阅读说明：本技术 一种芝麻油榨取筛料装置及方法 (Sesame oil squeezing and screening device and method ) 是由 陶训龙 李怀芝 任越 于 2019-11-29 设计创作，主要内容包括：本发明公开了一种芝麻油榨取筛料装置及方法,包括底部盛水槽,所述底部盛水槽一端的两侧对称连接有第一支架,第一支架的上端铰连接有筛料箱,底部盛水槽另一端的两侧对称连接有第二支架,第二支架的上端铰连接有第一连杆,第一连杆的一端铰连接有第二连杆,第二连杆的上端与筛料箱的一端铰连接。与现有技术相比,本发明的有益效果是：本发明提出芝麻油榨取筛料装置及方法,在底部盛水槽上通过支架铰连接筛料箱,第一电机带动第一连杆旋转,从而第二连杆转动,实现筛料箱的一端上下移动,对芝麻油进行过滤,同时过滤网采用环形结构,过滤网的上下面均可用于过滤,当过滤网上表面堵塞严重时,可以旋转过滤网,更换过滤网的过滤面。(The invention discloses a sesame oil squeezing and screening device and method, which comprises a bottom water containing groove, wherein two sides of one end of the bottom water containing groove are symmetrically connected with a first support, the upper end of the first support is hinged with a screening box, two sides of the other end of the bottom water containing groove are symmetrically connected with a second support, the upper end of the second support is hinged with a first connecting rod, one end of the first connecting rod is hinged with a second connecting rod, and the upper end of the second connecting rod is hinged with one end of the screening box. Compared with the prior art, the invention has the beneficial effects that: the invention provides a sesame oil squeezing and screening device and a sesame oil squeezing and screening method.)

1. The utility model provides a sesame oil squeezes gets sieve material device, includes bottom water containing tank (1), its characterized in that: the automatic screening machine is characterized in that first supports (11) are symmetrically connected to two sides of one end of the bottom water containing groove (1), a screening box (2) is hinged to the upper end of each first support (11), second supports (12) are symmetrically connected to two sides of the other end of the bottom water containing groove (1), a first connecting rod (13) is hinged to the upper end of each second support (12), a second connecting rod (14) is hinged to one end of each first connecting rod (13), the upper end of each second connecting rod (14) is hinged to one end of the screening box (2), a mounting plate (15) is connected to the side portion, close to one end of each second support (12), of the bottom water containing groove (1), a first motor (151) is mounted on the mounting plate (15), and the output end of each first motor (151) penetrates through the corresponding second support (12) and is connected with the corresponding first connecting rod;

an oil groove (21) is fixedly connected inside the screening box (2), an oil discharge pipe (211) is connected to one side of the oil groove (21), rotary rollers (22) are symmetrically connected inside the screening box (2) at the lower end of the oil groove (21), a filter screen (25) is sleeved on each rotary roller (22), a movable groove (23) is symmetrically formed in one side of the screening box (2), a second motor (24) is installed on one side, close to the movable groove (23), of the screening box (2), a lead screw (241) is connected to the output end of each second motor (24), the upper end of each lead screw (241) is fixedly connected with the side wall of the screening box (2) through a bearing, a movable frame (3) is meshed with each lead screw (241), a scraper plate (26) is connected inside one end of the screening box (2), a heating resistance wire (27) is installed inside the other end of the screening box (2), and a fan (28) is installed at one end;

the middle position fixedly connected with thread bush (31) of adjustable shelf (3), symmetrical connection has slider (32) on adjustable shelf (3) of thread bush (31) both sides, the both ends symmetrical connection of adjustable shelf (3) has fixed plate (33), one side of fixed plate (33) upper end is connected with connecting plate (34), the one end of connecting plate (34) is connected with clamp plate (35), the lower extreme of clamp plate (35) extends to in oil groove (21), be connected with on fixed plate (33) of clamp plate (35) below loose roller (36), loose roller (36) run through movable groove (23).

2. The sesame oil extracting and screening device according to claim 1, wherein: the bottom water containing tank (1) is obliquely arranged, one end, close to the second support (12), of the bottom water containing tank (1) is lower than the other end of the bottom water containing tank, a drain pipe (16) is fixedly connected to one end, close to the second support (12), of the bottom water containing tank (1), and a water spraying pipe (17) is connected to the middle position of the bottom water containing tank (1).

