CN115283260A - Three-screen-drum linkage type grain dust removal cleaning screen and using method thereof - Google Patents
Three-screen-drum linkage type grain dust removal cleaning screen and using method thereof Download PDFInfo
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- CN115283260A CN115283260A CN202211016324.5A CN202211016324A CN115283260A CN 115283260 A CN115283260 A CN 115283260A CN 202211016324 A CN202211016324 A CN 202211016324A CN 115283260 A CN115283260 A CN 115283260A
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- sieve
- thick bamboo
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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
- B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
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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
- B07B1/46—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
- B07B1/50—Cleaning
- B07B1/55—Cleaning with fluid jets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
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Abstract
The invention discloses a three-screen-drum linkage type grain dust removal cleaning screen and a using method thereof. According to the grain cleaning sieve, the arrangement of the outer sieve cylinder, the middle sieve cylinder and the inner sieve cylinder changes a single sieve cylinder type structure of the traditional grain cleaning sieve into a multi-sieve cylinder linkage type structure, and during operation, the outer sieve cylinder, the middle sieve cylinder and the inner sieve cylinder can rotate in multiple directions and multiple speeds.
Description
Technical Field
The invention relates to the technical field of cleaning sieves, in particular to a three-sieve-drum linkage type grain dust removal cleaning sieve and a using method thereof.
Background
When grains and grains are harvested, a plurality of weeds, straws, stones, dust and other impurities can be mixed, the impurities need to be cleaned before grain processing and warehousing, the cleanliness of the grains is improved, the quality of the grains is improved, the grains and the grains are convenient to store, the grains and the grains are prevented from going bad due to the impurities, and the storage life of the grains and the grains is prolonged.
In the prior art, a patent document with publication number CN105921411A discloses an environment-friendly grain vibrating cleaning sieve, which comprises a frame, a feeding device, a screening machine body and a dust removing device, wherein the screening machine body is a vibrating sieve arranged on the frame, the upper part of the screening machine body is provided with a feeding hole, the feeding hole is connected with the feeding device, the lower part of the screening machine body is provided with an impurity outlet and a grain outlet, the grain outlet of the screening machine body is provided with the dust removing device, the dust removing device comprises a dust suction air duct covering the grain outlet and a winnowing settling mechanism connected with the dust suction air duct, and the environment-friendly grain vibrating cleaning sieve circularly treats dust-containing gas generated during winnowing settling.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention aims to provide a three-screen-cylinder linkage type grain dedusting and cleaning screen and a using method thereof.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme, and the technical scheme adopted by the three-screen-drum linkage type grain dust removal cleaning screen is as follows: including vibration platform, vibration platform's inner wall fixed mounting has the screen frame, the afterbody fixed mounting of screen frame has the feeder hopper, drive mechanism is installed to the axis position of screen frame, drive mechanism's all sides fixed mounting has the interior plectrum of spiral, the inner wall of screen frame rotates there is outer screen assembly, the inner wall of outer screen assembly rotates and is connected with well screen assembly, well screen assembly's inner wall rotates and is connected with interior screen assembly, drive mechanism's all sides and interior screen assembly fixed connection, the equal fixed mounting in all sides of interior screen assembly and well screen assembly has linkage awl ring gear an, the equal fixed mounting in all sides of well screen assembly and outer screen assembly has linkage awl ring gear b, the inner wall of screen frame rotates respectively and is connected with first shaft coupling and second shaft coupling, two the all sides of linkage awl ring gear a all are connected with first shaft coupling transmission, two all sides of linkage awl ring gear b all are connected with second shaft coupling transmission, the positive top fixed mounting of screen frame has high-pressure spray tube, the high-pressure spray tube's high-pressure pump that is linear array distributes is seted up to the bottom surface, the high-pressure spray tube is installed the one end of screen frame and high-pressure pump intercommunication.
