A dynamic centrifugal separation and classification device

Abstract

The present invention relates to the technical field of separation and classification of materials, and discloses a dynamic centrifugal separation and classification device, which solves the problems that static separation is a static screen separation method, which is prone to material blockage, the separation effect is average, while the dynamic separation equipment has a complex structure, the actual operation steps are relatively cumbersome, and it is also inconvenient to clean the screen later. It includes a grinder body and a centrifugal separation box. The grinder body is used for grinding and refining particles and is matched with the centrifugal separation box for transmitting the content particles. A discharge pipe is provided on the centrifugal separation box. A centrifugal screening box is provided inside the centrifugal separation box. A number of screening holes are opened on the centrifugal screening box. A support plate is provided at the bottom of the centrifugal screening box. A number of positioning holes are opened on the top of the support plate. A number of positioning columns are fixedly connected to the bottom of the centrifugal screening box; reducing the possibility of material blockage in the screening holes on the centrifugal screening box, improving the separation efficiency, and facilitating the separation and classification treatment of materials.

Description

Technical Field

[0001] The invention belongs to the technical field of material separation and classification, and specifically relates to a dynamic centrifugal separation and classification device. Background Art

[0002] Sand mills have won the reputation of researchers and business owners in the field of material superfine grinding and classification. With the sudden rise of the new energy and new material industries, the market demand for the above-mentioned machines has increased rapidly, and the requirements for their performance and quality have become increasingly strict, especially in developed countries such as Europe and the United States. Therefore, the grinding process for materials is also required to be more and more strict. Currently, the general solution for refining the grinding process in the market is to first use a disk sand mill or a rod pin sand mill for rough grinding, and then use one or several sand mills of the same type with different powers for fine grinding, and the separation device is used in combination with the sand mill.

[0003] There are two ways of separation devices: static separation and dynamic separation. Among them, static separation is the way of static screen separation. This way is prone to material blockage, and the separation effect is average. While the dynamic separation equipment has a complex structure, the actual operation steps are relatively cumbersome, and it is also inconvenient to clean the screen later. Summary of the Invention

[0004] In view of the above situation, in order to overcome the defects of the prior art, the invention provides a dynamic centrifugal separation and classification device, which effectively solves the problems in the above background art that static separation is the way of static screen separation, which is prone to material blockage, the separation effect is average, while the dynamic separation equipment has a complex structure, the actual operation steps are relatively cumbersome, and it is also inconvenient to clean the screen later.

[0005] To achieve the above purpose, the invention provides the following technical solution: A dynamic centrifugal separation and classification device, including a grinding machine body and a centrifugal separation box. The grinding machine body is used for grinding and refining particles and is matched with the centrifugal separation box for transmitting the content particles. The centrifugal separation box is provided with a discharge pipe. An centrifugal screening box is arranged inside the centrifugal separation box. A number of screening holes are opened on the centrifugal screening box. A support plate is arranged at the bottom of the centrifugal screening box. A number of positioning holes are opened on the top of the support plate. A number of positioning columns are fixedly connected to the bottom of the centrifugal screening box. A first rotating shaft is fixedly connected to the bottom of the support plate. The centrifugal separation box is provided with a centrifugal driving unit matched with the first rotating shaft. The bottom end of the first rotating shaft is connected to the centrifugal separation box through a rotating unit. The centrifugal screening box and the centrifugal separation box are connected through an anti-detachment, anti-blockage and cleaning component;

[0006] The anti - shedding and anti - blocking cleaning component includes a threaded pipe arranged inside the centrifugal screening box. The bottom of the threaded pipe is fixedly connected to the inner wall of the bottom of the centrifugal screening box. A cover plate is provided at the top of the centrifugal screening box. The cover plate and the centrifugal screening box are connected by a positioning and anti - rotation unit. A through - hole is opened at the top of the cover plate. A feed pipe is provided on the cover plate. The top end of the threaded pipe penetrates through the through - hole. A positioning seat is provided above the cover plate. A first threaded column is arranged inside the threaded pipe. The first threaded column penetrates through the positioning seat. A fixed disk is provided above the positioning seat. The top of the first threaded column is fixedly connected to the bottom of the fixed disk. Two positioning plates are fixedly connected to the bottom of the fixed disk. The positioning plates penetrate through the positioning seat. The bottom ends of the positioning plates are connected to a cleaning mechanism located inside the centrifugal screening box. The positioning seat and the centrifugal separation box are connected by a stable pressing and fixing component.

