Grinding device capable of automatically changing bowls and automatically cleaning

Abstract

The invention relates to the technical field of grinding devices, in particular to an automatic bowl changing and cleaning grinding device which comprises a multi-station circular frame body, a limiting base is fixedly connected to the top of a center circular plate, a plurality of plane springs distributed in a circumferential array are fixedly connected between the center circular plate and a hollow bearing plate, and a bowl body is installed at the top of the limiting base. And a plurality of grinding balls are placed in the bowl body. Through five-station annular layout and turnover oscillation linkage, integrated operation of grinding, discharging, cleaning and bowl changing is achieved, a grinding motor is used for driving a bowl body to do elliptical oscillation, a vibration mechanism is linked through inversion and elliptical motion to achieve jolting of a filter screen, and it is ensured that materials are recycled without residues; in-situ dynamic mechanical scrubbing of the grinding ball and the bowl body is realized at the cleaning station, so that the problem of synchronous cleaning of the grinding medium and the bowl body is thoroughly solved; and through cooperation of the circular ring sliding rail and the rotating ring on the outer side, posture switching and station circulation of the bowl body are automatically completed, and continuous automatic grinding operation without cross contamination is achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of grinding device, and in particular to a grinding device capable of automatically replacing bowls and automatically cleaning. BACKGROUND

[0002] In the fields of material science, pharmacy, chemical industry and geological analysis, it is essential to finely grind samples using bowls and grinding media. With the increasing requirements for experimental efficiency, data reproducibility and operational safety, the market demand for automated grinding equipment is growing. However, existing technical solutions still have some problems in achieving continuous, cross-contamination-free batch processing: 1. The complete sample processing flow (grinding-discharging-cleaning-drying-ready for use) is divided into multiple discrete links and highly dependent on manual operation. The operator must repeatedly perform steps such as opening the cover, pouring, brushing, wiping, and recharging, resulting in low overall efficiency; 2. Simple spraying or soaking cleaning of the grinding balls cannot effectively clean the surfaces of the closely contacted grinding balls and the adhesives between the balls and the bowl, and the residual trace amount of sample can easily cause cross-contamination of subsequent batches; 3. The existing equipment has a simple dumping or knocking mechanism, and the discharging efficiency is low; 4. It cannot achieve rapid replacement of the bowl while efficiently cleaning the used bowl. Therefore, a grinding device capable of automatically replacing bowls and automatically cleaning is proposed to solve the above problems. SUMMARY

[0003] The purpose of the present application is to solve the problems in the background art and propose a grinding device capable of automatically replacing bowls and automatically cleaning.

[0004] To achieve the above purpose, the present application adopts the following technical solutions: A grinding device capable of automatically replacing bowls and automatically cleaning, comprising: A multi-station circular frame body, an inner ring frame is fixedly connected to the inner side of the multi-station circular frame body, and a circular ring slide rail is fixedly connected to the top outer edge of the inner ring frame; A center driving assembly, comprising a height adjustment slide, an intermittent rotation motor and a center pentagonal connecting block, the height adjustment slide is fixedly connected to one side of the inner ring frame close to the center, and the intermittent rotation motor is fixedly connected to one side of the height adjustment slide close to the center to drive the center pentagonal connecting block to rotate; A plurality of bearing units are installed circumferentially on the center pentagonal connecting block, each bearing unit comprises a rotating gear, an inner edge mounting rod and a hollow bearing plate, the rotating gear is rotatably connected to the center pentagonal connecting block, one end of the inner edge mounting rod is fixedly connected to the rotating gear, and the other end is fixedly connected to the hollow bearing plate; A lifting and overturning driving member is installed between the bearing unit and the center driving assembly for driving the bearing unit to lift and overturn around the inner edge mounting rod axis; The linkage control assembly comprises an outer rotating ring, a translation ring and a transmission member, the outer rotating ring is slidably connected with the ring rail, the translation ring is rotatably connected with the outer rotating ring, the inner side of the translation ring is slidably connected with the inner edge mounting rod, and the transmission member is driven by the translation ring.