As a preferred scheme, the transmission mechanism comprises a servo motor fixedly connected with the screen shell, a dust collector and an outer rotary shaft rotatably connected with the screen shell, the peripheral side surface of the outer rotary shaft is fixedly connected with the inner screen assembly, the inner wall of the outer rotary shaft is rotatably connected with a negative pressure suction shaft, the peripheral side surface of the negative pressure suction shaft is fixedly connected with the spiral inner plectrum, driven bevel gears are fixedly mounted at the tail ends of the outer rotary shaft and the negative pressure suction shaft, two driving bevel gears are fixedly mounted at the output shaft end of the servo motor, the peripheral side surfaces of the two driving bevel gears are respectively meshed with the two driven bevel gears, the two driven bevel gears are different in specification, the two driven bevel gears are symmetrically arranged by taking the plane where the axis of the servo motor is located as an axis, a plurality of groups of dust collection holes distributed in a circumferential array are formed in the peripheral side surface of the negative pressure suction shaft, and the dust collection port of the dust collector is rotatably communicated with the negative pressure suction shaft through a coupling pipe.
As preferred scheme, interior sieve subassembly includes interior sieve section of thick bamboo and one-level row mouth respectively, the top and the fixed intercommunication of sieve shell of mouth are arranged to the one-level, the tail end and the one-level row mouth intercommunication of interior sieve section of thick bamboo, the week side and the sieve shell of interior sieve section of thick bamboo rotate to be connected, the week side and one of interior sieve section of thick bamboo linkage bevel ring a fixed connection, week side fixed mounting of outer rotary shaft has three claws even frame, week side and interior sieve section of thick bamboo fixed connection that three claws even frame, the fixed interior sieve district that is provided with in inside of interior sieve section of thick bamboo, the interior sieve mesh that a plurality of groups are circumference array distribution has been seted up to the inside in interior sieve district, the week side of plectrum rotates the laminating with interior sieve section of thick bamboo in the spiral, week side fixed mounting of interior sieve section of thick bamboo has plectrum in the spiral, the aperture of interior sieve mesh is 5-8 times in the dust absorption aperture, interior sieve section of thick bamboo is both ends open-ended cavity tubular structure, interior sieve section of thick bamboo is the downward sloping setting just the axis of thick bamboo is 35 with the contained angle of water flat water line.
As the preferred scheme, the vibration platform comprises a shock absorption frame, the inner wall of the shock absorption frame is fixedly connected with the sieve shell, a group of trundles are installed on the bottom surface of the shock absorption frame, the top surface of the shock absorption frame is fixedly connected with the sieve shell, and vibration motors are fixedly installed on two side surfaces of the shock absorption frame.
As preferred scheme, well sieve subassembly includes well sieve section of thick bamboo respectively and arranges the mouth with the fixed second grade that communicates of sieve shell, well sieve section of thick bamboo week side respectively with another linkage awl ring a and one linkage awl ring b fixed connection, well sieve section of thick bamboo week side rotates with outer sieve subassembly to be connected, well sieve section of thick bamboo's inside is fixed to be provided with well sieve district, well sieve mesh that a plurality of groups are circumference array distribution is seted up to the inside in well sieve district, well sieve section of thick bamboo week side fixed mounting has the outer plectrum of spiral.
Preferably, the aperture of the middle sieve pore is 0.7-0.3 times of the aperture of the inner sieve pore, the length of the middle sieve area is 1.2-1.3 times of the length of the inner sieve area, and the middle sieve cylinder is a hollow cylindrical structure with a closed tail end and an open front end.
As preferred scheme, outer sieve subassembly includes outer sieve section of thick bamboo, beneficiated burden material row mouth and tertiary row mouth respectively, the week side of outer sieve section of thick bamboo rotates with the screen shell to be connected, the top of mouth and beneficiated burden material row mouth all with the fixed intercommunication of screen shell are arranged to tertiary row, the inner wall and the interior sieve section of thick bamboo of outer sieve section of thick bamboo rotate to be connected, the week side and another of outer sieve section of thick bamboo linkage awl ring b fixed connection, the fixed outer sieve district that is provided with in inside of outer sieve section of thick bamboo, a plurality of groups are the outer sieve mesh that circumference array distributes offered in the inside in outer sieve district, the week side of the outer plectrum of spiral rotates the laminating with outer sieve section of thick bamboo.
