Painting pigment dispersibility testing device

Abstract

The invention belongs to the technical field of pigment dispersity testing, and particularly relates to a painting pigment dispersity testing device which comprises a base, a testing cylinder, a double-cone-shaped dispersing mechanism and an anti-condensation type grinding mechanism, the testing cylinder is arranged on the upper wall of the base, the double-cone-shaped dispersing mechanism is arranged in the testing cylinder, and the anti-condensation type grinding mechanism is arranged in the testing cylinder. The anti-condensation type grinding mechanism is arranged between the upper wall and the bottom wall of the testing cylinder, and the double-cone type dispersing mechanism comprises a centrifugal mechanism, a flow gathering mechanism and a concentration measuring mechanism. The invention provides the device for testing the dispersibility of the pigment for drawing, which can be used for carrying out separation test on the particle pigment and the powder pigment and can be used for grinding the separated particle pigment into powder under the condition of avoiding the agglomeration of the powder pigment.

Description

Technical Field

[0001] The present invention belongs to the technical field of pigment dispersibility testing, and specifically refers to a device for testing the dispersibility of pigments used in painting. Background Art

[0002] In artworks, we widely use pigments to color drawing boards or other carriers for drawing patterns. Some are also applied in the colored coatings of building paintings and the colored plastics used to make a large number of plastic artworks. The pigments are evenly dispersed into these colored coating and plastic substances, making them display corresponding colors and giving people a sense of visual beauty. Therefore, whether the pigment is easily dispersed and the stability of the dispersion system directly affect the lifespan and quality of the colored artworks.

[0003] Currently, the existing devices for testing pigment dispersibility have the following problems: The existing devices for testing pigment dispersibility do not have the ability to separate particulate pigments from powder pigments, resulting in the overall rework of the milled pigments. As a result, the pigments are milled for a long time, causing the pigments with particle sizes meeting the requirements in the pigments to agglomerate during the long-term milling, thereby reducing the dispersibility of the pigments. Therefore, they cannot meet the current usage requirements of the existing devices for testing pigment dispersibility. Summary of the Invention

[0004] In view of the above situation, to overcome the defects of the existing technology, this solution provides a device for testing the dispersibility of pigments used in painting, which can perform separation tests on particulate pigments and powder pigments and can mill the separated particulate pigments into powder under the condition of avoiding the agglomeration of powder pigments.

[0005] The technical solution adopted in this solution is as follows: A device for testing the dispersibility of pigments used in painting proposed in this solution includes a base, a test cylinder, a double-cone dispersion mechanism, and an anti-coagulation milling mechanism. The test cylinder is arranged on the upper wall of the base. The double-cone dispersion mechanism is arranged inside the test cylinder. The anti-coagulation milling mechanism is arranged between the upper wall and the bottom wall of the test cylinder. The double-cone dispersion mechanism includes a centrifugal mechanism, a flow-converging mechanism, and a concentration-measuring mechanism. The centrifugal mechanism is arranged on the inner wall of the test cylinder. The flow-converging mechanism is arranged on the top wall of the test cylinder. The concentration-measuring mechanism is arranged on the side wall of the test cylinder. The anti-coagulation milling mechanism includes a wall-attaching mechanism and a bottom-pulling mechanism. The wall-attaching mechanism is arranged inside the centrifugal mechanism. The bottom-pulling mechanism is arranged on the bottom wall of the test cylinder.