[0005] Preferably, the bottom of the hollow bearing plate is fixedly connected with a bottom cover, the inside of the bottom cover is fixedly connected with a grinding motor, the output shaft of the grinding motor is fixedly connected with an eccentric shaft, the top of the eccentric shaft is fixedly connected with a central circular plate, the top of the central circular plate is fixedly connected with a limiting base, the limiting base is mounted with a bowl body, a plurality of grinding balls are placed in the bowl body, a waterproof elastic cloth is fixedly connected between the limiting base and the hollow bearing plate, and a plurality of circumferentially arranged planar springs are fixedly connected between the central circular plate and the hollow bearing plate.

[0006] Preferably, the lifting and overturning driving member comprises a driving rack one engaged with the rotating gear, the driving rack one is slidably connected with the central five-angle connecting block through a sliding rail, and the bottom of the driving rack one is slidably connected with the height adjusting sliding bracket through a sliding rod.

[0007] Preferably, the transmission member comprises a first sliding rod and a driving rack two, the outer wall of the driving rack two is engaged with a pinion, the top of the pinion is fixedly connected with a threaded rod, the pinion is rotatably connected with the hollow bearing plate, a circular sliding groove is formed in the outer rotating ring, the first sliding rod is slidably connected with the circular sliding groove, the end of the first sliding rod away from the outer rotating ring is fixedly connected with a connecting plate one, the driving rack two is fixedly connected with the bottom of the connecting plate one, and the driving rack two is slidably connected with the hollow bearing plate through a sliding rail.

[0008] Preferably, a displacement connecting plate is threadedly connected with the threaded rod, the end of the displacement connecting plate away from the threaded rod is fixedly connected with an open rectangular sliding seat, the bottom of the open rectangular sliding seat is slidably connected with a limiting sliding rod frame through a sliding block, the limiting sliding rod frame is fixedly connected with the hollow bearing plate, the inside of the open rectangular sliding seat is rotatably connected with an open rectangular sliding seat, the outer wall of the first rotating shaft is fixedly connected with a filter screen connecting rod, a U-shaped frame is arranged on the outer side of the limiting sliding rod frame, the U-shaped frame is fixedly connected with the top of the limiting base, an outer sliding rod is slidably connected with the outer side of the filter screen connecting rod, the top of the outer sliding rod is fixedly connected with a filter screen frame, a second spring is fixedly connected between the filter screen connecting rod and the outer sliding rod, and a supporting corner frame is fixedly connected with the side of the outer sliding rod away from the filter screen frame.

[0009] Preferably, a plurality of partition plates are fixedly connected with the inner side wall of the multi-station circular frame body, so that the multi-station circular frame body is equally divided into a plurality of independent sub-chambers, the number of the sub-chambers is five, and the sub-chambers are sequentially defined as a first station, a second station, a third station, a fourth station and a fifth station in a circumferential direction, wherein no partition plate is arranged between the sub-chambers corresponding to the third station and the fourth station, and the two stations jointly form a continuous area.

[0010] Preferably, a vibration mechanism is installed at the second and fifth workstations, including a mounting block, which is fixedly connected to the inner ring frame. A push rod is slidably connected to the inner side of the inner ring frame. An internal spring is fixedly connected between the push rod and the mounting block. A drive slide rod is fixedly connected to the bottom of the push rod. A threaded rotating shaft is slidably connected to the outer wall of the drive slide rod. The threaded rotating shaft is rotatably connected to the mounting block. A cam is fixedly connected to the other end of the threaded rotating shaft.

[0011] Preferably, two water pipes are installed at the third and fourth workstations respectively, and the water pipes are fixed to the multi-workstation circular frame through connecting plates.

[0012] Preferably, an outer edge slide is fixedly connected to the outer side of the hollow bearing plate. The outer edge slide is slidably connected to the top of the multi-station circular frame through a slide groove. A bearing cylinder is fixedly connected to the outer wall of the inner edge mounting rod. The bearing cylinder is placed on the inner ring frame. The inner ring frame and the outer edge slide provide support for the hollow bearing plate.

[0013] Compared with existing technologies, the advantages of this invention are as follows: This invention utilizes a reusable grinding motor drive, coupled with a vibration mechanism at the second station. Through the triple action of inversion, elliptical oscillation, and filter screen beating, the inverted state allows gravity to naturally assist in material feeding, the elliptical oscillation causes residual powder to peel off from the inner wall and grinding balls, and the high-frequency vertical shaking of the filter screen frame further shakes off adhering particles. This effectively overcomes the adhesion problems caused by static electricity and humidity, reducing losses.

