Micro-nano particle mixing equipment

Abstract

The utility model belongs to the technical field of mixing equipment, and discloses micro-nano particle mixing equipment. The micro-nano particle mixing equipment comprises a barrel, a stirring paddle and a scattering disc, a containing cavity is formed in the barrel, and a feeding port and a discharging port are formed in the outer wall of the barrel; the stirring paddle is arranged in the cylinder body and can rotate around the axis of the stirring paddle; the stirring paddle is provided with an inner helical ribbon and an outer helical ribbon which extend in the axial direction, the helical directions of the inner helical ribbon and the outer helical ribbon are opposite, and the inner helical ribbon can stir and drive materials in the barrel to move in the axial direction; the scattering disc is arranged at the tail end of the material moving direction driven by the inner spiral belt and comprises a plurality of scattering pin rods distributed in the circumferential direction, and the scattering pin rods are located in the containing cavity and can rotate around the central axis of the scattering disc. According to the micro-nano particle mixing equipment, agglomerated micro-nano particles can be scattered and remixed, the original integrity of the micro-nano particles is kept, the mixing uniformity and mixing efficiency of the micro-nano particles are improved, and the production quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mixing equipment, in particular to a micro-nano particle mixing equipment. Background Art

[0002] Vertical ribbon mixers are commonly used for drying and mixing dry mortar, chemicals, pesticides, detergents, pigments, foods, monosodium glutamate, milk powder, rubber additives and other powders. They are characterized by simple structure, easy maintenance, fast mixing speed, and good mixing and dispersion effects for fine powders and ultrafine powders. However, conventional mixing equipment cannot achieve good mixing effects for ultrafine powder particles, micro-nano particles and nano particles, because the agglomeration phenomenon between micro-nano powder particles affects the mixing uniformity of micro-nano particles.

[0003] In order to adapt to the mixing of micro-nano particle powders, the prior art often adds a flying knife to the ribbon mixer, and uses a high-speed flying knife to shear and mix the dust particle unit. The introduction of the flying knife can effectively break up and crush the agglomerated large particles, increase the uniformity of mixing, greatly shorten the mixing time, and improve production efficiency. However, the shearing effect of the flying knife will cause the original particles of the powder to break, resulting in changes in the properties of the raw materials, which is not conducive to the subsequent production process.

[0004] Therefore, there is an urgent need to provide a new type of micro-nano particle mixing device to solve the above-mentioned technical problems in the prior art. Utility Model Content

[0005] The utility model aims to provide a micro-nano particle mixing device, which can break up and remix agglomerated micro-nano particles, and also keep the original integrity of the micro-nano particles, thereby improving the mixing uniformity and mixing efficiency of the micro-nano particles and improving the production quality.

[0006] To achieve this purpose, the utility model adopts the following technical solutions:

[0007] The micro-nano particle mixing equipment comprises a cylinder, a stirring paddle and a scattering disk; a containing cavity is arranged inside the cylinder, and a feeding port and a discharging port respectively connected with the containing cavity are arranged on the cylinder; the stirring paddle is arranged inside the containing cavity and can rotate around its own axis; the stirring paddle comprises an inner spiral belt and an outer spiral belt extending along the axial direction, and along the radial direction of the stirring paddle, the inner spiral belt is located on the inner side of the outer spiral belt, and the spiral directions of the inner spiral belt and the outer spiral belt are opposite, and the inner spiral belt and the outer spiral belt can stir and drive the materials in their respective action areas in the containing cavity to move in opposite directions along the axial direction; the scattering disk is arranged at the end of the material movement direction driven by the inner spiral belt, and the scattering disk comprises a plurality of circumferentially distributed scattering pins, and the scattering pins can rotate around the central axis of the scattering disk.

[0008] Optionally, the accommodating chamber inside the cylinder is in the shape of a body of revolution, a generatrix of which coincides with the central axis of the stirring paddle, and the central axis of the stirring paddle is arranged along the vertical direction.

[0009] Optionally, the feeding port is arranged at the top of the cylinder, and the discharging port is arranged at the bottom of the cylinder.

[0010] Optionally, the above-mentioned discharge port is coaxially arranged with the above-mentioned stirring paddle, and the above-mentioned breaking up plate is movably connected to the above-mentioned discharge port, and the above-mentioned discharge port can be closed or opened.

