阅读说明：本技术 一种蛋黄上清液蛋白抽离装置 (Yolk supernatant protein extracting device ) 是由 姜俊 郭永超 关哲 于 2021-10-27 设计创作，主要内容包括：本发明公开了一种蛋黄上清液蛋白抽离装置,包括锥形筒,锥形筒设有多个,锥形筒下端中心处安装有电磁阀,锥形筒下端靠近外环处安装有矩形支架；所述锥形筒上表面中心处安装有密封轴承一,锥形筒下端安装有轴承支架,轴承支架上端安装有密封轴承二,密封轴承二与密封轴承一之间安装有搅拌棒,搅拌棒上端安装有从动轮,所述锥形筒上端设有清液吸入端移动机构,所述锥形筒侧表面设有联动抽吸机构。本发明的有益效果是,通过清液吸入端移动机构的作用可以使圆形空心箱体随着液面的下降而下降,配合真空泵的工作,在保证产品质量的同时提高上清液抽离的工作效率；通过联动抽吸机构的作用对多个锥形管进行抽离操作,进一步提升工作效率。(The invention discloses a yolk supernatant protein extracting device which comprises a plurality of conical cylinders, wherein the center of the lower end of each conical cylinder is provided with an electromagnetic valve, and the lower end of each conical cylinder, close to an outer ring, is provided with a rectangular bracket; the improved automatic cleaning machine is characterized in that a first sealing bearing is installed at the center of the upper surface of the conical cylinder, a bearing support is installed at the lower end of the conical cylinder, a second sealing bearing is installed at the upper end of the bearing support, a stirring rod is installed between the second sealing bearing and the first sealing bearing, a driven wheel is installed at the upper end of the stirring rod, a clear liquid suction end moving mechanism is arranged at the upper end of the conical cylinder, and a linkage suction mechanism is arranged on the side surface of the conical cylinder. The invention has the advantages that the circular hollow box body can descend along with the descending of the liquid level under the action of the clear liquid suction end moving mechanism, and the working efficiency of supernatant liquid extraction is improved while the product quality is ensured by matching with the work of the vacuum pump; the multiple conical tubes are extracted and separated through the action of the linkage suction mechanism, and the working efficiency is further improved.)

1. A yolk supernatant albumen extracting device comprises a plurality of conical cylinders (1), wherein the conical cylinders (1) are provided, an electromagnetic valve (2) is arranged at the center of the lower end of each conical cylinder (1), and a rectangular bracket (3) is arranged at the position, close to an outer ring, of the lower end of each conical cylinder (1); the device is characterized in that a clear liquid suction end moving mechanism is arranged at the upper end of the conical barrel (1), and a linkage suction mechanism is arranged on the side surface of the conical barrel (1);

the clear liquid suction end moving mechanism comprises a T-shaped slide way (9) arranged on the inner side surface of a conical barrel (1), a plurality of T-shaped slide ways (9) are arranged, a sliding block (10) is arranged on one side of each T-shaped slide way (9), the sliding block (10) is in sliding connection with the T-shaped slide way (9), a round hollow box body (11) is arranged on one side of the sliding block (10), the round hollow box body (11) is fixedly connected with the sliding block (10), a threaded through hole (12) is formed in the upper surface of the sliding block (10), a vertical bearing I (13) is arranged on the inner side surface of the lower end of the conical barrel (1), a sealing bearing III (14) is arranged at a position, close to the outer ring, of the upper surface of the conical barrel (1), a threaded shaft (15) meshed with the threaded through hole (12) is arranged between the sealing bearing III (14) and the vertical bearing I (13), a straight gear I (16) is arranged at the upper end of the threaded shaft (15), a rotary bearing (17) is arranged on the upper surface of the conical barrel (1), a rotary ring (18) is arranged on the inner ring of the rotary bearing (17), a first toothed ring (19) meshed with the first straight gear (16) is arranged on the inner ring of the rotary ring (18), and a second driven toothed ring (20) is arranged on the outer ring of the rotary ring (18); the upper surface of the conical cylinder (1) is provided with a first rectangular hole (21), two first rectangular holes (21) are arranged, an inverted V-shaped feed hopper (22) is arranged above the first rectangular hole (21), and the inverted V-shaped feed hopper (22) is inserted into the first rectangular hole (21) and is fixedly connected with the conical cylinder (1); a second rectangular hole (23) is formed in the center of the circular hollow box body (11), a circular hole (24) is formed in the lower surface of the circular hollow box body (11), a first connecting pipe (25) is installed on the upper surface of the circular hollow box body (11), two first connecting pipes (25) are arranged, a second connecting pipe (26) is installed on the upper surface of the conical cylinder (1), and a corrugated pipe (27) is installed between the second connecting pipe (26) and the first connecting pipe (25);

