Grinding device with graded recovery structure for silicon powder processing
By designing a silicon powder processing grinding device with a hierarchical recycling structure, a dual servo motor drives the worm and crushing roller for efficient crushing, combining the screening plate and lifting cylinder for particle size screening and secondary crushing, a rotating disc and grinding roller are used for grinding, and a particle size grading recovery is achieved through the toggle plate and the screening bucket, which solves the problems of low efficiency and uneven particle size of the traditional silicon powder processing grinding device, and realizes efficient and stable silicon powder processing and grading recovery.
Patent Information
- Application Number
- CN202510076979.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-17
- Publication Date
- 2025-04-11
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
Traditional silicon powder processing and grinding devices cannot fully adapt to the physical characteristics of silicon powder, resulting in long grinding time, low production efficiency, high cost, and difficulty in achieving accurate grading and recycling of silicon powder particle size, resulting in unstable product quality and unable to meet the high-precision particle size requirements of the high-end market.
A grinding device for silicon powder processing with a hierarchical recycling structure was designed, and the worm and crushing roller were driven by a dual servo motor for efficient crushing. It was combined with a screening plate and a lifting cylinder for particle size screening and secondary crushing. It was ground with a rotating plate and a grinding roller, and the particle size was graded recycling through a toggle plate and a screening bucket.
It significantly improves the grinding efficiency and processing efficiency of silicon powder, realizes accurate grading and recycling of silicon powder particle size, and has stable product quality, which can meet the high-precision particle size requirements of the high-end market. At the same time, it reduces the cost of raw materials procurement and improves the economic benefits of the enterprise.
Smart Images
Figure CN119793652A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of silicon powder processing, and in particular to a grinding device for silicon powder processing with a graded recovery structure. Background Art
[0002] As an important industrial raw material, silicon powder is widely used in many fields such as semiconductors, photovoltaics, and chemicals. With the rapid development of these industries, the quality and output requirements of silicon powder are increasing. In the processing of silicon powder, grinding is a key link. Its purpose is to grind the silicon raw material into powder that meets specific particle size requirements to meet the needs of different application scenarios.
[0003] Traditional grinding devices often adopt a single grinding method and structure, which cannot fully adapt to the physical properties of silicon powder, resulting in a long grinding time, which not only affects the production efficiency of silicon powder, but also increases production costs. At the same time, traditional grinding devices have great limitations in particle size control, and it is difficult to achieve accurate classification and recovery of silicon powder particle size, which makes the produced silicon powder particle size uneven and the product quality unstable. It cannot meet the application scenarios of the high-end market that require high-precision particle size of silicon powder, and has brought certain adverse effects on people's use process. In order to solve the shortcomings of the existing technology, we propose a grinding device for silicon powder processing with a graded recovery structure. Summary of the invention
[0004] The main purpose of the present invention is to provide a grinding device for silicon powder processing with a graded recovery structure, which can effectively solve the problems in the background technology.
