A titanium dioxide multi-stage grinding device

Abstract

The utility model discloses a titanium dioxide multi-stage grinding device, including a base, a first cylinder is arranged above the base, a side of the first cylinder is rotatably connected to a second cylinder through a bearing, a blowing device is arranged on the side of the first cylinder away from the second cylinder, and the blowing device includes an inclined plate, a first support seat, a cover, a motor, an air filter, a fan, a support cylinder and a belt. The utility model relates to the technical field of titanium dioxide grinding. The titanium dioxide multi-stage grinding device achieves the effect of the motor driving the support cylinder to blow away the titanium dioxide in the cylinder when the titanium dioxide multi-stage grinding device is running through the cooperation between the inclined plate, the first support seat, the cover, the motor, the air filter, the fan, the support cylinder and the belt, thereby solving the problem that the titanium dioxide may accumulate in the dead corner of the cylinder when the existing titanium dioxide multi-stage grinding device is running, thereby reducing the grinding efficiency of the titanium dioxide multi-stage grinding device.

Description

Technical Field

[0001] The utility model relates to the technical field of titanium dioxide grinding, in particular to a titanium dioxide multi-stage grinding device. Background Art

[0002] Titanium dioxide, commonly known as titanium dioxide, is an important chemical raw material. It not only has very stable physical and chemical properties, but also has excellent optical, electrical properties and outstanding pigment properties.

[0003] The existing multi-stage grinding device for titanium dioxide generally drives the cylinder to rotate by a motor, so that the grinding media in the cylinder grinds the titanium dioxide;

[0004] However, when the existing titanium dioxide multi-stage grinding device is in operation, titanium dioxide may accumulate in the dead corners of the cylinder. Long-term accumulation will cause the titanium dioxide to agglomerate, thereby blocking the screen, thereby reducing the grinding efficiency of the titanium dioxide multi-stage grinding device. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a titanium dioxide multi-stage grinding device, which solves the problem that when the existing titanium dioxide multi-stage grinding device is in operation, titanium dioxide may accumulate in the dead corners of the cylinder. Long-term accumulation will cause the titanium dioxide to agglomerate, thereby clogging the screen, thereby reducing the grinding efficiency of the titanium dioxide multi-stage grinding device.

[0006] To achieve the above-mentioned purpose, the utility model is implemented through the following technical solutions: a titanium dioxide multi-stage grinding device, including a base, a first cylinder is arranged above the base, one side of the first cylinder is rotatably connected to the second cylinder, a blowing device is arranged on the side of the first cylinder away from the second cylinder, the blowing device includes an inclined plate, a first support seat, a cover body, a motor, an air filter, a fan, a support cylinder, a belt and a pulley, the inclined plate is fixedly connected to the side of the top of the base away from the second cylinder, the side of the inclined plate away from the second cylinder is fixedly connected to the first support seat, the top of the first support seat is fixedly connected to the cover body, the The side of the cover body close to the second cylinder is fixedly connected to the outer wall of the inclined plate, the inner wall of the cover body is fixedly connected to the motor through a motor sleeve, the top of the cover body is fixedly connected to an air filter, and the side of the air filter close to the inclined plate is provided with a fan fixedly connected to the top of the cover body, the input end of the fan is connected to the air filter, the output end of the fan passes through the inclined plate and is rotatably connected to a support cylinder, the support cylinder passes through the first cylinder and is fixedly connected to the first cylinder, the output end of the motor passes through the inclined plate, the output end of the motor and the outer wall of the support cylinder are fixedly connected to pulleys, and the two pulleys are connected by belt transmission.

[0007] Preferably, a sorting structure is provided on the side of the top of the base away from the inclined plate, and the sorting device includes a first box body, a second box body, a first sliding door, a second sliding door, a discharge pipe, a filter, a connecting pipe and a cyclone separator. The first box body is fixedly connected to the side of the top of the base away from the inclined plate, and the side of the first box body away from the inclined plate is provided with a second box body fixedly connected to the top of the base, the front of the first box body is hinged with a first sliding door through a hinge, the front of the second box body is hinged with a second sliding door through a hinge, the side of the first box body away from the second box body is connected with a discharge pipe, the other end of the discharge pipe is connected to the bottom of the second cylinder, the top of the first box body is connected with a connecting pipe, the inner wall of the connecting pipe is installed with a filter, the other end of the connecting pipe is connected with a cyclone separator, and the bottom of the cyclone separator is connected to the top of the second box body.