the linkage suction mechanism comprises a connecting plate (28) arranged on the side surface of the upper end of the conical barrel (1), a first stepping motor (29) is arranged at the center of the upper surface of the connecting plate (28), a containing table (30) is arranged at the rotating end of the first stepping motor (29), a second stepping motor (31) is arranged on the upper surface of the containing table (30), an output shaft (32) is arranged at the rotating end of the second stepping motor (31), a first driving wheel (33) is arranged at one end of the output shaft (32), the first driving wheel (33) is in sliding connection with the output shaft (32), the first driving wheel (33) corresponds to the driven wheel (8), a second driving wheel (34) is arranged at the other end of the output shaft (32), the second driving wheel (34) is in sliding connection with the output shaft (32), and the second driving wheel (34) corresponds to the driven ring gear (20); the device comprises a containing table (30), a first Contraband-shaped frame (35) is installed at one end of the upper surface of the containing table (30), a second Contraband-shaped frame (36) is installed at the other end of the upper surface of the containing table (30), 21274is installed on the side surface of the first 35, a transverse rod (37) is installed on the side surface of the first 35, a first limiting pipe (38) is installed at one end of the transverse rod (37), 21274is installed on the side surface of the first 35, a second limiting pipe (39) is installed on the side surface of the first 35, 21274is installed on the side surface of the first 35, a hinge rod (40) is installed at one end of the hinge rod (40), the center of the hinge rod (41) is hinged to the hinge rod (40), a hydraulic rod (42) is installed at the upper end of the second Contraband-shaped frame (36), and the telescopic end of the hydraulic rod (42) is hinged to the hinge rod (41); a first pulling rod (43) is installed at the upper end of the swinging rod (41), the first pulling rod (43) penetrates through a first limiting pipe (38), a first shifting fork (44) is installed at one end of the first pulling rod (43), a second pulling rod (45) is installed at the lower end of the swinging rod (41), the second pulling rod (45) penetrates through a second limiting pipe (39), and a second shifting fork (46) is installed at one end of the second pulling rod (45).

2. The egg yolk supernatant protein extracting device according to claim 1, wherein a material conveying pipe (47) is arranged above the Contraband-shaped second frame (36), a rotary sealing valve (48) is arranged at the lower end of the material conveying pipe (47), a Z-shaped pipe (49) is arranged at the lower end of the rotary sealing valve (48), and the Z-shaped pipe (49) is fixedly connected with the containing table (30).

3. A yolk supernatant albumen extracting device according to claim 1, wherein a sliding ring (50) is respectively arranged at one side of the first shifting fork (44) and the second shifting fork (46), and the sliding ring (50) is connected with the output shaft (32) in a sliding way.

4. A yolk supernatant albumen extracting device according to claim 1, wherein the lower end of the transverse rod (37) is provided with a fixed bearing (51), and the inner ring of the fixed bearing (51) is fixedly connected with the output shaft (32).

5. A yolk supernatant albumen extracting device according to claim 1, wherein a flared rubber ring (52) is installed at the lower end of the circular hole (24).

6. A yolk supernatant albumen extracting device according to claim 1, wherein a tempered glass window (53) is installed on the side surface of the cone-shaped cylinder (1).

7. A yolk supernatant albumen extracting device according to claim 1, wherein the upper surface of the conical barrel (1) is provided with two linear motors (54), and the telescopic end of each linear motor (54) is provided with a limit ring (55).