[0005] To achieve the above object, the technical solution adopted by the present invention is:
[0006] A grinding device for silicon powder processing with a graded recovery structure, comprising a crushing box, a feed hopper is arranged at the upper end of the crushing box, guide plates are symmetrically arranged on the inner surfaces of both sides of the crushing box, a support rod is arranged at the lower end of the crushing box, a grinding box is arranged at the lower end of the support rod, L-shaped fixing plates are symmetrically arranged on the surfaces of both sides of the grinding box, a first servo motor is arranged on one side of the L-shaped fixing plate, first bearing seats are also symmetrically arranged on the surfaces of both sides of the grinding box, a worm is arranged on the output end of the first servo motor through the L-shaped fixing plate, a worm is arranged above the worm, a first rotating rod is arranged in the worm wheel, second bearing seats are symmetrically arranged on the surfaces of both sides of the grinding box, a first gear is arranged on the outer surface of the first rotating rod, a transmission toothed belt is arranged on the outer surface of the first gear, a second gear is arranged on the inner surface of the other end of the transmission toothed belt, a second rotating rod is arranged in the second gear, a rear end of the second rotating rod passes through the crushing box and a crushing roller is arranged, a screening plate is arranged in the crushing box, and two discharge channels are arranged at the lower end of the crushing box;
[0007] The surfaces of both sides of the crushing box are provided with connecting pieces, a lifting cylinder is provided in the connecting pieces, a material discharge channel is provided between the crushing box and the lifting cylinder, a second servo motor is provided on the top of the lifting cylinder, a screw rod is provided at the output end of the second servo motor passing through the lifting cylinder, and a first material discharge port is provided on the left side of the lifting cylinder;
[0008] The other end of the worm passes through the first bearing seat and the grinding box to be provided with a grinding roller, the upper end of the grinding box is provided with a third servo motor, the output end of the third servo motor passes through the grinding box to be provided with a third rotating rod, and the outer surface of the third rotating rod is provided with a rotating disk;
[0009] Two groups of fixed rods are also provided on the outer surface of the third rotating rod, and a toggle plate is provided at one end of the two groups of fixed rods. A screening bucket and a guide bucket are provided in the grinding box, and second discharge ports are opened on both side surfaces of the grinding box. U-shaped guides are provided on both side surfaces of the grinding box corresponding to the second discharge ports. A recovery box is provided at the lower end of the grinding box, and reinforcing ribs are provided at the front and rear ends of the grinding box. Two baffles are symmetrically provided at the upper end of the recovery box, and a first recovery box and two second recovery boxes are provided in the recovery box, and handles are provided at the front ends of the first recovery box and the two second recovery boxes.
[0010] Preferably, the feed hopper is welded to the upper end of the crushing box, the two guide plates are symmetrically welded to the inner surfaces on both sides of the crushing box, the support rod is welded to the lower end of the crushing box, the grinding box is welded to the lower end of the support rod, the two L-shaped fixing plates are respectively welded to the surfaces on both sides of the grinding box, the two first servo motors are respectively detachably connected to one end of the two L-shaped fixing plates, and the two first servo motors rotate in opposite directions and have the same speed.
[0011] Preferably, a coupling is provided at the output end of the first servo motor, and the output end of the first servo motor passes through the L-shaped fixing plate and is detachably connected to the worm, and the two second bearing seats are respectively welded to the two side surfaces of the grinding box, and the worm wheel is meshed with the worm, and the worm wheel is welded to the outer surface of the first rotating rod, and the first rotating rod is rotatably connected to the second bearing seat.
[0012] Preferably, the first gear is welded to the outer surface of the first rotating rod, the transmission toothed belt is meshed with the outer surface of the first gear, the inner surface of the other end of the transmission toothed belt is meshed with the surface of the second gear, the second gear is welded to the outer surface of the second rotating rod, the rear end of the second rotating rod passes through the crushing box and is welded to the crushing roller, the two crushing rollers are meshed with each other, the screening plate is welded in the crushing box, and the two discharge channels are welded to the lower end of the crushing box.
[0013] Preferably, the two connecting pieces are respectively welded to the two side surfaces of the crushing box, the lifting cylinder is welded inside the connecting pieces, the material discharge channel is welded between the crushing box and the lifting cylinder, and the crushing box and the lifting cylinder are connected through the material discharge channel.
[0014] Preferably, the second servo motor is detachably connected to the top of the lifting cylinder, a coupling is provided at the output end of the second servo motor, the output end of the second servo motor passes through the lifting cylinder and is detachably connected to the screw rod through the coupling, and the first discharge port is welded to one side of the lifting cylinder.
[0015] Preferably, the two first bearing seats are respectively welded to the two side surfaces of the grinding box, the worm is rotatably connected to the first bearing seat, one end of the worm passes through the first bearing seat and is welded with a grinding roller to the grinding box, the third servo motor is detachably connected to the top of the grinding box, the output end of the third servo motor is provided with a coupling, the output end of the third servo motor passes through the grinding box and is detachably connected to the third rotating rod through the arranged coupling, and the rotating disk is welded to the outer surface of the third rotating rod.