[0011] Optionally, the above-mentioned dispersing disk includes a disk seat, a first driving mechanism, and a dispersing and mixing impeller. The above-mentioned first driving mechanism is arranged on the above-mentioned disk seat, the above-mentioned dispersing and mixing impeller is connected to the output end of the output shaft of the above-mentioned first driving mechanism, and the above-mentioned dispersing pin is arranged on the outer periphery of the blades of the above-mentioned dispersing and mixing impeller; the above-mentioned disk seat is used to close or open the above-mentioned discharge port, and when the above-mentioned disk seat closes the above-mentioned discharge port, the output shaft of the above-mentioned first driving mechanism is coaxial with the above-mentioned stirring paddle.

[0012] Optionally, the disc seat is rotatably connected to the end of the discharge port, a second driving mechanism is provided on the outer side of the cylinder, and the disc seat is connected to the output end of the second driving mechanism.

[0013] Optionally, the radial position of the breaking pin on the disc seat is adjustable.

[0014] Optionally, the above-mentioned cylinder includes an inverted conical portion, which is located at the bottom of the above-mentioned cylinder. Along the axial direction of the above-mentioned stirring paddle, the bottom of the above-mentioned inner spiral belt protrudes from the above-mentioned outer spiral belt arrangement, and at least a portion of the above-mentioned inner spiral belt protruding from the above-mentioned outer spiral belt arrangement is accommodated in the above-mentioned accommodating cavity corresponding to the above-mentioned inverted conical portion.

[0015] Optionally, the cylinder body comprises an upper cover, the upper cover is located at the top of the cylinder body, and the feeding port is arranged on the upper cover.

[0016] Optionally, the cylinder is provided with a third driving mechanism, which includes a stirring motor, and the output end of the stirring motor is sequentially connected to a reducer, an output shaft, a coupling and a stirring main shaft of the stirring paddle.

[0017] Beneficial effects:

[0018] The micro-nano particle mixing device of the utility model is provided with a feeding port and a discharging port on the cylinder, the feeding port is used to feed the material to be mixed, and the discharging port is used to discharge the mixed material; a stirring paddle is provided in the accommodating cavity in the cylinder, and the stirring paddle rotates around its own axis. The stirring paddle includes an inner spiral belt and an outer spiral belt, and the spiral directions of the inner spiral belt and the outer spiral belt are opposite, so that when the stirring paddle rotates, the inner spiral belt drives the material near the center of the accommodating chamber to approach the scattering disk at the end of the movement direction, and the scattering disk is provided with a plurality of scattering pins rotating around the axis of the scattering disk itself, so as to scatter and remix the material conveyed by the inner spiral belt evenly, and the material passing through the scattering pins moves toward the side wall of the cylinder (i.e., the outside of the accommodating chamber) under the action of centrifuge, and then is conveyed to the other end along the inner wall of the cylinder (i.e., close to the outside of the accommodating chamber) by the outer spiral belt, and re-enters the inner spiral belt for secondary scattering and mixing, and the material forms a circulating flow in the accommodating chamber, so that the material is fully mixed, the uniformity of the material mixing is increased, the mixing time is shortened, and the production efficiency is improved; and the use of pins to scatter the agglomerated micro-nano particles will not destroy the original particle size and performance of the material, maintain the integrity of the particles, and help to improve the subsequent production quality. The micro-nano particle mixing device can break up and remix agglomerated micro-nano particles, and also allows the micro-nano particles to maintain their original integrity, thereby improving the mixing uniformity and mixing efficiency of the micro-nano particles and improving the production quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a partial cross-sectional schematic diagram of a micro-nano particle mixing device provided by a specific embodiment of the utility model;

[0020] Figure 2 It is a structural schematic diagram of a stirring paddle provided in a specific embodiment of the utility model;

[0021] Figure 3 It is a structural schematic diagram of some components at the bottom of the micro-nano particle mixing device provided in a specific embodiment of the utility model;

[0022] Figure 4 It is an exploded view of a disintegration plate provided by a specific implementation manner of the utility model.