[0006] As a further optimization of the solution in this case, the centrifugal mechanism includes a rotating ring, an inverted cone cylinder, a centrifugal motor and a centrifugal shaft. The rotating ring is rotatably arranged on the inner wall of the upper part of the test cylinder. The inverted cone cylinder is arranged on the bottom wall of the rotating ring, and the inverted cone cylinder is provided with an open upper end. The centrifugal motor is arranged on the bottom wall of the test cylinder below the inverted cone cylinder, and the centrifugal shaft is between the power end of the centrifugal motor and the inverted cone cylinder. The flow concentrating mechanism includes a flow concentrating motor, a flow concentrating shaft and inverted conical fan blades. The flow concentrating motor is arranged on the upper wall of the test cylinder. The flow concentrating shaft penetrates through the test cylinder and is arranged at the power end of the flow concentrating motor. Multiple groups of the inverted conical fan blades are arranged outside the flow concentrating shaft, and the inverted conical fan blades are arranged inside the inverted cone cylinder. The concentration measuring mechanism includes a light-transmitting glass layer, a concentration measuring seat, a light intensity sensor, an irradiation lamp and a light intensity glass layer. Multiple groups of the light-transmitting glass layers penetrate through the inner wall of the test cylinder. The concentration measuring seat is arranged outside the test cylinder. The light intensity sensor penetrates through one end inner wall of the concentration measuring seat close to the light-transmitting glass layer. Multiple groups of the irradiation lamps are arranged on the bottom wall of the test cylinder outside the flow concentrating shaft. Multiple groups of the light intensity glass layers penetrate through the top inner wall of the inverted cone cylinder, and the light intensity glass layer is horizontally arranged with the inner wall of the inverted cone cylinder.

[0007] During use, the power end of the centrifugal motor drives the inverted cone cylinder to rotate through the centrifugal shaft. The inverted cone cylinder drives the light intensity glass layer to face the light-transmitting glass layer on the inner wall of the test cylinder. The irradiation lamp is turned on in advance. The light irradiated by the irradiation lamp passes through the light intensity glass layer and the light-transmitting glass layer and is sensed by the light intensity sensor. The light intensity sensor detects the intensity of the light source emitted by the irradiation lamp from the inside of the inverted cone cylinder through the detection end. Then, the milled pigment is poured into the inside of the inverted cone cylinder through the test cylinder. The milled pigment occupies one-third of the volume inside the inverted cone cylinder. The power end of the centrifugal motor drives the inverted cone cylinder to rotate through the centrifugal shaft. The inverted cone cylinder rotates along the inner wall of the test cylinder through the rotating ring. The granular pigment inside the inverted cone cylinder rotates counterclockwise under the action of centrifugal force. The pigment particles move outward from the rotation center along the conical wall of the inverted cone cylinder under the action of centrifugal force. The greater the density of the pigment particles, the greater the centrifugal force they receive, and the easier it is to move outward along the conical wall of the inverted cone cylinder, so as to facilitate the spreading of the pigment.

[0008] Preferably, the wall-attaching mechanism includes fixed blocks, hydraulic cylinders, a split guide platform, connecting frames, connecting shafts, grinding frames, semi-cylindrical tubes, and grinding balls. Multiple groups of the fixed blocks are arranged on the bottom wall of the test cylinder. The hydraulic cylinders are hinged to one end of the fixed blocks away from the upper wall of the test cylinder. The split guide platform is rotatably arranged between the bottom wall of the inverted cone cylinder and the converging shaft. Multiple groups of the connecting frames are hinged to one end of the split guide platform away from the converging shaft. The connecting shafts are rotatably arranged at one end of the connecting frames away from the split guide platform. The grinding frames are arranged outside the connecting shafts. One end of the grinding frame away from the connecting shaft is hinged to one end of the hydraulic cylinder away from the fixed block. Multiple groups of the semi-cylindrical tubes are arranged at one end of the grinding frame close to the inner wall of the inverted cone cylinder. The semi-cylindrical tubes are open at one end. The grinding balls are arranged to roll at one end of the semi-cylindrical tubes away from the grinding frame. The bottom pulling mechanism includes support rods, a ring-shaped electromagnet, side pulling magnets, return springs, and a return plate. Multiple groups of the support rods are arranged on the bottom wall of the test cylinder outside the inverted cone cylinder. The ring-shaped electromagnet is arranged on one side of the support rod close to the inverted cone cylinder. The ring-shaped electromagnet is arranged outside the inverted cone cylinder. The side pulling magnets are arranged on the side wall of one end of the grinding frame close to the connecting shaft. The ring-shaped electromagnet and the side pulling magnets are arranged opposite to each other. The return plates are symmetrically arranged on both sides of the connecting shaft. The return springs are arranged between the connecting frames outside the connecting shaft and the return plates.