Technical Field

The invention relates to the technical field of extraction of egg white from egg yolk supernatant, in particular to an egg white extracting device from egg yolk supernatant.

Background

The preparation method comprises the following steps of (1) performing a protein extraction process when preparing immunoglobulin, after standing and layering, pumping the upper layer of yolk supernatant into a temporary storage tank for processing, and avoiding the turbidity of the supernatant and precipitate in the process of pumping the yolk supernatant into the temporary storage tank; the traditional operation mode is that a shaking head pipe is manually rotated, so that the suction end of the shaking head pipe descends along with the descending of the liquid level, and the discharging is stopped when the liquid level descends to a boundary surface;

because the operation is manual, the error is large, and one end of the shaking head pipe is easy to be inserted into the sediment; in order to avoid shaking the head the pipe and take place to interfere with the (mixing) shaft when the ejection of compact, it is located clarification jar one side and carries out the ejection of compact to shake the head the pipe suction end, but when shaking the head the pipe suction end and be about to drop to the boundary surface, the supernatant of keeping away from the one end of shaking the head the pipe suction end can be close to shaking the pipe suction end with faster velocity of flow, will make supernatant and precipitate produce great convection current this moment, easily produce unnecessary and mix, reduce the quality of product, current take out not only inefficiency from the mode, and the cleanliness factor of taking out from is lower.

Disclosure of Invention

Aiming at the defects, the invention provides a device for extracting egg white from egg yolk supernatant, which solves the problems.

In order to achieve the purpose, the invention adopts the following technical scheme:

a yolk supernatant albumen extracting device comprises a plurality of conical cylinders, wherein the center of the lower end of each conical cylinder is provided with an electromagnetic valve, and a rectangular bracket is arranged at the lower end of each conical cylinder, which is close to an outer ring; a first sealing bearing is mounted at the center of the upper surface of the conical cylinder, a bearing support is mounted at the lower end of the conical cylinder, a second sealing bearing is mounted at the upper end of the bearing support, a stirring rod is mounted between the second sealing bearing and the first sealing bearing, a driven wheel is mounted at the upper end of the stirring rod, a clear liquid suction end moving mechanism is arranged at the upper end of the conical cylinder, and a linkage suction mechanism is arranged on the side surface of the conical cylinder;

the clear liquid suction end moving mechanism comprises a plurality of T-shaped slideways arranged on the inner side surface of a conical cylinder, a sliding block is arranged on one side of each T-shaped slideway, the sliding block is connected with the T-shaped slideways in a sliding mode, a circular hollow box body is arranged on one side of the sliding block, the circular hollow box body is fixedly connected with the sliding block, a threaded through hole is formed in the upper surface of the sliding block, a vertical bearing I is arranged on the inner side surface of the lower end of the conical cylinder, a sealing bearing III is arranged at a position, close to an outer ring, on the upper surface of the conical cylinder, a threaded shaft meshed with the threaded through hole is arranged between the sealing bearing III and the vertical bearing I, a straight gear I is arranged at the upper end of the threaded shaft, a rotary bearing is arranged on the upper surface of the conical cylinder, a rotary ring is arranged on the inner ring of the rotary bearing, a toothed ring I meshed with the straight gear I is arranged on the inner ring, and a driven toothed ring II is arranged on the outer ring of the rotary ring; the upper surface of the conical cylinder is provided with a first rectangular hole, two first rectangular holes are arranged, an inverted V-shaped feeding hopper is arranged above the first rectangular hole, and the inverted V-shaped feeding hopper is inserted into the first rectangular hole and fixedly connected with the conical cylinder; a rectangular hole II is formed in the center of the circular hollow box body, a circular hole is formed in the lower surface of the circular hollow box body, a first connecting pipe is arranged on the upper surface of the circular hollow box body, two first connecting pipes are arranged, a second connecting pipe is arranged on the upper surface of the conical cylinder, and a corrugated pipe is arranged between the second connecting pipe and the first connecting pipe;