[0016] Preferably, the two groups of fixed rods are welded to the outer surface of the third rotating rod, the toggle plate is welded to one end of the fixed rod, the screening bucket and the guide bucket are welded in the grinding box, the toggle plate is fitted with the inner surface of the screening bucket, and the screening bucket is welded to the upper end of the guide bucket.
[0017] Preferably, the two U-shaped guides are respectively welded to the two side surfaces of the grinding box, the recovery box is welded to the lower end of the grinding box and is connected to the inside of the grinding box, one end of the two reinforcing ribs are respectively welded to the front and rear ends of the grinding box, the lower ends of the two reinforcing ribs are welded to the upper end of the recovery box, the two baffles are symmetrically welded to the upper end of the recovery box, the first recovery box and the two second recovery boxes are all inserted into the recovery box, and the multiple handles are respectively welded to the front ends of the first recovery box and the two second recovery boxes.
[0018] Compared with the prior art, the present invention has the following beneficial effects:
[0019] 1. The grinding device for silicon powder processing with a graded recovery structure has two first servo motors that rotate in opposite directions and at the same speed. Therefore, when the two first servo motors drive the worm to rotate, the worm wheel meshing with the worm can be driven to rotate, thereby driving the first rotating rod and the first gear to rotate. The first gear drives the second gear and the second rotating rod to rotate through the transmission belt, thereby driving the crushing rollers at the rear ends of the two second rotating rods to rotate. Here, the two crushing rollers rotate in opposite directions. This design can efficiently crush the silicon powder raw material, making the silicon powder particles more uniform and fine, thereby laying a good foundation for the subsequent grinding process, significantly improving the grinding efficiency of the silicon powder, thereby improving the processing efficiency of the silicon powder, and has high practicality.
[0020] 2. The grinding device for silicon powder processing with a graded recovery structure can screen the crushed silicon powder raw materials through the arranged screening plates, and then screen out the incompletely crushed silicon powder raw materials, and then drop them into the lifting cylinder through the discharging channel and rotate the spiral rod driven by the second servo motor to lift these silicon powder raw materials, and then lift them to the first discharging port and discharge them through the first discharging port and feed them into the feed hopper for secondary crushing. After the secondary crushing process, the particle size distribution of the silicon powder can be more concentrated in the required range, and the particles with large particle size differences can be effectively reduced, so that the physical and chemical properties of the products are more consistent. At the same time, the effective use of incompletely crushed raw materials can reduce the procurement cost of raw materials while ensuring the output, thereby improving the economic benefits of the enterprise.
[0021] 3. The grinding device for silicon powder processing with a graded recovery structure drives the third rotating rod to rotate through the third servo motor, thereby driving the rotating disk to rotate. After crushing and screening, the silicon powder is discharged from the discharge channel and falls onto the surface of the rotating disk, rotating with the rotating disk. At the same time, the first servo motor drives the worm to rotate, driving the grinding roller at the other end of the worm to rotate synchronously. The grinding roller grinds the silicon powder on the surface of the rotating disk when rotating, and the centrifugal force generated by the rotating disk during rotation will cause the silicon powder to gradually move to the edge, so that the grinding of the silicon powder can be completed efficiently, and the practicality is high.
