Preparation device and preparation method of nano cerium oxide material

Abstract

The invention discloses a nano cerium oxide material preparation device and a preparation method thereof.The nano cerium oxide material preparation device comprises a shell, a grinding mechanism is arranged on the shell and comprises a reversing mechanism, a base plate, a middle cone, a partition plate, a coarse adjustment pipe, a top plate, a positioning mechanism, a fine adjustment pipe, an inner rod, a follow-up block, a compression spring and a friction plate, the reversing mechanism is mounted on the shell, and the base plate is mounted on the base plate; the base plate is rotationally connected into the shell, the multiple partition plates are installed on the inner wall of the shell at equal intervals, the middle cone is rotationally connected into the multiple partition plates, the grinding mechanism provides a grinding space through a basic structure of the shell and the base plate, and the double-layer grinding function is achieved through combination of the middle cone and the partition plates. The grinding stability of the upper layer is ensured through the design of the coarse adjusting pipe and the top disc, the precise adjusting function is achieved through the cooperation of the fine adjusting pipe and the inner rod, the dynamic balance of pressure is ensured through the combination of the follow-up block and the pressure spring, and the grinding structure remarkably improves the preparation efficiency and quality of the nano cerium oxide material.

Description

Technical Field

[0001] The invention relates to the technical field of cerium oxide preparation, and more specifically, to a preparation device and a preparation method of a nano cerium oxide material. Background Art

[0002] In the current field of nanomaterial preparation, traditional cerium oxide material grinding equipment has significant technical limitations. Due to the limitations of the equipment structure design, the grinding process can only be carried out on one side, and repeated grinding is required to meet the requirements. This one-sided grinding method not only prolongs the processing time, but also easily causes uneven material grinding. Especially when processing large quantities of nano cerium oxide materials, this inefficient grinding method seriously affects production efficiency, while also increasing the workload of operators and reducing product quality stability.

[0003] More importantly, the existing grinding devices lack an accurate pressure regulation mechanism and are unable to flexibly adjust the grinding force according to the characteristics of different batches of materials. The lack of this regulation function makes it impossible to accurately control the fineness and uniformity of the material during the grinding process. Sometimes, excessive pressure may damage the material structure, while too little pressure cannot achieve the expected grinding effect. Especially in the preparation of precision nanomaterials, the uncertainty of this grinding pressure control directly affects the performance and quality of the final product, and has become an important bottleneck restricting the quality and efficiency improvement of nano-cerium oxide material preparation.

[0004] Due to the single-side grinding working mode of traditional grinding devices, the same batch of materials needs to be repeatedly adjusted and ground multiple times. This discontinuous processing method greatly prolongs the processing time, causing the equipment to maintain power output during ineffective operation, thereby further increasing energy consumption. Summary of the invention

[0005] 1. Technical issues to be solved

[0006] In view of the problems existing in the prior art, the present invention provides a device for preparing a nano cerium oxide material and a method for preparing the same, so as to solve the technical problems mentioned in the background technology.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the present invention provides the following technical scheme: a preparation device of nano cerium oxide material, comprising a shell, a grinding mechanism is arranged on the shell, the grinding mechanism comprises a reversing mechanism, a bottom plate, an intermediate cone, a spacer, a coarse adjustment tube, a top plate, a positioning mechanism, a fine adjustment tube, an internal rod, a follower block, a compression spring and a friction plate, the reversing mechanism is installed on the shell, the bottom plate is rotatably connected in the shell, a plurality of the spacers are equidistantly installed on the inner wall of the shell, the middle cone is rotatably connected in the plurality of the spacers, the coarse adjustment tube is threadedly connected to the shell, the top plate is coaxially installed on the coarse adjustment tube, the positioning mechanism is installed on the shell, the fine adjustment tube is fixedly installed on the middle cone, the internal rod is slidably connected in the fine adjustment tube, a plurality of inclined grooves are equidistantly and symmetrically opened on the inner wall of the fine adjustment tube, the plurality of inclined grooves are symmetrically and slidably connected to the follower block, a compression spring is installed on the follower block, a friction plate is installed on the compression spring, the friction plate is attached to the side wall of the internal rod, and a top plate is provided on the coarse adjustment tube.