the linkage suction mechanism comprises a connecting plate arranged on the side surface of the upper end of the conical barrel, a first stepping motor is arranged in the center of the upper surface of the connecting plate, a containing platform is arranged at the rotating end of the first stepping motor, a second stepping motor is arranged on the upper surface of the containing platform, an output shaft is arranged at the rotating end of the second stepping motor, a first driving wheel is arranged at one end of the output shaft and is in sliding connection with the output shaft, the first driving wheel corresponds to the driven wheel, a second driving wheel is arranged at the other end of the output shaft and is in sliding connection with the output shaft, and the second driving wheel corresponds to the driven gear ring II; the device comprises a containing table, a transverse rod, a limiting pipe I, a limiting pipe II, a limiting pipe 21274, a hinge rod, a swinging rod, a hydraulic rod and a swinging rod, wherein one end of the upper surface of the containing table is provided with the Contraband-shaped frame I, the other end of the upper surface of the containing table is provided with the Contraband-shaped frame II, the 21274, the surface of one side of the transverse rod is provided with the limiting pipe I, the limiting pipe 21274, the surface of one side of the transverse rod II is provided with the limiting pipe II, the surface of one side of the shaped frame is provided with the hinge rod, one end of the hinge rod is provided with the swinging rod, the center of the swinging rod is hinged with the hinge rod, the upper end of the shaped frame II is provided with the hydraulic rod, and the telescopic end of the hydraulic rod is hinged with the swinging rod; the upper end of the oscillating rod is provided with a first pulling rod, the first pulling rod penetrates through a first limiting pipe, one end of the first pulling rod is provided with a first shifting fork, the lower end of the oscillating rod is provided with a second pulling rod, the second pulling rod penetrates through a second limiting pipe, and one end of the second pulling rod is provided with a second shifting fork.

And furthermore, a conveying pipe is arranged above the Contraband-shaped frame II, a rotary sealing valve is arranged at the lower end of the conveying pipe, a Z-shaped pipe is arranged at the lower end of the rotary sealing valve, and the Z-shaped pipe is fixedly connected with the containing table.

And further, sliding rings are respectively arranged on one sides of the first shifting fork and the second shifting fork and are in sliding connection with the output shaft.

And further, a fixed bearing is arranged at the lower end of the transverse rod, and an inner ring of the fixed bearing is fixedly connected with the output shaft.

And further, a flaring rubber ring is arranged at the lower end of the circular hole.

Furthermore, a toughened glass window is arranged on the side surface of the conical cylinder.

Furthermore, surface mounting has linear electric motor on the toper section of thick bamboo, and linear electric motor is equipped with two, and the spacing ring is installed to the flexible end of linear electric motor.

The invention has the beneficial effects that: the circular hollow box body can descend along with the descending of the liquid level under the action of the clear liquid suction end moving mechanism, and the working efficiency of supernatant liquid pumping is improved while the product quality is ensured by matching with the work of a vacuum pump; the multiple conical tubes are extracted and separated through the action of the linkage suction mechanism, and the working efficiency is further improved.

Drawings

FIG. 1 is a schematic diagram of a device for extracting egg yolk supernatant and egg white according to the present invention;

FIG. 2 is a partial schematic view of the movement of the serum intake end;

FIG. 3 is an enlarged schematic view of the movement of the clear liquid suction end;

FIG. 4 is a schematic cross-sectional view of a circular hollow box;

FIG. 5 is a schematic view of a linkage suction mechanism;

FIG. 6 is a schematic side view of a V-shaped feed hopper;

FIG. 7 is a schematic cross-sectional view of a tapered cartridge;

FIG. 8 is a schematic top view of a rectangular aperture I;

