A raw material mixing pretreatment device for zirconia processing

Abstract

This invention discloses a raw material mixing and pretreatment device for zirconia processing, comprising an operating box, a crushing component, a screening component, and a mixing component. The crushing component includes a rotating drum, the outer side of which is fixedly connected to a mounting frame. The screening component includes a screening drum, the upper and lower sides of which are respectively connected to an upper hose and a lower hose. The mixing component includes a mixing drum, the interior of which is equipped with stirring blades. This invention breaks down agglomerated zirconia using the crushing component and utilizes the hollow of the rotating drum to eject hot air from the air cap, improving the dispersion and drying of the zirconia raw material. This prevents foaming caused by moisture within the zirconia during subsequent mixing. The rotating plate drives the connecting plate, causing the screening drum to vibrate. This, combined with the internal perforated plate, further mixes the zirconia powder before it is evenly fed into the mixing drum, avoiding poor solvent mixing due to a single addition of zirconia.

Description

Technical Field

[0001] This invention relates to the field of zirconium oxide processing mixing technology, specifically to a raw material mixing and pretreatment device for zirconium oxide processing. Background Technology

[0002] Zirconia ceramics are high-performance ceramic materials based on zirconium dioxide. They are typically white at room temperature and possess high melting points, high hardness, and excellent wear resistance and toughness. Zirconia can be used in bearings, cutting tools, solid oxide fuel cells, dental restorations, and artificial joints. Zirconia is processed as a powder, but zirconium oxide nanoparticles are prone to forming hard agglomerates. This results in poor uniformity of the slurry formed by mixing zirconium oxide with solvents and other ingredients, affecting the quality of subsequent products.

[0003] During the mixing and processing of zirconia powder raw materials, it was found that there were many lumps in the raw materials, which affected the uniformity of subsequent mixing and could not ensure the homogeneous distribution of zirconia powder particles. This caused them to easily agglomerate during subsequent solvent mixing, affecting the performance of the final product. Summary of the Invention

[0004] The purpose of this invention is to provide a raw material mixing and pretreatment apparatus for zirconium oxide processing, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a raw material mixing and pretreatment device for zirconium oxide processing, comprising an operation box, a crushing component, a screening component, and a mixing component, characterized in that: a rotating drum is installed inside the operation box, a cyclone separator is provided on one side of the operation box, a screening drum is provided at the bottom of the cyclone separator, and a mixing drum is provided below the screening drum. The crushing assembly includes a rotating drum, the outer side of which is fixedly connected to a mounting frame. A crushing head is mounted on the mounting frame, and several air hoods are provided on the outer side of the rotating drum. The screening assembly includes a screening cylinder, with its upper and lower sides connected to an upper flexible hose and a lower flexible hose, respectively. Multiple perforated plates are installed inside the screening cylinder, and the bottom of the screening cylinder is connected to a mixing cylinder via a lower flexible hose. The mixing assembly includes a mixing cylinder with a sleeve installed on it. The inside of the sleeve is rotatably connected to a rotating shaft, and the outside of the sleeve is fixedly connected to a stirring blade. The outside of the rotating shaft is fixedly connected to a mating blade.

[0006] Preferably, a drive motor is fixedly installed on the side of the control box, the output end of the drive motor extends into the inside of the control box and is fixedly connected to the rotating drum, the other end of the rotating drum is rotatably engaged with the air pipe, and a hot air blower is provided on the outside of the control box, the output end of the hot air blower is fixedly connected to the air pipe.

[0007] Preferably, the inside of the rotating drum is hollow and communicates with multiple feed hoppers. The mounting frame and crushing head are arranged in a circumferential array on the outside of the rotating drum, and the mounting frame and crushing head are arranged alternately.

[0008] Preferably, a feed hopper is fixedly installed on the outside of the control box, and a conveying pump is installed on the control box. The feed hopper and the conveying pump are located on both sides of the control box, and the output end of the conveying pump is fixedly connected to the conveying pipe.

[0009] Preferably, one end of the conveying pipe is fixedly connected to the cyclone separator, the conveying pipe is arranged along the tangent direction of the cyclone separator, the bottom of the cyclone separator is tapered, the top of the cyclone separator is equipped with an air outlet for exhaust, the cyclone separator is connected and fixed to the workbench through a fixing frame, and the bottom of the cyclone separator is fixedly connected to the upper flexible hose.

[0010] Preferably, the bottom of the upper flexible hose is fixedly connected to the screening cylinder, both the upper and lower flexible hoses have flexible telescopic function, the screening cylinder is equipped with a screening motor, and the output end of the screening motor is fixedly connected to the rotating plate.