3. The sesame oil extracting and screening device according to claim 1, wherein: the filter screen (25) is sleeved outside the oil groove (21), and both ends of the oil groove (21) are smooth cambered surfaces.

4. The sesame oil extracting and screening device according to claim 1, wherein: scraper blade (26) slope sets up, and the lower one end in position of scraper blade (26) runs through sieve workbin (2), offers on sieve workbin (2) with scraper blade (26) assorted row's cinder notch (29).

5. The sesame oil extracting and screening device according to claim 1, wherein: the side wall of the screening box (2) is provided with a limit groove matched with the sliding block (32), and the sliding block (32) is movably connected with the limit groove.

6. The sesame oil extracting and screening device according to claim 1, wherein: one end of the rotating roller (22) is connected with a third motor (221), and the third motor (221) is installed on the side wall of the screening box (2).

7. A method of screening in the sesame oil extraction screening device according to claim 1, comprising the steps of:

s1: the second motor (24) rotates to drive the movable frame (3) to move downwards integrally, two ends of the filter screen (25) are pressed into the oil groove (21) by the pressing plate (35), and a certain gap is reserved between the filter screen (25) and the bottom of the oil groove (21);

s2: the first motor (151) is started to work, the first motor (151) rotates to drive the first connecting rod (13) to rotate, meanwhile, the second connecting rod (14) drives one end of the screening box (2) to shake up and down, and the other end of the screening box (2) rotates around the first support (11);

s3: pouring oil into the oil groove (21), filtering the squeezed sesame oil through a filter screen (25) and then feeding the filtered sesame oil into the oil groove (21), shaking the oil groove (21) under the action of the drying box (2) to accelerate the filtering effect, leading the filtered sesame oil out through an oil discharge pipe (211), and leaving oil residues on the filter screen (25);

s4: when the oil residue on the filter screen (25) is excessive, the second motor (24) is started to rotate to drive the movable frame (3) to move upwards, the pressing plate (35) and the elastic roller (36) move upwards simultaneously, the upper surface of the filter screen (25) is loosened, the lower surface of the filter screen (25) is tightly pressed by the elastic roller (36), the third motor (221) rotates to drive the rotating roller (22) to rotate, and the filter screen (25) moves along with the rotating roller (22);

s5: when the filter screen (25) moves to the position of the scraper (26), the scraper (26) scrapes the surface of the filter screen (25) to scrape oil residues, the scraper (26) is obliquely arranged, the oil residues slide out of a residue discharge port (29) along the surface of the scraper (26), the filter screen (25) continues to move until the filter screen (25) below the oil groove (21) moves to the upper surface of the oil groove (21), the third motor (221) is closed, the first motor (151) is started, and meanwhile, the second motor (24) rotates to drive the movable frame (3) to move downwards to continue oil pouring and filtering;

s6: the water spray pipe (17) sprays water to the filter screen (25) below the oil groove (21), the filter screen (25) is washed, the filter screen (25) shakes along with the sieve box (2), the washing range is widened, washing water is concentrated on the bottom water containing groove (1) and is discharged through the drain pipe (16), after washing is completed, the water spray pipe (17) is closed, the filter screen (25) shakes along with the sieve box (2), and a part of water can be thrown away and dried;

s7: and when the filter screen (25) is cleaned next time, repeating S4 and S5, and simultaneously turning on the fan (28) and the heating resistance wire (27) to dry the filter screen (25) below the oil tank (21).

8. The material sieving method of the sesame oil extracting and sieving device according to claim 7, wherein: in S3, the filter screen (25) is of an annular structure, and the inner wall of the filter screen (25) is provided with an anti-skid coating.

9. The material sieving method of the sesame oil extracting and sieving device according to claim 7, wherein: in S4, when the filter screen (25) is replaced, oil pouring is stopped, and the first motor (151) is turned off.

Technical Field

The invention relates to a sesame oil squeezing and screening device, in particular to a sesame oil squeezing and screening device and method.

Background

The sesame oil is prepared by extracting sesame oil which is extracted from sesame and has special fragrance, so the sesame oil is called sesame oil, and the extraction method is generally divided into a squeezing method, a filter pressing method and a water substitution method.

