support spring. The dielectric fluid inside the control cylinder can enter the steering fluid inlet chamber to complete the rotation of the movable platform.

[0032] Preferably, an upper liquid pipe and a lower liquid pipe are disposed within the dispersion rod, and an upper liquid pipe connecting ring groove, a lower liquid pipe connecting ring groove, an upper liquid ring groove pipe connection, and a lower liquid ring groove pipe connection are disposed within the intermediate connecting bracket. The upper liquid pipe connecting ring groove connects the upper liquid pipe and the upper liquid ring groove pipe connection, and the lower liquid pipe connecting ring groove connects the lower liquid pipe and the lower liquid ring groove pipe connection. The upper liquid pipe connecting ring groove and the lower liquid pipe connecting ring groove are both annular and are used to maintain communication with the upper and lower liquid pipes when the intermediate connecting bracket rotates. The upper control cylinder is connected to the steering liquid inlet chamber in sequence via the upper liquid pipe, the upper liquid pipe connecting ring groove, and the upper liquid ring groove pipe connection. The lower control cylinder is connected to the blade chamber in sequence via the lower liquid pipe, the lower liquid pipe connecting ring groove, and the lower liquid ring groove pipe connection.

[0033] The beneficial effects of the present invention are:

[0034] 1. This inorganic material-containing graphite water-based primer preparation process adopts different dispersion modes for liquid and powder when dispersing materials, thereby improving dispersion efficiency and preventing powder from sticking to the barrel wall when adding materials.

[0035] 2. The dispersion disk of the dispersion device of the present invention includes inner dispersion blades located internally and outer dispersion blades located externally. The inner dispersion blades are supported by a movable platform. The inner dispersion blades are used for offset dispersion in the offset dispersion mode, while the outer dispersion blades are used for central dispersion in the central slurry suction mode. This is a practical function. In the central slurry suction mode, the movable platform supporting the inner dispersion blades acts as an impeller, allowing powder to enter the stratosphere below the dispersion disk.

[0036] 3. A control cylinder for controlling the extension of the inner dispersing blades and the rotation of the movable table is provided inside the dispersing rod of the dispersing device of the present invention. The control is performed by the medium liquid, which is beneficial to the effective control of the rotating working state of the dispersing disk and has a compact structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 This is a schematic diagram of the structure of the dispersion equipment;

[0038] Figure 2 This is a structural diagram of the cross section of the dispersion disk of the dispersion equipment;

[0039] Figure 3 This is a schematic diagram of the structure of the dispersion disk of the dispersion equipment from a top view;

[0040] Figure 4 This is a schematic diagram of the structure of the dispersion disk of the dispersion equipment when viewed from above;

[0041] Figure 5 This is a structural diagram of the dispersion rod of the dispersion equipment;

[0042] Figure 6 This is a schematic diagram of the hydraulic control connection between the control cylinder, steering chamber and blade chamber of this decentralized equipment.

[0043] In the figure: 1. Frame; 2. Dispersion barrel; 3. Positioning piece; 4. Dispersion motor; 5. Dispersion rod; 6. Dispersion plate;

[0044] 51. Upper coupling cylinder; 52. Lower control cylinder; 53. Coupling seat; 54. Limiting ring; 55. Upper control cylinder; 56. Support spring; 57. Upper liquid pipe; 58. Lower liquid pipe; 59. Lower coupling cylinder; 511. Coupling portion; 512. Coupling sleeve; 513. Coupling inner rod; 514. Coupling spring; 515. Movable baffle; 5151. Lower baffle; 5152. Upper baffle; 521. Control piston; 522. Pressure spring.