[0007] Preferably, the stable pressing and fixing component includes a number of first support plates arranged on the positioning seat. One end of the first support plate is fixedly connected to the positioning seat. A number of first fixing plates are fixedly connected to the centrifugal separation box. A rotating plate is provided above the first fixing plate. A card slot is opened at the top of the rotating plate. A block is fixedly connected to the bottom of the first support plate. A second rotating shaft is fixedly connected to the bottom of the rotating plate. The bottom end of the second rotating shaft and the first fixing plate are connected by a first bearing. A first roller is provided at the bottom of the rotating plate. The first fixing plate and the first support plate are connected by a fixing unit.

[0008] Preferably, the fixing unit includes a second threaded column arranged on the top of the first fixing plate. The bottom of the second threaded column is fixedly connected to the top of the first fixing plate. The second threaded column penetrates through the first support plate. A nut is sleeved outside the second threaded column.

[0009] Preferably, the bottom of the nut is in contact with the top of the first support plate. A handle is provided on the nut. The block is located inside the card slot. The bottom of the first roller is in contact with the top of the cover plate.

[0010] Preferably, the positioning and anti - rotation unit includes a number of second fixing plates arranged on the centrifugal screening box. The second fixing plates are fixedly connected to the centrifugal screening box. A limiting hole is opened at the top of the second fixing plate. A number of limiting blocks are fixedly connected to the bottom of the cover plate. The limiting blocks are located inside the limiting holes. The positioning column is located inside the positioning hole.

[0011] Preferably, the cleaning mechanism includes a fixing ring sleeved outside the threaded pipe. The bottom of the positioning plate is fixedly connected to the top of the fixing ring. Two second support plates are fixedly connected to the fixing ring. A cleaning brush is provided at one end of the second support plate, and the cleaning brush is in contact with the inner wall of the centrifugal screening box.

[0012] Preferably, the centrifugal drive unit includes a worm gear disposed below the support disk. The first rotating shaft passes through the worm gear and is fixedly connected to the worm gear. A worm is provided on one side of the worm gear. One end of the worm passes through the inner wall of one side of the centrifugal separation tank. A second bearing is provided at the penetration of the worm and the centrifugal separation tank. One end of the worm is connected to a motor located on one side of the centrifugal separation tank, and the other end of the worm is connected to the inner wall of one side of the centrifugal separation tank through a third bearing.

[0013] Preferably, the rotating unit includes a fixed seat disposed below the first rotating shaft. The fixed seat and the inner wall of the centrifugal separation tank are connected by a plurality of first connecting rods. The bottom end of the first rotating shaft is connected to the fixed seat through a fourth bearing.

[0014] Preferably, a support ring is sleeved outside the first rotating shaft. A plurality of second rollers are provided on the top of the support ring. The tops of the second rollers are in contact with the bottom of the support disk. The support ring and the inner wall of the centrifugal separation tank are connected by a plurality of second connecting rods.

[0015] Preferably, a base is provided below the centrifugal separation tank. Side plates are fixedly connected to both sides of the centrifugal separation tank. The side plates and the base are connected by support legs.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0017] (1) Pour the material to be screened into the centrifugal screening tank through the feed pipe. After pouring is completed, drive the support disk and the centrifugal screening tank to rotate, so that the material is screened through the centrifugal screening tank. While the centrifugal screening tank rotates, the threaded pipe rotates synchronously. And through the design of the positioning seat, the fixed disk and the positioning plate, the first threaded column moves smoothly in the vertical direction, and the rotation and shaking of the first threaded column are avoided. Furthermore, when the threaded pipe rotates, the first threaded column can move in the vertical direction. Then, through the fixed disk and the positioning plate, the fixed ring is driven to move, so that the second support plate and the cleaning brush move in the vertical direction. When the centrifugal screening tank rotates by itself, the cleaning brush can move in the vertical direction. By periodically driving the support disk and the centrifugal screening tank to rotate forward and backward, the cleaning brush cleans the inner wall of the centrifugal screening tank, reducing the possibility of material clogging the screening holes on the centrifugal screening tank, improving the separation efficiency, and facilitating the separation and grading treatment of the material;