[0008] Preferably, one side of the filter screen extends to the outside of the connecting pipe, and the end of the filter screen extending to the outside of the connecting pipe is fixedly connected to a block, the side of the block away from the filter screen is fixedly connected to a pull rod, the bottom of the pull rod is fixedly connected to a slider, the outer wall of the slider is slidably clamped with a cross plate, and the side of the cross plate close to the filter screen is fixedly connected to the outer wall of the connecting pipe.

[0009] Preferably, a second support seat is fixedly connected to the top of the base, and the top of the second support seat is rotatably connected to the first cylinder through a ball bearing. A vertical plate fixedly connected to the top of the base is provided on the side of the second support seat close to the first box body, and the side of the vertical plate close to the first cylinder is fixedly connected to the second cylinder.

[0010] Preferably, the third screen, the second screen and the first screen are fixedly connected in sequence on one side of the inner wall of the first cylinder close to the support cylinder, and the top of the first cylinder is connected to a feed port arranged between the third screen and the support cylinder. Beneficial Effects

[0011] The utility model provides a titanium dioxide multi-stage grinding device. It has the following beneficial effects: the titanium dioxide multi-stage grinding device, through the cooperation among the inclined plate, the first support seat, the cover body, the motor, the air filter, the fan, the support cylinder and the belt, realizes that when the titanium dioxide multi-stage grinding device is running, the air filter prevents foreign dust and other debris from entering the cylinder body, and the motor drives the support cylinder to blow away the titanium dioxide in the cylinder body, which solves the problem that when the existing titanium dioxide multi-stage grinding device is running, the titanium dioxide may accumulate in the dead corner of the cylinder body, and the long-term accumulation will cause the titanium dioxide to clump, thereby blocking the screen, thereby reducing the grinding efficiency of the titanium dioxide multi-stage grinding device.

[0012] Through the coordination among the first box, the second box, the first sliding door, the second sliding door, the discharge pipe, the filter, the connecting pipe and the cyclone separator, the effect of coarser titanium dioxide particles entering the first box and finer titanium dioxide particles entering the second box through the cyclone separator is achieved after the titanium dioxide is ground by the titanium dioxide multi-stage grinding device, thereby solving the problem that the particle size range of titanium dioxide after grinding by the existing titanium dioxide multi-stage sorting device is too wide, the coarse and fine particles are mixed, and the hiding power, chromaticity, dispersibility and other properties of titanium dioxide in application fields such as coatings and plastics are affected. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 for Figure 1 Schematic diagram of the three-dimensional structure;

[0015] Figure 3 for Figure 1 A schematic diagram of the structure of the first box body, the second box body and the connecting pipe;

[0016] Figure 4 for Figure 1 Schematic diagram of the structure at A in the middle.

[0017] In the figure: 1. base; 2. first cylinder; 3. second cylinder; 4. inclined plate; 5. first support seat; 6. cover; 7. motor; 8. air filter; 9. fan; 10. support cylinder; 11. belt; 12. pulley; 13. first box; 14. second box; 15. first sliding door; 16. second sliding door; 17. discharge pipe; 18. filter; 19. connecting pipe; 20. cyclone separator; 21. block; 22. pull rod; 23. slider; 24. horizontal plate; 25. second support seat; 26. vertical plate; 27. first screen; 28. second screen; 29. ​​third screen; 30. feed port. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] When the existing titanium dioxide multi-stage grinding device is in operation, titanium dioxide may accumulate in the dead corners of the cylinder. Long-term accumulation will cause the titanium dioxide to agglomerate, thereby blocking the screen, thereby reducing the grinding efficiency of the titanium dioxide multi-stage grinding device.

