CN110355088B - Cylindrical screen convenient to clean and used for grain processing and operation method thereof - Google Patents
Cylindrical screen convenient to clean and used for grain processing and operation method thereof Download PDFInfo
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- CN110355088B CN110355088B CN201910641678.0A CN201910641678A CN110355088B CN 110355088 B CN110355088 B CN 110355088B CN 201910641678 A CN201910641678 A CN 201910641678A CN 110355088 B CN110355088 B CN 110355088B
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- main body
- cylindrical screen
- screen main
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- support
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/50—Cleaning
- B07B1/55—Cleaning with fluid jets
Abstract
The invention discloses a cylindrical screen convenient to clean for grain processing and an operation method thereof, wherein the cylindrical screen comprises a first support, a second support, a cylindrical screen main body and an air blower; the drum screen main body and the air blower are both arranged on a second support, the drum screen main body obliquely stretches across the second support, the air blower is arranged at one end of the drum screen main body, the first support and the second support are arranged horizontally in parallel, the first support is provided with a speed reducing mechanism, the speed reducing mechanism is connected with the drum screen main body through a transmission mechanism, the transmission mechanism is connected with one end of a rotating shaft, and the other end of the rotating shaft is arranged on one side of the air blower; the air nozzles for blowing the air flow of the cylindrical screen main body are arranged on the rotating shaft, so that the air flow is blown downwards in a directional mode, the grids of the inner cylinder are not blocked, the cleaning can be kept after long-term work, the cylindrical screen main body can be horizontally laid down for cleaning when a large amount of dust is accumulated, the cylindrical screen main body is quickly and effectively cleaned, and the maintenance cost and the maintenance time are reduced.
Description
Technical Field
The invention relates to the technical field of grain processing, in particular to a cylindrical sieve convenient to clean for grain processing and an operation method thereof.
Background
The cylindrical screen main body is a common cleaning mode in a grain cleaning machine, the cylindrical screen main body can enable grains to continuously rotate under the rotation action, impurities of the grains are exposed on the surfaces of the grains through the rotation, and light dust, weeds and other substances attached to the surfaces of the grains are blown off through the action of flowing wind power, so that the grains stored in a warehouse have high cleanliness.
At present, the cylindrical screen used for grain processing has various main body varieties, but the principles are different, the mode becomes a new problem in cleaning the circular screen cylinder after the grains are cleaned, the size of the main body of the circular screen is not suitable for adults to clean, if there is a certain safety risk in entering the cleaning, and in addition now each cleaning requires the cylinder screen body to be removed, and the cleaning is carried out by a high-pressure water gun, the time cost and the labor cost of maintenance are greatly increased, the patent number is CN203565315U, the patent name is that a cylindrical sieve main body for grain composite cleaning provides a cylindrical sieve main body for grain cleaning, the grain is kept clean by limiting the size of different grains and by blowing in reverse airflow, but also, the patent does not solve the problem of cleaning the cylindrical screen main body, so that how to conveniently clean the cylindrical screen main body on the basis of the original work is the problem to be solved by the invention.
Disclosure of Invention
The invention aims to provide a cylindrical sieve convenient to clean for grain processing and an operation method thereof, and solves the following technical problems:
1) after the cylindrical screen main body is cleaned by grain cleaning, the cylindrical screen main body is difficult to clean;
2) the grain outlet of the traditional cylindrical screen main body is far larger than the dust outlet, so that the dust outlet is easily accumulated in a large amount;
3) cleaning of the cylindrical screen body adds labor and time costs.