[0009] Preferably, an embedded groove is coaxially provided on the side wall of the fine adjustment tube, a rotating sleeve is rotatably provided in the embedded groove, two unidirectional bars are symmetrically provided on the inner wall of the rotating sleeve, the two unidirectional bars are arranged in the same direction, the unidirectional bars are meshed on the side wall of the follower block, the angle of the inner wall of the rotating sleeve is the same as the angle of the inclined groove, the embedded groove provides a rotation space for the rotating sleeve, and at the same time limits its axial displacement, the rotation of the rotating sleeve drives the unidirectional bars to realize synchronous transmission, the meshing connection between the unidirectional bars and the follower block ensures the synchronous movement of the upper and lower follower blocks, and the angle of the inner wall of the rotating sleeve is the same as the angle of the inclined groove, the stability and accuracy of the follower block during movement are ensured.

[0010] Preferably, telescopic holes are opened in the plurality of follower blocks, and each friction plate is provided with a telescopic rod, which is slidably connected in the telescopic hole. By opening the telescopic hole in the follower block and cooperating with the sliding connection of the telescopic rod, the elastic fit of the friction plate is achieved. This design not only ensures the stability of the friction force, but also can adapt to the synchronous displacement of the friction plate and the follower block during the movement, thereby improving the overall operation stability.

[0011] Preferably, a discharge port is provided on the side wall of the shell, a feed port is coaxially provided on the coarse adjustment tube, a tray is provided inside the shell, and a plurality of toggle plates are provided on the chassis. By arranging the discharge port on the side wall of the shell and the feed port on the coarse adjustment tube, a complete material conveying channel is formed. The arrangement of the tray provides support for material collection, and the design of the plurality of toggle plates ensures that the material can be conveyed to the discharge port, thereby improving the efficiency of material conveying.

[0012] Preferably, the positioning mechanism includes a bottom plate, an intermediate spring, a fixed plate and a push spring, the bottom plate is fixedly mounted on the side wall of the shell, the fixed plate is slidably connected to the shell, both ends of the push spring are respectively connected to the bottom plate and the fixed plate, an intermediate spring is installed on the upper end surface of the shell, the intermediate spring is in contact with the top plate, the bottom plate provides a solid foundation for the entire positioning structure, the dual elastic support of the intermediate spring and the push spring realizes dynamic balance, the sliding connection of the fixed plate ensures the flexibility of adjustment, and the whole constitutes an adaptive positioning system.

[0013] Preferably, a plurality of fixing rods are equidistantly provided on the fixing disk, the fixing rods are slidably connected in the shell, and the fixing rods are inserted into the top disk. By equidistantly providing a plurality of fixing rods on the fixing disk and forming a sliding connection with the shell, multi-point positioning support is achieved, and the design of the fixing rods inserted into the top disk provides reliable axial positioning, thereby ensuring the stability of the entire system during operation.

[0014] Preferably, the reversing mechanism includes a transmission box, a forward rotation sleeve and a reverse rotation sleeve, the transmission box is mounted on the shell, the forward rotation sleeve is rotatably connected in the transmission box, the reverse rotation sleeve is rotatably connected in the forward rotation sleeve, the forward rotation sleeve is fixedly connected to the chassis, and the internal rod is connected to the reverse rotation sleeve. The transmission box provides a closed operating space for the entire reversing mechanism, the double-layer rotation structure of the forward rotation sleeve and the reverse rotation sleeve realizes the basis of reverse transmission, and the fixed connection between the forward rotation sleeve and the chassis ensures the reliability of power transmission.

[0015] Preferably, an insertion rod is provided on the reversing sleeve, the insertion rod and the internal rod are coaxially arranged, an insertion groove is coaxially opened in the middle cone, and the insertion rod is connected in the insertion groove. Through the coaxial design of the insertion rod and the insertion groove, precise alignment of power transmission is achieved, while ensuring coaxiality during rotation, thereby improving the stability and reliability of transmission.