[0023] In the figure:

[0024] 100, cylinder; 101, feeding port; 102, discharging port; 1021, outlet hinge; 110, upper cover; 120, inverted cone;

[0025] 200, stirring paddle; 210, stirring main shaft; 220, outer spiral ribbon; 230, inner spiral ribbon; 240, spiral ribbon support arm;

[0026] 300, dispersing plate; 310, dispersing pin; 320, plate seat; 321, fixed support arm; 322, switch support arm; 330, first driving mechanism; 331, transmission shaft; 340, dispersing mixing impeller; 341, fixed nut; 350, second driving mechanism; 351, driving cylinder; 352, cylinder support column; 353, cylinder hinge; 354, cylinder hinge;

[0027] 400, third driving mechanism; 410, stirring motor; 420, speed reducer; 430, output shaft; 440, coupling; 450, motor support. DETAILED DESCRIPTION

[0028] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0029] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0031] In the description of this embodiment, the terms "upper", "lower", "right", etc., are based on the directions or positions shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0032] like Figures 1 to 4 As shown, the micro-nano particle mixing device includes a cylinder 100, a stirring paddle 200 and a scattering disk 300, wherein the cylinder 100 is provided with a containing cavity, and the cylinder 100 is provided with a feeding port 101 and a discharging port 102 which are connected with the containing cavity; the stirring paddle 200 is arranged inside the containing cavity and can rotate around its own axis; the stirring paddle 200 includes an inner spiral ribbon 230 and an outer spiral ribbon 220 which are arranged to extend in the axial direction, and the inner spiral ribbon 230 is arranged at the outer spiral ribbon 220 along the radial direction of the stirring paddle 200. On the inner side of the belt 220, the spiral directions of the inner spiral belt 230 and the outer spiral belt 220 are opposite, and the inner spiral belt 230 and the outer spiral belt 220 can stir and drive the materials in their respective action areas in the above-mentioned accommodating chamber to move axially in opposite directions; the above-mentioned scattering disk 300 is arranged at the end of the material movement direction driven by the above-mentioned inner spiral belt 230, and the above-mentioned scattering disk 300 includes a plurality of circumferentially distributed scattering pins 310, and the above-mentioned scattering pins 310 can rotate around the central axis of the above-mentioned scattering disk 300.

[0033] The micro-nano particle mixing device in this embodiment is provided with a feed port 101 and a discharge port 102 on the cylinder 100. The feed port 101 is used to feed the material to be mixed, and the discharge port 102 is used to discharge the mixed material. In the accommodating chamber in the cylinder 100, a stirring paddle 200 is provided, and the stirring paddle 200 rotates around its own axis. The stirring paddle 200 includes an inner spiral belt 230 and an outer spiral belt 220. The spiral directions of the inner spiral belt 230 and the outer spiral belt 220 are opposite, so that when the stirring paddle 200 rotates, the inner spiral belt 230 drives the material close to the center of the accommodating chamber (i.e., the action area of ​​the inner spiral belt 230) to approach the scattering disk 300 at the end of the movement direction. The scattering disk 300 is provided with a plurality of scattering pins 310 that rotate around the axis of the scattering disk 300 itself, so as to scatter and remix the material transported by the inner spiral belt 230. The material passing through the scattering pins 310 is centrifuged to the side of the cylinder 100. The material moves from the inner wall (i.e., the outside of the accommodating chamber) of the cylinder 100 by the outer spiral belt 220, and then is transported to the other end along the inner wall of the cylinder 100 (i.e., close to the outside of the accommodating chamber, i.e., the action area of ​​the outer spiral belt 220), and re-enters the inner spiral belt 230 for secondary breaking up and mixing. The material forms a circulating flow in the accommodating chamber, so that the material is fully mixed, the uniformity of the material mixing is increased, the mixing time is shortened, and the production efficiency is improved; and the use of a pin to break up the agglomerated micro-nano particles will not destroy the original particle size and performance of the material, maintain the integrity of the particles, and help improve the subsequent production quality. The micro-nano particle mixing equipment can break up and remix the agglomerated micro-nano particles, and also allows the micro-nano particles to maintain their original integrity, improve the mixing uniformity and mixing efficiency of the micro-nano particles, and improve the production quality.

[0034] Furthermore, the accommodating chamber inside the cylinder 100 is in the shape of a body of revolution, and its generatrix coincides with the central axis of the stirring paddle 200, and the central axis of the stirring paddle 200 is arranged in the vertical direction. That is, when the stirring paddle 200 rotates, one of the inner spiral belt 230 and the outer spiral belt 220 drives the material to rise, and the other drives the material to fall, so that the material is dispersed and mixed in the process of lifting and lowering, and the rising and falling materials will not be mixed into the other due to the effect of gravity, thereby ensuring the mixing uniformity and dispersion effect of the materials, reducing the time required for mixing, and thus improving the mixing efficiency.