Chinese patent CN207845595U discloses an automatic sesame oil extraction device, which comprises a box body, a clapboard is fixedly connected with the top between the two sides of the inner wall of the box body, the top of the clapboard is fixedly connected with an oil receiving frame, a support is movably connected between the bottom of the inner wall of the oil receiving frame and the top of the inner wall of the box body, the bottom between the two sides of the inner wall of the box body is fixedly connected with a bottom plate, the top of the bottom plate is movably connected with a filter box through a pulley, the bottom of the inner wall of the box body is fixedly connected with a first motor, the sesame oil automatic extraction equipment improves the convenience and the rapidness of operation by fixedly connecting the bottom of the surface of the support with the first grinding plate, combines grinding and extraction into a device to reduce the working difficulty, and is characterized in that the bottom of the inner wall of the box body is fixedly connected with the first motor, the extracted oil is filtered and then discharged, so that the quality of the sesame oil is improved, and the sales force is improved.

Although this application has solved the problem in the background art to a certain extent, rose box simple structure in this application, the filter does not have cleaning function, and the filter blocks up easily when using, influences the filter effect.

Disclosure of Invention

The invention aims to provide a sesame oil squeezing and screening device and method, wherein a first motor drives a first connecting rod to rotate, so that a second connecting rod rotates, one end of a screening box moves up and down to filter sesame oil, meanwhile, a filtering net is of an annular structure, the upper surface and the lower surface of the filtering net can be used for filtering, and the filtering net can be cleaned, so that the problems in the background art are solved.

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

a sesame oil squeezing and screening device comprises a bottom water containing groove, wherein first supports are symmetrically connected to two sides of one end of the bottom water containing groove, a screening box is hinged to the upper end of each first support, second supports are symmetrically connected to two sides of the other end of the bottom water containing groove, a first connecting rod is hinged to the upper end of each second support, a second connecting rod is hinged to one end of each first connecting rod, the upper end of each second connecting rod is hinged to one end of the screening box, an installation plate is connected to the side portion, close to one end of each second support, of the bottom water containing groove, a first motor is installed on the installation plate, and the output end of the first motor penetrates through the second supports and is connected with the first connecting rods;

the oil tank is fixedly connected inside the screening box, an oil discharge pipe is connected to one side of the oil tank, rotary rollers are symmetrically connected inside the screening box at the lower end of the oil tank, a filter screen is sleeved on the rotary rollers, a movable groove is symmetrically formed in one side of the screening box, a second motor is installed on one side, close to the movable groove, of the screening box, the output end of the second motor is connected with a lead screw, the upper end of the lead screw is fixedly connected with the side wall of the screening box through a bearing, a movable frame is meshed on the lead screw, a scraper is connected inside one end of the screening box, a heating resistance wire is installed inside the other end of the screening box, and a fan is installed;

the intermediate position fixedly connected with thread bush of adjustable shelf, the symmetric connection has the slider on the adjustable shelf of thread bush both sides, and the both ends symmetric connection of adjustable shelf has the fixed plate, and one side of fixed plate upper end is connected with the connecting plate, and the one end of connecting plate is connected with the clamp plate, and in the lower extreme of clamp plate extended to the oil groove, be connected with the elasticity roller on the fixed plate of clamp plate below, the elasticity roller ran through the activity groove.

Preferably, the bottom water containing tank is obliquely arranged, one end of the bottom water containing tank, which is close to the second support, is lower than the other end of the bottom water containing tank, one end of the bottom water containing tank, which is close to the second support, is fixedly connected with a drain pipe, and a water spraying pipe is connected to the middle position of the bottom water containing tank.

Preferably, the filter screen is sleeved outside the oil tank, and both ends of the oil tank are smooth cambered surfaces.

Preferably, the scraper blade slope sets up, and the lower one end in position of scraper blade runs through the sieve workbin, sets up on the sieve workbin with scraper blade assorted row cinder notch.

Preferably, the side wall of the screening box is provided with a limit groove matched with the sliding block, and the sliding block is movably connected with the limit groove.

Preferably, one end of the rotating roller is connected with a third motor, and the third motor is installed on the side wall of the screening box.