[0045] 61. Central gear; 62. Intermediate gear; 63. Movable platform; 64. Outer ring gear; 65. External connecting bracket; 66. Intermediate connecting bracket; 631. Blade chamber; 632. Blade piston; 633. Inner dispersion blade; 634. Retraction spring; 635. Steering chamber; 636. Buffer cylinder; 641. Outer dispersion blade; 661. Upper liquid pipe connecting ring groove; 662. Lower liquid pipe connecting ring groove; 663. Upper liquid ring groove pipe connector; 664. Lower liquid ring groove pipe connector;

[0046] 6351, steering piston; 6352, steering liquid inlet chamber; 6353, steering liquid outlet chamber; 6361, buffer piston; 6362, return spring. DETAILED DESCRIPTION

[0047] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0048] Example 1

[0049] A process for preparing an inorganic material-containing graphite water-based primer comprises the following steps:

[0050] S1. Add deionized water, defoaming agent and dispersant into a dispersion device, and the dispersion device is in bias dispersion mode;

[0051] S2, adding a film-forming aid and a thickener into the dispersion device, wherein the dispersion device is in a biased dispersion mode;

[0052] S3, adding the physical filler into the dispersion device, and the dispersion device is in the central slurry suction mode;

[0053] S4, adding the inorganic resin emulsion and the wax emulsion into the dispersion device in sequence, wherein the dispersion device is in a biased dispersion mode;

[0054] S5, adding the titanium dioxide / graphene composite material into the dispersion device, wherein the dispersion device is in a central slurry suction mode;

[0055] S6. Filter the evenly dispersed material.

[0056] The process for preparing an inorganic graphene-containing water-based primer in this embodiment facilitates thorough mixing of the materials by adding the raw materials in batches to a dispersing device for dispersion and mixing. When mixing liquids, an offset dispersion mode is employed, where the dispersing unit is not located in the center of the dispersion barrel, to improve dispersion efficiency and eliminate dead angles. When mixing powders, a central slurry suction mode is employed, where the dispersing unit is located in the center of the dispersion barrel, forming a vortex in the middle of the barrel. Powder is added to the slurry in the barrel from the central vortex, and the powder inside the vortex is kept below the highest point of the vortex, preventing the powder from adhering to the barrel wall during addition.

[0057] Example 2

[0058] This embodiment proposes a dispersing device that can be used to complete the preparation process of the inorganic material graphite-containing water-based primer in Example 1, referring to Figure 1 The dispersion device includes a frame 1 and a dispersion barrel 2. The frame 1 is provided with a dispersion rod 5 that matches the dispersion barrel 2. A dispersion plate 6 is provided at the bottom of the dispersion rod 5. The frame 1 is provided with a positioning member 3 for the dispersion barrel 2. The positioning member 3 is used to limit the position of the dispersion barrel 2 and keep the dispersion rod 5 at the center of the dispersion barrel 2. The frame 1 is provided with a dispersion motor 4 that drives the dispersion rod 5 and the dispersion plate 6 to rotate, thereby realizing the dispersion function of the dispersion plate 6.

[0059] refer to Figure 2 、 3The dispersion disc 6 includes a central gear 61, four intermediate gears 62, and an outer ring gear 64. The intermediate gears 62 and outer ring gear 64 are coaxially arranged and mesh with each other. The central gear 61 is fixedly mounted on the dispersion rod 5, driving the intermediate gears 62 to rotate, causing the intermediate gears 62 to rotate about the dispersion rod 5.

[0060] Furthermore, the outer dispersing blades 641 are arranged on the outer gear ring 64 , and the outer gear ring 64 rotates along with the central gear 61 , so that the outer dispersing blades 641 can disperse the slurry inside the dispersing barrel 2 .

[0061] refer to Figure 2 A movable platform 63 is provided on the intermediate gear 62. The movable platform 63 is in spherical contact with the bottom of the intermediate gear 62 and is slidably connected. The top of the movable platform 63 is a circular plane. The movable platform 63 can rotate relative to the intermediate gear 62, and the circular top surface of the movable platform 63 can be flipped.

[0062] Furthermore, the circular top of the movable platform 63 is surrounded by inner dispersing blades 633. The inner dispersing blades 633 are movably connected to the movable platform 63, so that the inner dispersing blades 633 can be retracted into the movable platform 63 or extended from the movable platform 63.