[0009] During use, when there are particulate pigments in the pigment for detecting dispersibility that have not been completely ground into powder, to ensure that the pigment has a smaller particle size and meets the painting requirements, when the light intensity sensor detects that the light intensity emitted from the inside of the inverted cone cylinder no longer changes, the power end of the hydraulic cylinder extends. The hydraulic cylinder drives the grinding balls at its upper end to fit against the inner wall of the upper part of the inverted cone cylinder through the grinding frame. Subsequently, the ring-shaped electromagnet is energized to generate magnetism. The ring-shaped electromagnet and the side pulling magnets are arranged with the same poles. The ring-shaped electromagnet is fixed on the side wall of the support rod and adsorbs the side pulling magnets through magnetic force. The side pulling magnets drive the lower end of the grinding frame to approach the inner wall of the inverted cone cylinder by using the deformation of the return spring. The grinding frame drives the grinding balls at its lower end to fit against the inner wall of the inverted cone cylinder, so that the grinding balls on the side wall of the grinding frame completely fit against the inner wall of the inverted cone cylinder. During the rotation of the inverted cone cylinder, the grinding balls roll along the inner wall of the inverted cone cylinder to grind the particulate pigments.

[0010] Specifically, a controller is arranged on the side wall of the test cylinder.

[0011] Among them, the controller is electrically connected to the centrifugal motor, the converging motor, the light intensity sensor, the irradiation lamp, the hydraulic cylinder, and the ring-shaped electromagnet respectively.

[0012] Preferably, the model of the controller is SYC89C52RC-401.

[0013] Further, the model of the light intensity sensor is BH1750.

[0014] The beneficial effects achieved by adopting the above structure are as follows: Compared with the prior art, this solution combines a counterclockwise centrifugal rotation structure with a clockwise air flow aggregation structure. Through the set double-cone dispersion mechanism and anti-condensation grinding mechanism, and in the coordinated use of the centrifugal mechanism, the flow concentration mechanism, the concentration measurement mechanism, the wall attachment mechanism, and the bottom pulling mechanism, it is possible to separate particulate pigments from powder pigments and detect the concentration of the separated powder pigments. On the one hand, it can detect the grinding effect of the grinding structure on the pigments. The smaller the pigment particles, the better the dispersibility. On the other hand, it can detect the viscosity of the powder pigments. Pigments with low viscosity have good fluidity, are easy to disperse, and can be quickly and evenly distributed in the medium. Moreover, with the intervention of the grinding balls, it is possible to perform a secondary grinding operation on the pigment particles that are not fully ground after separation. To avoid the aggregation of pigments during long-term grinding operations, by keeping the inverted conical fan blades rotating continuously, it is possible to collect the ground pigments and ensure the dispersibility of the pigments. The grinding frame drives the grinding balls at its lower end to fit the inner wall of the inverted cone cylinder, so that the grinding balls on the side wall of the grinding frame are completely in contact with the inner wall of the inverted cone cylinder. During the rotation of the inverted cone cylinder, the grinding balls roll along the inner wall of the inverted cone cylinder to grind the particulate pigments. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic diagram of the overall structure of this solution; Figure 2 is a schematic diagram of the internal structure of this solution; Figure 3 is a schematic diagram of the combined structure of the flow concentration mechanism and the wall attachment mechanism of this solution; Figure 4 is a schematic diagram of the structure of the bottom pulling mechanism of this solution; Figure 5 is the front view of this solution; Figure 6 is the side view of this solution; Figure 7 is the top view of this solution; Figure 8 is Figure 5 the sectional view of part A-A of Figure 9 is Figure 6 the sectional view of part B-B of Figure 10 is Figure 3 the enlarged structural view of part I of Figure 11 is Figure 8 the enlarged structural view of part II of Figure 12 is Figure 9 the enlarged structural view of part III of

[0016] Among them, 1. Base, 2. Test cylinder, 3. Double-cone dispersion mechanism, 4. Centrifugal mechanism, 5. Rotating ring, 6. Inverted cone cylinder, 7. Centrifugal motor, 8. Centrifugal shaft, 9. Converging mechanism, 10. Converging motor, 11. Converging shaft, 12. Inverted conical fan blades, 13. Concentration measuring mechanism, 14. Transparent glass layer, 15. Concentration measuring base, 16. Light intensity sensor, 17. Irradiation lamp, 18. Anti-condensation milling mechanism, 19. Wall-attaching mechanism, 20. Fixed block, 21. Hydraulic cylinder, 22. Diverting platform, 23. Connecting frame, 24. Connecting shaft, 25. Milling frame, 26. Semi-cylindrical tube, 27. Milling balls, 28. Bottom pulling mechanism, 29. Support rod, 30. Ring-shaped electromagnet, 31. Side-pulling magnet, 32. Return spring, 33. Return plate, 34. Controller, 35. Light intensity glass layer.