[0020] In view of this, the utility model provides a titanium dioxide multi-stage grinding device. The titanium dioxide multi-stage grinding device, through the cooperation between the inclined plate, the first support seat, the cover body, the motor, the air filter, the fan, the support cylinder and the belt, realizes that when the titanium dioxide multi-stage grinding device is running, the air filter prevents external dust and other debris from entering the cylinder body, and the motor drives the support cylinder to blow away the titanium dioxide in the cylinder body. This solves the problem that when the existing titanium dioxide multi-stage grinding device is running, titanium dioxide may accumulate in the dead corners of the cylinder body. Long-term accumulation will cause the titanium dioxide to clump, thereby clogging the screen, thereby reducing the grinding efficiency of the titanium dioxide multi-stage grinding device.

[0021] By those skilled in the art, the components in this case are connected in sequence. The specific connection and operation sequence should refer to the working principle below. The detailed connection means are well-known technologies in this field. The working principle and process are mainly introduced below.

[0022] Embodiment 1, by Figure 1-4It can be seen that a titanium dioxide multi-stage grinding device in this case includes a base 1, which supports the titanium dioxide multi-stage grinding device. A first cylinder 2 is arranged above the base 1. High-aluminum ceramic balls of different sizes are installed inside the first cylinder 2. High-aluminum ceramics have the characteristics of high hardness and high wear resistance, which can effectively improve the grinding efficiency. The high-aluminum ceramic balls grind the titanium dioxide. A second cylinder 3 is rotatably connected to one side of the first cylinder 2, and the ground titanium dioxide enters the second cylinder 3. A blowing device is arranged on the side of the first cylinder 2 away from the second cylinder 3. The blowing device blows up the titanium dioxide inside the first cylinder 2. The blowing device includes an inclined plate 4, a first support seat 5, Cover body 6, motor 7, air filter 8, fan 9, support cylinder 10, belt 11 and pulley 12, inclined plate 4 is fixedly connected to the side of the top of base 1 away from the second cylinder 3, the side of inclined plate 4 away from the second cylinder 3 is fixedly connected with the first support seat 5, inclined plate 4 supports the first support seat 5, the top of the first support seat 5 is fixedly connected with cover body 6, the first support seat 5 supports cover body 6, the side of cover body 6 close to the second cylinder 3 is fixedly connected to the outer wall of inclined plate 4, the inner wall of cover body 6 is fixedly connected with motor 7 through motor sleeve, cover body 6 prevents external dust and other debris from entering into motor 7 and damaging it, the model of motor 7 is determined according to actual needs Please choose, and it can meet the work. First, connect the motor 7 to the external power supply. The top of the cover body 6 is fixedly connected with an air filter 8. The air filter 8 prevents external dust and other debris from entering the first cylinder 2, so that the purity of titanium dioxide is reduced. The air filter 8 is close to the inclined plate 4. A fan 9 fixedly connected to the top of the cover body 6 is provided. The input end of the fan 9 is connected to the air filter 8. The output end of the fan 9 penetrates the inclined plate 4 and is rotatably connected to the support cylinder 10. The interior of the support cylinder 10 is a hollow structure. The wind generated by the fan 9 enters the first cylinder 2 through the support cylinder 10. The support cylinder 10 penetrates the first cylinder 2 and is fixedly connected to the first cylinder 2. The input of the motor 7 The output end passes through the inclined plate 4, and the output end of the motor 7 and the outer wall of the support cylinder 10 are fixedly connected with a pulley 12. The two pulleys 12 are connected by a belt 11. The motor 7 drives the support cylinder 10 to rotate. When the titanium dioxide multi-stage grinding device is used, the staff first starts the motor 7, the motor 7 drives the support cylinder 10 to rotate, the support cylinder 10 drives the first cylinder 2 to rotate, and the first cylinder 2 drives the high-aluminum ceramic ball to do a throwing motion, so as to grind the titanium dioxide into fine powder. After completion, the motor 7 is turned off, and the fan 9 drives the support cylinder 10 to generate wind force to blow the titanium dioxide particles remaining in the first cylinder 2 to the inside of the second cylinder 3. After completion, the fan 9 is turned off;