[0063] refer to Figure 2 The movable platform 63 has a vane chamber 631 disposed within it. A vane piston 632 and a retraction spring 634 are disposed within the vane chamber 631. The inner dispersion vanes 633 are annularly arranged on the vane piston 632. The retraction spring 634 is located between the top of the vane piston 632 and the top of the vane chamber 631. A through-hole for the inner dispersion vanes 633 to pass through is provided at the top of the movable platform 63. The retraction spring 634 is used to apply pressure to the vane piston 632, causing it to be located at the bottom of the vane chamber 631. At this point, the inner dispersion vanes 633 are located within the vane chamber 631, with the tops of the inner dispersion vanes 633 located within the through-holes at the top of the movable platform 63. The inner dispersion vanes 633 are in a retracted state and are not operational.

[0064] When the dispersion device is in central suction mode, the central gear 61, intermediate gear 62, and outer ring gear 64 all rotate about the dispersion shaft 5. The outer dispersion blades 641 are used for dispersion, while the inner dispersion blades 633 are located within the movable platform 63 and are retracted. The top surface of the movable platform 63 is smooth, and the movable platform 63 rotates relative to the intermediate gear 62, creating an angle between the axis of the top surface of the movable platform 63 and the axis of the intermediate gear 62. During the overall rotation of the dispersion disc, the outer dispersion blades 641 are used to form a vortex in the center of the dispersion barrel 2, into which powdered material can be added. The top surfaces of the several inclined movable platforms 63 rotate synchronously, acting relative to the impeller and exerting an adsorption force on the material in the vortex. This allows the material to flow directly from the top of the dispersion disc into the stratosphere below, accelerating the entry of powder above the vortex into the slurry.

[0065] When the dispersing device is in biased dispersing mode, the central gear 61 drives the intermediate gear 62 to rotate, the outer ring gear 64 is fixed in position, and the inner dispersing blades 633 extend from the top surface of the movable platform 63. The axis of the top surface of the movable platform 63 coincides with the axis of the intermediate gear 62. In this case, the inner dispersing blades 633 are located off-center in the dispersing barrel 2 for primary dispersing, directly dispersing the slurry in the dispersing barrel 2 to form biased dispersing. The outer dispersing blades 641 are located outside the inner dispersing blades 633 and provide secondary dispersing by further re-dispersing the slurry dispersed by the inner dispersing blades 633.

[0066] refer to Figure 2 and Figure 3 The bottom spherical surface of the movable platform 63 is provided with a slot-shaped steering cavity 635. A steering piston 6351 is disposed within the steering cavity 635, which is slidably and sealed therewith. The steering piston 6351 separates the steering cavity 635 into a steering liquid inlet cavity 6352 and a steering liquid outlet cavity 6353. The steering piston 6351 is fixedly connected to the intermediate gear 62, and the sliding direction of the steering piston 6351 is perpendicular to the line connecting the axes of the central gear 61 and the intermediate gear 62. When liquid enters the steering liquid inlet cavity 6352, the steering piston 6351 moves relative to the steering cavity 635, causing the movable platform 63 to rotate relative to the intermediate gear 62, forming an angle between the axis of the top surface of the movable platform 63 and the axis of the intermediate gear 62.

[0067] refer to Figure 3 and Figure 6A buffer cylinder 636 is disposed within the movable platform 63, and a buffer piston 6361 is disposed within the buffer cylinder 636. One side of the buffer piston 6361 is connected to the buffer cylinder 636 via a return spring 6362. A space on one side of the buffer piston 6361 communicates with the steering outlet chamber 6353 of the steering chamber 635. Both the steering inlet chamber 6352 and the steering outlet chamber 6353 of the steering chamber 635 are filled with dielectric fluid. After the steering inlet chamber 6352 is filled with fluid, the dielectric fluid within the steering outlet chamber 6353 is forced into the buffer cylinder 636. This dielectric fluid pushes the buffer piston 6361 to compress the return spring 6362. The buffer piston 6361 temporarily stores the dielectric fluid within the steering chamber 635. When the fluid in the steering inlet chamber 6352 flows out, the return spring 6362 pushes the buffer piston 6361 back to its original position, causing the steering piston 6351 to return to its original position within the steering chamber 635.