As a preferable scheme, the aperture of the outer sieve pore is 0.7-0.3 time of the aperture of the middle sieve pore, the length of the outer sieve area is 1.2 times of the length of the middle sieve area, and the outer sieve cylinder is of a hollow cylindrical structure with a closed front end and an open tail end
As a preferred scheme, two conversion bevel gears a are fixedly mounted on the peripheral side surface of the first coupling, the peripheral side surfaces of the two conversion bevel gears a are in transmission connection with two linkage bevel gear rings a respectively, the two linkage bevel gear rings a are arranged on two sides of the first coupling respectively, two conversion bevel gears b are fixedly mounted on the peripheral side surface of the second coupling, the peripheral side surfaces of the two conversion bevel gears b are in transmission connection with the two linkage bevel gear rings b respectively, and the two linkage bevel gear rings b are arranged on two sides of the second coupling respectively.
A method for using a three-screen-cylinder linkage type grain dedusting and cleaning screen comprises the following steps;
SS001, material sieving operation, during material sieving operation, the servo motor outputs the rotating speed in a set state, after the rotating speed of the servo motor, the spiral inner plectrum is driven respectively, the inner screen cylinder, the middle screen cylinder and the outer screen cylinder rotate, grain materials to be sieved enter the inner screen cylinder from the feed hopper, after entering the inner screen cylinder, the materials are subjected to primary sieving through the inner screen holes, large-particle coarse materials sieved by the primary are discharged through the primary discharge nozzle under the action of the spiral inner plectrum, fine materials sieved by the primary enter the action area of the middle screen cylinder, materials entering the middle screen cylinder are sieved through the middle screen holes, coarse materials sieved by the middle screen hole are discharged through the secondary discharge nozzle under the action of the spiral middle plectrum, fine materials sieved by the middle screen hole enter the action area of the outer screen cylinder, materials sieved by the outer screen hole are sieved through the screening nozzle, coarse materials sieved by the outer screen hole are discharged through the tertiary discharge nozzle under the action of the spiral outer plectrum, fine materials sieved by the outer screen hole are discharged through the fine material discharge nozzle, in the whole sieving process, the high-pressure dust suction pump and the high-pressure dust suction pump.
(III) advantageous effects
Compared with the prior art, the invention provides the three-screen-cylinder linkage type grain dust removal cleaning screen and the use method thereof, and the three-screen-cylinder linkage type grain dust removal cleaning screen has the following beneficial effects
1. According to the grain cleaning sieve, the arrangement of the outer sieve cylinder, the middle sieve cylinder and the inner sieve cylinder changes a single sieve cylinder type structure of a traditional grain cleaning sieve into a multi-sieve cylinder linkage type structure, when the grain cleaning sieve works, the outer sieve cylinder, the middle sieve cylinder and the inner sieve cylinder can rotate in multiple directions and multiple speeds, through the realization of the multi-sieve cylinder linkage type structure, the grain material screening efficiency of the grain cleaning sieve can be effectively improved, and on the other hand, the grain material efficient grading screening can be realized during the screening operation, and through the realization of the screening function, the screening effect and the multiple functions of the grain cleaning sieve are effectively improved.
2. According to the invention, through the arrangement of the negative pressure suction shaft, effective negative pressure dust collection in the screening process can be realized, and through the realization of the negative pressure dust collection effect, the environmental protection performance of the cleaning screen during the operation is effectively improved.
Drawings
FIG. 1 is a schematic structural view of a three-screen-drum linkage type grain dust removal cleaning screen of the invention;
FIG. 2 is a schematic cross-sectional view of FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2A;
FIG. 4 is an enlarged view of a portion of FIG. 2 at B;
FIG. 5 is an enlarged partial view of FIG. 2 at C;
FIG. 6 is an enlarged partial schematic view of FIG. 2 at D in accordance with the present invention;
FIG. 7 is a schematic view of the construction of a linkage bevel gear ring a and a linkage bevel gear ring b of the present invention;
FIG. 8 is a schematic structural view of the outward rotating shaft and the spiral middle pulling piece of the present invention;
fig. 9 is a schematic structural view of the spiral inner plectrum of the invention.
In the figure: 1. a screen shell; 2. a feed hopper; 3. a spiral inner plectrum; 4. linkage bevel gear ring a; 5. linkage bevel gear ring b; 6. a first coupling; 7. a second coupling; 8. a high pressure nozzle; 9. a high pressure pump; 10. a servo motor; 11. a dust collector; 12. an outward rotating shaft; 13. a negative pressure suction shaft; 14. a driven bevel gear; 15. a drive bevel gear; 16. a dust collection hole; 17. inner sieve pores; 18. a spiral middle poking sheet; 19. a shock-absorbing mount; 20. a vibration motor; 21. a middle screen drum; 22. secondary nozzle arrangement; 23. middle sieve mesh; 24. a spiral outer plectrum; 25. an outer screen cylinder; 26. a concentrate discharge nozzle; 27. a third-stage row nozzle; 28. outer sieve pores; 29. a conversion bevel gear a; 30. a conversion bevel gear b; 31. an inner screen cylinder; 32. a first-stage discharge nozzle; 33. three-jaw connecting frame.