The purpose of the invention can be realized by the following technical scheme:
a cylindrical screen convenient to clean for grain processing comprises a first support, a second support, a cylindrical screen main body and an air blower; the drum screen main body and the air blower are both arranged on the second support, the drum screen main body obliquely stretches across the second support, the air blower is arranged at one end of the drum screen main body, the first support and the second support are arranged in parallel and horizontally, the first support is provided with a speed reducing mechanism, the speed reducing mechanism and the drum screen main body are connected through a transmission mechanism, one end of a second coupling on the transmission mechanism is connected with one end of a rotating shaft, and the other end of the rotating shaft is arranged on one side of the air blower;
the rotary shaft penetrates through the center line of the cylindrical screen main body, one end of the rotary shaft is installed on a first fixing seat, the bottom of the first fixing seat is installed above a second support in a hinged mode, the other end of the rotary shaft is installed on a second fixing seat, the lower portion of the second fixing seat is installed on a pneumatic cylinder, the rotary shaft is composed of a shaft baffle and a main shaft, two ends of the shaft baffle are installed on the outer sides of the first fixing seat and the second fixing seat respectively, two ends of the main shaft are installed in inner rings of bearings of the first fixing seat and the second fixing seat respectively, the main shaft is connected with the inner side of the cylindrical screen main body through a plurality of fixing rods, and the fixing rods are installed in the middle of the main shaft in a welded mode;
the main shaft is hollow tubular structure, and the inside shaft hole of main shaft is sealed in first fixing base one end, and the shaft hole is connected at second fixing base one end and tuber pipe, and the outside at second fixing base bearing is installed to the tuber pipe, and the main shaft is provided with a plurality of tuyeres from the shaft hole to the radial of axle baffle, and the axial arrangement is equidistant to the tuyeres.
As a further scheme of the invention: grain conveyer belt is installed to first support below, and the grain conveyer belt is trapezoidal box-like structure, and the pedestrian's ladder is installed to one side of first support, and the pedestrian's ladder slant is installed on the mounting platform of drum sieve main part.
As a further scheme of the invention: the second support is provided with a collecting tank under the cylindrical screen main body, the collecting tank is of a conical structure, and the bottom of the collecting tank is sealed through a cloth bag.
As a further scheme of the invention: the motor is arranged on one side of the speed reducing mechanism, the motor is installed on the speed reducing mechanism through the coupler, the speed reducing mechanism is driven to the first transmission shaft through the gear, the first transmission shaft is fixedly connected with the rotating shaft through the first coupler, and the motor and the rotating shaft are arranged on two sides of the speed reducing mechanism in a staggered mode.
As a further scheme of the invention: drive mechanism passes through the locking dish and installs first spacing groove and second spacing groove dorsad, first spacing groove and second spacing inslot portion all are provided with the connection ball, the end connection that stretches out of connection ball and first connector on the first spacing groove, the end connection that stretches out of connection ball and second coupling on the second spacing groove, the end length that stretches out of first connector and second coupling all is greater than the groove depth in first spacing groove and second spacing groove, the disc diameter of first connector and second coupling is greater than the opening diameter in first spacing groove and second spacing groove.
As a further scheme of the invention: the drum sieve main body comprises urceolus and inner tube, and the urceolus bottom is open structure, and the urceolus is provided with the discharge gate in first fixing base one side below, and the urceolus is provided with the feed inlet in second fixing base one side top, and the inner tube is the grid structure, and the size of net is less than the size of grain.
As a further scheme of the invention: the air-blower passes through the tuber pipe to be connected on the main shaft, and the tuber pipe is soft materials, and the setting of second fixing base is being close to drum sieve main part one end, and the top at the pneumatic cylinder telescopic link is installed to second fixing base bottom, the vertical fixed mounting of pneumatic cylinder, and the pneumatic cylinder extension bar maximum distance is the upper surface of second support, and the second support is provided with manual lock on the pneumatic cylinder maximum position, and manual lock is the rotary disk structure.
As a further scheme of the invention: the discharge gate position is installed the guide plate, and the other section of guide plate sets up in the top of grain conveyer belt, and the guide plate slant is installed on drum sieve main part and grain conveyer belt.
As a further scheme of the invention: the operation method of the cylindrical sieve convenient for cleaning for grain processing comprises the following specific steps:
the method comprises the following steps that firstly, a pneumatic cylinder is lifted upwards, one end of a cylindrical screen main body is inclined upwards, a first fixing seat at the other end of the cylindrical screen main body rotates under the hinged action, and the maximum inclination angle of the cylindrical screen main body is 20 degrees;
step two, starting a motor and an air blower, wherein the motor drives a main shaft to rotate, the main shaft drives an inner cylinder to rotate through a fixed rod, pressurized airflow of the air blower flows into a shaft hole, and the airflow is pressurized again through an air nozzle and flows to grids on the inner cylinder;
thirdly, the grains rotate in the cylindrical screen main body, the main shaft and the shaft baffle are matched to adjust the wind direction to be right below, dust and impurities on the grains enter the position of the collecting groove through grids on the inner cylinder, and the grains pass through the oblique guide plate through the discharge hole and fall onto the grain conveying belt;
and step four, stopping the work of the cylindrical screen main body, contracting a telescopic rod of the pneumatic cylinder, enabling two ends of the cylindrical screen main body to be on a horizontal line, starting the air blower and the motor again, cleaning the inner cylinder and the outer cylinder by using wind pressure, enabling larger particles to flow out of the cylindrical screen main body through a guide plate, opening a cloth bag below the collecting tank, and cleaning the collecting tank.