[0017] The attached drawings are used to provide a further understanding of the solution and form a part of the description. They are used together with the embodiments of the solution to explain the solution and do not constitute a limitation to the solution. Detailed implementation manners

[0018] Next, the technical solutions in the embodiments of the solution will be clearly and completely described in conjunction with the attached drawings in the embodiments of the solution. Obviously, the described embodiments are only a part of the embodiments of the solution, rather than all the embodiments; based on the embodiments in the solution, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the solution.

[0019] In the description of the solution, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the attached drawings. They are only for the convenience of describing the solution and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation to the solution.

[0020] Such as Figures 1 - 12As shown in the figure, the technical solution adopted in this solution is as follows: A paint dispersibility testing device for painting proposed in this solution includes a base 1, a testing cylinder 2, a double-cone dispersion mechanism 3, and an anti-coagulation grinding mechanism 18. The testing cylinder 2 is arranged on the upper wall of the base 1. The double-cone dispersion mechanism 3 is arranged inside the testing cylinder 2. The anti-coagulation grinding mechanism 18 is arranged between the upper wall and the bottom wall of the testing cylinder 2. The double-cone dispersion mechanism 3 includes a centrifugal mechanism 4, a converging mechanism 9, and a concentration measuring mechanism 13. The centrifugal mechanism 4 is arranged on the inner wall of the testing cylinder 2. The converging mechanism 9 is arranged on the top wall of the testing cylinder 2. The concentration measuring mechanism 13 is arranged on the side wall of the testing cylinder 2. The anti-coagulation grinding mechanism 18 includes a wall-attaching mechanism 19 and a bottom-pulling mechanism 28. The wall-attaching mechanism 19 is arranged inside the centrifugal mechanism 4. The bottom-pulling mechanism 28 is arranged on the bottom wall of the testing cylinder 2.

[0021] The centrifugal mechanism 4 includes a rotating ring 5, an inverted cone cylinder 6, a centrifugal motor 7, and a centrifugal shaft 8. The rotating ring 5 is rotatably arranged on the upper inner wall of the testing cylinder 2. The inverted cone cylinder 6 is arranged on the bottom wall of the rotating ring 5. The inverted cone cylinder 6 is provided with an open upper end. The centrifugal motor 7 is arranged on the bottom wall of the testing cylinder 2 below the inverted cone cylinder 6. The centrifugal shaft 8 is between the power end of the centrifugal motor 7 and the inverted cone cylinder 6. The converging mechanism 9 includes a converging motor 10, a converging shaft 11, and inverted conical fan blades 12. The converging motor 10 is arranged on the upper wall of the testing cylinder 2. The converging shaft 11 passes through the testing cylinder 2 and is arranged at the power end of the converging motor 10. Multiple groups of the inverted conical fan blades 12 are arranged outside the converging shaft 11. The inverted conical fan blades 12 are arranged inside the inverted cone cylinder 6. The concentration measuring mechanism 13 includes a light-transmitting glass layer 14, a concentration measuring base 15, a light intensity sensor 16, an irradiation lamp 17, and a light intensity glass layer 35. Multiple groups of the light-transmitting glass layer 14 are arranged through the inner wall of the testing cylinder 2. The concentration measuring base 15 is arranged outside the testing cylinder 2. The light intensity sensor 16 is arranged through the inner wall of the concentration measuring base 15 near the light-transmitting glass layer 14. Multiple groups of the irradiation lamps 17 are arranged on the bottom wall of the testing cylinder 2 outside the converging shaft 11. Multiple groups of the light intensity glass layer 35 are arranged through the top inner wall of the inverted cone cylinder 6. The light intensity glass layer 35 is horizontally arranged with the inner wall of the inverted cone cylinder 6.