FIG. 9 is a cross-sectional schematic view of the output shaft;

in the figure, 1, a cone-shaped cylinder; 2. an electromagnetic valve; 3. a rectangular bracket; 4. sealing the first bearing; 5. a bearing support; 6. a second sealing bearing; 7. a stirring rod; 8. a driven wheel; 9. a T-shaped slideway; 10. a slider; 11. a circular hollow box body; 12. a threaded through hole; 13. a first vertical bearing; 14. a third sealed bearing; 15. a threaded shaft; 16. a first straight gear; 17. a slew bearing; 18. a rotating ring; 19. a first toothed ring; 20. a driven gear ring II; 21. a first rectangular hole; 22. a V-shaped feed hopper; 23. a second rectangular hole; 24. a circular hole; 25. a first connecting pipe; 26. a second connecting pipe; 27. a bellows; 28. a connecting plate; 29. a first stepping motor; 30. a containing table; 31. a second stepping motor; 32. an output shaft; 33. a first driving wheel; 34. a second driving wheel; 35. contraband form I; 36. contraband form II; 37. a transverse bar; 38. a first limiting pipe; 39. a second limiting pipe; 40. a hinged lever; 41. a swing lever; 42. a hydraulic lever; 43. pulling a first moving rod; 44. a first shifting fork; 45. pulling a second moving rod; 46. a second shifting fork; 47. a delivery pipe; 48. a rotary seal valve; 49. a Z-shaped pipe; 50. a slip ring; 51. fixing the bearing; 52. flaring rubber rings; 53. tempering the glass window; 54. a linear motor; 55. a limit ring.

Detailed Description

The invention is described in detail with reference to the accompanying drawings, as shown in fig. 1-9, the egg yolk supernatant and egg white extracting device comprises a plurality of conical cylinders 1, the conical cylinders 1 are provided with a plurality of electromagnetic valves 2 at the centers of the lower ends of the conical cylinders 1, and rectangular supports 3 are arranged at the lower ends of the conical cylinders 1 near the outer rings; a first sealing bearing 4 is arranged at the center of the upper surface of the conical cylinder 1, a bearing support 5 is arranged at the lower end of the conical cylinder 1, a second sealing bearing 6 is arranged at the upper end of the bearing support 5, a stirring rod 7 is arranged between the second sealing bearing 6 and the first sealing bearing 4, a driven wheel 8 is arranged at the upper end of the stirring rod 7, a clear liquid suction end moving mechanism is arranged at the upper end of the conical cylinder 1, and a linkage suction mechanism is arranged on the side surface of the conical cylinder 1;

the clear liquid suction end moving mechanism comprises a T-shaped slide way 9 arranged on the inner side surface of a conical barrel 1, a plurality of T-shaped slide ways 9 are arranged, a sliding block 10 is arranged on one side of each T-shaped slide way 9, the sliding block 10 is connected with the T-shaped slide way 9 in a sliding manner, a circular hollow box body 11 is arranged on one side of the sliding block 10, the circular hollow box body 11 is fixedly connected with the sliding block 10, a threaded through hole 12 is formed in the upper surface of the sliding block 10, a vertical bearing I13 is arranged on the inner side surface of the lower end of the conical barrel 1, a sealing bearing III 14 is arranged on the upper surface of the conical barrel 1 at a position close to an outer ring, a threaded shaft 15 meshed with the threaded through hole 12 is arranged between the sealing bearing III 14 and the vertical bearing I13, a straight gear I16 is arranged at the upper end of the threaded shaft 15, a rotary bearing 17 is arranged on the upper surface of the conical barrel 1, an inner ring 18 is provided with a rotary ring 18, a toothed ring I19 meshed with the straight gear I16 is arranged on the inner ring, a driven gear ring II 20 is arranged on the outer ring of the rotating ring 18; the upper surface of the conical cylinder 1 is provided with a first rectangular hole 21, the number of the first rectangular holes 21 is two, an inverted V-shaped feed hopper 22 is arranged above the first rectangular hole 21, and the inverted V-shaped feed hopper 22 is inserted into the first rectangular hole 21 and is fixedly connected with the conical cylinder 1; a second rectangular hole 23 is formed in the center of the circular hollow box body 11, a circular hole 24 is formed in the lower surface of the circular hollow box body 11, a first connecting pipe 25 is installed on the upper surface of the circular hollow box body 11, two first connecting pipes 25 are arranged, a second connecting pipe 26 is installed on the upper surface of the conical barrel 1, and a corrugated pipe 27 is installed between the second connecting pipe 26 and the first connecting pipe 25;