[0018] (2) Through the design of the fixed seat, the fourth bearing and the first connecting rod, the support disk is rotatably connected relative to the centrifugal separation tank. Drive the worm to rotate through the motor, and then through the cooperation of the worm and the worm gear, the first rotating shaft rotates, and then the support disk and the centrifugal screening tank can be automatically rotated. Through the design of the second bearing and the third bearing, the worm rotates smoothly relative to the centrifugal separation tank;

[0019] (3) Through the design of the support ring, the second connecting rod, and the second roller, the second roller contacts the bottom of the support plate to support the bottom of the support plate, increasing the stability of the support plate during rotation. Through the design of the base, the side plate, and the support legs, the centrifugal separation box is supported. Through the design of the second fixing plate, the limiting hole, and the limiting block, the cover plate is prevented from rotating and shaking relative to the centrifugal screening box, enabling the cover plate to rotate with the centrifugal screening box. By driving the cover plate to move upward so that the limiting block disengages from the limiting hole, the removal of the cover plate can be completed;

[0020] (4) The top of the cover plate is limited by the first roller to prevent the cover plate and the centrifugal screening box from shaking in the vertical direction during rotation. When the centrifugal screening box needs to be cleaned, by driving the centrifugal screening box to rotate, the fixed plate and the first threaded column rise to a high position, facilitating the subsequent removal of the centrifugal screening box. Then, by driving the nut to rotate, the nut disengages from the second threaded column, releasing the limitation on the position of the first support plate. By driving the positioning seat and the first support plate to move upward, the clamping block disengages from the clamping groove, releasing the limitation on the position of the rotating plate. Then, by driving the rotating plate to rotate, the rotating plate and the first roller are no longer directly above the cover plate, avoiding blocking the upward movement of the cover plate. During the upward movement of the positioning seat and the first support plate, when the positioning seat contacts the bottom of the fixed plate, the fixed plate drives the first threaded column to rotate, causing the first threaded column to disengage from the threaded tube. Then, by continuously driving the positioning seat and the first support plate to move upward, finally, the second support plate and the cleaning brush disengage from the centrifugal screening box. And during the upward movement of the second support plate and the cleaning brush, the cleaning brush contacts the bottom of the cover plate. Then, by driving the cover plate to move upward, the cover plate is no longer located on the top of the centrifugal screening box, thereby releasing the limitation on the top position of the centrifugal screening box. By driving the centrifugal screening box to move upward, the positioning column disengages from the positioning hole, and the removal of the centrifugal screening box can be completed, facilitating the replacement and cleaning of the centrifugal screening box and facilitating later use. Description of the Drawings

[0021] The drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0022] In the drawings:

[0023] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0024] Figure 2 is Figure 1 a partial enlarged structural schematic diagram at A in

[0025] Figure 3 a schematic diagram of the structure of the centrifugal screening box of the present invention

[0026] Figure 4Schematic structural diagram of the centrifugal drive unit of the present invention;

[0027] Figure 5 is Figure 4 Partial enlarged structural diagram at position B in

[0028] Figure 6 Schematic structural diagram of the stable pressing and fixing component of the present invention;

[0029] Figure 7 Schematic structural diagram of the positioning seat of the present invention;

[0030] Figure 8 Schematic structural diagram of the rotating plate of the present invention;

[0031] In the figure: 1, centrifugal separation tank; 2, discharge pipe; 3, centrifugal screening tank; 4, support plate; 5, positioning hole; 6, positioning column; 7, first rotating shaft; 8, threaded pipe; 9, cover plate; 10, through hole; 11, feed pipe; 12, positioning seat; 13, first threaded column; 14, fixed plate; 15, positioning plate; 16, first support plate; 17, first fixing plate; 18, rotating plate; 19, first roller; 20, card slot; 21, second rotating shaft; 22, first bearing; 23, nut; 24, card block; 25, second fixing plate; 26, limiting hole; 27, limiting block; 28, fixing ring; 29, second support plate; 30, cleaning brush; 31, worm gear; 32, worm; 33, motor; 34, second bearing; 35, third bearing; 36, fixed seat; 37, fourth bearing; 38, first connecting rod; 39, support ring; 40, second connecting rod; 41, second roller; 42, base; 43, side plate; 44, support leg; 45, handle; 46, second threaded column. Detailed implementation manners