[0023] In the specific implementation process, it is worth pointing out that the base 1 supports the titanium dioxide multi-stage grinding device, and the first cylinder 2 is equipped with high-aluminum ceramic balls of different sizes. High-aluminum ceramics have the characteristics of high hardness and high wear resistance, which can effectively improve the grinding efficiency. The high-aluminum ceramic balls grind the titanium dioxide, and the ground titanium dioxide enters the second cylinder 3. The blowing device blows up the titanium dioxide inside the first cylinder 2. The inclined plate 4 supports the first support seat 5, and the first support seat 5 supports the cover body 6. The cover body 6 prevents external dust and other debris from entering the motor 7 and damaging it. The model of the motor 7 is selected according to actual needs and can meet the work. First, the motor 7 is connected to an external power supply, and the air filter 8 prevents External dust and other debris enter the first cylinder 2, reducing the purity of titanium dioxide. The interior of the support cylinder 10 is a hollow structure. The fan 9 generates wind force through the support cylinder 10 to enter the first cylinder 2. The motor 7 drives the support cylinder 10 to rotate. When the titanium dioxide multi-stage grinding device is used, the staff first starts the motor 7, the motor 7 drives the support cylinder 10 to rotate, the support cylinder 10 drives the first cylinder 2 to rotate, and the first cylinder 2 drives the high-aluminum ceramic ball to do a throwing motion, thereby grinding the titanium dioxide into fine powder. After completion, the motor 7 is turned off, and the fan 9 drives the support cylinder 10 to generate wind force to blow the titanium dioxide particles remaining in the first cylinder 2 into the second cylinder 3. After completion, the fan 9 is turned off to achieve the cleaning of the first cylinder 2;

[0024] Furthermore, a sorting structure is provided on one side of the top of the base 1 away from the inclined plate 4. When the titanium dioxide grinding device is finished grinding, the sorting device sorts the ground titanium dioxide. The sorting device includes a first box 13, a second box 14, a first sliding door 15, a second sliding door 16, a discharge pipe 17, a filter screen 18, a connecting pipe 19 and a cyclone separator 20. The first box 13 is fixedly connected to the side of the top of the base 1 away from the inclined plate 4. The first box 13 stores the coarser titanium dioxide. The side of the first box 13 away from the inclined plate 4 is provided with a fixed connection to the top of the base 1. The second box 14 is used to store finer titanium dioxide. The front of the first box 13 is hinged with a first sliding door 15. When the first box 13 is full, the staff opens the first sliding door 15 to store the titanium dioxide in the first box 13. The front of the second box 14 is hinged with a second sliding door 16. When the second box 14 is full, the staff opens the second sliding door 16 to store the titanium dioxide in the second box 14. The side of the first box 13 away from the second box 14 is connected to a discharge pipe 17. The other end is connected to the bottom of the second cylinder 3, and the titanium dioxide in the second cylinder 3 enters the first box 13 through the discharge pipe 17. The top of the first box 13 is connected to a connecting pipe 19, and a filter screen 18 is installed on the inner wall of the connecting pipe 19. Titanium dioxide particles larger than the pores of the filter screen 18 are intercepted by the filter screen 18 and fall into the first box 13 under the influence of gravity. Titanium dioxide particles smaller than the pores of the filter screen 18 enter the connecting pipe 19. The other end of the connecting pipe 19 is connected to a cyclone separator 20, and the top of the cyclone separator 20 is connected to an exhaust port. Titanium dioxide particles enter the cyclone separator 2 0, it rotates along the inner wall, is thrown toward the inner wall and falls under the action of centrifugal force, and the air flow is discharged from the exhaust port. The bottom of the cyclone separator 20 is connected to the top of the second box body 14. When the titanium dioxide multi-stage grinding device is finished grinding, the titanium dioxide enters the first box body 13 through the discharge pipe 17. The titanium dioxide particles larger than the pores of the filter screen 18 are intercepted by the filter screen 18 and fall into the first box body 13 under the influence of gravity. The titanium dioxide particles smaller than the pores of the filter screen 18 enter the cyclone separator 20 through the connecting pipe 19 and fall into the second box body 14 through the cyclone separator 20.