[0022] The wall-attaching mechanism 19 includes a fixed block 20, a hydraulic cylinder 21, a diversion table 22, a connecting frame 23, a connecting shaft 24, a grinding frame 25, a semi-cylindrical tube 26 and a grinding ball 27. A plurality of groups of the fixed blocks 20 are arranged on the bottom wall of the test cylinder 2. The hydraulic cylinder 21 is hinged to one end of the fixed block 20 away from the upper wall of the test cylinder 2. The diversion table 22 is rotatably arranged between the bottom wall of the inverted conical cylinder 6 and the converging shaft 11. A plurality of groups of the connecting frames 23 are hinged to one end of the diversion table 22 away from the converging shaft 11. The connecting shaft 24 is rotatably arranged at one end of the connecting frame 23 away from the diversion table 22. The grinding frame 25 is arranged outside the connecting shaft 24. One end of the grinding frame 25 away from the connecting shaft 24 is hinged to one end of the hydraulic cylinder 21 away from the fixed block 20. A plurality of groups of the semi-cylindrical tubes 26 are arranged at one end of the grinding frame 25 close to the inner wall of the inverted conical cylinder 6. The semi-cylindrical tube 26 is provided with an open end. The grinding ball 27 is arranged to roll at one end of the semi-cylindrical tube 26 away from the grinding frame 25. The bottom pulling mechanism 28 includes a support rod 29, an annular electromagnet 30, a side pulling magnet 31, a return spring 32 and a return plate 33. A plurality of groups of the support rods 29 are arranged on the bottom wall of the test cylinder 2 outside the inverted conical cylinder 6. The annular electromagnet 30 is arranged on one side of the support rod 29 close to the inverted conical cylinder 6. The annular electromagnet 30 is arranged outside the inverted conical cylinder 6. The side pulling magnet 31 is arranged on the side wall of one end of the grinding frame 25 close to the connecting shaft 24. The annular electromagnet 30 and the side pulling magnet 31 are arranged opposite to each other. The return plates 33 are symmetrically arranged on both sides of the connecting shaft 24. The return spring 32 is arranged between the connecting frame 23 outside the connecting shaft 24 and the return plate 33.

[0023] A controller 34 is arranged on the side wall of the test cylinder 2.

[0024] The controller 34 is electrically connected to the centrifugal motor 7, the converging motor 10, the light intensity sensor 16, the irradiation lamp 17, the hydraulic cylinder 21 and the annular electromagnet 30 respectively.

[0025] The model of the controller 34 is SYC89C52RC-401.

[0026] The model of the light intensity sensor 16 is BH1750.