[0032] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0033] Embodiment 1, consists of Figures 1 to 8Provided, the present invention includes a grinding machine body and a centrifugal separation tank 1. The grinding machine body is used for grinding and refining particles and is cooperated with the centrifugal separation tank 1 for transmitting the content particles. A discharge pipe 2 is provided on the centrifugal separation tank 1. A centrifugal screening tank 3 is provided inside the centrifugal separation tank 1. A number of screening holes are formed on the centrifugal screening tank 3. A support plate 4 is provided at the bottom of the centrifugal screening tank 3. A number of positioning holes 5 are formed at the top of the support plate 4. A number of positioning columns 6 are fixedly connected to the bottom of the centrifugal screening tank 3. A first rotating shaft 7 is fixedly connected to the bottom of the support plate 4. A centrifugal driving unit matched with the first rotating shaft 7 is provided on the centrifugal separation tank 1. The bottom end of the first rotating shaft 7 is connected to the centrifugal separation tank 1 through a rotating unit. The centrifugal screening tank 3 and the centrifugal separation tank 1 are connected through an anti-detachment and anti-blockage cleaning assembly;

[0034] The anti-detachment and anti-blockage cleaning assembly includes a threaded pipe 8 arranged inside the centrifugal screening tank 3. The bottom of the threaded pipe 8 is fixedly connected to the bottom inner wall of the centrifugal screening tank 3. A cover plate 9 is provided at the top of the centrifugal screening tank 3. The cover plate 9 and the centrifugal screening tank 3 are connected through a positioning and anti-rotation unit. A through hole 10 is formed at the top of the cover plate 9. A feed pipe 11 is provided on the cover plate 9. The top end of the threaded pipe 8 penetrates through the through hole 10. A positioning seat 12 is provided above the cover plate 9. A first threaded column 13 is arranged inside the threaded pipe 8. The first threaded column 13 penetrates through the positioning seat 12. A fixed plate 14 is provided above the positioning seat 12. The top of the first threaded column 13 is fixedly connected to the bottom of the fixed plate 14. Two positioning plates 15 are fixedly connected to the bottom of the fixed plate 14. The positioning plates 15 penetrate through the positioning seat 12. The bottom ends of the positioning plates 15 are connected to a cleaning mechanism located inside the centrifugal screening tank 3. The positioning seat 12 and the centrifugal separation tank 1 are connected through a stable pressing and fixing assembly.

[0035] Embodiment 2, on the basis of Embodiment 1, by Figure 1 , Figure 2 , Figure 6 , Figure 7 and Figure 8Given that the stable pressing and fixing assembly includes a number of first support plates 16 provided on the positioning seat 12. One end of the first support plate 16 is fixedly connected to the positioning seat 12. A number of first fixing plates 17 are fixedly connected to the centrifugal separation box 1. Above the first fixing plate 17 is provided a rotating plate 18. A card slot 20 is opened at the top of the rotating plate 18. A card block 24 is fixedly connected to the bottom of the first support plate 16. A second rotating shaft 21 is fixedly connected to the bottom of the rotating plate 18. The bottom end of the second rotating shaft 21 and the first fixing plate 17 are connected through a first bearing 22. A first roller 19 is provided at the bottom of the rotating plate 18. The first fixing plate 17 and the first support plate 16 are connected through a fixing unit. The fixing unit includes a second threaded column 46 provided on the top of the first fixing plate 17. The bottom of the second threaded column 46 is fixedly connected to the top of the first fixing plate 17. The second threaded column 46 passes through the first support plate 16. A nut 23 is sleeved outside the second threaded column 46. The bottom of the nut 23 is in contact with the top of the first support plate 16. A handle 45 is provided on the nut 23. The card block 24 is located within the card slot 20. The bottom of the first roller 19 is in contact with the top of the cover plate 9;