the linkage suction mechanism comprises a connecting plate 28 arranged on the side surface of the upper end of the conical barrel 1, a first stepping motor 29 is arranged at the center of the upper surface of the connecting plate 28, a containing platform 30 is arranged at the rotating end of the first stepping motor 29, a second stepping motor 31 is arranged on the upper surface of the containing platform 30, an output shaft 32 is arranged at the rotating end of the second stepping motor 31, a first driving wheel 33 is arranged at one end of the output shaft 32, the first driving wheel 33 is in sliding connection with the output shaft 32, the first driving wheel 33 corresponds to the driven wheel 8, a second driving wheel 34 is arranged at the other end of the output shaft 32, the second driving wheel 34 is in sliding connection with the output shaft 32, and the second driving wheel 34 corresponds to the driven gear ring 20; the device comprises a containing table 30, a first Contraband-shaped frame 35, a second Contraband-shaped frame 36 and a third 21274are mounted at one end of the upper surface of the containing table 30, a transverse rod 37 is mounted on the side surface of the first 35-shaped frame, a first limiting pipe 38 is mounted at one end of the transverse rod 37, a second limiting pipe 39 is mounted on the side surface of the first Contraband-shaped frame 35, a hinge rod 40 is mounted on the side surface of the first Contraband-shaped frame 35, a swing rod 41 is mounted at one end of the hinge rod 40, the center of the swing rod 41 is hinged to the hinge rod 40, the third 21274is mounted at the upper end of the second 36, and a hydraulic rod 42 is mounted at the telescopic end of the hydraulic rod 42 and hinged to the swing rod 41; the upper end of the oscillating rod 41 is provided with a first pulling rod 43, the first pulling rod 43 penetrates through the first limiting pipe 38, one end of the first pulling rod 43 is provided with a first shifting fork 44, the lower end of the oscillating rod 41 is provided with a second pulling rod 45, the second pulling rod 45 penetrates through the second limiting pipe 39, and one end of the second pulling rod 45 is provided with a second shifting fork 46.

A material conveying pipe 47 is arranged above the Contraband-shaped second frame 36, a rotary sealing valve 48 is arranged at the lower end of the material conveying pipe 47, a Z-shaped pipe 49 is arranged at the lower end of the rotary sealing valve 48, and the Z-shaped pipe 49 is fixedly connected with the placing table 30.

And one sides of the first shifting fork 44 and the second shifting fork 46 are respectively provided with a sliding ring 50, and the sliding ring 50 is in sliding connection with the output shaft 32.

The lower end of the transverse rod 37 is provided with a fixed bearing 51, and the inner ring of the fixed bearing 51 is fixedly connected with the output shaft 32.

A flared rubber ring 52 is mounted to the lower end of circular bore 24.

The side surface of the conical barrel 1 is provided with a toughened glass window 53.

The upper surface of the conical barrel 1 is provided with two linear motors 54, and the telescopic ends of the linear motors 54 are provided with limit rings 55.

In the embodiment, the electric appliance of the device is controlled by an external controller, in order to save the extraction time to the maximum extent, when the number of the conical cylinders 1 is three, the included angle between the Z-shaped tube 49 and the transverse rod 37 is 120 degrees, when the number of the conical cylinders 1 is four, the included angle between the Z-shaped tube 49 and the transverse rod 37 is 90 degrees, and so on, the supernatant is injected into the other conical cylinder 1 while the yolk supernatant is extracted; before use, a vacuum pump is manually arranged on one side of the conical barrel 1 and is connected with the second connecting pipe 26 to provide power for pumping and separating supernate, and the vacuum pump belongs to the prior art and is obvious to a person skilled in the art, so detailed description is omitted;