Detailed Description
The invention will be further elucidated and described with reference to the embodiments and drawings of the specification:
referring to fig. 1-9, the present invention: a three-screen-cylinder linkage type grain dust removal cleaning screen adopts the technical scheme that: the vibrating screen comprises a vibrating platform, wherein a screen shell 1 is fixedly arranged on the inner wall of the vibrating platform, the vibrating platform comprises a shock absorption frame 19, the inner wall of the shock absorption frame 19 is fixedly connected with the screen shell 1, a group of trundles are arranged on the bottom surface of the shock absorption frame 19, the top surface of the shock absorption frame 19 is fixedly connected with the screen shell 1, and vibrating motors 20 are fixedly arranged on two side surfaces of the shock absorption frame 19;
when the cleaning sieve works, the vibration motor 20 outputs vibration frequency in a set state, and after the vibration motor 20 outputs vibration frequency, the cleaning sieve can perform vibration screening operation on grain materials through vibration screening raw materials;
the tail part of the sieve shell 1 is fixedly provided with a feed hopper 2, the axis position of the sieve shell 1 is provided with a transmission mechanism, and the peripheral side surface of the transmission mechanism is fixedly provided with a spiral inner shifting piece 3;
an outer screen assembly is rotatably arranged on the inner wall of the screen shell 1, a middle screen assembly is rotatably connected to the inner wall of the outer screen assembly, an inner screen assembly is rotatably connected to the inner wall of the middle screen assembly, and the peripheral side surface of the transmission mechanism is fixedly connected with the inner screen assembly;
the transmission mechanism comprises a servo motor 10 fixedly connected with the sieve shell 1, a dust collector 11 and an outer rotary shaft 12 rotatably connected with the sieve shell 1, the peripheral side surface of the outer rotary shaft 12 is fixedly connected with the inner sieve assembly, the inner wall of the outer rotary shaft 12 is rotatably connected with a negative pressure suction shaft 13, the peripheral side surface of the negative pressure suction shaft 13 is fixedly connected with the spiral inner plectrum 3, the negative pressure suction shaft 13 is a hollow tubular structure with the tail end closed and the front end opened, and the negative pressure suction shaft 13 is used for performing negative pressure dust collection;
the tail ends of the external rotating shaft 12 and the negative pressure suction shaft 13 are fixedly provided with driven bevel gears 14, the output shaft end of the servo motor 10 is fixedly provided with two driving bevel gears 15, the peripheral side surfaces of the two driving bevel gears 15 are respectively meshed with the two driven bevel gears 14, the specifications of the two driven bevel gears 14 are different, and the two driven bevel gears 14 are symmetrically arranged by taking the plane where the axis of the servo motor 10 is located as an axis;
the specifications of the two driven bevel gears 14 are arranged differently, so that the outward rotating shaft 12 and the negative pressure suction shaft 13 are in a differential rotation state;
the positions of the two driven bevel gears 14 are arranged, so that the rotating directions of the external rotating shaft 12 and the negative pressure suction shaft 13 are opposite;
a plurality of groups of dust suction holes 16 distributed in a circumferential array are formed in the peripheral side surface of the negative pressure suction shaft 13, and a dust suction port of the dust collector 11 is rotatably communicated with the negative pressure suction shaft 13 through a connecting pipe;
the peripheral side surfaces of the inner screen assembly and the middle screen assembly are fixedly provided with linkage bevel gear rings a4, the peripheral side surfaces of the middle screen assembly and the outer screen assembly are fixedly provided with linkage bevel gear rings b5, the inner wall of the screen shell 1 is respectively and rotatably connected with a first coupling 6 and a second coupling 7, the peripheral side surfaces of the two linkage bevel gear rings a4 are in transmission connection with the first coupling 6, and the peripheral side surfaces of the two linkage bevel gear rings b5 are in transmission connection with the second coupling 7;