[0068] refer to Figure 2 and Figure 4 , the central gear 61 is fixedly sleeved on the bottom of the dispersion rod 5, and the intermediate connecting bracket 66 for supporting the intermediate gear 62 is rotatably connected to the bottom of the dispersion rod 5. A lower combining cylinder 59 and an upper combining cylinder 51 are provided in the inner cavity of the dispersion rod 5, and the lower combining cylinder 59 and the upper combining cylinder 51 are fixedly connected, and the lower combining cylinder 59 and the upper combining cylinder 51 are rotatably connected to the dispersion rod 5. The upper combining cylinder 51 is used to combine with the dispersion rod 5 and to limit the rotational movement of the two combining cylinders relative to the dispersion rod 5. The outer connecting bracket 65 for connecting the outer gear ring 64 is fixedly sleeved on the lower combining cylinder 59, and the lower combining cylinder 59 is used to combine with the bottom of the dispersion barrel 2.

[0069] In the present invention, when the lower coupling cylinder 59 is not coupled to the dispersion rod 5 and the upper coupling cylinder 51 is coupled to the dispersion barrel 2, the lower coupling cylinder 59, the upper coupling cylinder 51, and the dispersion rod 5 can rotate synchronously, and the central gear 61, the intermediate gear 62, and the outer ring gear 64 can all rotate about the dispersion shaft 5 as the rotation center, adapting to the central slurry suction mode. When the lower coupling cylinder 59 is coupled to the dispersion rod 5 and the upper coupling cylinder 51 is not coupled to the dispersion barrel 2, the lower coupling cylinder 59, the upper coupling cylinder 51, and the dispersion rod 5 can rotate relative to each other. When the dispersion rod 5 rotates, the central gear 61 can drive the intermediate gear 62 to rotate, and the outer ring gear 64 follows the lower coupling cylinder 59 and is fixed in position, adapting to the offset dispersion mode.

[0070] refer to Figure 5 A coupling portion 511 is provided at the working end of the upper coupling cylinder 51, and the coupling portion 511 includes a coupling sleeve 512, a coupling inner rod 513 and a coupling spring 514. The coupling sleeve 512 is located outside the coupling inner rod 513 and is slidably connected to the coupling inner rod 513. A coupling spring 514 is provided between the bottom of the coupling sleeve 512 and the coupling inner rod 513, and a limit piece is provided at the end of the coupling inner rod 513 to limit the coupling sleeve 512 from sliding off.

[0071] An annular lower control cylinder 52 is also provided on the outside of the above-mentioned dispersion rod 5, and a control piston 521 and a pressure spring 522 are provided inside the lower control cylinder 52. The pressure spring 522 connects the top of the control piston 521 and the inside of the lower control cylinder 52, and the bottom space of the control piston 521 is connected to the space below the blade piston 632 in the blade chamber 631.

[0072] refer to Figure 5 A movable baffle 515 is disposed outside the coupling sleeve 512. The free end of the movable baffle 515 extends into the interior of the lower control cylinder 52 and is located below the control piston 521. The movable baffle 515 can push the control piston 521 upward, and a pressure spring 522 is used to control the return of the piston 521. A sliding groove for the axial movement of the movable baffle 515 is provided between the lower control cylinder 52 and the dispersion rod 5. A lower baffle 5151 is disposed below the movable baffle 515 to seal the sliding groove, and an upper baffle 5152 is disposed above the movable baffle 515 to seal the sliding groove. The lower baffle 5151 and upper baffle 5152 are combined to seal the sliding groove during the displacement of the coupling sleeve 512 and the movable baffle 515.

[0073] When the upper coupling cylinder 51 is working, the coupling part 511 of the upper coupling cylinder 51 moves upward, and the coupling sleeve 512 on the coupling part 511 also moves upward at the same time. When the coupling sleeve 512 is at the upper limit position, the control piston 521 inside the lower control cylinder 52 is also at the upper limit position. The retraction spring 634 in the blade chamber 631 is in a fully pressurized state on the blade piston 632, and the inner dispersion blade 633 is in a retracted state.