Another technical problem to be solved by the present invention is to provide a material sieving method of a sesame oil squeezing material sieving device, comprising the following steps:

s1: the second motor rotates to drive the movable frame to move downwards integrally, the two ends of the filter screen are pressed into the oil groove by the pressing plate, and a certain gap is reserved between the filter screen and the bottom of the oil groove;

s2: the first motor is started to work, the first motor rotates to drive the first connecting rod to rotate, meanwhile, the second connecting rod drives one end of the screening box to shake up and down, and the other end of the screening box rotates around the first support;

s3: pouring oil into the oil groove, filtering the squeezed sesame oil through a filter screen into the oil groove, shaking the oil groove under the action of a material drying box to accelerate the filtering effect, leading out the filtered sesame oil through an oil discharge pipe, and leaving oil residues on the filter screen;

s4: when the oil residue on the filter screen is excessive, the second motor is started to rotate to drive the movable frame to move upwards, the pressing plate and the elastic roller move upwards simultaneously, the upper surface of the filter screen is loosened, the lower surface of the filter screen is tightly pressed by the elastic roller, the third motor rotates to drive the rotary roller to rotate, and the filter screen follows the rotary roller to move;

s5: when the filter screen moves to the position of the scraper blade, the scraper blade scrapes the surface of the filter screen to scrape off oil residues, the scraper blade is obliquely arranged, the oil residues slide out of a residue discharge port along the surface of the scraper blade, the filter screen continues to move until the filter screen below the oil groove moves to the upper surface of the oil groove, the third motor is turned off, the first motor is turned on, meanwhile, the second motor rotates to drive the movable frame to move downwards, and oil pouring and filtering are continued;

s6: the water spray pipe sprays water to the filter screen below the oil tank to wash the filter screen, the filter screen shakes along with the screen material box, the washing range is improved, washing water is concentrated on the bottom water containing tank and is discharged through the drain pipe, after washing is completed, the water spray pipe is closed, the filter screen shakes along with the screen material box, a part of moisture can be thrown away, and the filter screen is dried;

s7: and when the filter screen is cleaned next time, repeating S4 and S5, and simultaneously turning on the fan and the heating resistance wire to dry the filter screen below the oil groove.

Preferably, in S3, the filter screen is of an annular structure, and an anti-slip coating is provided on an inner wall of the filter screen.

Preferably, in S4, when the filter screen is replaced, the oil pouring is stopped and the first motor is turned off.

Compared with the prior art, the invention has the beneficial effects that:

the invention provides a sesame oil squeezing and screening device and a sesame oil squeezing and screening method.A screening box is hinged on a water containing groove at the bottom through a support, a first motor drives a first connecting rod to rotate, so that a second connecting rod rotates to realize the up-and-down movement of one end of the screening box and the filtration of sesame oil, meanwhile, a filter screen adopts an annular structure, the upper surface and the lower surface of the filter screen can be used for filtration, when the upper surface of the filter screen is seriously blocked, the filter screen can be rotated to replace the filtration surface of the filter screen, and the filter screen is provided with a scraper and a water spray pipe, can be cleaned, and is provided with a movable frame which can move up and down through a third motor and is used for adjusting.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a partial block diagram of the sieve box of the present invention;

FIG. 4 is a diagram of the screen box filtering state of the present invention;

FIG. 5 is a diagram of a screen box screen change state of the present invention;

FIG. 6 is a rear view of the sieve box of the present invention;

FIG. 7 is a view of the screen and squeegee position configuration of the present invention;

fig. 8 is a structural view of a movable frame of the present invention.