The invention has the beneficial effects that:
1. the cylindrical screen for grain processing convenient to clean changes the structure of the traditional cylindrical screen main body, so that the outlets of grain dust and sundries are arranged right below the cylindrical screen main body, and has larger dust falling space to avoid blocking a dust outlet due to more dust in the cleaning process of a large amount of processed grains, the grain outlet arranged on the side surface can completely meet the output of the cleaned grains, the collecting box with the conical structure can lead the dust and sundries to be continuously gathered downwards, the collected dust is quickly processed by opening the bag opening at the lower part, the cylindrical screen main body is obliquely arranged when working, so that the cylindrical screen main body can normally work and is horizontally arranged when being cleaned, the sundries and dust gathered in the cylindrical screen main body can be quickly leaked out, and the larger sundries can not be output through the grid holes and can also be discharged through the discharge hole, so that the gathered and agglomerated sundries can be quickly cleaned.
2. The transmission structure is connected in a segmented manner, so that the horizontal and inclined arrangement of the cylindrical screen main body can be rotated, the cylindrical screen main body is prevented from being damaged due to excessive vibration by the limiting action of the first limiting groove and the second limiting groove, and the universal rotation of the first limiting groove and the second limiting groove can be realized by the arrangement of the connecting ball; the tubular structure of the main shaft and the dense arrangement of the air nozzles enable the cylindrical screen main body to directionally blow a large amount of impurities and dust to the position right below the inner cylinder when the grains are cleaned, the inner cylinder which rotates continuously enables the grains to continuously rub against the inner wall of the inner cylinder, and the blockage of grids caused by the fact that a large amount of dust is gathered on the grids of the inner cylinder is avoided.
3. The air nozzles for blowing the air flow of the cylindrical screen main body are arranged on the rotating shaft, so that the air flow is blown downwards in a directional mode, the grids of the inner cylinder are not blocked, the cleaning can be kept after long-term work, the cylindrical screen main body can be horizontally laid down for cleaning when a large amount of dust is accumulated, the cylindrical screen main body is quickly and effectively cleaned, and the maintenance cost and the maintenance time are reduced.
Drawings
The invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic front view of the overall structure of the present invention.
Fig. 2 is a schematic left side view of the overall structure of the present invention.
Fig. 3 is a schematic view of the connecting structure of the speed reducing mechanism and the transmission mechanism in the invention.
Figure 4 is a schematic axial construction of the cylindrical screen body of the present invention.
Fig. 5 is a schematic axial sectional view of a rotating shaft according to the present invention.