[0035] Optionally, the feed port 101 is arranged at the top of the cylinder 100, and the discharge port 102 is arranged at the bottom of the cylinder 100. The feed port 101 and the discharge port 102 arranged in this way are more in line with the operator's usage habits, and the method of discharging from the bottom is more convenient and easier to operate.

[0036] In this embodiment, the above-mentioned discharge port 102 is coaxially arranged with the above-mentioned stirring paddle 200, and the above-mentioned scattering disk 300 is movably connected to the above-mentioned discharge port 102 to close or open the discharge port 102. In this embodiment, the scattering disk 300 is arranged at the discharge port 102, and the outer spiral belt 220 of the stirring paddle 200 lifts the material, while the inner spiral belt 230 lowers the material, so that the material enters the scattering disk 300 of the discharge port 102 for scattering and mixing. After the material mixing is completed, the scattering disk 300 can be opened to use the discharge port 102 to discharge the material, and the operation is more convenient.

[0037] Please continue to refer to Figure 1 and Figure 2 , the cylinder 100 is provided with a third driving mechanism 400, and the third driving mechanism 400 includes a stirring motor 410, and the output end of the stirring motor 410 is sequentially connected with a reducer 420, an output shaft 430, a coupling 440 and the stirring main shaft 210 of the stirring paddle 200. The stirring motor 410 is fixed to the top of the upper cover 110 of the cylinder 100 through a motor support 450 to achieve the fixation of the third driving mechanism 400. The reducer 420 and the coupling 440 are conventional technical means in this field, and their specific structures are not repeated in this embodiment. The reducer 420 can realize mechanical transmission deceleration, which can reduce the output speed of the motor or engine and increase the output torque; the function of the reducer 420 is to convert the input high-speed and low-torque rotation through the reducer 420 structure of the reducer, and the output is a low-speed and high-torque rotation to meet the working needs of specific equipment and mechanical facilities. The coupling 440 is used to connect two shafts. It has a buffering effect and can reduce the vibration and noise caused by the misalignment or displacement of the shafts. The function of the coupling 440 is to transmit torque and rotation direction, and to a certain extent, it can alleviate the impact and vibration during the transmission process.

[0038] Optionally, the cylinder 100 includes an upper cover 110, and the upper cover 110 is provided with the feeding port 101. Specifically, the cylinder 100 includes a cylinder body and the upper cover 110, and the top of the cylinder body is flange-connected with the upper cover 110 to form the accommodating cavity. The upper cover 110 and the cylinder body are connected by flanges, which not only fixes the upper cover 110 and is reliable, but also facilitates the disassembly of the upper cover 110, so that the parts in the cylinder 100 can be maintained and replaced, which can improve the maintenance efficiency.

[0039] Please refer to Figure 2 and 3The cylinder 100 further includes an inverted cone 120, which is located at the bottom of the cylinder 100. Along the axial direction of the stirring paddle 200, the bottom of the inner spiral ribbon 230 protrudes from the outer spiral ribbon 220, and at least part of the inner spiral ribbon 230 protruding from the outer spiral ribbon 220 is accommodated in the accommodation cavity corresponding to the inverted cone 120. By setting the bottom of the cylinder 100 as the inverted cone 120, and accommodating the part of the inner spiral ribbon 230 protruding from the outer spiral ribbon 220 in the inverted cone 120, the material transported by the inner spiral ribbon 230 can be dispersed and mixed in the inverted cone 120, and then transported and lifted by the outer spiral ribbon 220, which can extend the time of dispersing and mixing the material in one transport process, achieve better mixing effect, reduce the number of mixing times, and improve mixing efficiency.

[0040] In this embodiment, the outer spiral ribbon 220 and the inner spiral ribbon 230 are both fixed to the stirring main shaft 210 through the spiral ribbon support arm 240, which will not be described in detail here.