In the figure: 1. a water tank at the bottom; 11. a first bracket; 12. a second bracket; 13. a first link; 14. a second link; 15. mounting a plate; 151. a first motor; 16. a drain pipe; 17. a water spray pipe; 2. screening the material box; 21. an oil sump; 211. an oil discharge pipe; 22. rotating the roller; 221. a third motor; 23. a movable groove; 24. a second motor; 241. a screw rod; 25. a filter screen; 26. a squeegee; 27. heating resistance wires; 28. a fan; 29. a slag discharge port; 3. a movable frame; 31. a threaded sleeve; 32. a slider; 33. a fixing plate; 34. a connecting plate; 35. pressing a plate; 36. and (4) a tension roller.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, a sesame oil squeezing and sieving device includes a bottom water tank 1, wherein two sides of one end of the bottom water tank 1 are symmetrically connected with a first bracket 11, the upper end of the first bracket 11 is hinged with a sieving box 2, two sides of the other end of the bottom water tank 1 are symmetrically connected with a second bracket 12, the upper end of the second bracket 12 is hinged with a first connecting rod 13, one end of the first connecting rod 13 is hinged with a second connecting rod 14, the upper end of the second connecting rod 14 is hinged with one end of the sieving box 2, the side part of the bottom water tank 1 near one end of the second bracket 12 is connected with a mounting plate 15, a first motor 151 is mounted on the mounting plate 15, the output end of the first motor 151 penetrates through the second bracket 12 and is connected with the first connecting rod 13, when the first motor 151 works, the first connecting rod 13 is driven to rotate, the second connecting rod 14 is driven to rotate, so as to drive one end of the sieving box 2 to move, the bottom water containing groove 1 is obliquely arranged, one end, close to the second support 12, of the bottom water containing groove 1 is lower than the other end of the bottom water containing groove, the bottom water containing groove 1 is close to one end of the drain pipe 16 fixedly connected with the second support 12, waste water is discharged through the drain pipe 16, a water spraying pipe 17 is connected to the middle position of the bottom water containing groove 1, and the water spraying pipe 17 is used for spraying water to a filter screen 25 at the bottom of the oil groove 21 to play a role in cleaning the filter screen 25.

Referring to fig. 3-7, an oil tank 21 is fixedly connected inside a sieve box 2, an oil discharge pipe 211 is connected to one side of the oil tank 21, the oil discharge pipe 211 is used for guiding filtered sesame oil out, rotary rollers 22 are symmetrically connected inside the sieve box 2 at the lower end of the oil tank 21, the rotary rollers 22 play a role in guiding, one end of the rotary roller 22 is connected to a third motor 221, the third motor 221 is installed on the side wall of the sieve box 2, the third motor 221 is used for controlling the rotary roller 22 to rotate and driving a filter screen 25 to rotate, the rotary roller 22 is sleeved with the filter screen 25, the filter screen 25 is sleeved outside the oil tank 21, the filter screen 25 can rotate outside the oil tank 21, both ends of the oil tank 21 are smooth cambered surfaces, so as to reduce friction force between the filter screen 25, a movable groove 23 is symmetrically formed in one side of the sieve box 2, a second motor 24 is installed at one side of the sieve box 2 close to the movable groove, the upper end of a screw rod 241 is fixedly connected with the side wall of a screening box 2 through a bearing, a movable frame 3 is meshed on the screw rod 241, a scraper 26 is connected inside one end of the screening box 2, the scraper 26 is obliquely arranged, the lower end of the scraper 26 penetrates through the screening box 2, one side of the scraper 26 is in contact with a filter screen 25 and is used for scraping away oil residue, a residue discharge port 29 matched with the scraper 26 is formed in the screening box 2, a heating resistance wire 27 is arranged inside the other end of the screening box 2, a fan 28 is arranged at one end, close to the heating resistance wire 27, of the screening box 2, the heating resistance wire 27 is electrified to generate heat, the heat is diffused through the fan 28, and the effect of drying the filter screen 25 is achieved;

referring to fig. 8, a threaded sleeve 31 is fixedly connected to the middle of the movable frame 3, the threaded sleeve 31 is engaged with the lead screw 241, the second motor 24 drives the lead screw 241 to rotate, so as to control the movable frame 3 to move up and down, sliders 32 are symmetrically connected to the movable frame 3 on two sides of the threaded sleeve 31, a limit groove matched with the sliders 32 is formed in the side wall of the screening box 2, the sliders 32 are movably connected to the limit groove, the sliders 32 assist the movable frame 3 to move up and down, fixing plates 33 are symmetrically connected to two ends of the movable frame 3, a connecting plate 34 is connected to one side of the upper end of the fixing plate 33, a pressing plate 35 is connected to one end of the connecting plate 34, the lower end of the pressing plate 35 extends into the oil groove 21, a tightening roller 36 is connected to the fixing plate 33 below the pressing plate 35, the tightening roller 36 penetrates through the movable.