Reference numerals: 1. a first bracket; 11. a grain conveyor belt; 12. a pedestrian ladder; 2. a second bracket; 21. a first fixed seat; 22. collecting tank; 3. a speed reduction mechanism; 31. a motor; 32. a coupling; 33. a first drive shaft; 4. a transmission mechanism; 41. a first coupling; 42. a second coupling; 43. a first limit groove; 44. a second limit groove; 45. a locking disc; 46. a connecting ball; 5. a cylindrical screen body; 50. a discharge port; 51. a rotating shaft; 52. a shaft baffle; 53. a main shaft; 54. a tuyere; 55. a shaft hole; 56. fixing the rod; 57. an outer cylinder; 58. an inner barrel; 59. a baffle; 6. a blower; 61. a second fixed seat; 62. an air duct; 63. a pneumatic cylinder; 64. and (4) manually locking.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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. 1-5, the present invention is a cylindrical screen for grain processing, which is convenient to clean, and comprises a first bracket 1 and a second bracket 2, a cylindrical screen main body 5 and a blower 6; the cylindrical screen main body 5 and the air blower 6 are both arranged on the second support 2, the cylindrical screen main body 5 obliquely crosses over the second support 2, the air blower 6 is arranged at one end of the cylindrical screen main body 5, the first support 1 and the second support 2 are arranged in parallel and horizontally, the speed reducing mechanism 3 is arranged on the first support 1, the speed reducing mechanism 3 and the cylindrical screen main body 5 are connected through the transmission mechanism 4, one end of the second coupling 42 on the transmission mechanism 4 is connected with one end of the rotating shaft 51, and the other end of the rotating shaft 51 is arranged on one side of the air blower 6; the outlet of grain dust and debris sets up under the drum sieve main part, and great dust falls into the space, avoid handling in a large number that the grain clearance in-process dust is more and block up the dust export, the grain export that the side set up can satisfy the grain output after the clearance completely, the collecting box of toper structure can make dust and debris constantly downward gathering, handle the dust of collection fast through the sack opening of opening the below, drum sieve main part during operation slope sets up, make drum sieve main part normal work, horizontal setting during drum sieve main part clearance, can make the inside debris of gathering in drum sieve main part and dust spill fast, great debris can not pass through check hole output, also can discharge through the discharge gate, make the debris of gathering into a group also can very fast clearance.
The rotating shaft 51 penetrates through the center line of the cylindrical screen main body 5, one end of the rotating shaft 51 is installed on a first fixed seat 21, the bottom of the first fixed seat 21 is installed above the second support 2 in a hinged mode, the other end of the rotating shaft 51 is installed on a second fixed seat 61, the lower portion of the second fixed seat 61 is installed on a pneumatic cylinder 63, the rotating shaft 51 consists of a shaft baffle plate 52 and a main shaft 53, two ends of the shaft baffle plate 52 are installed on the outer sides of the first fixed seat 21 and the second fixed seat 61 respectively, two ends of the main shaft 53 are installed in inner rings of bearings of the first fixed seat 21 and the second fixed seat 61 respectively, the main shaft 53 is connected with the inner side of the cylindrical screen main body 5 through a plurality of fixing rods 56, and the fixing rods 56 are installed in the middle position of the main shaft 53 in a welding mode;
the main shaft 53 is of a hollow tubular structure, a shaft hole 55 in the main shaft 53 is sealed at one end of the first fixing seat 21, the shaft hole 55 is connected with the air pipe 62 at one end of the second fixing seat 61, the air pipe 62 is installed on the outer side of a bearing of the second fixing seat 61, a plurality of air nozzles 54 are radially arranged on the main shaft 53 from the shaft hole 55 to the shaft baffle plate 52, and the air nozzles 54 are axially arranged at equal intervals. The tubular structure of the main shaft and the dense arrangement of the air nozzles enable the cylindrical screen main body to directionally blow a large amount of impurities and dust to the position right below the inner cylinder when the grains are cleaned, the inner cylinder which rotates continuously enables the grains to continuously rub against the inner wall of the inner cylinder, and the blockage of grids caused by the fact that a large amount of dust is gathered on the grids of the inner cylinder is avoided.
Grain conveyer belt 11 is installed to first support 1 below, and grain conveyer belt 11 is trapezoidal box-like structure, and pedestrian's ladder 12 is installed to one side of first support 1, and pedestrian's ladder 12 slant is installed on the mounting platform of drum sieve main part 5.
The second support 2 is provided with a collecting tank 22 under the cylindrical screen main body 5, the collecting tank 22 is of a conical structure, and the bottom of the collecting tank 22 is sealed through a cloth bag.
The motor 31 is arranged on one side of the speed reducing mechanism 3, the motor 31 is installed on the speed reducing mechanism 3 through the coupler 32, the speed reducing mechanism 3 is transmitted to the first transmission shaft 33 through a gear, the first transmission shaft 33 is fixedly connected with the rotating shaft 51 through the first coupler 41, and the motor 31 and the rotating shaft 51 are arranged on two sides of the speed reducing mechanism 3 in a staggered mode.