[0011] Preferably, the rotating plate is hinged to one end of the connecting plate, and the connecting plate is rotatably connected to the top of the screening cylinder.

[0012] Preferably, the outer side of the sleeve is fixedly connected to the lower gear, the sleeve is rotatably engaged with the outer side of the rotating shaft through a sealed bearing, the outer side of the rotating shaft is fixedly connected to the mating blade, the outer side of the rotating shaft is fixedly connected to the upper gear, the lower gear and the upper gear are distributed on the upper and lower sides of the drive gear, both the lower gear and the upper gear are bevel gears, and the drive gear meshes with both the lower gear and the upper gear simultaneously.

[0013] Preferably, the rotating shaft is hollow inside, and both ends of the rotating shaft are connected to circulating water pipes, with a constant temperature solution inside the circulating water pipes.

[0014] Compared with the prior art, the beneficial effects of the present invention are: 1. This invention uses a crushing component to make the drum drive the crushing head to rotate and crush and grind the agglomerated zirconium oxide inside the operating box, so as to avoid the agglomerated zirconium oxide affecting the subsequent mixing effect. By using the hollow setting of the drum in conjunction with a hot air blower, hot air can be sprayed out from the air cap on the outside of the drum, which improves the dispersion of zirconium oxide raw materials, enhances the uniformity effect, and dries the zirconium oxide at the same time, so as to prevent the moisture in the zirconium oxide from causing foaming during the subsequent mixing process.

[0015] 2. This invention also features a feed hopper and a conveying pump at both ends of the control box, which can crush the zirconia raw material while preventing clumps of zirconia from entering through the connecting pipe, ensuring the particle distribution of the zirconia raw material. Combined with a cyclone separator, it can collect zirconia from the air at the bottom. The structure is simple and the design is reasonable. 3. The present invention also uses a homogenization component to make the rotating plate drive the connecting plate to make the screening cylinder vibrate, which, together with the internal perforated plate, allows the zirconium oxide powder to be further mixed and evenly fed into the mixing cylinder, avoiding the situation where the solvent mixing effect is poor due to the one-time addition of zirconium oxide.

[0016] 4. The present invention also drives the lower gear and the upper gear to rotate in opposite directions by driving the gear, thereby driving the sleeve and the shaft to rotate in opposite directions. The reverse rotation of the stirring blade and the mating blade enhances the shear force of the zirconium oxide mixture, effectively reducing the agglomeration of zirconium oxide. At the same time, the stirring blade can scrape off and clean the zirconium oxide adhering to the inner wall of the mixing cylinder, improving the uniformity of the zirconium oxide mixture.

[0017] 5. The present invention also allows a constant-temperature liquid to be introduced into the rotating shaft through a circulating water pipe, so that the zirconium oxide is kept at a constant temperature during the stirring and mixing process, avoiding the influence of low temperature on solvent activity and avoiding the evaporation of solvent and particle agglomeration caused by high temperature. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the main structural connections of the present invention; Figure 3 This is a cross-sectional view of the internal structure of the control box of the present invention; Figure 4 This is an enlarged schematic diagram of part of the rotating drum structure of the present invention; Figure 5 This is a schematic diagram of the cyclone separator and screening cylinder structure of the present invention; Figure 6 This is a schematic diagram of the internal structure connection of the screening cylinder of the present invention; Figure 7 This is a cross-sectional view of the internal structure of the mixing cylinder of the present invention. Figure 8 This is a schematic diagram of the connection between the sleeve and the rotating shaft structure of the present invention.

[0019] In the diagram: 1. Control box; 2. Workbench; 3. Rotary drum; 4. Drive motor; 5. Mounting frame; 6. Crushing head; 7. Air pipe; 8. Hot air blower; 9. Air cap; 10. Feed hopper; 11. Conveying pump; 12. Conveying pipe; 13. Cyclone separator; 14. Air outlet; 15. Upper hose; 16. Screening drum; 17. Lower hose; 18. Perforated plate; 19. Screening motor; 20. Rotating plate; 21. Connecting plate; 22. Mixing drum; 23. Sleeve; 24. Agitator blades; 25. Rotating shaft; 26. Circulating water pipe; 27. Matching blades; 28. Lower gear; 29. ​​Upper gear; 30. Agitator motor; 31. Drive gear. Detailed Implementation