[0014] The washing station drives the bowl and grinding balls to oscillate in an elliptical trajectory, creating a dynamic mechanical scrubbing effect. This completely solves the cleaning problem between the grinding balls and the contact surfaces between the balls and the inner wall of the bowl. Combined with the counter-current flushing of the reverse water pipe, it ensures that there is absolutely no cross-contamination between batches.

[0015] The fifth station's air-drying and vibration mechanism can complete the cleaning and drying of the grinding media and the grinding bowl in a very short time, allowing them to be quickly put into the next batch of work, significantly improving overall processing efficiency. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural schematic diagram of the present invention; Figure 2 This is the present invention. Figure 1 Schematic diagram of the structure at point A in the middle; Figure 3 This is the present invention. Figure 1 Schematic diagram of the structure at point B; Figure 4 This is a schematic diagram of the shape and structure of the circular slide rail of the present invention; Figure 5 This is the present invention. Figure 4 Schematic diagram of the structure at point C; Figure 6 This is the present invention.Figure 4 Schematic diagram of the structure at point D; Figure 7 This is a schematic diagram of the structure of the limiting base of the present invention; Figure 8 This is the present invention. Figure 7 Schematic diagram of the structure at point E in the middle; Figure 9 This is a schematic diagram of the internal structure of the hollow bearing plate in this invention; Figure 10 This is a schematic diagram of the internal structure of the multi-station circular frame of the present invention.

[0017] In the diagram: 1. Multi-station circular frame; 2. Elastic waterproof cloth; 3. Water pipe; 4. Outer edge slide; 5. Circular slide rail; 6. Hollow bearing plate; 7. Bowl; 8. Filter screen frame; 9. Inner edge mounting rod; 10. Base cover; 11. Bearing cylinder; 12. Inner ring frame; 13. Displacement connecting plate; 14. Filter screen connecting rod; 15. First rotating shaft; 16. Open rectangular slide; 17. Limiting slide rod frame; 18. U-shaped frame; 19. Translation ring; 20. Outer rotating ring; 21. First slide rod; 22. Connecting plate one; 23. Circular 24. Slide rail; 25. Threaded rod; 26. Support bracket; 27. Outer slide rod; 28. Plane spring; 29. ​​Drive rack two; 30. Height adjustment slide; 31. Eccentric shaft; 32. Grinding motor; 33. Intermittent rotation motor; 34. Central pentagonal connecting block; 35. Small gear; 36. Rotating gear; 37. Drive rack one; 38. Limiting base; 39. Push rod; 40. Mounting block; 41. Internal spring; 42. Drive slide rod; 43. Threaded rotating shaft; 44. Cam; 45. Second spring; 46. Central circular plate. Detailed Implementation

[0018] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0019] In the description of this invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0020] Reference Figure 1 - Figure 10 A grinding device that automatically changes and cleans grinding bowls includes: A multi-station circular frame 1 has an inner ring frame 12 fixedly connected to its inner side, and a circular slide rail 5 is fixedly connected to the top outer edge of the inner ring frame 12. The central drive assembly includes a height-adjustable slide 29, an intermittent rotation motor 32, and a central pentagonal connecting block 33. The height-adjustable slide 29 is fixedly connected to the inner ring frame 12 near the center, and the intermittent rotation motor 32 is fixedly connected to the height-adjustable slide 29 near the center to drive the central pentagonal connecting block 33 to rotate. Multiple load-bearing units are circumferentially mounted on the central pentagonal connecting block 33. Each load-bearing unit includes a rotating gear 35, an inner edge mounting rod 9, and a hollow load-bearing plate 6. The rotating gear 35 is rotatably connected to the central pentagonal connecting block 33. One end of the inner edge mounting rod 9 is fixedly connected to the rotating gear 35, and the other end is fixedly connected to the hollow load-bearing plate 6. The lifting and tilting drive unit is installed between the load-bearing unit and the central drive assembly, and is used to drive the load-bearing unit to lift and tilt around the axis of the inner edge mounting rod 9; The linkage control component includes an outer rotating ring 20, a translational ring 19, and a transmission component. The outer rotating ring 20 is slidably connected to the ring slide rail 5, and the translational ring 19 is rotatably connected to the outer rotating ring 20. The inner side of the translational ring 19 is slidably connected to the inner edge mounting rod 9, and the transmission component is driven by the translational ring 19.