The transmission mechanism 4 is characterized in that the first limiting groove 43 and the second limiting groove 44 are installed in a back-to-back mode through the locking disc 45, the first limiting groove 43 and the second limiting groove 44 are internally provided with connecting balls 46, the connecting balls 46 on the first limiting groove 43 are connected with the extending end of the first connector 41, the connecting balls 46 on the second limiting groove 44 are connected with the extending end of the second connector 42, the length of the extending end of the first connector 41 and the length of the extending end of the second connector 42 are larger than the depth of the first limiting groove 43 and the depth of the second limiting groove 44, and the diameter of a disc of the first connector 41 and the diameter of a disc of the second connector 42 are larger than the opening diameter of the first limiting groove 43 and the opening diameter of the second limiting groove 44. The segmentation of transmission structure is connected, can realize that the level and the slope of drum sieve main part set up all can rotate in fact, and the limiting displacement of first spacing groove and second spacing groove makes the drum sieve main part avoid too big vibrations to lead to the damage of equipment, and the universal rotation of first spacing groove and second spacing groove can be realized in the setting of connecting the ball.
The cylindrical screen main body 5 is composed of an outer cylinder 57 and an inner cylinder 58, the bottom of the outer cylinder 57 is of an opening structure, a discharge hole 50 is formed in the lower portion of the outer cylinder 57 on one side of the first fixing seat 21, a feed hole is formed in the upper portion of the outer cylinder 57 on one side of the second fixing seat 61, the inner cylinder 58 is of a grid structure, and the size of the grid is smaller than that of grains.
The air blower 6 is connected to the main shaft 53 through an air pipe 62, the air pipe 62 is made of soft materials, the second fixing seat 61 is arranged at one end close to the cylindrical screen main body 5, the bottom of the second fixing seat 61 is installed at the top of an expansion rod of the pneumatic cylinder 63, the pneumatic cylinder 63 is vertically and fixedly installed, the maximum distance of an extension rod of the pneumatic cylinder 63 is the upper surface of the second support 2, the second support 2 is provided with a manual lock 64 at the maximum position of the pneumatic cylinder 63, and the manual lock 64 is of a rotary disc structure.
A guide plate 59 is arranged at the position of the discharge port 50, the other section of the guide plate 59 is arranged above the grain conveyor belt 11, and the guide plate 59 is obliquely arranged on the cylindrical screen main body 5 and the grain conveyor belt 11.
The operation method of the cylindrical sieve convenient for cleaning for grain processing comprises the following specific steps:
step one, the pneumatic cylinder 63 is lifted upwards, one end of the cylindrical screen main body 5 is inclined upwards, the first fixing seat 21 at the other end of the cylindrical screen main body 5 rotates under the hinging action, and the maximum inclination angle of the cylindrical screen main body 5 is 20 degrees;
step two, starting the motor 31 and the blower 6, wherein the motor 31 drives the main shaft 53 to rotate, the main shaft 53 drives the inner cylinder 58 to rotate through the fixed rod 56, the pressurized airflow of the blower 6 flows into the shaft hole 55, and the airflow is pressurized again through the air nozzle 54 and flows to the grids on the inner cylinder 58;
thirdly, the grains rotate in the cylindrical screen main body 5, the main shaft 53 is matched with the shaft baffle plate 52 to adjust the wind direction to be right below, dust and impurities on the grains enter the position of the collecting groove 22 through grids on the inner cylinder 58, and the grains fall on the grain conveying belt 11 through the discharge hole 50 and the inclined guide plate 59;
and step four, stopping the work of the cylindrical screen main body 5, contracting the telescopic rods of the pneumatic cylinders 63, enabling the two ends of the cylindrical screen main body 5 to be on the horizontal line, starting the air blower 6 and the motor 31 again, cleaning the inner cylinder 58 and the outer cylinder 57 by the air pressure, enabling larger particles to flow out of the cylindrical screen main body 5 through the guide plate 59, finally opening the cloth bag below the collecting tank 22, and cleaning the collecting tank 22.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
Claims (8)