[0036] The top of the cover plate 9 is limited by the first roller 19 to prevent the cover plate 9 and the centrifugal screening box 3 from shaking in the vertical direction during rotation. When the centrifugal screening box 3 needs to be cleaned, by driving the centrifugal screening box 3 to rotate, the fixed disk 14 and the first threaded column 13 are raised to a high position, which is convenient for the subsequent removal of the centrifugal screening box 3. Then, by driving the nut 23 to rotate, the nut 23 is disengaged from the second threaded column 46, and the limitation of the position of the first support plate 16 is released. By driving the positioning seat 12 and the first support plate 16 to move upward, the card block 24 is disengaged from the card slot 20, and the limitation of the position of the rotating plate 18 is released. Then, by driving the rotating plate 18 to rotate, the rotating plate 18 and the first roller 19 are no longer directly above the cover plate 9, avoiding blocking the upward movement of the cover plate 9. During the upward movement of the positioning seat 12 and the first support plate 16, when the positioning seat 12 comes into contact with the bottom of the fixed disk 14, the first threaded column 13 is driven to rotate by the fixed disk 14, so that the first threaded column 13 is disengaged from the threaded tube 8. Then, by continuously driving the positioning seat 12 and the first support plate 16 to move upward, finally the second support plate 29 and the cleaning brush 30 are disengaged from the centrifugal screening box 3. And during the upward movement of the second support plate 29 and the cleaning brush 30, the cleaning brush 30 comes into contact with the bottom of the cover plate 9. Then, by driving the cover plate 9 to move upward, the cover plate 9 is no longer located at the top of the centrifugal screening box 3, and thus the limitation of the top position of the centrifugal screening box 3 is released. By driving the centrifugal screening box 3 to move upward, the positioning column 6 is disengaged from the positioning hole 5, and the removal of the centrifugal screening box 3 can be completed.

[0037] Embodiment 3, on the basis of Embodiment 1, by Figure 1 、 Figure 3 、 Figure 4 and Figure 6Given that the anti-rotation positioning unit includes a number of second fixing plates 25 provided on the centrifugal screening box 3. The second fixing plates 25 are fixedly connected to the centrifugal screening box 3. A limiting hole 26 is opened at the top of the second fixing plate 25. A number of limiting blocks 27 are fixedly connected to the bottom of the cover plate 9. The limiting blocks 27 are located within the limiting holes 26. The positioning post 6 is located within the positioning hole 5. The cleaning mechanism includes a fixing ring 28 sleeved outside the threaded pipe 8. The bottom of the positioning plate 15 is fixedly connected to the top of the fixing ring 28. Two second support plates 29 are fixedly connected to the fixing ring 28. A cleaning brush 30 is provided at one end of the second support plate 29, and the cleaning brush 30 is in contact with the inner wall of the centrifugal screening box 3;

[0038] While the centrifugal screening box 3 rotates, the threaded pipe 8 rotates synchronously. And through the design of the positioning seat 12, the fixed disk 14 and the positioning plate 15, the first threaded post 13 moves smoothly in the vertical direction, and the rotation and shaking of the first threaded post 13 are avoided. Furthermore, when the threaded pipe 8 rotates, the first threaded post 13 can move in the vertical direction. Then, through the fixed disk 14 and the positioning plate 15, the fixing ring 28 is driven to move, so that the second support plate 29 and the cleaning brush 30 move in the vertical direction. Through the design of the second fixing plate 25, the limiting hole 26 and the limiting block 27, the relative rotation and shaking of the cover plate 9 relative to the centrifugal screening box 3 are avoided, so that the cover plate 9 can rotate following the centrifugal screening box 3. By driving the cover plate 9 to move upward, the limiting block 27 is separated from the limiting hole 26, and the removal of the cover plate 9 can be completed.