[0041] Please continue to refer to Figure 4 The above-mentioned scattering disk 300 includes a disk seat 320, a first driving mechanism 330, and a scattering and mixing impeller 340. The above-mentioned first driving mechanism 330 is arranged on the above-mentioned disk seat 320. The above-mentioned scattering and mixing impeller 340 is connected to the output end of the output shaft of the above-mentioned first driving mechanism 330. The above-mentioned scattering pin 310 is arranged on the outer periphery of the blade of the above-mentioned scattering and mixing impeller 340; the above-mentioned disk seat 320 is used to close or open the above-mentioned discharge port 102. When the above-mentioned disk seat 320 closes the above-mentioned discharge port 102, the output shaft of the above-mentioned first driving mechanism 330 is coaxial with the above-mentioned stirring paddle 200. When the scattering and mixing impeller 340 rotates, the centrifugal force and the blade thrust can be used to transport the material to the scattering pin 310 on the outer periphery of the blade. The scattering pin 310 hits the agglomerated material particles to scatter and mix the material, and the scattering and mixing effect is better and the mixing efficiency is higher; and the disk seat 320 controls its closing and opening at the discharge port 102, and the operation is simpler and more convenient.

[0042] like Figure 3 and Figure 4As shown, optionally, the disc seat 320 is rotatably connected to the end of the discharge port 102 , a second driving mechanism 350 is disposed on the outer side of the cylinder 100 , and the disc seat 320 is connected to the output end of the second driving mechanism 350 . In this embodiment, the second driving mechanism 350 includes a driving cylinder 351, a cylinder support column 352, a cylinder hinge 353 and a cylinder hinge 354. One end of the driving cylinder 351 is hinged to the outer wall of the cylinder 100 through the cylinder hinge 354. The output end of the driving cylinder 351 is the cylinder support column 352. The cylinder support column 352 is hinged to the switch arm 322 of the disc seat 320 through the cylinder hinge 353. At the same time, the fixed arm 321 of the disc seat 320 is hinged to the discharge port 102 through the outlet hinge 1021. Through the operation of the driving cylinder 351, the cylinder support column 352 can be pushed to move, thereby driving the disc seat 320 to rotate at the discharge port 102, thereby realizing the closing and opening of the discharge port 102. The operation is simple and convenient, and the structure is simplified, which is conducive to reducing production costs.

[0043] Preferably, the first driving mechanism 330 is a driving motor.

[0044] Specifically, the dispersing and mixing impeller 340 is inserted on the transmission shaft 331 of the first driving mechanism 330, and the dispersing and mixing impeller 340 is fixedly connected to the transmission shaft 331 using a fixing nut 341. The first driving mechanism 330 simultaneously drives the dispersing and mixing impeller 340 and the dispersing pin 310 on the dispersing and mixing impeller 340 to rotate.

[0045] In this embodiment, the blades of the mixing impeller 340 are conical and have four blades arranged at 90° angles to each other, which will not be described in detail here.

[0046] Furthermore, the radial position of the above-mentioned breaking pin 310 on the above-mentioned disc seat 320 is adjustable. The surface of the disc seat 320 is provided with multiple circles of fixing holes, each circle is provided with multiple fixing holes, and the diameter of the circle formed by the connecting line of each circle of fixing holes is different. By fixing the breaking pin 310 in different fixing holes, the position of the breaking pin 310 can be changed, which is suitable for mixing operations of different materials. Of course, the distances between these breaking pins 310 and the central axis of the disc seat 320 can be the same or different. The position of the breaking pin 310 can be adjusted according to the specific breaking and mixing requirements, which will not be repeated here.

[0047] In this embodiment, the breaking pin 310 is a cylindrical structure, which can ensure the material breaking effect while avoiding sharp edges from breaking the integrity of material particles, thereby improving the quality of the material.

[0048] The specific working process of the micro-nano particle mixing device is as follows:

[0049] Feeding: The movement of the driving cylinder 351 causes the cylinder support column 352 to extend, and through the hinge connection between the disc seat 320 and the cylinder hinge 353 and the fixed end of the outlet hinge 1021, the scattering disc 300 closes the discharge port 102, and the stirring paddle 200 is turned on, and a certain amount of material is fed into the cylinder 100 from the feeding port 101;

[0050] Working state: According to the characteristics of the material, adjust the speed of the stirring motor 410 and the speed of the first driving mechanism 330 of the scattering disk 300, and the equipment enters the working state. The material is driven by the outer spiral belt 220 to move upward along the side wall of the cylinder 100, and the inner spiral belt 230 pushes the material downward along the stirring main shaft 210 to the scattering disk 300. The scattering pin 310 scatters and mixes the material, and finally completes the material mixing within a certain temperature and mixing time.

[0051] Discharging: First, close the first driving mechanism 330. Drive the oil cylinder 351 to shorten the stroke of the oil cylinder support column 352, so that the scattering disc 300 rotates downward and opens the discharge port 102. The material is discharged from the discharge port 102 under the conveying action of the inner spiral belt 230 of the stirring paddle 200, thereby realizing the discharging of the material.