[0016] Preferably, the forward rotation sleeve and the reverse rotation sleeve are respectively provided with gear plates, a motor is provided on the side wall of the transmission box, an intermediate wheel is provided on the protruding end of the motor, the intermediate wheels are respectively engaged with the gear plates at the upper and lower ends, the reverse rotation sleeve is rotatably connected to the inside of the forward rotation sleeve, the forward rotation sleeve is rotatably connected to the tray, an internal spring is sleeved on the internal rod, the two ends of the internal spring respectively abut against the insertion rod and the intermediate cone, the intermediate wheel is driven by the motor, and the forward and reverse power are distributed through the meshing transmission of the gear plates, the double-layer rotating connection design ensures the smoothness of the transmission, and the support of the tray provides a stable operation basis.

[0017] The present invention provides a method for preparing a nano cerium oxide material preparation device, comprising the following steps:

[0018] Step 1: Preliminary grinding: The raw material enters from the feed port, and the motor drives the middle cone and the bottom plate to rotate in opposite directions. The raw material enters between the fixed top plate and the rotating middle cone, and the preliminary grinding is completed by the rotation of the middle cone;

[0019] Step 2: Fine grinding: The raw materials after preliminary grinding flow into the space between the middle cone and the bottom plate through multiple partition plates. Under the effect of the reverse rotation of the two and the axial limit of the bottom plate by the shell, the raw materials are further finely ground to improve the grinding effect;

[0020] Step 3: Discharge the finished product: The finely ground raw materials enter the tray through the chassis. The rotation of the chassis drives multiple paddles to rotate, and the finely ground raw materials are discharged through the discharge port, completing the grinding process.

[0021] (III) Beneficial effects

[0022] Compared with the prior art, the present invention provides a device and method for preparing nano cerium oxide material, which have the following beneficial effects:

[0023] The grinding mechanism provides grinding space through the basic structure of the shell and the chassis. The combination of the middle cone and the spacer plate realizes the double-layer grinding function. The design of the coarse adjustment tube and the top plate ensures the stability of the upper grinding. The cooperation of the fine adjustment tube and the internal rod realizes the precise adjustment function. The combination of the follower block and the compression spring ensures the dynamic balance of the pressure. The setting of the friction plate provides a stable grinding force. The design of the inclined groove and the same direction bar realizes synchronous adjustment. The cooperation of the embedded groove and the rotating sleeve ensures the accuracy of the adjustment. The combination of the telescopic rod and the telescopic hole ensures the flexibility of movement. The setting of the discharge port and the feed port ensures the continuous transportation of the material. The tray and the toggle plate The combination realizes the smooth discharge of materials. This grinding structure significantly improves the efficiency and quality of the preparation of nano-cerium oxide materials. The positioning mechanism adopts the ingenious combination of the bottom plate and the fixed plate. The design of the middle spring and the push spring realizes elastic support. The setting of the fixed rod provides a reliable positioning guarantee. This multiple positioning system significantly improves the position adjustment of the coarse adjustment tube during the grinding process. The reversing mechanism realizes reverse power output through the transmission coordination of the transmission box and the forward and reverse sleeve. The design of the gear plate and the intermediate wheel realizes reverse power output. The combination of the insertion rod and the insertion groove provides a stable transmission connection. The design of this reversal system ensures the two-way uniformity and efficiency of the grinding process.

[0024] The device is designed with three core mechanisms: the grinding mechanism realizes double-layer precision grinding and precise adjustment, the positioning mechanism provides stable position control, and the reversing mechanism ensures bidirectional rotation of grinding. Among them, the grinding mechanism effectively solves the problems of one-way grinding and inconvenient adjustment of traditional equipment through double-layer grinding and dynamic pressure balance design; the positioning mechanism adopts the elastic positioning principle to achieve precise control of the grinding position; the reversing mechanism ensures bidirectional transmission of the grinding process by optimizing the transmission structure. This innovative design not only significantly improves the preparation quality of nano-cerium oxide materials, but also solves the problem of low efficiency of traditional equipment in the grinding process. The use of double-sided or multi-dimensional grinding structure can reduce the need for repeated adjustment and multiple grinding of materials, thereby shortening the single batch processing time. Under a more efficient working mode, the production volume completed per unit time will increase significantly, further improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of a preparation device of a nano cerium oxide material in the present invention;

[0026] Figure 2 It is a schematic cross-sectional structure diagram of the feed port and the intermediate shaft in the present invention;

[0027] Figure 3 For the present invention Figure 1 A schematic cross-sectional structure diagram of ;