two conversion bevel gears a29 are fixedly mounted on the peripheral side surface of the first coupling 6, the peripheral side surfaces of the two conversion bevel gears a29 are in transmission connection with two linkage bevel gear rings a4 respectively, and the two linkage bevel gear rings a4 are arranged on two sides of the first coupling 6 respectively;
two conversion bevel gears b30 are fixedly mounted on the peripheral side surface of the second coupling shaft 7, the peripheral side surfaces of the two conversion bevel gears b30 are in transmission connection with two linkage bevel gear rings b5 respectively, and the two linkage bevel gear rings b5 are arranged on two sides of the second coupling shaft 7 respectively;
the positive top fixed mounting of screen shell 1 has high-pressure spray pipe 8, a set of high-pressure orifice that is linear array and distributes is seted up to high-pressure spray pipe 8's bottom surface, high-pressure pump 9 is installed to the terminal surface of screen shell 1, the one end and the fixed intercommunication of high-pressure spray pipe 8 of high-pressure pump 9 gas outlet, high-pressure pump 9 work back, its spun high-pressure air current can reach the dirt purpose on the one hand, on the other hand can also act on the sieve mesh in the screening mechanism through high-pressure air current, then effectively reduce the jam rate of sieve mesh.
The inner screen assembly comprises an inner screen cylinder 31 and a primary row nozzle 32 respectively, the top end of the primary row nozzle 32 is fixedly communicated with the screen shell 1, the tail end of the inner screen cylinder 31 is communicated with the primary row nozzle 32, the peripheral side surface of the inner screen cylinder 31 is rotatably connected with the screen shell 1, and the peripheral side surface of the inner screen cylinder 31 is fixedly connected with a linkage bevel gear ring a 4;
the peripheral side surface of the outer rotating shaft 12 is fixedly provided with a three-jaw connecting frame 33, the peripheral side surface of the three-jaw connecting frame 33 is fixedly connected with an inner screen drum 31, an inner screen area is fixedly arranged inside the inner screen drum 31, a plurality of groups of inner screen holes 17 distributed in a circumferential array are formed inside the inner screen area, and the peripheral side surface of the spiral inner shifting piece 3 is rotationally attached to the inner screen drum 31;
the side fixed mounting of week of an interior sieve section of thick bamboo 31 has plectrum 18 in the spiral, and the aperture of interior sieve 17 is 5 times in 16 apertures in dust absorption hole, and an interior sieve section of thick bamboo 31 is both ends open-ended cavity tubular structure, and an interior sieve section of thick bamboo 31 is the axis that the downward sloping set up and interior sieve section of thick bamboo 31 and is 35 with the contained angle of water flat line, through the inclination setting of an interior sieve section of thick bamboo 31 to the messenger treats that the material of screening can flow in an interior sieve section of thick bamboo 31 automatically under the effect of gravity.
The middle screen component comprises a middle screen drum 21 and a secondary row nozzle 22 fixedly communicated with the screen shell 1, and the peripheral side surface of the middle screen drum 21 is fixedly connected with another linkage bevel gear ring a4 and a linkage bevel gear ring b5 respectively;
the circumference side of well sieve section of thick bamboo 21 rotates with outer sieve subassembly to be connected, and well sieve district is distinguished in the inside fixed being provided with of well sieve section of thick bamboo 21, and the well sifter 23 that a plurality of groups were the circumference array and distribute is seted up to the inside in well sieve district, and the week side fixed mounting of well sieve section of thick bamboo 21 has spiral outer plectrum 24.
The aperture of the middle sieve pore 23 is 0.7 times of the aperture of the inner sieve pore 17, the length of the middle sieve area is 1.2 times of the length of the inner sieve area, the middle sieve cylinder 21 is a hollow cylinder structure with the tail end closed and the front end opened, and the materials screened by the coarse sieve cylinder are effectively screened in a two-stage mode through the length of the middle sieve area.