[0052] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the scope of protection of the present invention. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the scope of protection of the claims of the present invention.

Claims

1. Micro-nano particle mixing equipment, It is characterized in that include: A cylinder (100), wherein a containing cavity is arranged inside the cylinder (100), and a feeding port (101) and a discharging port (102) respectively connected to the containing cavity are arranged on the cylinder (100); A stirring paddle (200), the stirring paddle (200) being arranged inside the accommodating chamber and being capable of rotating around its own axis; the stirring paddle (200) comprising an inner spiral ribbon (230) and an outer spiral ribbon (220) extending along the axial direction; along the radial direction of the stirring paddle (200), the inner spiral ribbon (230) is located on the inner side of the outer spiral ribbon (220); the spiral directions of the inner spiral ribbon (230) and the outer spiral ribbon (220) are opposite; the inner spiral ribbon (230) and the outer spiral ribbon (220) are capable of stirring and driving materials in respective action areas in the accommodating chamber to move in opposite directions along the axial direction; A scattering disc (300), wherein the scattering disc (300) is arranged at the end of the material movement direction driven by the inner spiral belt (230), and the scattering disc (300) includes a plurality of scattering pins (310) distributed along the circumferential direction, and the scattering pins (310) can rotate around the central axis of the scattering disc (300).

2. The micro-nanoparticle mixing device according to claim 1, It is characterized in that The accommodating chamber inside the cylinder (100) is in the shape of a body of revolution, and its generatrix coincides with the central axis of the stirring paddle (200), and the central axis of the stirring paddle (200) is arranged along the vertical direction.

3. The micro-nanoparticle mixing device according to claim 2, It is characterized in that The feeding port (101) is arranged at the top of the cylinder (100), and the discharging port (102) is arranged at the bottom of the cylinder (100).

4. The micro-nanoparticle mixing device according to any one of claims 1 to 3, It is characterized in that The discharge port (102) is coaxially arranged with the stirring paddle (200), and the breaking disc (300) is movably connected to the discharge port (102) to close or open the discharge port (102).

5. The micro-nanoparticle mixing device according to claim 4, It is characterized in that The scattering disk (300) comprises a disk seat (320), a first driving mechanism (330), and a scattering and mixing impeller (340), wherein the first driving mechanism (330) is arranged on the disk seat (320), the scattering and mixing impeller (340) is connected to the output end of the output shaft of the first driving mechanism (330), and the scattering pin (310) is arranged on the outer periphery of the blades of the scattering and mixing impeller (340); The disc seat (320) is used to close or open the discharge port (102); when the disc seat (320) closes the discharge port (102), the output shaft of the first driving mechanism (330) is coaxial with the stirring paddle (200).

6. The micro-nanoparticle mixing device according to claim 5, It is characterized in that The disc seat (320) is rotatably connected to the end of the discharge port (102); a second driving mechanism (350) is provided on the outside of the cylinder (100); and the disc seat (320) is connected to the output end of the second driving mechanism (350).

7. The micro-nanoparticle mixing device according to claim 5, It is characterized in that The radial position of the breaking pin (310) on the disc seat (320) is adjustable.

8. The micro-nanoparticle mixing device according to claim 2, It is characterized in that The cylinder (100) comprises an inverted conical portion (120), wherein the conical portion (120) is located at the bottom of the cylinder (100), and along the axial direction of the stirring paddle (200), the bottom of the inner spiral belt (230) protrudes from the outer spiral belt (220), and at least a portion of the inner spiral belt (230) protruding from the outer spiral belt (220) is accommodated in the accommodating cavity corresponding to the inverted conical portion (120).

9. The micro-nanoparticle mixing device according to claim 2 or 8, It is characterized in that The cylinder (100) comprises an upper cover (110), wherein the upper cover (110) is located at the top of the cylinder (100), and the feeding port (101) is arranged on the upper cover (110).

10. The micro-nanoparticle mixing device according to claim 1, It is characterized in that The cylinder (100) is provided with a third driving mechanism (400), and the third driving mechanism (400) comprises a stirring motor (410), and the output end of the stirring motor (410) is sequentially connected to a reducer (420), an output shaft (430), a coupling (440), and a stirring main shaft (210) of the stirring paddle (200).

Images