[0028] Figure 4 It is a schematic diagram of the structure of the fixing plate and the fixing rod in the present invention;

[0029] Figure 5 It is a schematic diagram of the structure of the middle cone in the present invention;

[0030] Figure 6 It is a structural schematic diagram of the chassis in the present invention;

[0031] Figure 7 It is a cross-sectional structural schematic diagram of the transmission box in the present invention;

[0032] Figure 8 It is a structural schematic diagram of the feed port in the present invention;

[0033] Fig. 9 It is a schematic diagram of the structure of the fine adjustment tube in the present invention;

[0034] Fig.10 It is a cross-sectional structural schematic diagram of the fine adjustment tube and the rotating sleeve in the present invention;

[0035] Fig.11 It is a schematic cross-sectional structure diagram of the fine adjustment tube in the present invention;

[0036] Fig.12 It is a cross-sectional structural schematic diagram of the rotating sleeve in the present invention;

[0037] Fig.13 It is a schematic cross-sectional structural diagram of the shell in the present invention.

[0038] In the figure: 1. shell; 2. chassis; 3. middle cone; 4. spacer plate; 5. coarse adjustment tube; 6. top plate; 7. fine adjustment tube; 8. internal rod; 9. follower block; 10. compression spring; 11. friction plate; 12. inclined groove; 13. embedded groove; 14. rotating sleeve; 15. same direction bar; 16. telescopic hole; 17. telescopic rod; 18. discharge port; 19. feed port; 20. tray; 21. toggle plate; 22. bottom plate; 23. middle spring; 24. fixed plate; 25. push spring; 26. fixed rod; 27. transmission box; 28. forward sleeve; 29. ​​reverse sleeve; 30. insertion rod; 31. insertion groove; 32. gear plate; 33. motor; 34. intermediate wheel; 35. internal spring; 101. top plate. DETAILED DESCRIPTION

[0039] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application may be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0040] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0041] In the present invention, unless otherwise specified, the directions used, such as "up" and "down", usually refer to the directions shown in the drawings, or to the vertical, perpendicular or gravity directions; similarly, for ease of understanding and description, "left" and "right" usually refer to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0042] See also Figures 1 to 3 and Figures 9 to 13A preparation device for nano cerium oxide material comprises a shell 1, on which a grinding mechanism is arranged, the grinding mechanism comprises a reversing mechanism, a bottom plate 2, an intermediate cone 3, a spacer plate 4, a coarse adjustment tube 5, a top plate 6, a positioning mechanism, a fine adjustment tube 7, an inner rod 8, a follower block 9, a compression spring 10 and a friction plate 11, the reversing mechanism is mounted on the shell 1, the bottom plate 2 is rotatably connected in the shell 1, a plurality of spacer plates 4 are equidistantly mounted on the inner wall of the shell 1, the intermediate cone 3 is rotatably connected in the plurality of spacer plates 4, the coarse adjustment tube 5 is threadedly connected to the shell 1, the top plate 6 is coaxially mounted on the coarse adjustment tube 5, the positioning mechanism is mounted on the shell 1, the fine adjustment tube 7 is fixedly mounted on the intermediate cone 3, the inner rod 8 is slidably connected in the fine adjustment tube 7, a plurality of inclined grooves 12 are symmetrically opened on the inner wall of the fine adjustment tube 7, and the follower block 9 is symmetrically slidably connected in the plurality of inclined grooves 12. A compression spring 10 is installed on the follower block 9, and a friction plate 11 is installed on the compression spring 10. The friction plate 11 is attached to the side wall of the internal rod 8. A top plate 101 is provided on the coarse adjustment tube 5. An embedded groove 13 is coaxially provided on the side wall of the fine adjustment tube 7. A rotating sleeve 14 is rotatably provided in the embedded groove 13. Two unidirectional bars 15 are symmetrically provided on the inner wall of the rotating sleeve 14. The two unidirectional bars 15 are arranged in the same direction. The unidirectional bars 15 are meshed on the side wall of the follower block 9. The angle of the inner wall of the rotating sleeve 14 is the same as the angle of the inclined groove 12. Telescopic holes 16 are provided in multiple follower blocks 9, and each friction plate 11 is respectively provided with a telescopic rod 17. The telescopic rod 17 is slidably connected in the telescopic hole 16. A discharge port 18 is provided on the side wall of the shell 1, and a feed port 19 is coaxially provided on the coarse adjustment tube 5. A tray 20 is provided in the shell 1, and a plurality of toggling pieces 21 are provided on the chassis 2.