In order to better show the specific use flow of the sesame oil extraction screening device, the embodiment provides a screening method of the sesame oil extraction screening device, which includes the following steps:

the first step is as follows: the second motor 24 rotates to drive the movable frame 3 to move downwards integrally, the two ends of the filter screen 25 are pressed into the oil groove 21 by the pressing plate 35, a certain gap is reserved between the filter screen 25 and the bottom of the oil groove 21, and when the pressing plate 35 moves to the lowest end under the action of the connecting plate 34, the filter screen 25 has a gap from the oil groove 21 and is used for storing filtered sesame oil;

the second step is that: the first motor 151 is started to work, the first motor 151 rotates to drive the first connecting rod 13 to rotate, meanwhile, the second connecting rod 14 drives one end of the screening box 2 to shake up and down, the other end of the screening box 2 rotates around the first support 11, the shaking screening box 2 can accelerate the filtering speed of sesame oil, and meanwhile, the blockage of the filter screen 25 can be reduced;

the third step: pouring oil into the oil groove 21, filtering the squeezed sesame oil through the filter screen 25 and allowing the squeezed sesame oil to enter the oil groove 21, shaking the oil groove 21 under the action of the screening box 2 to accelerate the filtering effect, leading the filtered sesame oil out through the oil discharge pipe 211, leaving oil residues on the filter screen 25, enabling the filter screen 25 to be of an annular structure, enabling the upper surface and the lower surface of the filter screen 25 to be used for filtering, and enabling the inner wall of the filter screen 25 to be provided with an anti-skidding coating which can prevent the rotating roller 22 from skidding;

the fourth step: when the oil residue on the filter screen 25 is excessive, the second motor 24 is started to rotate to drive the movable frame 3 to move upwards, the pressing plate 35 and the elastic roller 36 move upwards simultaneously, the upper surface of the filter screen 25 is loosened, the lower surface of the filter screen 25 is tightly pressed by the elastic roller 36, the third motor 221 rotates to drive the rotary roller 22 to rotate, the filter screen 25 moves along with the rotary roller 22, when the filter screen 25 is replaced, the oil pouring is stopped, the first motor 151 is closed, and when the filter screen 25 below moves to the position above the oil groove 21, the oil pouring and the filtering can be continued;

the fifth step: when the filter screen 25 moves to the position of the scraper 26, the scraper 26 scrapes the surface of the filter screen 25 to scrape off oil residues, the scraper 26 is arranged obliquely, the oil residues slide out of the residue discharge port 29 along the surface of the scraper 26, the filter screen 25 continues to move until the filter screen 25 below the oil groove 21 moves to the upper surface of the oil groove 21, the third motor 221 is turned off, the first motor 151 is turned on, and meanwhile, the second motor 24 rotates to drive the movable frame 3 to move downwards to continue oil pouring and filtering;

and a sixth step: the water spray pipe 17 sprays water to the filter screen 25 below the oil groove 21 to wash the filter screen 25, the filter screen 25 shakes along with the sieve box 2, the washing range is improved, the washing water is collected on the bottom water containing tank 1 and is discharged through the water discharge pipe 16, after the washing is finished, the water spray pipe 17 is closed, the filter screen 25 shakes along with the sieve box 2, a part of water can be thrown away, and the filter screen is dried;

eighth step: and when the filter screen 25 is cleaned next time, repeating the fourth step and the fifth step, and simultaneously turning on the fan 28 and the heating resistance wire 27 to dry the filter screen 25 below the oil groove 21.

In summary, the sesame oil squeezing and screening device and method provided by the invention are characterized in that a screening box 2 is hinged on a water containing tank 1 at the bottom through a support, a first motor 151 drives a first connecting rod 13 to rotate, so that a second connecting rod 14 rotates, one end of the screening box 2 moves up and down to filter sesame oil, meanwhile, a filtering net 25 adopts an annular structure, the upper surface and the lower surface of the filtering net 25 can be used for filtering, when the upper surface of the filtering net 25 is seriously blocked, the filtering net 25 can be rotated to replace the filtering surface of the filtering net 25, a scraping plate 26 and a water spraying pipe 17 are arranged to clean the filtering net 25, a movable frame 3 is arranged, the movable frame 3 moves up and down through a third motor 221 to adjust the tightness and the sinking degree of the filtering net 25.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.