[0074] Furthermore, the inner cavity of the dispersion rod 5 is provided with a limit ring 54, a coupling seat 53, an upper control cylinder 55, and a support spring 56 in order from bottom to top above the upper coupling cylinder 51. The limit ring 54 is fixedly connected to the dispersion rod 5 and is used to limit the position of the coupling sleeve 512, forming the upper limit position of the coupling sleeve 512. The coupling seat 53 is slidably connected to the dispersion rod 5 but is not rotationally connected. The coupling portion 511 of the upper coupling cylinder 51 can be coupled to the coupling seat 53 to complete the non-rotational connection between the upper coupling cylinder 51 and the dispersion rod 5.

[0075] Furthermore, an upper control cylinder 55 is formed between the top of the coupling seat 53 and the top of the inner cavity of the dispersion rod 5. A support spring 56 is provided between the top of the coupling seat 53 and the top of the inner cavity of the dispersion rod 5. The support spring 56 is used to reset the coupling seat 53. The interior of the upper control cylinder 55 is filled with a dielectric liquid. The upper control cylinder 55 is connected to the steering liquid inlet chamber 6352. When the coupling sleeve 512 is at the upper limit position, the upper coupling cylinder 51 continues to operate, and the inner rod 513 pushes the coupling seat 53 to continue to move upward, applying pressure to the support spring 56. The dielectric liquid inside the control cylinder 55 can enter the steering liquid inlet chamber 6352 to complete the rotation of the movable platform 63.

[0076] refer to Figure 2 and Figure 5 The dispersion rod 5 is internally provided with an upper liquid pipe 57 and a lower liquid pipe 58. The intermediate connecting bracket 66 is internally provided with an upper liquid pipe connecting ring groove 661, a lower liquid pipe connecting ring groove 662, an upper liquid ring groove pipe 663, and a lower liquid ring groove pipe 664. The upper liquid pipe connecting ring groove 661 connects the upper liquid pipe 57 and the upper liquid ring groove pipe 663, while the lower liquid pipe connecting ring groove 662 connects the lower liquid pipe 58 and the lower liquid ring groove pipe 664. The upper liquid pipe connecting ring groove 661 and the lower liquid pipe connecting ring groove 662 are both annular and are used to maintain communication with the upper liquid pipe 57 and the lower liquid pipe 58 during rotation of the intermediate connecting bracket 66. The upper control cylinder 55 is connected to the steering liquid inlet chamber 6352 in sequence via the upper liquid pipe 57, the upper liquid pipe connecting ring groove 661, and the upper liquid ring groove pipe 663. The lower control cylinder 52 is connected to the blade chamber 631 in sequence through the lower liquid pipe 58, the lower liquid pipe connecting ring groove 662 and the lower liquid ring groove connecting pipe 664.

[0077] The working process of the dispersion device in this embodiment is as follows:

[0078] The dispersion equipment is in central slurry suction mode:

[0079] Step A1: The lower engaging cylinder 59 is not engaged with the dispersion rod 5, and the engaging portion 511 of the upper engaging cylinder 51 moves upward. When the engaging sleeve 512 is at the upper limit position, the control piston 521 inside the lower control cylinder 52 is also at the upper limit position. The retraction spring 634 in the blade chamber 631 is in a fully pressurized state on the blade piston 632, and the inner dispersion blade 633 is in a retracted state. Figure 5 At this time, the coupling portion 511 of the upper coupling cylinder 51 is also coupled to the coupling seat 53, completing the non-rotational connection between the upper coupling cylinder 51 and the dispersion rod 5.

[0080] Step A2: The coupling portion 511 of the upper coupling cylinder 51 continues to move upward, and the coupling inner rod 513 pushes the coupling seat 53 to continue to move upward, applying pressure to the support spring 56. The medium liquid inside the upper control cylinder 55 enters the steering liquid inlet chamber 6352. After the steering liquid inlet chamber 6352 enters the liquid, the medium liquid inside the steering liquid outlet chamber 6353 is pressed into the buffer cylinder 636, and the steering piston 6351 produces relative movement inside the steering chamber 635. At this time, the movable platform 63 rotates relative to the intermediate gear 62, and an angle is formed between the top surface axis of the movable platform 63 and the axis of the intermediate gear 62, thereby completing the rotation and tilting of the movable platform 63.