[0043] Working principle: When grinding cerium oxide, first put the raw material into the feed port 19. At this time, the motor 33 can drive the middle cone 3 and the bottom plate 2 to rotate in the opposite direction, and then the raw material enters between the top plate 101 and the middle cone 3. The top plate 101 is in a fixed state. The rotation of the middle cone 3 will make the raw material grind between the middle cone 3 and the top plate 101, thereby realizing preliminary grinding. The raw material after preliminary grinding flows into between the middle cone 3 and the bottom plate 2 through multiple partition plates 4. Since the bottom plate 2 and the middle cone 3 rotate in the opposite direction, and the bottom plate 2 and the shell 1 are in a limited state in the axial direction, the raw material after preliminary grinding can be finely ground for a second time, which will improve the grinding effect, and then flow into the tray 20 through the bottom plate 2. The rotation of the bottom plate 2 will drive the rotation of multiple paddles 21, so that the finely ground raw material will be discharged through the discharge port 18, thereby completing the fine grinding process.

[0044] When the effect of the second grinding needs to be changed, it is only necessary to adjust the distance between the middle cone 3 and the chassis 2. Since the chassis 2 and the reversing sleeve 29 are fixedly connected, they cannot move in the vertical direction. At this time, it is only necessary to adjust the position of the middle cone 3 of the chassis 2. First, rotate the rotating sleeve 14. Since the rotating sleeve 14 is rotatably connected in the embedded groove 13, the upper and lower positions of the rotating sleeve 14 are in a limited state, and then the two unidirectional bars 15 are driven to rotate synchronously. Since the upper and lower multiple follower blocks 9 are respectively engaged with the unidirectional bars 15, the rotation of the rotating sleeve 14 can synchronously drive the follower blocks 9 to slide up and down. Here, taking the upward direction as an example, the follower block 9 at the upper end expands along the inclined groove 12 while sliding upward. When the compression spring 10 is in an expanded state, the telescopic block at the lower end shrinks along the inclined groove 12 while sliding upward. At this time, the compression spring 10 at the lower end is in a compressed state, so the thrust at the lower end becomes larger to ensure a stable connection between the friction plate 11 and the internal rod 8, and then the internal rod 8 is driven to push upward. Since the internal rod 8 is connected to the positive rotating sleeve 28, the middle cone 3 slides downward, thereby changing the distance between the middle cone 3 and the chassis 2. As the distance is adjusted, the grinding effect also changes accordingly, thereby ensuring the grinding requirements. Since the compression springs 10 at the upper and lower ends are always in a compressed and expanded state regardless of rising or falling, the friction force is dynamically balanced, thereby ensuring stability in use.

[0045] To achieve a rough adjustment of the position, add a positioning mechanism. Figures 1 to 4 The positioning mechanism includes a bottom plate 22, an intermediate spring 23, a fixed plate 24 and a push spring 25. The bottom plate 22 is fixedly mounted on the side wall of the shell 1, the fixed plate 24 is slidably connected to the shell 1, and the two ends of the push spring 25 are respectively connected to the bottom plate 22 and the fixed plate 24. The upper end surface of the shell 1 is installed with an intermediate spring 23, and the intermediate spring 23 abuts against the top plate 6. A plurality of fixing rods 26 are equidistantly arranged on the fixed plate 24, and the fixing rods 26 are slidably connected in the shell 1, and the fixing rods 26 are inserted into the top plate 6.

[0046] Working principle: as the position of the middle cone 3 changes, the position of the coarse adjustment tube 5 also needs to change accordingly. The coarse adjustment tube 5 is threadedly connected to the shell 1, and the fixed disk 24 is pulled downward, and then the push spring 25 is compressed, and then the fixed rod 26 is released from the top disk 6. By rotating the coarse adjustment tube 5, the position of the top disk 101 and the middle cone 3 can be changed. At this time, the coarse adjustment process is completed. When the adjustment is completed and positioning is required, the fixed disk 24 is released. Under the action of the push spring 25, the fixed disk 24 slides upward, and then the fixed rod 26 is inserted into the top disk 6. Since the fixed rod 26 is always slidably connected in the shell 1, it is ensured that the coarse adjustment tube 5 is in a positioned state after adjustment, thereby completing the coarse adjustment process.