1. A cylindrical screen convenient to clean for grain processing comprises a first support (1) and a second support (2), and is characterized by further comprising a cylindrical screen main body (5) and an air blower (6); the drum screen comprises a drum screen main body (5) and an air blower (6), wherein the drum screen main body (5) and the air blower (6) are both installed on a second support (2), the drum screen main body (5) obliquely stretches across the second support (2), the air blower (6) is arranged at one end of the drum screen main body (5), a first support (1) and the second support (2) are horizontally arranged in parallel, a speed reducing mechanism (3) is installed on the first support (1), the speed reducing mechanism (3) is connected with the drum screen main body (5) through a transmission mechanism (4), one end of a second coupling (42) on the transmission mechanism (4) is connected with one end of a rotating shaft (51), and the other end of the rotating shaft (51) is installed on one side of the air blower (6);
the rotary shaft (51) transversely penetrates through the central line of the cylindrical screen main body (5), one end of the rotary shaft (51) is installed on a first fixed seat (21), the bottom of the first fixed seat (21) is installed above a second support (2) in a hinged mode, the other end of the rotary shaft (51) is installed on a second fixed seat (61), the lower portion of the second fixed seat (61) is installed on a pneumatic cylinder (63), the rotary shaft (51) is composed of a shaft baffle (52) and a spindle (53), two ends of the shaft baffle (52) are installed on the outer sides of the first fixed seat (21) and the second fixed seat (61) respectively, two ends of the spindle (53) are installed in inner rings of bearings of the first fixed seat (21) and the second fixed seat (61) respectively, the spindle (53) is connected with the inner side of the cylindrical screen main body (5) through a plurality of fixing rods (56), and the fixing rods (56) are installed in the middle position of the spindle (53) in a welded mode;
the main shaft (53) is of a hollow tubular structure, a shaft hole (55) in the main shaft (53) is sealed at one end of the first fixing seat (21), the shaft hole (55) is connected with the air pipe (62) at one end of the second fixing seat (61), the air pipe (62) is installed on the outer side of a bearing of the second fixing seat (61), a plurality of air nozzles (54) are radially arranged on the main shaft (53) from the shaft hole (55) to the shaft baffle plate (52), and the air nozzles (54) are axially arranged at equal intervals;
the transmission mechanism (4) is characterized in that the first limiting groove (43) and the second limiting groove (44) are installed in a back-to-back mode through the locking disc (45), the first limiting groove (43) and the second limiting groove (44) are internally provided with the connecting ball (46), the connecting ball (46) in the first limiting groove (43) is connected with the extending end of the first coupler (41), the connecting ball (46) in the second limiting groove (44) is connected with the extending end of the second coupler (42), the length of the extending end of the first coupler (41) and the length of the extending end of the second coupler (42) are larger than the depth of the first limiting groove (43) and the depth of the second limiting groove (44), and the diameter of the disc of the first coupler (41) and the diameter of the disc of the second coupler (42) is larger than the opening diameter of the first limiting groove (43) and the opening diameter of the second limiting groove (44).
2. The cylindrical screen convenient for grain processing to clean as claimed in claim 1, characterized in that a grain conveyor belt (11) is installed below the first support (1), the grain conveyor belt (11) is of a trapezoidal box-shaped structure, a pedestrian ladder (12) is installed on one side edge of the first support (1), and the pedestrian ladder (12) is obliquely installed on a mounting platform of the cylindrical screen main body (5).
3. The cylindrical screen convenient for cleaning and used for grain processing as claimed in claim 1, wherein the second bracket (2) is provided with a collecting groove (22) under the cylindrical screen main body (5), the collecting groove (22) is of a conical structure, and the bottom of the collecting groove (22) is sealed by a cloth bag.
4. The cylindrical screen convenient for cleaning of grain processing as claimed in claim 1, wherein a motor (31) is arranged on one side of the speed reducing mechanism (3), the motor (31) is mounted on the speed reducing mechanism (3) through a coupling (32), the speed reducing mechanism (3) is driven to a first transmission shaft (33) through a gear, the first transmission shaft (33) is fixedly connected with a rotating shaft (51) through a first coupling (41), and the motor (31) and the rotating shaft (51) are arranged on two sides of the speed reducing mechanism (3) in a staggered manner.
5. The cylindrical screen convenient for cleaning of grain processing as claimed in claim 1, wherein the cylindrical screen body (5) is composed of an outer cylinder (57) and an inner cylinder (58), the bottom of the outer cylinder (57) is of an open structure, the outer cylinder (57) is provided with a discharge hole (50) below one side of the first fixed seat (21), the outer cylinder (57) is provided with a feed hole above one side of the second fixed seat (61), the inner cylinder (58) is of a grid structure, and the size of the grid is smaller than that of the grain.