[0021] Several partitions are fixed to the inner wall of the multi-station circular frame 1, dividing the multi-station circular frame 1 into multiple independent sub-chambers. There are five sub-chambers, which are defined as the first station, the second station, the third station, the fourth station, and the fifth station in sequence along the circumference. There is no partition between the sub-chambers corresponding to the third station and the fourth station, and these two stations together form a continuous area.

[0022] This implementation plan first clarifies the specific location of each workstation, such as... Figure 10 As shown, the area corresponding to the only protrusion of the circular slide rail 5 is the first station - used for grinding. The counterclockwise positions are the second station - used for unloading, the third station, the fourth station - used for cleaning, and the fifth station - used for drying. The third and fourth stations are each equipped with two water pipes 3 in opposite directions.

[0023] At the first station, the material is placed into the bowl 7. After the lid of the bowl 7 is installed, the water pipe 3 starts to rotate. The position of the eccentric shaft 30 can drive the bowl 7 on the central circular plate 45 and the limiting base 37 to move in an elliptical trajectory, which greatly increases the collision probability and shear force between the grinding balls and the material, achieving efficient and uniform fine grinding, and promoting the internal grinding balls to fully grind the material in the bowl 7.

[0024] The lifting and tilting drive includes a drive rack 36 that meshes with the rotating gear 35. The drive rack 36 is slidably connected to the central pentagonal connecting block 33 via a slide rail. The bottom of the drive rack 36 is slidably connected to the height adjustment slide 29 via a slide rod.

[0025] The transmission components include a first slide rod 21 and a second drive rack 28. A pinion 34 meshes with the outer wall of the second drive rack 28. A threaded rod 24 is fixedly connected to the top of the pinion 34. The pinion 34 is rotatably connected to the hollow support plate 6. A circular groove 23 is provided on the outer rotating ring 20. The first slide rod 21 is slidably connected to the circular groove 23. A connecting plate 22 is fixedly connected to the end of the first slide rod 21 away from the outer rotating ring 20. The second drive rack 28 is fixedly connected to the bottom of the connecting plate 22. The second drive rack 28 is slidably connected to the hollow support plate 6 through a set slide rail.

[0026] A displacement connecting plate 13 is threaded onto the threaded rod 24. An open rectangular slide block 16 is fixedly connected to the end of the displacement connecting plate 13 away from the threaded rod 24. The bottom of the open rectangular slide block 16 is slidably connected to a limiting slide rod frame 17 via a slider. The limiting slide rod frame 17 is fixedly connected to the hollow bearing plate 6. An open rectangular slide block 16 is rotatably connected inside the open rectangular slide block 16. A filter screen connecting rod 14 is fixedly connected to the outer wall of the first rotating shaft 15. A U-shaped frame 18 is provided on the outer side of the limiting slide rod frame 17. The U-shaped frame 18 is fixedly connected to the top of the limiting base 37.

[0027] A bottom cover 10 is fixed to the bottom of the hollow support plate 6. A grinding motor 31 is fixed inside the bottom cover 10. An eccentric shaft 30 is fixed to the output shaft of the grinding motor 31. A central circular plate 45 is fixed to the top of the eccentric shaft 30. A limiting base 37 is fixed to the top of the central circular plate 45. A bowl 7 is installed on the top of the limiting base 37. Several grinding balls are placed inside the bowl 7. An elastic waterproof cloth 2 is fixed between the limiting base 37 and the hollow support plate 6. Several planar springs 27 arranged in a circular array are fixed between the central circular plate 45 and the hollow support plate 6.

[0028] In this embodiment, after grinding is completed, the grinding motor 31 stops rotating, the cover is removed, and the intermittent rotating motor 32 drives the inner edge mounting rod 9 and the hollow bearing plate 6 to rotate through the central pentagonal connecting block 33, rotating the ground bowl 7 to the second work position. During the rotation, the outer rotating ring 20 first slides down from the protrusion of the circular slide rail 5. The outer rotating ring 20 drives the translational ring 19 to move closer to the circle along the inner edge mounting rod 9, thereby driving the drive rack 28 to translate through the first slide rod 21 and the connecting plate 1 22, thereby driving the pinion 34 to rotate. Through the threaded rod 24 and the displacement connecting plate 13, the open rectangular slide 16 and the filter screen connecting rod 14 move down. As the open rectangular slide 16 moves down, the filter screen connecting rod 14 is obstructed by the limiting slide rod frame 17 and becomes vertical. That is to say, the limiting slide rod frame 17 is in close contact with the side wall of the filter screen connecting rod 14 to maintain the vertical state of the filter screen connecting rod 14.