[0039] Embodiment 4, on the basis of Embodiment 1, is given by Figure 1 、 Figure 4 and Figure 5 The centrifugal drive unit includes a worm gear 31 provided below the support disk 4. The first rotating shaft 7 penetrates through the worm gear 31, and the first rotating shaft 7 is fixedly connected to the worm gear 31. A worm 32 is provided on one side of the worm gear 31. One end of the worm 32 penetrates through one side inner wall of the centrifugal separation box 1. A second bearing 34 is provided at the penetration of the worm 32 and the centrifugal separation box 1, and one end of the worm 32 is connected to a motor 33 located on one side of the centrifugal separation box 1. The other end of the worm 32 is connected to one side inner wall of the centrifugal separation box 1 through a third bearing 35. The rotating unit includes a fixed seat 36 provided below the first rotating shaft 7. The fixed seat 36 and the inner wall of the centrifugal separation box 1 are connected through a number of first connecting rods 38. The bottom end of the first rotating shaft 7 is connected to the fixed seat 36 through a fourth bearing 37. A support ring 39 is sleeved outside the first rotating shaft 7. A number of second rollers 41 are provided at the top of the support ring 39. The tops of the second rollers 41 are in contact with the bottom of the support disk 4. The support ring 39 and the inner wall of the centrifugal separation box 1 are connected through a number of second connecting rods 40. A base 42 is provided below the centrifugal separation box 1. Both sides of the centrifugal separation box 1 are fixedly connected with side plates 43. The side plates 43 and the base 42 are connected through support legs 44;

[0040] Through the design of the fixed seat 36, the fourth bearing 37 and the first connecting rod 38, the support disk 4 is rotatably connected relative to the centrifugal separation box 1. By driving the worm 32 to rotate through the motor 33, and then through the cooperation of the worm 32 and the worm wheel 31, the first rotating shaft 7 rotates, and then the support disk 4 and the centrifugal screening box 3 can be automatically rotated. Through the design of the second bearing 34 and the third bearing 35, the worm 32 rotates smoothly relative to the centrifugal separation box 1. Through the design of the support ring 39, the second connecting rod 40 and the second roller 41, the second roller 41 contacts the bottom of the support disk 4 to support the bottom of the support disk 4, increasing the stability of the support disk 4 during rotation. Through the design of the base 42, the side plate 43 and the support leg 44, the centrifugal separation box 1 is supported.

[0041] Working principle: During operation, the material to be screened is poured into the centrifugal screening box 3 through the feed pipe 11. After pouring, the driving support plate 4 and the centrifugal screening box 3 are rotated, so that the material is screened through the centrifugal screening box 3. While the centrifugal screening box 3 is rotating, the threaded pipe 8 rotates synchronously. And through the design of the positioning seat 12, the fixed plate 14 and the positioning plate 15, the first threaded column 13 moves smoothly in the vertical direction and is prevented from rotating and shaking. Thus, when the threaded pipe 8 rotates, the first threaded column 13 can move in the vertical direction. Then, through the fixed plate 14 and the positioning plate 15, the fixed ring 28 is driven to move, so that the second support plate 29 and the cleaning brush 30 move in the vertical direction. When the centrifugal screening box 3 rotates by itself, the cleaning brush 30 can move in the vertical direction. By periodically driving the support plate 4 and the centrifugal screening box 3 to rotate forward and backward, the cleaning brush 30 can clean the inner wall of the centrifugal screening box 3, reducing the possibility of material clogging the screening holes on the centrifugal screening box 3, improving the separation efficiency, and facilitating the separation and grading of the material. Through the design of the fixed seat 36, the fourth bearing 37 and the first connecting rod 38, the support plate 4 is rotatably connected relative to the centrifugal separation box 1. The motor 33 drives the worm 32 to rotate. Then, through the cooperation of the worm 32 and the worm gear 31, the first rotating shaft 7 rotates, and thus the support plate 4 and the centrifugal screening box 3 can rotate automatically. Through the design of the second bearing 34 and the third bearing 35, the worm 32 rotates smoothly relative to the centrifugal separation box 1. Through the design of the support ring 39, the second connecting rod 40 and the second roller 41, the second roller 41 contacts the bottom of the support plate 4 to support the bottom of the support plate 4, increasing the stability of the support plate 4 during rotation. Through the design of the base 42, the side plate 43 and the support leg 44, the centrifugal separation box 1 is supported. Through the design of the second fixing plate 25, the limiting hole 26 and the limiting block 27, the cover plate 9 is prevented from rotating and shaking relative to the centrifugal screening box 3, so that the cover plate 9 can rotate with the centrifugal screening box 3. By driving the cover plate 9 to move upward, the limiting block 27 is disengaged from the limiting hole 26, and the removal of the cover plate 9 can be completed. The top of the cover plate 9 is limited by the first roller 19 to prevent the cover plate 9 and the centrifugal screening box 3 from shaking in the vertical direction during rotation. When the centrifugal screening box 3 needs to be cleaned, by driving the centrifugal screening box 3 to rotate, the fixed plate 14 and the first threaded column 13 are raised to a high position, facilitating the subsequent removal of the centrifugal screening box 3. Then, by driving the driving nut 23 to rotate, the driving nut 23 is disengaged from the second threaded column 46, releasing the limitation on the position of the first support plate 16. By driving the positioning seat 12 and the first support plate 16 to move upward, the clamping block 24 is disengaged from the clamping groove 20, releasing the limitation on the position of the rotating plate 18. Then, by driving the rotating plate 18 to rotate, the rotating plate 18 and the first roller 19 are no longer directly above the cover plate 9, avoiding blocking the upward movement of the cover plate 9. During the upward movement of the positioning seat 12 and the first support plate 16, when the positioning seat 12 contacts the bottom of the fixed plate 14,Drive the first threaded column 13 to rotate through the fixed disk 14, so that the first threaded column 13 disengages from the threaded tube 8, and then continuously drive the positioning seat 12 and the first support plate 16 to move upward. Finally, the second support plate 29 and the cleaning brush 30 disengage from the centrifugal screening box 3. During the upward movement of the second support plate 29 and the cleaning brush 30, the cleaning brush 30 contacts the bottom of the cover plate 9, and then drives the cover plate 9 to move upward, so that the cover plate 9 is no longer located at the top of the centrifugal screening box 3, and then the limitation of the top position of the centrifugal screening box 3 is released. By driving the centrifugal screening box 3 to move upward, the positioning column 6 disengages from the positioning hole 5, and the removal of the centrifugal screening box 3 can be completed, which is convenient for the replacement and cleaning of the centrifugal screening box 3 and convenient for later use.