[0022] 4. The grinding device for silicon powder processing with a graded recovery structure will drive two sets of fixed rods to rotate when the third servo motor drives the third rotating rod to rotate, and then drive two toggle plates to rotate. After the silicon powder is ground, it falls into the screening bucket. At this time, the rotating toggle plate will toggle the silicon powder to promote screening. Among them, silicon powder with relatively small particle size can pass through the screening bucket, first fall to the surface of the guide bucket, and then be discharged through the second discharge port, and under the guidance of the U-shaped guide, finally fall into the second recovery box for recovery. On the contrary, silicon powder with larger particle size cannot pass through the screening bucket, and gradually falls under the continuous toggle of the toggle plate, enters the guide bucket, and then falls into the first recovery box for recovery. In this way, the graded recovery of silicon powder after grinding is completed, which is highly practical. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 It is a schematic diagram of the overall structure of the present invention;
[0024] Figure 2 It is a schematic diagram of the internal structure of the crushing box of the present invention;
[0025] Figure 3 It is a schematic diagram of the internal structure of the lifting cylinder of the present invention;
[0026] Figure 4It is a schematic diagram of the grinding box structure of the present invention;
[0027] Figure 5 It is a schematic diagram of the internal structure of the grinding box of the present invention;
[0028] Figure 6 The present invention Figure 5 Schematic diagram of the structure at A in the middle;
[0029] Figure 7 It is a schematic diagram of the structure of the crushing roller and grinding roller driving device of the present invention;
[0030] Figure 8 It is a schematic diagram of the structure of the rotating disk and the toggle plate rotating device of the present invention.
[0031] In the figure: 1. crushing box; 2. feed hopper; 3. guide plate; 4. support rod; 5. grinding box; 6. L-shaped fixing plate; 7. first servo motor; 8. first bearing seat; 9. worm; 10. worm wheel; 11. first rotating rod; 12. second bearing seat; 13. first gear; 14. transmission toothed belt; 15. second gear; 16. second rotating rod; 17. crushing roller; 18. screening plate; 19. discharge channel; 20. connecting piece; 21. lifting cylinder; 22. Feeding channel; 23. Second servo motor; 24. Screw rod; 25. First discharge port; 26. Grinding roller; 27. Third servo motor; 28. Third rotating rod; 29. Rotating plate; 30. Fixed rod; 31. Toggle plate; 32. Screening bucket; 33. Guide bucket; 34. Second discharge port; 35. U-shaped guide; 36. Recovery box; 37. Reinforcement rib; 38. Baffle; 39. First recovery box; 40. Second recovery box; 41. Handle. DETAILED DESCRIPTION
[0032] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.
[0033] Embodiment 1, as Figure 1 , Figure 2 , Figure 4 , Figure 6 , Figure 7As shown, a grinding device for silicon powder processing with a graded recovery structure comprises a crushing box 1, a feed hopper 2 is welded on the upper end of the crushing box 1, guide plates 3 are symmetrically welded on the inner surfaces of both sides of the crushing box 1, a support rod 4 is welded on the lower end of the crushing box 1, a grinding box 5 is welded on the lower end of the support rod 4, L-shaped fixing plates 6 are symmetrically welded on the surfaces of both sides of the grinding box 5, a first servo motor 7 is detachably connected to one side of the L-shaped fixing plate 6, first bearing seats 8 are also symmetrically welded on the surfaces of both sides of the grinding box 5, an output end of the first servo motor 7 passes through the L-shaped fixing plate 6 and is provided with a worm 9, the worm 9 It is rotatably connected to the first bearing seat 8, a worm wheel 10 is meshed above the worm 9, a first rotating rod 11 is welded inside the worm wheel 10, second bearing seats 12 are symmetrically welded on both side surfaces of the grinding box 5, the first rotating rod 11 is rotatably connected to the second bearing seat 12, a first gear 13 is welded on the outer surface of the first rotating rod 11, a transmission belt 14 is meshed on the outer surface of the first gear 13, a second gear 15 is meshed on the inner surface of the other end of the transmission belt 14, a second rotating rod 16 is welded inside the second gear 15, and a crushing roller 17 is welded on the rear end of the second rotating rod 16 through the crushing box 1.
[0034] Since the two first servo motors 7 rotate in opposite directions and have the same speed, the two first servo motors 7 drive the worm 9 to rotate, which can drive the worm wheel 10 meshing with the worm 9 to rotate, and then drive the first rotating rod 11 and the first gear 13 to rotate. The first gear 13 drives the second gear 15 and the second rotating rod 16 to rotate through the transmission belt 14, and then drives the crushing rollers 17 at the rear ends of the two second rotating rods 16 to rotate. Here, the two crushing rollers 17 rotate in opposite directions. This design can efficiently crush the silicon powder raw material, making the silicon powder particles more uniform and fine, thereby laying a good foundation for the subsequent grinding process, significantly improving the grinding efficiency of the silicon powder, and thus improving the processing efficiency of the silicon powder.