[0020] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0021] Please see Figure 1 and Figure 2 This invention provides a technical solution: a raw material mixing and pretreatment device for zirconium oxide processing, comprising an operation box 1, a workbench 2 disposed on the outside of the operation box 1, the bottom of the operation box 1 being welded and fixed to the surface of the workbench 2, a guardrail disposed on the outside of the workbench 2, the operation box 1 being connected to a cyclone separator 13 via a conveying pipe 12, the bottom of the cyclone separator 13 passing through the workbench 2 and connected to a screening cylinder 16, and a mixing cylinder 22 disposed at the bottom of the screening cylinder 16. Please see Figure 3 and Figure 4 The operating box 1 contains a rotating cylinder 3. The side of the operating box 1 is bolted to a drive motor 4. The output end of the drive motor 4 is connected to one end of the rotating cylinder 3 via a shaft. The operating box 1 has a cylindrical inner cavity, with the rotating cylinder 3 located at its center. The other end of the rotating cylinder 3 is connected to an air pipe 7. One end of the air pipe 7 is rotatably engaged with the rotating cylinder 3 via a sealed bearing. The rotating cylinder 3 is hollow and communicates with the air pipe 7. A hot air blower 8 is fixedly installed on the workbench 2, with its output end connected to the air pipe 7. Hot air is then forced through the air pipe 7 into the rotating cylinder 3 via the hot air blower 8. The outer side of the rotating drum 3 is fixedly connected to several mounting brackets 5. The sides of the mounting brackets 5 are fixedly connected to a connecting shaft. A crushing head 6 is sleeved on the outer side of the connecting shaft. The crushing head 6 rotates in conjunction with the mounting brackets 5 via the connecting shaft, which in turn drives the rotating drum 3 to rotate via the drive motor 4. The mounting brackets 5 drive the crushing head 6 to rotate, thus crushing the zirconium oxide inside the operating box 1. Since the crushing head 6 can rotate outside the connecting shaft, hard contact between the crushing head 6 and the inner wall of the operating box 1 is avoided, effectively extending the service life of the operating box 1 and the crushing head 6. The mounting brackets 5 and the crushing head 6 effectively enhance the crushing and dispersing effect on the zirconium oxide. Several air hoods 9 are installed on the outside of the drive motor 4. The hot air from the air pipe 7 can be discharged through the air hoods 9, which can blow away the zirconium oxide inside the control box 1, thereby drying the dispersed zirconium oxide and preventing the moisture inside the zirconium oxide from affecting the subsequent mixing effect. The design of the air hoods 9 prevents zirconium oxide particles from entering the inside of the rotating drum 3, thus realizing the crushing and drying of zirconium oxide agglomerates. Meanwhile, a feed hopper 10 is installed on the outside of the control box 1, and a conveying pump 11 is installed on the top of the control box 1. The feed hopper 10 and the conveying pump 11 are located on both sides of the control box 1, thus effectively reducing the rapid discharge of zirconium oxide fed into the feed hopper 10 from the conveying pump 11. This arrangement can effectively extend the crushing and dispersing time of the zirconium oxide raw material. At the same time, the flow rate can be adjusted by regulating the pressure above and below the rotating drum 3 using the hot air fan 8 and the conveying pump 11. An explosion-proof vent is also provided on the outside of the control box 1 to enhance the explosion-proof effect inside the control box 1. Please see Figure 5 The output end of the conveying pump 11 is fixedly connected to the conveying pipe 12. One end of the conveying pipe 12 is fixedly connected to the cyclone separator 13. The conveying pipe 12 is arranged tangentially to the cyclone separator 13 to ensure that the air entering through the conveying pipe 12 spirals along the inner wall of the cyclone separator 13. Due to the conical shape at the bottom of the cyclone separator 13, the zirconium oxide particles in the air can settle and be collected at the bottom of the cyclone separator 13. An air outlet 14 is fixedly installed at the top of the cyclone separator 13 to facilitate air discharge and collection of zirconium oxide particles at the bottom. The air then enters the screening cylinder 16 through the upper flexible hose 15. The cyclone separator 13 can then collect the zirconium oxide particles. The structure is simple. Please see Figure 6The bottom end of the upper flexible hose 15 is fixedly connected to the screening cylinder 16, and the bottom of the screening cylinder 16 is fixedly connected to the lower flexible hose 17. Both the screening cylinder 16 and the lower flexible hose 17 have telescopic functions. The screening cylinder 16 and the lower flexible hose 17 are made of rubber. Several perforated plates 18 are arranged inside the screening cylinder 16. The perforated plates 18 are configured with different mesh sizes according to actual