[0047] See also Figures 3 to 8In order to realize the reversal, a reversing mechanism is added, which includes a transmission box 27, a forward sleeve 28 and a reverse sleeve 29. The transmission box 27 is installed on the housing 1, the forward sleeve 28 is rotatably connected in the transmission box 27, the reverse sleeve 29 is rotatably connected in the forward sleeve 28, the forward sleeve 28 is fixedly connected to the chassis 2, the internal rod 8 is connected to the reverse sleeve 29, and the reverse sleeve 29 is provided with an insertion rod 30, the insertion rod 30 and the internal rod 8 are coaxially arranged, and an insertion groove 31 is coaxially opened in the middle cone 3, and the insertion groove 31 is coaxially opened in the middle cone 3. The insertion rod 30 is connected to the insertion groove 31, and gear plates 32 are respectively provided on the forward rotation sleeve 28 and the reverse rotation sleeve 29. A motor 33 is provided on the side wall of the transmission box 27, and an intermediate wheel 34 is provided on the protruding end of the motor 33. The intermediate wheel 34 is respectively engaged with the gear plates 32 at the upper and lower ends. The reverse rotation sleeve 29 is rotatably connected to the inside of the forward rotation sleeve 28, and the forward rotation sleeve 28 is rotatably connected to the tray 20. An internal spring 35 is sleeved on the internal rod 8, and the two ends of the internal spring 35 respectively abut against the insertion rod 30 and the intermediate cone 3.

[0048] Working principle: When the forward rotation sleeve 28 and the reverse rotation sleeve 29 need to rotate in the opposite direction, the motor 33 is started first, and the intermediate wheel 34 is driven to rotate under the action of the motor 33. Since the intermediate wheel 34 is respectively engaged with the two gear plates 32, it will drive the upper and lower gear plates 32 to rotate in the opposite direction, so that the forward rotation sleeve 28 and the reverse rotation sleeve 29 rotate in the opposite direction, thereby meeting the grinding requirements.

[0049] In all the schemes mentioned above, the connection between two parts can be selected according to actual conditions by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which will not be described one by one here. In the above, all fixed connections are preferably welded. Although the embodiments of the present invention have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. A device for preparing nano cerium oxide material, comprising a housing (1), characterized in that: The housing (1) is provided with a grinding mechanism, which comprises a reversing mechanism, a bottom plate (2), an intermediate cone (3), a spacer plate (4), a coarse adjustment tube (5), a top plate (6), a positioning mechanism, a fine adjustment tube (7), an inner rod (8), a follower block (9), a compression spring (10) and a friction plate (11). The reversing mechanism is mounted on the housing (1), the bottom plate (2) is rotatably connected in the housing (1), a plurality of the spacer plates (4) are equidistantly mounted on the inner wall of the housing (1), the middle cone (3) is rotatably connected in the plurality of the spacer plates (4), and the coarse adjustment tube (5) is threadedly connected to the housing (1). The top plate (6) is coaxially mounted on the coarse adjustment tube (5), the positioning mechanism is mounted on the housing (1), the fine adjustment tube (7) is fixedly mounted on the intermediate cone (3), the inner rod (8) is slidably connected in the fine adjustment tube (7), a plurality of inclined grooves (12) are symmetrically provided on the inner wall of the fine adjustment tube (7), a plurality of inclined grooves (12) are symmetrically slidably connected in the plurality of inclined grooves (12), a follower block (9) is symmetrically slidably connected, a compression spring (10) is mounted on the follower block (9), a friction plate (11) is mounted on the compression spring (10), the friction plate (11) is fitted on the side wall of the inner rod (8), and a top plate (101) is provided on the coarse adjustment tube (5).

2. The device for preparing nano cerium oxide material according to claim 1, characterized in that: An inner groove (13) is coaxially provided on the side wall of the fine adjustment tube (7), a rotating sleeve (14) is rotatably provided in the inner groove (13), two symmetrically arranged unidirectional bars (15) are provided on the inner wall of the rotating sleeve (14), the two unidirectional bars (15) are arranged in the same direction, the unidirectional bars (15) are meshed with the side wall of the follower block (9), and the angle of the inner wall of the rotating sleeve (14) is the same as the angle of the inclined groove (12).