[0035] Embodiment 2, as Figure 1-Figure 3 As shown, a grinding device for silicon powder processing with a graded recovery structure is provided, wherein a screening plate 18 is welded inside a crushing box 1, two discharge channels 19 are welded at the lower end of the crushing box 1, connectors 20 are welded on both side surfaces of the crushing box 1, a lifting cylinder 21 is welded inside the connector 20, a discharge channel 22 is welded between the crushing box 1 and the lifting cylinder 21, the crushing box 1 and the lifting cylinder 21 are connected through the discharge channel 22, a second servo motor 23 is detachably connected to the top of the lifting cylinder 21, an output end of the second servo motor 23 passes through the lifting cylinder 21 and is detachably connected to a screw rod 24 through a coupling, and a first discharge port 25 is welded on the left side of the lifting cylinder 21.
[0036] The crushed silicon powder raw material can be screened by the arranged screening plate 18, and then the incompletely crushed silicon powder raw material is screened out, and then it falls into the lifting cylinder 21 through the discharge channel 22, and then the second servo motor 23 drives the screw rod 24 to rotate, so that these silicon powder raw materials can be lifted, and then they are lifted to the first discharge port 25 and discharged through the first discharge port 25 and fed into the feed hopper 2 for secondary crushing. After the secondary crushing process, the particle size distribution of the silicon powder can be more concentrated in the required range, and the particles with large particle size differences can be effectively reduced, so that the physical and chemical properties of the product are more consistent. At the same time, the effective use of incompletely crushed raw materials can reduce the procurement cost of raw materials while ensuring the output, thereby improving the economic benefits of the enterprise.
[0037] Embodiment three, as Figure 1 , Figure 4 , Figure 5 , Figure 6 , Figure 8 As shown, a grinding device for silicon powder processing with a graded recovery structure, the other end of the worm 9 passes through the first bearing seat 8 and is welded with a grinding roller 26 to the grinding box 5, the worm 9 is rotatably connected to the first bearing seat 8, the upper end of the grinding box 5 is detachably connected to a third servo motor 27, the output end of the third servo motor 27 passes through the grinding box 5 and is detachably connected to a third rotating rod 28 through a coupling, and a rotating disk 29 is welded to the outer surface of the third rotating rod 28.
[0038] The third servo motor 27 is provided to drive the third rotating rod 28 to rotate, thereby driving the rotating disk 29 to rotate. After being crushed and screened, the silicon powder is discharged from the discharge channel 19 and falls onto the surface of the rotating disk 29, and rotates with the rotating disk 29. At the same time, the first servo motor 7 drives the worm 9 to rotate, driving the grinding roller 26 at the other end of the worm 9 to rotate synchronously. The grinding roller 26 grinds the silicon powder on the surface of the rotating disk 29 when rotating, and the centrifugal force generated by the rotating disk 29 during rotation will cause the silicon powder to gradually move to the edge, so that the grinding process of the silicon powder can be completed efficiently.
[0039] Embodiment 4, as Figure 1 , Figure 4 , Figure 5 , Figure 8As shown, a grinding device for silicon powder processing with a graded recovery structure is shown, two groups of fixed rods 30 are welded to the outer surface of the third rotating rod 28, and a toggle plate 31 is welded to one end of the two groups of fixed rods 30, a screening bucket 32 and a guide bucket 33 are welded in the grinding box 5, the toggle plate 31 is fitted with the inner surface of the screening bucket 32, second discharge ports 34 are opened on both side surfaces of the grinding box 5, U-shaped guides 35 are welded on both side surfaces of the grinding box 5 corresponding to the second discharge ports 34, a recovery box 36 is welded to the lower end of the grinding box 5, reinforcing ribs 37 are welded to the front and rear ends of the grinding box 5, two baffles 38 are symmetrically welded to the upper end of the recovery box 36, a first recovery box 39 and two second recovery boxes 40 are inserted into the recovery box 36, and handles 41 are provided at the front ends of the first recovery box 39 and the two second recovery boxes 40.