[0042] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0043] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand 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 appended claims and their equivalents.

Claims

1. A dynamic centrifugal separation and classification device, comprising a grinder body and a centrifugal separation tank (1). The grinder body is used for grinding and refining particles and is cooperated with the centrifugal separation tank (1) for transporting the content particles, and is characterized in that: A discharge pipe (2) is provided on the centrifugal separation box (1). A centrifugal screening box (3) is arranged inside the centrifugal separation box (1). A number of screening holes are formed in the centrifugal screening box (3). A support plate (4) is provided at the bottom of the centrifugal screening box (3). A number of positioning holes (5) are formed in the top of the support plate (4). A number of positioning columns (6) are fixedly connected to the bottom of the centrifugal screening box (3). A first rotating shaft (7) is fixedly connected to the bottom of the support plate (4). A centrifugal driving unit matched with the first rotating shaft (7) is provided on the centrifugal separation box (1). The bottom end of the first rotating shaft (7) is connected to the centrifugal separation box (1) through a rotating unit. The centrifugal screening box (3) and the centrifugal separation box (1) are connected through an anti-disengagement, anti-blocking and cleaning assembly; The anti-disengagement, anti-blocking and cleaning assembly includes a threaded pipe (8) arranged inside the centrifugal screening box (3). The bottom of the threaded pipe (8) is fixedly connected to the bottom inner wall of the centrifugal screening box (3). A cover plate (9) is provided at the top of the centrifugal screening box (3). The cover plate (9) and the centrifugal screening box (3) are connected through a positioning and anti-rotation unit. A through hole (10) is formed in the top of the cover plate (9). A feed pipe (11) is provided on the cover plate (9). The top end of the threaded pipe (8) penetrates through the through hole (10). A positioning seat (12) is arranged above the cover plate (9). A first threaded column (13) is arranged inside the threaded pipe (8). The first threaded column (13) penetrates through the positioning seat (12). A fixed plate (14) is arranged above the positioning seat (12). The top of the first threaded column (13) is fixedly connected to the bottom of the fixed plate (14). Two positioning plates (15) are fixedly connected to the bottom of the fixed plate (14). The positioning plates (15) penetrate through the positioning seat (12). The bottom ends of the positioning plates (15) are connected to a cleaning mechanism located inside the centrifugal screening box (3). The positioning seat (12) and the centrifugal separation box (1) are connected through a stable pressing and fixing assembly; The stable pressing and fixing assembly includes a number of first support plates (16) arranged on the positioning seat (12). One end of the first support plate (16) is fixedly connected to the positioning seat (12). A number of first fixing plates (17) are fixedly connected to the centrifugal separation box (1). A rotating plate (18) is arranged above the first fixing plate (17). A card slot (20) is formed in the top of the rotating plate (18). A card block (24) is fixedly connected to the bottom of the first support plate (16). A second rotating shaft (21) is fixedly connected to the bottom of the rotating plate (18). The bottom end of the second rotating shaft (21) and the first fixing plate (17) are connected through a first bearing (22). A first roller (19) is arranged at the bottom of the rotating plate (18). The first fixing plate (17) and the first support plate (16) are connected through a fixing unit.