[0029] The filter screen connecting rod 14 is slidably connected to an outer slide rod 26. A filter screen frame 8 is fixedly connected to the top of the outer slide rod 26. A second spring 44 is fixedly connected between the filter screen connecting rod 14 and the outer slide rod 26. A support bracket 25 is fixedly connected to the side of the outer slide rod 26 away from the filter screen frame 8. Vibration mechanisms are installed at the second and fifth workstations, including a mounting block 39. The mounting block 39 is fixedly connected to the inner ring frame 12. A push rod 38 is slidably connected to the inner side of the inner ring frame 12. An internal spring 40 is fixedly connected between the push rod 38 and the mounting block 39. A drive slide rod 41 is fixedly connected to the bottom of the push rod 38. A threaded rotating shaft 42 is slidably connected to the outer wall of the drive slide rod 41. The threaded rotating shaft 42 is rotatably connected to the mounting block 39. A cam 43 is fixedly connected to the other end of the threaded rotating shaft 42.

[0030] In this embodiment, when the filter frame 8 moves to the bottom of the threaded rod 24, it is pressed tightly against the top of the bowl 7. Then, the rack 36 is driven to move along the height adjustment slide 29 and rise, causing the rotating gear 35 to rotate half a turn. This flips the inner edge mounting rod 9 and all its parts half a turn, at which point the bowl 7 is inverted, allowing the ground powder to fall smoothly, but the grinding balls will not fall. The grinding motor 31 is activated, causing the central circular plate 45 and the limiting base 37 to move in an elliptical trajectory. The diameter of the filter frame 8 is larger than that of the bowl 7. Therefore, when the bowl 7 moves, it will not exceed the diameter of the filter screen frame 8. The U-shaped frame 18 installed on the limiting base 37 will periodically hit the push rod 38, causing the push rod 38 to reciprocate and extend, thereby driving the threaded rotating shaft 42 to reciprocate. As the threaded rotating shaft 42 rotates, the cam 43 will continuously abut against the support bracket 25, causing the support bracket 25 and the outer slide rod 26 to move up and down, causing the filter screen frame 8 to bounce and vibrate with the bowl 7, ensuring that the material falls through the filter screen frame 8 in full, and preventing the grinding material from adhering to the inner wall of the bowl 7.

[0031] Among them, two water pipes 3 are installed at the third and fourth workstations respectively, and the water pipes 3 are fixed to the multi-workstation circular frame 1 through the connecting plate.

[0032] The outer edge slide 4 is fixedly connected to the outer side of the hollow bearing plate 6. The outer edge slide 4 is slidably connected to the top of the multi-station circular frame 1 through a slide groove. The outer wall of the inner edge mounting rod 9 is fixedly connected to the bearing cylinder 11. The bearing cylinder 11 is placed on the inner ring frame 12. The inner ring frame 12 and the outer edge slide 4 provide support for the hollow bearing plate 6.

[0033] In this implementation scheme, after the material feeding is completed, the grinding motor 31 is turned off, and then the intermittent rotating motor 32 rotates to rotate the ground bowl 7 to the third station. At this time, the height adjustment slide 29 is lowered again, thereby causing the bowl 7 to be in an open-facing state. The water pipe 3 is turned on to inject water into the bowl 7. Then the grinding motor 31 is turned on again, causing the bowl 7 to shake. The grinding balls inside clean the inside of the bowl 7. At the same time, the shaking of the bowl 7 itself can also achieve internal cleaning. Then the intermittent rotating motor 32 rotates to move the hollow support plate 6 to the fourth station. The height adjustment slide 29 is raised within this range, and the bowl 7 is in an inverted state to drain the turbid water.