6. The cylindrical screen convenient for cleaning of grain processing as claimed in claim 5, wherein a guide plate (59) is installed at the position of the discharge port (50), the other end of the guide plate (59) is arranged above the grain conveyor belt (11), and the guide plate (59) is obliquely installed on the cylindrical screen main body (5) and the grain conveyor belt (11).
7. The cylindrical screen convenient for cleaning and used for grain processing as claimed in claim 1, wherein the blower (6) is connected to the main shaft (53) through an air pipe (62), the air pipe (62) is made of soft material, the second fixing seat (61) is arranged at one end close to the cylindrical screen main body (5), the bottom of the second fixing seat (61) is arranged at the top of the telescopic rod of the pneumatic cylinder (63), the pneumatic cylinder (63) is vertically and fixedly arranged, the maximum distance of the extending rod of the pneumatic cylinder (63) is the upper surface of the second bracket (2), and the second bracket (2) is provided with a manual lock (64) at the maximum position of the pneumatic cylinder (63).
8. The method for operating the cylindrical screen convenient for cleaning in the grain processing as claimed in claim 6 is characterized in that the method for operating the cylindrical screen main body comprises the following steps:
the method comprises the following steps that firstly, a pneumatic cylinder (63) is lifted upwards, one end of a cylindrical screen main body (5) is inclined upwards, a first fixing seat (21) at the other end of the cylindrical screen main body (5) rotates under the action of hinging, and the maximum inclination angle of the cylindrical screen main body (5) is 20 degrees;
secondly, starting the motor (31) and the blower (6), wherein the motor (31) drives the main shaft (53) to rotate, the main shaft (53) drives the inner cylinder (58) to rotate through the fixed rod (56), the pressurized airflow of the blower (6) flows into the shaft hole (55), and the airflow is pressurized again through the air nozzle (54) and flows to the grids on the inner cylinder (58);
thirdly, the grains rotate in the cylindrical sieve main body (5), the main shaft (53) is matched with the shaft baffle plate (52) to adjust the wind direction to be right below, dust and impurities on the grains enter the position of the collecting groove (22) through grids on the inner cylinder (58), and the grains pass through the oblique guide plate (59) through the discharge hole (50) and fall on the grain conveyor belt (11);
and step four, stopping the work of the cylindrical screen main body (5), contracting a telescopic rod of the pneumatic cylinder (63), enabling two ends of the cylindrical screen main body (5) to be on a horizontal line, starting the air blower (6) and the motor (31) again, cleaning the inner cylinder (58) and the outer cylinder (57) by wind pressure, enabling larger particles to flow out of the cylindrical screen main body (5) through the guide plate (59), and finally opening a cloth bag below the collecting tank (22) to clean the collecting tank (22).
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| CN110976266A (en) * | 2019-12-19 | 2020-04-10 | 魏齐英 | Drum-type particulate matter sieving mechanism |
| CN111921861B (en) * | 2020-07-31 | 2021-10-12 | 安徽三虎机械科技有限公司 | Efficient environment-friendly multifunctional cleaning sieve and working method |
| CN113857027A (en) * | 2021-10-13 | 2021-12-31 | 双牌县丰泰农机设备有限公司 | Grain sieve separator |
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| DE102008042916A1 (en) * | 2007-12-10 | 2009-06-18 | Bühler AG | Screening machine for separating floury products or for cleaning bran, has flat or round screen, which comprises screen fabric made of plastic fiber, where screen fabric is provided partially with metallic layer made of silver or titanium |
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| CN205965592U (en) * | 2016-07-27 | 2017-02-22 | 浙江明佳环保科技有限公司 | Small -size fertilizer efficient mixer |
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Address after: 236500 west side of Xinyuan Road, Xicheng City, Jieshou City, Fuyang City, Anhui Province Patentee after: Anhui Zhengyu Grain Machinery Technology Co.,Ltd. Address before: 236500 west side of Xinyuan Road, Xicheng City, Jieshou City, Fuyang City, Anhui Province Patentee before: ANHUI ZHENGYU GRAIN MACHINERY CO.,LTD. |
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