[0025] In the specific implementation process, it is worth pointing out that after the titanium dioxide grinding device has finished grinding, the sorting device sorts the ground titanium dioxide. The first box 13 stores the coarser titanium dioxide, and the second box 14 stores the finer titanium dioxide. When the first box 13 is full, the staff opens the first sliding door 15 to store the titanium dioxide in the first box 13. When the second box 14 is full, the staff opens the second sliding door 16 to store the titanium dioxide in the second box 14. The titanium dioxide in the second cylinder 3 enters the first box 13 through the discharge pipe 17. The titanium dioxide particles larger than the pores of the filter 18 are intercepted by the filter 18 and fall into the first box 1 due to gravity. 3, titanium dioxide particles smaller than the pores of the filter 18 enter the connecting pipe 19, and the top of the cyclone separator 20 is connected to an exhaust port. After the titanium dioxide particles enter the cyclone separator 20, they rotate along the inner wall, and are thrown to the inner wall and fall down under the action of centrifugal force. The air flow is discharged from the exhaust port. When the titanium dioxide multi-stage grinding device is ground, the titanium dioxide enters the first box 13 through the discharge pipe 17. The titanium dioxide particles larger than the pores of the filter 18 are intercepted by the filter 18 and fall into the first box 13 under the influence of gravity. The titanium dioxide particles smaller than the pores of the filter 18 enter the cyclone separator 20 through the connecting pipe 19, and fall into the second box 14 through the cyclone separator 20, thereby realizing the separation of titanium dioxide;

[0026] Furthermore, one side of the filter screen 18 extends to the outside of the connecting pipe 19, and one end of the filter screen 18 extending to the outside of the connecting pipe 19 is fixedly connected to a block 21, and a sealing gasket is installed between the block 21 and the connecting pipe 19 to prevent the titanium dioxide from overflowing the connecting pipe 19. The block 21 is fixedly connected to a pull rod 22 on the side away from the filter screen 18, and a slider 23 is fixedly connected to the bottom of the pull rod 22. The outer wall of the slider 23 is slidably connected to a horizontal plate 24, and the horizontal plate 24 is fixedly connected to the side of the filter screen 18. Connected to the outer wall of the connecting pipe 19, the pull rod 22 drives the slider 23 to move in the slide groove in the inner wall of the horizontal plate 24. When the filter screen 18 is blocked by titanium dioxide particles, the staff pulls the pull rod 22 away from the connecting pipe 19, and the pull rod 22 drives the filter screen 18 to move away from the connecting pipe 19. The staff knocks the titanium dioxide particles in the pores of the filter screen 18 to fall off. After completion, the staff pushes the pull rod 22 toward the connecting pipe 19 to restore it to its initial position.

[0027] In the specific implementation process, it is worth pointing out that a sealing gasket is installed between the block 21 and the connecting pipe 19 to prevent titanium dioxide from overflowing the connecting pipe 19. The pull rod 22 drives the slider 23 to move in the slide groove in the inner wall of the horizontal plate 24. When the filter 18 is blocked by titanium dioxide particles, the staff pulls the pull rod 22 away from the connecting pipe 19, and the pull rod 22 drives the filter 18 to move away from the connecting pipe 19. The staff makes the titanium dioxide particles in the pores of the filter 18 fall by knocking. After completion, the staff pushes the pull rod 22 toward the connecting pipe 19 to restore it to its initial position, thereby cleaning the filter 18.