[0040] When the third servo motor 27 drives the third rotating rod 28 to rotate, it will drive the two sets of fixed rods 30 to rotate, and then drive the two toggle plates 31 to rotate. After the silicon powder is ground, it falls into the screening bucket 32. At this time, the rotating toggle plate 31 will toggle the silicon powder to promote screening. Among them, silicon powder with relatively small particle size can pass through the screening bucket 32, first fall to the surface of the guide bucket 33, and then be discharged through the second discharge port 34. Under the guidance of the U-shaped guide 35, it finally falls into the second recovery box 40 for recovery. On the contrary, silicon powder with larger particle size cannot pass through the screening bucket 32. Under the continuous toggle of the toggle plate 31, it gradually falls, enters the guide bucket 33, and then falls into the first recovery box 39 for recovery. In this way, the graded recovery of silicon powder after grinding is completed.
[0041] It should be noted that the present invention is a grinding device for silicon powder processing with a graded recovery structure. When in use, the first servo motor 7 is driven to drive the worm 9 to rotate. At this time, the worm 9 will drive the worm wheel 10 meshing with it to rotate, and the worm wheel 10 will drive the first rotating rod 11 and the first gear 13 to rotate. When the first gear 13 rotates, it will drive the second gear 15 and the second rotating rod 16 to rotate through the transmission belt 14. The second rotating rod 16 drives the crushing roller 17 to rotate. At this time, the silicon powder raw material is fed through the feed hopper 2, and then guided by the two guide plates 3, it will fall between the two crushing rollers 17. When the two crushing rollers 17 rotate, the silicon powder raw material will be preliminarily crushed.
[0042] After the crushed silicon powder raw material falls onto the surface of the screening plate 18, it will be screened. The silicon powder that meets the crushing standards will pass through the screening plate 18 and fall through the discharge channel 19 into the grinding box 5 for subsequent grinding processing. On the contrary, the incompletely crushed silicon powder cannot pass through the screening plate 18. Since the screening plate 18 is set to an inclined shape, the incompletely crushed silicon powder will slide to both sides, and then slide into the two lifting cylinders 21 through the discharge channel 22. At this time, the second servo motor 23 drives the screw rod 24 to rotate to lift the silicon powder at the bottom of the lifting cylinder 21. After being lifted to the height of the first discharge port 25, it is discharged from the first discharge port 25, and then fed through the feed hopper 2 for secondary crushing processing. After the secondary crushing processing, the particle size distribution of the silicon powder can be more concentrated in the required range, which can effectively reduce particles with large particle size differences.
[0043] The crushed silicon powder is discharged into the grinding box 5 through the discharge channel 19 and then falls to the surface of the rotating disk 29. At this time, the third servo motor 27 drives the third rotating rod 28 to rotate, which can drive the rotating disk 29 to rotate. When the rotating disk 29 rotates, it will drive the silicon powder on its surface to rotate. At the same time, under the action of centrifugal force, the silicon powder will gradually move to the edge. At the same time, when the first servo motor 7 drives the worm 9 to rotate, it will drive the grinding roller 26 to rotate. When the silicon powder and the rotating disk 29 rotate, the grinding roller 26 will grind the silicon powder on the surface of the rotating disk 29.
[0044] The ground silicon powder will fall onto the surface of the screening bucket 32 after moving to the edge position. Here, the third servo motor 27 will drive the two sets of rotating fixed rods 30 and the two toggle plates 31 to rotate when driving the third rotating rod 28 to rotate. The rotating toggle plates 31 will toggle the silicon powder to promote screening. At this time, silicon powder with relatively small particle size will pass through the screening bucket 32, and then fall onto the surface of the guide bucket 33 first, and then be discharged through the second discharge port 34. Under the guidance of the U-shaped guide 35, it will finally fall into the second recovery box 40 for recovery. On the contrary, silicon powder with relatively large particle size cannot pass through the screening bucket 32, and gradually falls under the continuous toggle of the toggle plate 31. After entering the guide bucket 33, it falls into the first recovery box 39 for recovery. In this way, the graded recovery process of the silicon powder is completed.