as shown in fig. 1, when the output end of the Z-shaped pipe 49 is aligned with the inverted V-shaped feed hopper, the first driving wheel 33 above the other conical barrel 1 is aligned with the driven wheel 8, and the second driving wheel is aligned with the second driven toothed ring 20, controlling the corresponding equipment to discharge the supernatant into the inverted V-shaped feed hopper 22 through the feed delivery pipe 47, the rotary sealing valve 48 and the Z-shaped pipe 49, and injecting the supernatant into the conical barrel 1 by splitting and conveying the inverted V-shaped feed hopper 22, (at this time, the lower end of the inverted V-shaped feed hopper 22 protrudes downwards out of the second rectangular hole 23 as shown in fig. 4), after a certain amount of supernatant is injected, the controller controls the hydraulic rod 42 to extend, the oscillating rod 41 rotates around the hinge point of the oscillating rod 41 and the hinge rod 40, the oscillating rod 41 drives the first pulling rod 43 to move to the left side, the second pulling rod 45 moves to the right side, the first pulling rod 43 drives the first shifting fork 44 to move, the driving wheel I33 is meshed with the driven wheel 8, and the driving wheel II 34 is separated from the driven gear ring II 20; the controller controls the second stepping motor 31 to rotate, the second stepping motor 31 drives the first driving wheel 33 to drive the second driven wheel 8 to rotate, the second driven wheel 8 drives the stirring rod 7 to stir the supernatant in the conical barrel 1, after the stirring is carried out for a certain time, the stirring rod 7 stops rotating, the stopping position of the stirring rod 7 is overlapped with the position of the second rectangular hole 23, the circular hollow box body 11 conveniently moves downwards, and the static sedimentation is started;

when the three conical barrels 1 are empty at the beginning, the first stepping motor 29 is required to rotate by 120 degrees, supernatant is injected into the next conical barrel 1 until the three conical barrels 1 are filled with the supernatant, the hydraulic rod 42 is required to be in timely telescopic fit in the filling process, when the supernatant in the conical barrels 1 is qualified by precipitation, the controller controls the first stepping motor 29 to rotate, the output shaft 32 is made to swing above the conical barrel 1 to be drawn away, the controller controls the hydraulic rod 42 to shorten, the hydraulic rod 42 drives the swing rod 41 to rotate clockwise, the swing rod 41 drives the second pulling rod 45 to move, the second pulling rod 45 drives the second shifting fork 46 to pull the second driving wheel 34, the second driving wheel 34 is meshed with the second driven gear ring 20, the first driving wheel 33 is separated from the driven wheel 8, the controller controls the second stepping motor 31 to rotate, the second stepping motor 31 drives the second driving wheel 34 to drive the second driven gear ring 20 to rotate, the second gear ring 20 drives the rotating ring 18 to drive the first spur gear 16 to rotate, the first spur gear 16 drives the threaded shaft 15 to rotate, the sliding block 10 is driven to move downwards under the action of the threaded shaft 15 meshed with the threaded through hole 12, the sliding block 10 drives the circular hollow box body 11 to move downwards, when the circular hole 24 contacts the liquid level under the action of observation of human eyes through the toughened glass window 53, the external vacuum pump is controlled to work, negative pressure is generated near the circular hole 24, supernatant on the upper layer after sedimentation can be efficiently pumped away along with continuous downward movement of the circular hollow box body 11 and continuous pumping away of the vacuum pump, and the descending speed of the circular hollow box body 11 is consistent with the descending speed of the liquid level; when the round hollow box body 11 is close to the precipitation interface, the extraction speed of supernatant on the upper layer after precipitation can be slowed down through manual control;

after the pumping-out is finished, the second stepping motor 31 rotates reversely to indirectly drive the circular hollow box body 11 to reset, the sediment at the lower end of the conical cylinder 1 can be taken out by opening the electromagnetic valve 2, at the moment, the first stepping motor 29 needs to rotate 120 degrees anticlockwise, so that the Z-shaped pipe 49 moves to the upper part of the conical cylinder 1 which is just pumped-out, and the supernatant liquid is prepared for filling; the transverse rod 37 moves to the upper part of the conical barrel 1 to be drawn off, and is ready to be drawn off; when the first stepping motor 29 rotates, the swinging rod 41 needs to be kept in a vertical state, so that the driven wheel and the first driving wheel 33 are in a separated state, and the driven gear ring II 20 and the driving wheel II 34 are in a separated state; the problem of wireless self-rotation power connection of the second stepping motor 31 can be solved through the action of the electric slip ring.

The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.