needs. An outlet is provided on the side of the screening cylinder 16 for recycling the raw materials filtered out by the perforated plates 18, ensuring that zirconium oxide particles of the corresponding diameter are screened out inside the screening cylinder 16. A screening motor 19 is installed at the top of the screening cylinder 16. The output end of the screening motor 19 is fixedly connected to the rotating plate 20. One end of the rotating plate 20 is hinged to the connecting plate 21 via a hinge shaft, and the other end of the connecting plate 21 is fixedly connected to the screening cylinder 16 via a shaft. The screening motor 19 drives the rotating plate 20 to rotate, which in turn drives the connecting plate 21 to move synchronously, realizing the reciprocating movement (vibration) of the screening cylinder 16. This enhances the screening efficiency of the perforated plate 18 for zirconium oxide particles, while ensuring that the zirconium oxide particles are uniformly and continuously discharged into the mixing cylinder 22 from the lower flexible tube 17. Please see Figure 7 and Figure 8 The bottom of the lower hose 17 is connected and fixed to the mixing cylinder 22. The mixing cylinder 22 is rotatably engaged with the outer side of the sleeve 23. The inner side of the sleeve 23 is rotatably engaged with the rotating shaft 25. The outer side of the sleeve 23 is fixedly connected to the stirring blade 24. The outer side of the stirring blade 24 is fixedly connected to several mating teeth. The stirring blade 24 and the mating blade 27 are sequentially meshed. The outer side of the sleeve 23 is fixedly connected to the mating blade 27. The rotating shaft 25 is hollow inside. Both ends of the rotating shaft 25 are fixedly connected to the circulating water pipe 26. The circulating water pipe 26 is connected to the inside of the rotating shaft 25 and is connected to the stirring motor 30. The drive gear 31 causes the lower gear 28 and upper gear 29 to rotate. Since the lower gear 28 and upper gear 29 are located on opposite sides of the drive gear 31, they rotate in opposite directions, causing the sleeve 23 and the rotating shaft 25 to rotate in opposite directions. This effectively mixes the zirconia in the mixing cylinder 22 by rotating the stirring blades 24 and the mating blades 27. Because the stirring blades 24 and the mating blades 27 mesh together, their opposite rotation effectively enhances the shearing effect on the zirconia. Working principle: During operation, the operator feeds the zirconium oxide raw material into the feed hopper 10. The drive motor 4 then rotates the drum 3, which in turn rotates the mounting frame 5 and the crushing head 6. The crushing head 6 breaks up the agglomerated zirconium oxide inside the control box 1. Hot air is then introduced into the drum 3 through the air pipe 7 by the hot air blower 8 and ejected through the air cap 9 on the outside of the drum 3, further dispersing the zirconium oxide inside the control box 1 and preventing further agglomeration. Simultaneously, the broken and dispersed zirconium oxide is dried. Meanwhile, the conveying pump 11 pumps the zirconium oxide powder particles carried in the air into the cyclone separator 13. Zirconia particles in the air are separated by a cyclone separator 13 and collected at the bottom of the separator. They then enter the screening cylinder 16 through the upper flexible hose 15 at the bottom of the cyclone separator 13. A screening motor 19 rotates a rotating plate 20, and a connecting plate 21 converts the circumferential rotation of the plate 20 into the reciprocating movement of the screening cylinder 16, creating a vibration effect. This vibration promotes the screening of the zirconia particles on the porous plate 18, allowing them to be orderly discharged from the lower flexible hose 17 into the mixing cylinder 22. This prevents the zirconia from being discharged all at once, which would result in low mixing efficiency and clumping in the mixing cylinder 22. The stirring motor 30 drives the drive gear 31 to rotate the lower gear 28 and the upper gear 29. Since the lower gear 28 and the upper gear 29 are located on both sides of the drive gear 31, they can rotate in opposite directions, causing the sleeve 23 and the rotating shaft 25 to rotate in opposite directions. This effectively mixes the zirconium oxide in the mixing cylinder 22 by rotating the stirring blades 24 and the mating blades 27. The meshing of the stirring blades 24 and the mating blades 27 enhances the shearing effect on the zirconium oxide by rotating in opposite directions. At the same time, the rotation of the stirring blades 24 can clean the zirconium oxide adhering to the inner wall of the mixing cylinder 22, preventing it from becoming difficult to clean. The circulating water pipe 26 and the hollow structure inside the rotating shaft 25 enable the circulation of liquid. The circulating water pipe 26 provides a constant temperature liquid, keeping the temperature of the zirconium oxide inside the mixing cylinder 22 stable during the mixing process and preventing the quality of the zirconium oxide mixture from decreasing due to temperature changes.