[0034] Then, the second water pipe 3 is turned on to flush the inside of the bowl 7 in a countercurrent manner, thoroughly removing residual stains and achieving simultaneous cleaning of the bowl 7, grinding balls, and filter frame 8. Subsequently, the intermittent rotating motor 32 rotates and moves the bowl 7 in an inverted state to the fifth station. The fifth station is equipped with a drying device, and the second set of vibration mechanisms can shake off water droplets during the drying process. After drying, the intermittent rotating motor 32 rotates and moves the bowl back to the first station. The height adjustment slide 29 descends within this range, and the opening of the bowl 7 faces upward. At the same time, the outer rotating ring 20 moves to the only protruding range of the circular slide rail 5. Through the outer rotating ring 20, the first slide rod 21 and the connecting plate 1 22 drive the hollow support plate 6, causing the drive rack 2 28 to drive the pinion 34 to rotate. Through this, the threaded rod 24 drives the displacement connecting plate 13 and the open rectangular slide 16 to move upward. When the first rotating shaft 15 is higher than the top of the limiting slide rod frame 17, the filter connecting rod 14 drives the outer slide rod 26 and the filter frame 8 to rotate. At this time, the new bowl 7 can continue to grind.

[0035] Working principle: First, clarify the specific location of each workstation, such as... Figure 10 As shown, the area corresponding to the only protrusion of the circular slide rail 5 is the first station - used for grinding. The counterclockwise positions are the second station - used for unloading, the third station, the fourth station - used for cleaning, and the fifth station - used for drying. The third and fourth stations are each equipped with two water pipes 3 in opposite directions.

[0036] At the first station, the material is placed into the bowl 7. After the lid of the bowl 7 is installed, the water pipe 3 starts to rotate. The position of the eccentric shaft 30 can drive the bowl 7 on the central circular plate 45 and the limiting base 37 to move in an elliptical trajectory, which greatly increases the collision probability and shear force between the grinding balls and the material, achieving efficient and uniform fine grinding, and promoting the internal grinding balls to fully grind the material in the bowl 7.

[0037] After grinding is completed, the grinding motor 31 stops rotating, the cover is removed, and the intermittent rotating motor 32 drives the inner edge mounting rod 9 and the hollow bearing plate 6 to rotate through the central pentagonal connecting block 33, rotating the ground bowl 7 to the second work position. During the rotation, the outer rotating ring 20 first slides down from the protrusion of the circular slide rail 5. The outer rotating ring 20 drives the translational ring 19 to move closer to the circle along the inner edge mounting rod 9, thereby driving the drive rack 28 to translate through the first slide rod 21 and the connecting plate 1 22, thereby driving the pinion 34 to rotate. Through the threaded rod 24 and the displacement connecting plate 13, the open rectangular slide 16 and the filter screen connecting rod 14 move down. As the open rectangular slide 16 moves down, the filter screen connecting rod 14 is obstructed by the limiting slide rod frame 17 and becomes vertical. That is to say, the limiting slide rod frame 17 is in close contact with the side wall of the filter screen connecting rod 14 to maintain the vertical state of the filter screen connecting rod 14.

[0038] When the filter screen frame 8 moves to the bottom of the threaded rod 24, it is pressed tightly against the top of the bowl 7. Then, the rack 36 is driven to move along the height adjustment slide 29, thus rising and causing the rotating gear 35 to rotate half a turn. This flips the inner edge mounting rod 9 and all its parts half a turn, at which point the bowl 7 is inverted, allowing the ground powder to fall smoothly, but the grinding balls will not fall. The grinding motor 31 is activated, causing the central circular plate 45 and the limiting base 37 to move in an elliptical trajectory. The diameter of the filter screen frame 8 is larger than that of the bowl 7, so the bowl... When the body 7 moves, it will not exceed the diameter of the filter screen frame 8. The U-shaped frame 18 installed on the limiting base 37 will periodically hit the push rod 38, causing the push rod 38 to reciprocate and extend, thereby driving the threaded rotating shaft 42 to reciprocate. As the threaded rotating shaft 42 rotates, the cam 43 will continuously abut against the support bracket 25, causing the support bracket 25 and the outer slide rod 26 to move up and down, causing the filter screen frame 8 to bump and vibrate with the bowl 7, ensuring that the material falls through the filter screen frame 8 in full, and preventing the grinding material from adhering to the inner wall of the bowl 7.