3. The device for preparing a nano cerium oxide material according to claim 1, characterized in that: A plurality of the follower blocks (9) are provided with telescopic holes (16), and each of the friction plates (11) is provided with a telescopic rod (17), which is slidably connected in the telescopic hole (16).

4. The device for preparing a nano cerium oxide material according to claim 1, characterized in that: A discharge port (18) is provided on the side wall of the shell (1), a feed port (19) is coaxially provided on the coarse adjustment tube (5), a tray (20) is provided inside the shell (1), and a plurality of shifting plates (21) are provided on the bottom plate (2).

5. The device for preparing nano cerium oxide material according to claim 1, characterized in that: The positioning mechanism comprises a bottom plate (22), an intermediate spring (23), a fixed plate (24) and a push spring (25); the bottom plate (22) is fixedly mounted on the side wall of the housing (1); the fixed plate (24) is slidably connected to the housing (1); two ends of the push spring (25) are respectively connected to the bottom plate (22) and the fixed plate (24); an intermediate spring (23) is mounted on the upper end surface of the housing (1); and the intermediate spring (23) abuts against the top plate (6).

6. The device for preparing nano cerium oxide material according to claim 5, characterized in that: A plurality of fixing rods (26) are equidistantly arranged on the fixing plate (24), the fixing rods (26) are slidably connected in the housing (1), and the fixing rods (26) are inserted into the top plate (6).

7. The device for preparing nano cerium oxide material according to claim 1, characterized in that: The reversing mechanism comprises a transmission box (27), a forward rotation sleeve (28) and a reverse rotation sleeve (29); the transmission box (27) is mounted on the housing (1); the forward rotation sleeve (28) is rotatably connected in the transmission box (27); the reverse rotation sleeve (29) is rotatably connected in the forward rotation sleeve (28); the forward rotation sleeve (28) is fixedly connected to the chassis (2); and the internal rod (8) is connected to the reverse rotation sleeve (29).

8. The device for preparing nano cerium oxide material according to claim 7, characterized in that: The reversing sleeve (29) is provided with an insertion rod (30), the insertion rod (30) and the inner rod (8) are coaxially arranged, an insertion groove (31) is coaxially opened in the middle cone (3), and the insertion rod (30) is connected in the insertion groove (31).

9. The device for preparing nano cerium oxide material according to claim 7, characterized in that: The forward-rotating sleeve (28) and the reverse-rotating sleeve (29) are respectively provided with gear plates (32); a motor (33) is provided on the side wall of the transmission box (27); an intermediate wheel (34) is provided on the protruding end of the motor (33); the intermediate wheel (34) is respectively engaged with the gear plates (32) at the upper and lower ends; the reverse-rotating sleeve (29) is rotatably connected to the interior of the forward-rotating sleeve (28); the forward-rotating sleeve (28) is rotatably connected to the tray (20); an internal spring (35) is sleeved on the internal rod (8); and the two ends of the internal spring (35) respectively contact the insertion rod (30) and the intermediate cone (3).

10. A method for preparing a nano cerium oxide material preparation device, using the nano cerium oxide material preparation device according to any one of claims 1 to 9, characterized in that: The following steps are involved: Step 1: Preliminary grinding: the raw material enters from the feed port (19), the motor (33) drives the middle cone (3) and the bottom plate (2) to rotate in opposite directions, the raw material enters between the fixed top plate (101) and the rotating middle cone (3), and the preliminary grinding is completed by the rotation of the middle cone (3); Step 2: Fine grinding: The raw materials after preliminary grinding flow into the space between the middle cone (4) and the bottom plate (2) through a plurality of partition plates (4). As the two rotate in opposite directions and the bottom plate (2) is axially limited by the housing (1), the raw materials are further finely ground, thereby improving the grinding effect. Step 3: Discharging finished products: The finely ground raw materials enter the tray (20) through the bottom plate (2), and the rotation of the bottom plate (2) drives the multiple paddles (21) to rotate, and the finely ground raw materials are discharged through the discharge port (18), completing the grinding process.

Images