[0028] Specifically, when the titanium dioxide multi-stage grinding device is used, the staff first starts the motor 7, the motor 7 drives the support cylinder 10 to rotate, the support cylinder 10 drives the first cylinder 2 to rotate, and the first cylinder 2 drives the high-aluminum ceramic ball to do a throwing motion, so as to grind the titanium dioxide into fine powder. After completion, the motor 7 is turned off, and the fan 9 drives the support cylinder 10 to generate wind force to blow the titanium dioxide particles remaining in the first cylinder 2 into the second cylinder 3. After completion, the fan 9 is turned off, and the titanium dioxide enters the first box 13 through the discharge pipe 17. The titanium dioxide particles larger than the pores of the filter 18 are intercepted by the filter 18 and affected by gravity. Titanium dioxide particles that fall into the first box body 13 and are smaller than the pores of the filter screen 18 enter the cyclone separator 20 through the connecting pipe 19. When the filter screen 18 is blocked by the titanium dioxide particles, the staff pulls the pull rod 22 away from the connecting pipe 19. The pull rod 22 drives the filter screen 18 to move away from the connecting pipe 19. The staff makes the titanium dioxide particles in the pores of the filter screen 18 fall by knocking, etc. After completion, the staff pushes the pull rod 22 toward the connecting pipe 19 to restore it to its initial position. The finer titanium dioxide falls into the second box body 14 through the cyclone separator 20.

[0029] Embodiment 2, by Figure 1-4 It can be seen that the top of the base 1 is fixedly connected with a second support seat 25, the top of the second support seat 25 is rotatably connected to the first cylinder 2 through a ball bearing, and the second support seat 25 supports the first cylinder 2. The side of the second support seat 25 close to the first box body 13 is provided with a vertical plate 26 fixedly connected to the top of the base 1, and the side of the vertical plate 26 close to the first cylinder 2 is fixedly connected to the second cylinder 3, and the vertical plate 26 supports the second cylinder 3;

[0030] In the specific implementation process, it is worth pointing out that the second support seat 25 supports the first cylinder 2, and the vertical plate 26 supports the second cylinder 3, thereby achieving support for the first cylinder 2 and the second cylinder 3;

[0031] Furthermore, a third screen 29, a second screen 28 and a first screen 27 are fixedly connected in sequence on one side of the inner wall of the first cylinder 2 close to the support cylinder 10. The top of the first cylinder 2 is connected with a feed port 30 arranged between the third screen 29 and the support cylinder 10. The staff first pours titanium dioxide into the feed port 30, and the titanium dioxide enters the first cylinder 2 through the feed port 30. The high-aluminum ceramic balls inside the first cylinder 2 grind the titanium dioxide. Titanium dioxide smaller than the third screen 29 passes through the third screen 29 and is intercepted by the second screen 28. After further grinding, titanium dioxide smaller than the second screen 28 passes through the second screen 28 and is intercepted by the first screen 27. After further grinding, titanium dioxide smaller than the first screen 27 enters the second cylinder 3.

[0032] In the specific implementation process, it is worth pointing out that the staff first pours the titanium dioxide into the feed port 30, and the titanium dioxide enters the first cylinder 2 through the feed port 30. The high-aluminum ceramic balls inside the first cylinder 2 grind the titanium dioxide. The titanium dioxide smaller than the third screen 29 passes through the third screen 29 and is intercepted by the second screen 28. After further grinding, the titanium dioxide smaller than the second screen 28 passes through the second screen 28 and is intercepted by the first screen 27. After further grinding, the titanium dioxide smaller than the first screen 27 enters the second cylinder 3, realizing multi-stage grinding of titanium dioxide.