[0039] After the material is fed, the grinding motor 31 is turned off, and then the intermittent rotating motor 32 rotates to rotate the ground bowl 7 to the third station. At this time, the height adjustment slide 29 is lowered again, which causes the bowl 7 to be in an open-facing state. The water pipe 3 is turned on to inject water into the bowl 7. Then the grinding motor 31 is turned on again, causing the bowl 7 to shake. The grinding balls inside clean the inside of the bowl 7. At the same time, the shaking of the bowl 7 itself can also achieve internal cleaning. Then the intermittent rotating motor 32 rotates to move the hollow support plate 6 to the fourth station. The height adjustment slide 29 is raised within this range, and the bowl 7 is in an inverted state to drain the turbid water.

[0040] Then, the second water pipe 3 is turned on to flush the inside of the bowl 7 in a countercurrent manner, thoroughly removing residual stains and achieving simultaneous cleaning of the bowl 7, grinding balls, and filter frame 8. Subsequently, the intermittent rotating motor 32 rotates and moves the bowl 7 in an inverted state to the fifth station. The fifth station is equipped with a drying device, and the second set of vibration mechanisms can shake off water droplets during the drying process. After drying, the intermittent rotating motor 32 rotates and moves the bowl back to the first station. The height adjustment slide 29 descends within this range, and the opening of the bowl 7 faces upward. At the same time, the outer rotating ring 20 moves to the only protruding range of the circular slide rail 5. Through the outer rotating ring 20, the first slide rod 21 and the connecting plate 1 22 drive the hollow support plate 6, causing the drive rack 2 28 to drive the pinion 34 to rotate. Through this, the threaded rod 24 drives the displacement connecting plate 13 and the open rectangular slide 16 to move upward. When the first rotating shaft 15 is higher than the top of the limiting slide rod frame 17, the filter connecting rod 14 drives the outer slide rod 26 and the filter frame 8 to rotate. At this time, the new bowl 7 can continue to grind.

[0041] To further clarify, the aforementioned fixed connection should be interpreted broadly unless otherwise explicitly specified and limited. For example, it may be welding, gluing, or integral molding, or other conventional methods well known to those skilled in the art.

[0042] The above are merely preferred embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A grinding device that automatically changes and cleans grinding bowls, characterized in that, include: A multi-station circular frame (1) has an inner ring frame (12) fixed to its inner side, and a circular slide rail (5) is fixed to the top outer edge of the inner ring frame (12). The central drive assembly includes a height-adjustable slide (29), an intermittent rotation motor (32), and a central pentagonal connecting block (33). The height-adjustable slide (29) is fixedly connected to the inner ring frame (12) near the center, and the intermittent rotation motor (32) is fixedly connected to the height-adjustable slide (29) near the center to drive the central pentagonal connecting block (33) to rotate. Multiple bearing units are circumferentially mounted on a central pentagonal connecting block (33). Each bearing unit includes a rotating gear (35), an inner edge mounting rod (9), and a hollow bearing plate (6). The rotating gear (35) is rotatably connected to the central pentagonal connecting block (33). One end of the inner edge mounting rod (9) is fixedly connected to the rotating gear (35), and the other end is fixedly connected to the hollow bearing plate (6). The lifting and tilting drive is installed between the bearing unit and the central drive assembly to drive the bearing unit to lift and tilt around the axis of the inner edge mounting rod (9); The linkage control component includes an outer rotating ring (20), a translation ring (19), and a transmission component. The outer rotating ring (20) is slidably connected to the ring slide rail (5), the translation ring (19) is rotatably connected to the outer rotating ring (20), the inner side of the translation ring (19) is slidably connected to the inner edge mounting rod (9), and the transmission component is driven by the translation ring (19).

2. The grinding device for automatic bowl changing and automatic cleaning according to claim 1, characterized in that: A bottom cover (10) is fixed to the bottom of the hollow support plate (6). A grinding motor (31) is fixed inside the bottom cover (10). An eccentric shaft (30) is fixed to the output shaft of the grinding motor (31). A central circular plate is fixed to the top of the eccentric shaft (30). A limiting base (37) is fixed to the top of the central circular plate. A bowl (7) is installed on the top of the limiting base (37). Several grinding balls are placed inside the bowl (7). An elastic waterproof cloth (2) is fixed between the limiting base (37) and the hollow support plate (6). Several planar springs (27) arranged in a circular array are fixed between the central circular plate and the hollow support plate (6).