[0027] During specific use, the controller 34 controls the centrifugal motor 7 to start. The power end of the centrifugal motor 7 drives the inverted conical cylinder 6 to rotate through the centrifugal shaft 8. The inverted conical cylinder 6 drives the light intensity glass layer 35 to face the light-transmitting glass layer 14 on the inner wall of the test cylinder 2. The controller 34 controls the irradiation lamp 17 to start. The irradiation lamp 17 is turned on in advance. The light irradiated by the irradiation lamp 17 passes through the light intensity glass layer 35 and the light-transmitting glass layer 14 and is sensed by the light intensity sensor 16. The controller 34 controls the light intensity sensor 16 to start. The light intensity sensor 16 detects and records the intensity of the light source emitted by the irradiation lamp 17 from inside the inverted conical cylinder 6 through the detection end. Pour the milled painting pigment into the inside of the inverted cone 6 through the test cylinder 2. The milled pigment occupies one-third of the volume inside the inverted cone 6. The controller 34 controls the centrifugal motor 7 to start. The power end of the centrifugal motor 7 drives the inverted cone 6 to rotate through the centrifugal shaft 8. The inverted cone 6 rotates along the inner wall of the test cylinder 2 through the rotating ring 5. The granular pigment inside the inverted cone 6 rotates counterclockwise under the action of centrifugal force. The pigment particles move outward from the center of rotation along the conical wall of the inverted cone 6 under the action of centrifugal force. The greater the density of the pigment particles, the greater the centrifugal force they receive, and the easier it is to move outward along the conical wall of the inverted cone 6, thus facilitating the spreading of the pigment. At this time, the controller 34 controls the confluence motor 10 to start. The confluence motor 10 drives the inverted conical fan blade 12 to rotate through the power end. The inverted conical fan blade 12 rotates clockwise to collect the powder in the pigment. At the same rotation speed of the centrifugal motor 7 and the confluence motor 10, for larger pigment particles, their mass is larger, the inertial effect is significant, and the centrifugal force acting on them is more obvious, so they will move outward along the conical wall of the inverted cone 6. For fine pigment particles, they are more likely to move with the airflow. Under the action of the airflow aggregation force generated by the inverted conical fan blade 12, the powdery pigment aggregates towards the center of rotation, realizing the separation of pigment particles and pigment powder, which is convenient for testing the dispersibility of the pigment. The controller 34 controls the rotation speed of the power end of the centrifugal motor 7 to decrease. The pigment particles at the top of the inverted cone 6 are affected by weakened centrifugal force and slide down along the conical wall. The light beam generated by the irradiation lamp 17 passes through the powder pigment layer, passes through the light intensity glass layer 35 and the light-transmitting glass layer 14, and is sensed by the light intensity sensor 16. The light intensity sensor 16 detects the light intensity transmitted through the light-transmitting glass layer 14. When the detected light intensity meets the requirements of the user, it indicates that the pigment is fully milled and the pigment viscosity is low, and the dispersibility of the milled pigment meets the requirements. When there are granular pigments in the pigment whose dispersibility is being detected and are not completely milled into powder, in order to ensure that the pigment has a small particle size and meets the painting requirements, when the light intensity sensor 16 detects that the light intensity emitted from the inside of the inverted cone 6 no longer changes, the controller 34 controls the hydraulic cylinder 21 to start. The power end of the hydraulic cylinder 21 extends. The hydraulic cylinder 21 drives the milling ball 27 at its upper end to fit with the upper inner wall of the inverted cone 6 through the milling frame 25. Subsequently, the controller 34 controls the annular electromagnet 30 to start. The annular electromagnet 30 is energized to generate magnetism. The annular electromagnet 30 and the side-pulling magnet 31 are set with the same pole. The annular electromagnet 30 is fixed on the side wall of the support rod 29 and adsorbs the side-pulling magnet 31 through magnetism. The side-pulling magnet 31 drives the lower end of the milling frame 25 to approach the inner wall of the inverted cone 6 by the deformation of the return spring 32. The milling frame 25 drives the milling ball 27 at its lower end to fit with the inner wall of the inverted cone 6, so that the milling ball 27 on the side wall of the milling frame 25 completely fits with the inner wall of the inverted cone 6. During the rotation of the inverted conical cylinder 6, the grinding balls 27 roll along the inner wall of the inverted conical cylinder 6 to grind the granular pigment. Since the pigment particles entering the inside of the inverted conical cylinder 6 are the ground ones, to avoid the pigment particles being ground for a long time, resulting in the aggregation of pigment particles, the increase in particle size and the deterioration of dispersibility. After the pigment particles remaining on the inner wall of the inverted conical cylinder 6 are ground into powder, they are adsorbed away from the inside of the inverted conical cylinder 6 under the airflow aggregation of the inverted conical fan blades 12. Thus, the probability of the pigment aggregating due to long-term grinding can be reduced, the dispersibility of the pigment can be improved, and the painting effect can be ensured; just repeat the above operation when using it next time.

[0028] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.

[0029] The above describes the present solution and its implementation manner. This description is not restrictive. What is shown in the drawings is only one of the implementation manners of the present solution, and the actual structure is not limited thereto. All in all, if those of ordinary skill in the art are inspired by it and design similar structural manners and embodiments to this technical solution without creative efforts without departing from the creative purpose of the present solution, they shall fall within the protection scope of the present solution.