[0045] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.
Claims
1. A grinding device for silicon powder processing with a graded recovery structure, comprising a crushing box (1), characterized in that: A feed hopper (2) is arranged at the upper end of the crushing box (1), guide plates (3) are symmetrically arranged on the inner surfaces of both sides of the crushing box (1), a support rod (4) is arranged at the lower end of the crushing box (1), a grinding box (5) is arranged at the lower end of the support rod (4), L-shaped fixing plates (6) are symmetrically arranged on the surfaces of both sides of the grinding box (5), a first servo motor (7) is arranged on one side of the L-shaped fixing plate (6), and first bearing seats (8) are also symmetrically arranged on the surfaces of both sides of the grinding box (5), a worm (9) is arranged at the output end of the first servo motor (7) passing through the L-shaped fixing plate (6), a worm wheel (10) is arranged above the worm wheel (10), and the worm wheel (10) is arranged on the upper side of the worm wheel (10). 0) is provided with a first rotating rod (11), second bearing seats (12) are symmetrically provided on both side surfaces of the grinding box (5), a first gear (13) is provided on the outer surface of the first rotating rod (11), a transmission toothed belt (14) is provided on the outer surface of the first gear (13), a second gear (15) is provided on the inner surface of the other end of the transmission toothed belt (14), a second rotating rod (16) is provided in the second gear (15), a crushing roller (17) is provided at the rear end of the second rotating rod (16) passing through the crushing box (1), a screening plate (18) is provided in the crushing box (1), and two discharge channels (19) are provided at the lower end of the crushing box (1); Connecting pieces (20) are provided on both sides of the crushing box (1), a lifting cylinder (21) is provided inside the connecting piece (20), a material discharge channel (22) is provided between the crushing box (1) and the lifting cylinder (21), a second servo motor (23) is provided on the top of the lifting cylinder (21), a screw rod (24) is provided at the output end of the second servo motor (23) passing through the lifting cylinder (21), and a first material discharge port (25) is provided on the left side of the lifting cylinder (21); The other end of the worm (9) passes through the first bearing seat (8) and the grinding box (5) and is provided with a grinding roller (26); the upper end of the grinding box (5) is provided with a third servo motor (27); the output end of the third servo motor (27) passes through the grinding box (5) and is provided with a third rotating rod (28); the outer surface of the third rotating rod (28) is provided with a rotating disk (29); The outer surface of the third rotating rod (28) is also provided with two groups of fixed rods (30), and one end of the two groups of fixed rods (30) is provided with a toggle plate (31). The grinding box (5) is provided with a screening bucket (32) and a guide bucket (33). The two side surfaces of the grinding box (5) are provided with a second discharge port (34). The two side surfaces of the grinding box (5) are provided with U-shaped guides (35) at the positions corresponding to the second discharge port (34). The lower end of the grinding box (5) is provided with a recovery box (36), and the front and rear ends of the grinding box (5) are provided with reinforcing ribs (37). The upper end of the recovery box (36) is symmetrically provided with two baffles (38). The recovery box (36) is provided with a first recovery box (39) and two second recovery boxes (40), and the front ends of the first recovery box (39) and the two second recovery boxes (40) are provided with handles (41).
2. The grinding device for silicon powder processing with a graded recovery structure according to claim 1, characterized in that: The feed hopper (2) is welded to the upper end of the crushing box (1), the two guide plates (3) are symmetrically welded to the inner surfaces of both sides of the crushing box (1), the support rod (4) is welded to the lower end of the crushing box (1), the grinding box (5) is welded to the lower end of the support rod (4), the two L-shaped fixing plates (6) are respectively welded to the surfaces of both sides of the grinding box (5), the two first servo motors (7) are respectively detachably connected to one end of the two L-shaped fixing plates (6), and the two first servo motors (7) rotate in opposite directions and have the same rotation speed.