[0081] Step A3: The dispersion motor 4 drives the dispersion rod 5 and dispersion disc 6 to rotate. The central gear 61, intermediate gear 62, and outer ring gear 64 all rotate about the dispersion shaft 5. The outer dispersion blades 641 provide dispersion. As the dispersion disc rotates, the outer dispersion blades 641 form a vortex in the center of the dispersion barrel 2, into which powdered material is introduced. The top surfaces of the several inclined movable platforms 63 rotate synchronously, acting relative to the impeller and exerting an adsorption force on the material in the vortex. This allows the material to flow directly from the top of the dispersion disc into the stratosphere below, accelerating the incorporation of powder above the vortex into the slurry.

[0082] The dispersion device is in biased dispersion mode:

[0083] Step B1: The lower coupling cylinder 59 engages with the dispersion rod 5, while the upper coupling cylinder 51 disengages from the dispersion barrel 2. At this point, the coupling portion 511 of the upper coupling cylinder 51 is no longer in contact with the coupling seat 53, and the coupling sleeve 512 is at its lower limit. The control piston 521 within the lower control cylinder 52 is also at its lower limit. The medium in the lower control cylinder 52 enters the vane chamber 631, compressing the retraction spring 634 and causing the inner dispersion vanes 633 to extend from the top surface of the movable platform 63. Simultaneously, the return spring 6362 pushes the buffer piston 6361 back to its original position, while the support spring 56 pushes the coupling seat 53 back to its original position. The medium in the buffer cylinder 636 enters the steering outlet chamber 6353 of the steering chamber 635, causing the steering piston 6351 to return to its original position within the steering chamber 635. The axis of the top surface of the movable platform 63 coincides with the axis of the intermediate gear 62, and the liquid in the steering inlet chamber 6352 enters the upper control cylinder 55.

[0084] Step B2: The dispersion motor 4 drives the dispersion rod 5 and the dispersion disk 6 to rotate, the central gear 61 can drive the intermediate gear 62 to rotate, the outer gear ring 64 follows the position of the lower coupling cylinder 59 to be fixed, and the inner dispersion blade 633 on the intermediate gear 62 is used for main dispersion at a non-center position of the dispersion barrel 2, directly dispersing the slurry in the dispersion barrel 2 to form biased dispersion. The outer dispersion blade 641 is located outside the inner dispersion blade 633, and re-disperses the slurry dispersed by the inner dispersion blade 633 for auxiliary dispersion.

[0085] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. An inorganic material graphite-containing water-based primer dispersion device, comprising a frame (1) and a dispersion barrel (2), wherein the frame (1) is provided with a dispersion rod (5) matching the dispersion barrel (2), and a dispersion plate (6) is provided at the bottom of the dispersion rod (5), characterized in that: The dispersion disk (6) includes a central gear (61), at least one intermediate gear (62) and an outer gear ring (64), wherein the intermediate gear (62) and the outer gear ring (64) are coaxially arranged, and the intermediate gear (62) meshes with the central gear (61) and the outer gear ring (64) respectively; an outer dispersion blade (641) is arranged on the outer gear ring (64); a movable platform (63) is arranged on the intermediate gear (62), and the movable platform (63) is in spherical contact with and slidably connected to the bottom of the intermediate gear (62); an inner dispersion blade (633) is arranged on the circular top of the movable platform (63), and the inner dispersion blade (633) is movably connected to the movable platform (63), so that the inner dispersion blade (633) can be retracted into the movable platform (63) or extended from the movable platform (63); When the dispersion device is in the central slurry suction mode, the central gear (61), the intermediate gear (62) and the outer gear ring (64) all rotate with the dispersion rod (5) as the rotation center, the outer dispersion blades (641) are used for dispersion, and the inner dispersion blades (633) are located inside the movable table (63), and an angle is formed between the axis of the top surface of the movable table (63) and the axis of the intermediate gear (62); When the dispersion device is in the biased dispersion mode, the central gear (61) drives the intermediate gear (62) to rotate, the outer gear ring (64) is fixed in position, and the inner dispersion blades (633) extend from the top surface of the movable table (63). The inner dispersion blades (633) are used for main dispersion, and the outer dispersion blades (641) are used for auxiliary dispersion. The axis of the top surface of the movable table (63) coincides with the axis of the intermediate gear (62).