Claims

1. A paint dispersibility testing device for painting, comprising a base and a testing cylinder, characterized in that: It also includes a double-cone dispersion mechanism and an anti-coagulation milling mechanism, and the test cylinder is arranged on the upper wall of the base; The double-cone dispersion mechanism includes a centrifugal mechanism, a flow-converging mechanism and a concentration measuring mechanism; The centrifugal mechanism is arranged on the inner wall of the test cylinder, the flow-converging mechanism is arranged on the top wall of the test cylinder, and the concentration measuring mechanism is arranged on the side wall of the test cylinder; The anti-coagulation milling mechanism includes a wall-attaching mechanism and a bottom-pulling mechanism, the wall-attaching mechanism is arranged inside the centrifugal mechanism, and the bottom-pulling mechanism is arranged on the bottom wall of the test cylinder; The centrifugal mechanism includes a rotating ring and an inverted cone cylinder; The rotating ring is rotatably arranged on the upper inner wall of the test cylinder, the inverted cone cylinder is arranged on the bottom wall of the rotating ring, and the inverted cone cylinder is provided with an open upper end; The flow-converging mechanism includes a flow-converging motor and a flow-converging shaft; The flow-converging motor is arranged on the upper wall of the test cylinder, and the flow-converging shaft passes through the test cylinder and is arranged at the power end of the flow-converging motor; The wall-attaching mechanism includes fixed blocks, hydraulic cylinders, a guiding platform, connecting frames, connecting shafts, milling frames, semi-cylindrical barrels and milling balls; Multiple groups of fixed blocks are arranged on the bottom wall of the test cylinder, the hydraulic cylinders are hinged at one end of the fixed blocks away from the upper wall of the test cylinder, the guiding platform is rotatably arranged between the bottom wall of the inverted cone cylinder and the flow-converging shaft, multiple groups of connecting frames are hinged at one end of the guiding platform away from the flow-converging shaft, the connecting shafts are rotatably arranged at one end of the connecting frames away from the guiding platform, the milling frames are arranged outside the connecting shafts, one end of the milling frames away from the connecting shafts is hinged at one end of the hydraulic cylinders away from the fixed blocks, multiple groups of semi-cylindrical barrels are arranged at one end of the milling frames close to the inner wall of the inverted cone cylinder, the semi-cylindrical barrels are provided with an open end, and the milling balls are rollingly arranged at one end of the semi-cylindrical barrels away from the milling frames.

2. The paint dispersibility testing device according to claim 1, wherein: The centrifugal mechanism further includes a centrifugal motor and a centrifugal shaft, the centrifugal motor is arranged on the bottom wall of the test cylinder below the inverted cone cylinder, and the centrifugal shaft is between the power end of the centrifugal motor and the inverted cone cylinder.

3. A paint dispersibility testing device according to claim 1, characterized in that: The flow-converging mechanism further includes inverted conical fan blades, multiple groups of the inverted conical fan blades are arranged outside the flow-converging shaft, and the inverted conical fan blades are arranged inside the inverted cone cylinder.

4. The paint dispersion test device according to claim 1, characterized in that: The concentration measuring mechanism includes a light-transmitting glass layer, a concentration measuring seat and a light intensity sensor, multiple groups of the light-transmitting glass layers penetrate through the inner wall of the test cylinder, the concentration measuring seat is arranged outside the test cylinder, and the light intensity sensor penetrates through one end inner wall of the concentration measuring seat close to the light-transmitting glass layer.

5. A paint dispersibility testing device according to claim 1, characterized in that: The concentration measuring mechanism further includes irradiation lamps and light intensity glass layers, multiple groups of the irradiation lamps are arranged on the bottom wall of the test cylinder outside the flow-converging shaft, multiple groups of the light intensity glass layers penetrate through the top inner wall of the inverted cone cylinder, and the light intensity glass layers are horizontally arranged with the inner wall of the inverted cone cylinder.

6. The paint dispersibility testing device according to claim 1, wherein: The bottom-pulling mechanism includes support rods, a ring-shaped electromagnet, side-pulling magnets, return springs and return plates, multiple groups of the support rods are arranged on the bottom wall of the test cylinder outside the inverted cone cylinder, the ring-shaped electromagnet is arranged on one side of the support rods close to the inverted cone cylinder, and the ring-shaped electromagnet is arranged outside the inverted cone cylinder.

7. The paint dispersibility testing device according to claim 6, wherein: The side-pulling magnets are arranged on the side wall of one end of the milling frame close to the connecting shaft, the ring-shaped electromagnet and the side-pulling magnets are arranged oppositely, the return plates are symmetrically arranged on both sides of the connecting shaft, and the return springs are arranged between the connecting frames outside the connecting shaft and the return plates.

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