3. The grinding device for silicon powder processing with a graded recovery structure according to claim 1, characterized in that: A coupling is provided at the output end of the first servo motor (7), the output end of the first servo motor (7) passes through the L-shaped fixing plate (6) and is detachably connected to the worm (9), the two second bearing seats (12) are respectively welded to the two side surfaces of the grinding box (5), the worm wheel (10) is meshed with the worm (9), the worm wheel (10) is welded to the outer surface of the first rotating rod (11), and the first rotating rod (11) is rotatably connected to the second bearing seat (12).
4. The grinding device for silicon powder processing with a graded recovery structure according to claim 1, characterized in that: The first gear (13) is welded to the outer surface of the first rotating rod (11), the transmission toothed belt (14) is meshed with the outer surface of the first gear (13), the inner surface of the other end of the transmission toothed belt (14) is meshed with the surface of the second gear (15), the second gear (15) is welded to the outer surface of the second rotating rod (16), the rear end of the second rotating rod (16) passes through the crushing box (1) and is welded to the crushing roller (17), the two crushing rollers (17) are meshed with each other, the screening plate (18) is welded in the crushing box (1), and the two discharge channels (19) are welded to the lower end of the crushing box (1).
5. The grinding device for silicon powder processing with a graded recovery structure according to claim 1, characterized in that: The two connecting pieces (20) are respectively welded to the surfaces of both sides of the crushing box (1); the lifting cylinder (21) is welded inside the connecting piece (20); the material discharge channel (22) is welded between the crushing box (1) and the lifting cylinder (21); and the crushing box (1) and the lifting cylinder (21) are connected via the material discharge channel (22).
6. The grinding device for silicon powder processing with a graded recovery structure according to claim 1, characterized in that: The second servo motor (23) is detachably connected to the top of the lifting cylinder (21); a coupling is provided at the output end of the second servo motor (23); the output end of the second servo motor (23) passes through the lifting cylinder (21) and is detachably connected to the screw rod (24) via the provided coupling; and the first discharge port (25) is welded to one side of the lifting cylinder (21).
7. The grinding device for silicon powder processing with a graded recovery structure according to claim 1, characterized in that: The two first bearing seats (8) are respectively welded to the two side surfaces of the grinding box (5); the worm (9) is rotatably connected to the first bearing seat (8); one end of the worm (9) passes through the first bearing seat (8) and is welded with a grinding roller (26) to the grinding box (5); the third servo motor (27) is detachably connected to the top of the grinding box (5); a coupling is provided at the output end of the third servo motor (27); the output end of the third servo motor (27) passes through the grinding box (5) and is detachably connected to the third rotating rod (28) through the provided coupling; the rotating disk (29) is welded to the outer surface of the third rotating rod (28).
8. The grinding device for silicon powder processing with a graded recovery structure according to claim 1, characterized in that: The two groups of fixed rods (30) are welded to the outer surface of the third rotating rod (28), the toggle plate (31) is welded to one end of the fixed rod (30), the screening bucket (32) and the guide bucket (33) are welded in the grinding box (5), the toggle plate (31) is in contact with the inner surface of the screening bucket (32), and the screening bucket (32) is welded to the upper end of the guide bucket (33).
9. The grinding device for silicon powder processing with a graded recovery structure according to claim 1, characterized in that: The two U-shaped guides (35) are respectively welded to the two side surfaces of the grinding box (5); the recovery box (36) is welded to the lower end of the grinding box (5) and is connected to the inside of the grinding box (5); one end of the two reinforcing ribs (37) are respectively welded to the front and rear ends of the grinding box (5); the lower ends of the two reinforcing ribs (37) are welded to the upper end of the recovery box (36); the two baffles (38) are symmetrically welded to the upper end of the recovery box (36); the first recovery box (39) and the two second recovery boxes (40) are all inserted into the recovery box (36); and the plurality of handles (41) are respectively welded to the front ends of the first recovery box (39) and the two second recovery boxes (40).