3. The grinding device for automatic bowl changing and automatic cleaning according to claim 1, characterized in that: The lifting and tilting drive includes a drive rack (36) that meshes with the rotating gear (35). The drive rack (36) is slidably connected to the central pentagonal connecting block (33) via a slide rail. The bottom of the drive rack (36) is slidably connected to the height adjustment slide (29) via a slide rod.

4. The grinding device for automatic bowl changing and automatic cleaning according to claim 2, characterized in that: The transmission component includes a first slide rod (21) and a second drive rack (28). A small gear (34) meshes with the outer wall of the second drive rack (28). A threaded rod (24) is fixedly connected to the top of the small gear (34). The small gear (34) is rotatably connected to the hollow support plate (6). A circular groove (23) is provided on the outer rotating ring (20). The first slide rod (21) is slidably connected to the circular groove (23). A connecting plate (22) is fixedly connected to the end of the first slide rod (21) away from the outer rotating ring (20). The second drive rack (28) is fixedly connected to the bottom of the connecting plate (22). The second drive rack (28) is slidably connected to the hollow support plate (6) through a set slide rail.

5. The grinding device for automatic bowl changing and automatic cleaning according to claim 4, characterized in that: A displacement connecting plate (13) is threaded onto the threaded rod (24). An open rectangular slide (16) is fixedly connected to the end of the displacement connecting plate (13) away from the threaded rod (24). A limit slide frame (17) is slidably connected to the bottom of the open rectangular slide (16) via a slider. The limit slide frame (17) is fixedly connected to the hollow bearing plate (6). An open rectangular slide (16) is rotatably connected inside the open rectangular slide (16). A filter screen is fixedly connected to the outer wall of the first rotating shaft (15). A U-shaped frame (18) is provided on the outside of the rod (14) and the limiting slide rod frame (17). The U-shaped frame (18) is fixedly connected to the top of the limiting base (37). An outer slide rod (26) is slidably connected to the outside of the filter screen connecting rod (14). A filter screen frame (8) is fixedly connected to the top of the outer slide rod (26). A second spring (44) is fixedly connected between the filter screen connecting rod (14) and the outer slide rod (26). A support corner frame (25) is fixedly connected to the side of the outer slide rod (26) away from the filter screen frame (8).

6. The grinding device for automatic bowl changing and automatic cleaning according to claim 1, characterized in that: Several partitions are fixed to the inner wall of the multi-station circular frame (1), dividing the multi-station circular frame (1) into multiple independent sub-chambers. The number of sub-chambers is five, and they are defined as the first station, the second station, the third station, the fourth station and the fifth station in sequence along the circumference. There are no partitions between the sub-chambers corresponding to the third station and the fourth station, and these two stations together form a continuous area.

7. The grinding device for automatic bowl changing and automatic cleaning according to claim 1, characterized in that: Vibration mechanisms are installed at the second and fifth workstations, including a mounting block (39). The mounting block (39) is fixedly connected to the inner ring frame (12). A push rod (38) is slidably connected to the inner side of the inner ring frame (12). An internal spring (40) is fixedly connected between the push rod (38) and the mounting block (39). A drive slide rod (41) is fixedly connected to the bottom of the push rod (38). A threaded rotating shaft (42) is slidably connected to the outer wall of the drive slide rod (41). The threaded rotating shaft (42) is rotatably connected to the mounting block (39). A cam (43) is fixedly connected to the other end of the threaded rotating shaft (42).

8. The grinding device for automatic bowl changing and automatic cleaning according to claim 7, characterized in that: Two water pipes (3) are installed at the third and fourth workstations respectively, and the water pipes (3) are fixed to the multi-workstation circular frame (1) through the connecting plate.

9. The grinding device for automatic bowl changing and automatic cleaning according to claim 1, characterized in that: The outer edge slide (4) is fixed to the outer side of the hollow bearing plate (6). The outer edge slide (4) is slidably connected to the top of the multi-station circular frame (1) through a sliding groove. The outer wall of the inner edge mounting rod (9) is fixed to the bearing cylinder (11). The bearing cylinder (11) is placed on the inner ring frame (12). The inner ring frame (12) and the outer edge slide (4) provide support for the hollow bearing plate (6).

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