[0022] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0023] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A raw material mixing and pretreatment device for zirconium oxide processing, comprising an operation box (1), a crushing component, a screening component, and a mixing component, characterized in that: The operating box (1) is equipped with a rotating drum (3), and a cyclone separator (13) is provided on one side of the operating box (1). A screening cylinder (16) is provided at the bottom of the cyclone separator (13), and a mixing cylinder (22) is provided below the screening cylinder (16). The crushing assembly includes a rotating drum (3), the outer side of which is fixedly connected to a mounting frame (5), a crushing head (6) is mounted on the mounting frame (5), and several air caps (9) are opened on the outer side of the rotating drum (3). The screening assembly includes a screening cylinder (16), the upper and lower sides of which are connected to an upper hose (15) and a lower hose (17) respectively. Multiple perforated plates (18) are installed inside the screening cylinder (16), and the bottom of the screening cylinder (16) is connected to a mixing cylinder (22) via the lower hose (17). The mixing assembly includes a mixing cylinder (22), on which a sleeve (23) is installed. The inside of the sleeve (23) is rotatably engaged with a rotating shaft (25). The outside of the sleeve (23) is fixedly connected to a stirring blade (24). The outside of the rotating shaft (25) is fixedly connected to a mating blade (27).

2. The raw material mixing and pretreatment device for zirconium oxide processing according to claim 1, characterized in that: A drive motor (4) is fixedly installed on the side of the operation box (1). The output end of the drive motor (4) extends into the operation box (1) and is fixedly connected to the rotating drum (3). The other end of the rotating drum (3) is rotatably connected to the air pipe (7). A hot air blower (8) is provided on the outside of the operation box (1). The output end of the hot air blower (8) is fixedly connected to the air pipe (7).

3. The raw material mixing and pretreatment device for zirconium oxide processing according to claim 2, characterized in that: The inside of the rotating drum (3) is hollow and connected to multiple feed hoppers (10). The mounting frame (5) and the crushing head (6) are arranged in a circular array on the outside of the rotating drum (3). The mounting frame (5) and the crushing head (6) are arranged alternately.

4. The raw material mixing and pretreatment device for zirconium oxide processing according to claim 2, characterized in that: A feed hopper (10) is fixedly installed on the outside of the operation box (1), and a conveying pump (11) is installed on the operation box (1). The feed hopper (10) and the conveying pump (11) are located on both sides of the operation box (1), and the output end of the conveying pump (11) is connected and fixed to the conveying pipe (12).

5. The raw material mixing and pretreatment apparatus for zirconium oxide processing according to claim 4, characterized in that: One end of the conveying pipe (12) is fixedly connected to the cyclone separator (13). The conveying pipe (12) is set along the tangent direction of the cyclone separator (13). The bottom of the cyclone separator (13) is set in a cone shape. An air outlet (14) for exhaust is installed on the top of the cyclone separator (13). The cyclone separator (13) is connected and fixed to the workbench (2) through a fixing frame. The bottom of the cyclone separator (13) is fixedly connected to the upper hose (15).

6. The raw material mixing and pretreatment apparatus for zirconium oxide processing according to claim 5, characterized in that: The bottom of the upper hose (15) is connected and fixed to the screening cylinder (16). Both the upper hose (15) and the lower hose (17) have flexible telescopic function. A screening motor (19) is provided on the screening cylinder (16). The output end of the screening motor (19) is fixedly connected to the rotating plate (20).

7. The raw material mixing and pretreatment apparatus for zirconium oxide processing according to claim 6, characterized in that: The rotating plate (20) is hinged to one end of the connecting plate (21), and the connecting plate (21) is rotatably connected to the top of the screening cylinder (16).

8. The raw material mixing and pretreatment apparatus for zirconium oxide processing according to claim 1, characterized in that: The sleeve (23) is fixedly connected to the lower gear (28) on the outside. The sleeve (23) is rotatably connected to the outer side of the rotating shaft (25) through a sealed bearing. The outer side of the rotating shaft (25) is fixedly connected to the mating blade (27). The outer side of the rotating shaft (25) is fixedly connected to the upper gear (29). The lower gear (28) and the upper gear (29) are distributed on the upper and lower sides of the drive gear (31). The lower gear (28) and the upper gear (29) are both bevel gears. The drive gear (31) meshes with both the lower gear (28) and the upper gear (29).

9. The raw material mixing and pretreatment apparatus for zirconium oxide processing according to claim 8, characterized in that: The rotating shaft (25) is hollow inside, and both ends of the rotating shaft (25) are connected to the circulating water pipe (26), and the circulating water pipe (26) is filled with a constant temperature solution.

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