2. The dynamic centrifugal separation and classification device according to claim 1, characterized in that: The fixing unit includes a second threaded column (46) arranged on the top of the first fixing plate (17). The bottom of the second threaded column (46) is fixedly connected to the top of the first fixing plate (17). The second threaded column (46) penetrates through the first support plate (16). A nut (23) is sleeved outside the second threaded column (46).

3. The dynamic centrifugal separation and classification device according to claim 2, wherein: The bottom of the nut (23) is in contact with the top of the first support plate (16). A handle (45) is provided on the nut (23). The clamping block (24) is located within the clamping groove (20). The bottom of the first roller (19) is in contact with the top of the cover plate (9).

4. A dynamic centrifugal separation and classification device according to claim 1, characterized in that: The positioning and anti-rotation unit includes a number of second fixing plates (25) provided on the centrifugal screening box (3). The second fixing plates (25) are fixedly connected to the centrifugal screening box (3). A limiting hole (26) is formed at the top of the second fixing plate (25). A number of limiting blocks (27) are fixedly connected to the bottom of the cover plate (9). The limiting blocks (27) are located within the limiting holes (26). The positioning column (6) is located within the positioning hole (5).

5. The dynamic centrifugal separation and classification device according to claim 1, characterized in that: The cleaning mechanism includes a fixing ring (28) sleeved outside the threaded pipe (8). The bottom of the positioning plate (15) is fixedly connected to the top of the fixing ring (28). Two second support plates (29) are fixedly connected to the fixing ring (28). A cleaning brush (30) is provided at one end of the second support plate (29), and the cleaning brush (30) is in contact with the inner wall of the centrifugal screening box (3).

6. The dynamic centrifugal separation and classification device according to claim 1, wherein: The centrifugal driving unit includes a worm gear (31) provided below the support disk (4). The first rotating shaft (7) passes through the worm gear (31) and is fixedly connected to the worm gear (31). A worm (32) is provided on one side of the worm gear (31). One end of the worm (32) passes through the inner wall of one side of the centrifugal separation box (1). A second bearing (34) is provided at the penetration of the worm (32) and the centrifugal separation box (1), and one end of the worm (32) is connected to a motor (33) located on one side of the centrifugal separation box (1). The other end of the worm (32) is connected to the inner wall of one side of the centrifugal separation box (1) through a third bearing (35).

7. The dynamic centrifugal separation and classification device according to claim 1, characterized in that: The rotating unit includes a fixing seat (36) provided below the first rotating shaft (7). The fixing seat (36) and the inner wall of the centrifugal separation box (1) are connected through a number of first connecting rods (38). The bottom end of the first rotating shaft (7) is connected to the fixing seat (36) through a fourth bearing (37).

8. The dynamic centrifugal separation and classification device according to claim 1, characterized in that: A support ring (39) is sleeved outside the first rotating shaft (7). A number of second rollers (41) are provided on the top of the support ring (39). The tops of the second rollers (41) are in contact with the bottom of the support disk (4). The support ring (39) and the inner wall of the centrifugal separation box (1) are connected through a number of second connecting rods (40).

9. A dynamic centrifugal separation and classification device according to claim 1, characterized in that: A base (42) is provided below the centrifugal separation box (1). Side plates (43) are fixedly connected to both sides of the centrifugal separation box (1). The side plates (43) and the base (42) are connected through support legs (44).

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