2. The dispersion device according to claim 1, characterized in that A blade chamber (631) is provided inside the movable platform (63), a blade piston (632) and a retraction spring (634) are provided inside the blade chamber (631), the inner dispersion blades (633) are arranged on the blade piston (632), the retraction spring (634) is located between the top of the blade piston (632) and the top of the blade chamber (631), and a through hole for the inner dispersion blades (633) to pass through is provided on the top of the movable platform (63).

3. The dispersion device according to claim 2, characterized in that A spherical bottom surface of the movable platform (63) is provided with a chute-shaped steering cavity (635), and a steering piston (6351) is provided inside the steering cavity (635) and is slidably and sealedly connected to the steering cavity (635). The steering piston (6351) isolates the steering cavity (635) to form a steering liquid inlet cavity (6352) and a steering liquid outlet cavity (6353). The steering piston (6351) is fixedly connected to the intermediate gear (62), and the sliding direction of the steering piston (6351) is perpendicular to the line connecting the axis of the central gear (61) and the intermediate gear (62).

4. The dispersion device according to claim 3, characterized in that A buffer cylinder (636) is provided inside the movable platform (63), and a buffer piston (6361) is provided inside the buffer cylinder (636). One side of the buffer piston (6361) is connected to the buffer cylinder (636) via a return spring (6362), and a space on one side of the buffer piston (6361) is communicated with the steering liquid outlet cavity (6353) of the steering cavity (635).

5. The dispersing device according to claim 4, characterized in that The central gear (61) is fixedly sleeved on the bottom of the dispersion rod (5), and the intermediate connecting bracket (66) for supporting the intermediate gear (62) is rotatably connected to the bottom of the dispersion rod (5); A lower combining cylinder (59), an upper combining cylinder (51), a limiting ring (54), a combining seat (53), an upper control cylinder (55) and a supporting spring (56) are sequentially arranged in the inner cavity of the dispersion rod (5) from bottom to top, the lower combining cylinder (59) and the upper combining cylinder (51) are fixedly connected, and the lower combining cylinder (59) and the upper combining cylinder (51) are rotatably connected to the dispersion rod (5); An outer connecting bracket (65) for connecting to an outer gear ring (64) is fixedly sleeved on the lower connecting cylinder (59), and the lower connecting cylinder (59) is used to connect to the bottom of the dispersion barrel (2); A coupling portion (511) is provided at the working end of the upper coupling cylinder (51), and the coupling portion (511) includes a coupling sleeve (512), a coupling inner rod (513), and a coupling spring (514). The coupling sleeve (512) is located outside the coupling inner rod (513) and is slidably connected to the coupling inner rod (513). A coupling spring (514) is provided between the bottom of the coupling sleeve (512) and the coupling inner rod (513). The limiting ring (54) is fixedly connected to the dispersion rod (5), the coupling seat (53) is slidably connected to the dispersion rod (5), an upper control cylinder (55) is formed between the top of the coupling seat (53) and the top of the inner cavity of the dispersion rod (5), a support spring (56) is provided between the top of the coupling seat (53) and the top of the inner cavity of the dispersion rod (5), and the control cylinder (55) is communicated with the steering liquid inlet cavity (6352).

6. The dispersing device according to claim 5, characterized in that An annular lower control cylinder (52) is further provided on the outside of the dispersion rod (5), and a control piston (521) and a pressure spring (522) are provided inside the lower control cylinder (52), wherein the pressure spring (522) connects the top of the control piston (521) and the inside of the lower control cylinder (52), and the bottom space of the control piston (521) is communicated with the space below the vane piston (632) in the vane chamber (631); A movable baffle (515) is provided on the outside of the coupling sleeve (512), the free end of the movable baffle (515) extends to the inside of the lower control cylinder (52) and is located below the control piston (521), the lower control cylinder (52) and the dispersion rod (5) are provided with a slide groove for axial movement of the movable baffle (515), the lower part of the movable baffle (515) is provided with a lower baffle (5151) for sealing the slide groove, and the upper part of the movable baffle (515) is provided with an upper baffle (5152) for sealing the slide groove.

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