[0033] Specifically, the staff first pours the titanium dioxide into the feed port 30, and the titanium dioxide enters the first cylinder 2 through the feed port 30. The high-aluminum ceramic balls inside the first cylinder 2 grind the titanium dioxide. The titanium dioxide smaller than the third sieve 29 passes through the third sieve 29 and is intercepted by the second sieve 28. After further grinding, the titanium dioxide smaller than the second sieve 28 passes through the second sieve 28 and is intercepted by the first sieve 27. After further grinding, the titanium dioxide smaller than the first sieve 27 enters the second cylinder 3. The second support seat 25 supports the first cylinder 2, and the vertical plate 26 supports the second cylinder 3.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A titanium dioxide multi-stage grinding device, comprising a base (1), characterized in that: A first cylinder (2) is arranged above the base (1); one side of the first cylinder (2) is rotatably connected to the second cylinder (3); and a blowing device is arranged on a side of the first cylinder (2) away from the second cylinder (3); The blowing device comprises an inclined plate (4), a first support seat (5), a cover body (6), a motor (7), an air filter (8), a fan (9), a support cylinder (10), a belt (11) and a pulley (12); The inclined plate (4) is fixedly connected to a side of the top of the base (1) away from the second cylinder (3); the side of the inclined plate (4) away from the second cylinder (3) is fixedly connected to a first support seat (5); the top of the first support seat (5) is fixedly connected to a cover body (6); the side of the cover body (6) close to the second cylinder (3) is fixedly connected to the outer wall of the inclined plate (4); the inner wall of the cover body (6) is fixedly connected to a motor (7) via a motor sleeve; the top of the cover body (6) is fixedly connected to an air filter (8); the side of the air filter (8) close to the inclined plate (4) is fixedly connected to the outer wall of the inclined plate (4); A fan (9) is provided on the side and is fixedly connected to the top of the cover body (6); the input end of the fan (9) is connected to the air filter (8); the output end of the fan (9) passes through the inclined plate (4) and is rotatably connected to the support cylinder (10); the support cylinder (10) passes through the first cylinder (2) and is fixedly connected to the first cylinder (2); the output end of the motor (7) passes through the inclined plate (4); the output end of the motor (7) and the outer wall of the support cylinder (10) are both fixedly connected to a pulley (12); and the two pulleys (12) are connected by a belt (11) for transmission.

2. A titanium dioxide multi-stage grinding device according to claim 1, characterized in that: A sorting structure is provided on a side of the top of the base (1) away from the inclined plate (4); The sorting device comprises a first box body (13), a second box body (14), a first sliding door (15), a second sliding door (16), a discharge pipe (17), a filter screen (18), a connecting pipe (19) and a cyclone separator (20); The first box body (13) is fixedly connected to a side of the top of the base (1) away from the inclined plate (4); a second box body (14) fixedly connected to the top of the base (1) is provided on the side of the first box body (13) away from the inclined plate (4); a first sliding door (15) is hingedly connected to the front of the first box body (13) through a hinge; a second sliding door (16) is hingedly connected to the front of the second box body (14) through a hinge; a discharge pipe (17) is connected to the side of the first box body (13) away from the second box body (14); the other end of the discharge pipe (17) is connected to the bottom of the second cylinder (3); the top of the first box body (13) is connected to a connecting pipe (19); a filter screen (18) is installed on the inner wall of the connecting pipe (19); the other end of the connecting pipe (19) is connected to a cyclone separator (20); the bottom of the cyclone separator (20) is connected to the top of the second box body (14).

3. A titanium dioxide multi-stage grinding device according to claim 2, characterized in that: One side of the filter screen (18) extends to the outside of the connecting pipe (19), and one end of the filter screen (18) extending to the outside of the connecting pipe (19) is fixedly connected to a block (21), and the side of the block (21) away from the filter screen (18) is fixedly connected to a pull rod (22), and the bottom of the pull rod (22) is fixedly connected to a slider (23), and the outer wall of the slider (23) is slidably engaged with a transverse plate (24), and the side of the transverse plate (24) close to the filter screen (18) is fixedly connected to the outer wall of the connecting pipe (19).

4. A titanium dioxide multi-stage grinding device according to claim 2, characterized in that: A second support seat (25) is fixedly connected to the top of the base (1); the top of the second support seat (25) is rotatably connected to the first cylinder (2) via a ball bearing; a vertical plate (26) fixedly connected to the top of the base (1) is provided on a side of the second support seat (25) close to the first box (13); and a side of the vertical plate (26) close to the first cylinder (2) is fixedly connected to the second cylinder (3).

5. The titanium dioxide multi-stage grinding device according to claim 1, characterized in that: A third screen (29), a second screen (28) and a first screen (27) are fixedly connected in sequence to a side of the inner wall of the first cylinder (2) close to the support cylinder (10), and a feed port (30) arranged between the third screen (29) and the support cylinder (10) is communicated at the top of the first cylinder (2).

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