The outer screen component comprises an outer screen drum 25, a fine material discharge nozzle 26 and a third-stage discharge nozzle 27 respectively, the peripheral side surface of the outer screen drum 25 is rotatably connected with the screen shell 1, the top ends of the third-stage discharge nozzle 27 and the fine material discharge nozzle 26 are fixedly communicated with the screen shell 1, the inner wall of the outer screen drum 25 is rotatably connected with the inner screen drum 31, and the peripheral side surface of the outer screen drum 25 is fixedly connected with the other linkage bevel gear ring b 5;
the inside of an outer screen section of thick bamboo 25 is fixed and is provided with outer screen district, and the inside in outer screen district is seted up a plurality of groups and is the outer sieve mesh 28 that the circumference array distributes, and the week side of spiral outer plectrum 24 rotates with an outer screen section of thick bamboo 25 and laminates.
The aperture of outer sieve mesh 28 is 0.7 times of well sieve mesh 23 aperture, and the length in outer sieve district is 1.2 times of well sieve district length, and outer sieve section of thick bamboo 25 is the front end and seals the hollow tubular structure of tail end open-ended, through the length setting in outer sieve district to the fine material that a middle sieve section of thick bamboo 21 was screened carries out effective tertiary screening.
A method for using a three-screen-cylinder linkage type grain dedusting and cleaning screen comprises the following steps;
SS001, material sieving operation, wherein during the material sieving operation, the servo motor 10 outputs a rotating speed in a set state, after the rotating speed of the servo motor 10, the servo motor drives the outer rotary shaft 12 and the negative pressure inner shaft to coaxially and reversely rotate at a differential speed, after the outer rotary shaft 12 rotates, the servo motor drives the inner sieve cylinder 31 to rotate, after the inner sieve cylinder 31 rotates, the middle sieve cylinder 21 rotates due to the arrangement of the first coupling shaft 6, the rotating direction of the middle sieve cylinder 21 is different from the rotating direction of the inner sieve cylinder 31 in a reverse rotating speed, and after the middle sieve cylinder 21 rotates, the outer sieve cylinder 25 generates linkage rotation due to the arrangement of the second coupling shaft 7, and the rotating direction of the outer sieve cylinder 25 is different from the rotating direction of the middle sieve cylinder 21 in a reverse rotating speed;
grain materials to be screened enter an inner screen drum 31 from a feed hopper 2, after entering the inner screen drum 31, the materials are subjected to primary screening through an inner screen hole 17, large-particle coarse materials screened by the primary screening are discharged through a primary discharge nozzle 32 under the action of a spiral inner plectrum 3, fine materials screened by the primary screening enter an action area of a middle screen drum 21, materials entering the middle screen drum 21 are screened through a middle screen hole 23, coarse materials screened by the middle screen hole 23 are discharged through a secondary discharge nozzle 22 under the action of a spiral middle plectrum 18, fine materials screened by the middle screen hole 23 enter an action area of an outer screen drum 25, materials entering the outer screen drum 25 are screened through an outer screen hole 28, coarse materials screened by the outer screen hole 28 are discharged through a tertiary discharge nozzle 27 under the action of a spiral outer plectrum 24, fine materials screened by the outer screen hole 28 are discharged through a fine material discharge nozzle 26, in the whole screening process, a dust suction machine 11, a vibration motor 20 and a high-pressure pump 9 are normally opened, after the vibration motor 20 works, the device can perform screening operation, the internal work, the dust suction pump 11 performs the negative pressure treatment on the inside of the inner screen drum 21, and the dust suction pump, and the high-pressure cleaning device after the high-pressure cleaning device.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. The utility model provides a three sieve section of thick bamboo coordinated type grain dust removal clearance sieves, includes vibration platform, its characterized in that: vibrating platform's inner wall fixed mounting has screen frame (1), the afterbody fixed mounting of screen frame (1) has feeder hopper (2), drive mechanism is installed to the axis position of screen frame (1), drive mechanism's all sides fixed mounting has plectrum (3) in the spiral, the inner wall of screen frame (1) rotates there is outer screen subassembly, the inner wall of outer screen subassembly rotates and is connected with well screen assembly, well screen assembly's inner wall rotates and is connected with interior screen assembly, drive mechanism's week side and interior screen assembly fixed connection, the equal fixed mounting in all sides of interior screen assembly and well screen assembly has linkage awl ring gear a (4), the equal fixed mounting in all sides of well screen assembly and outer screen assembly has linkage awl ring gear b (5), the inner wall of screen frame (1) rotates respectively and is connected with first shaft coupling (6) and second shaft coupling (7), two the orifice face of linkage awl ring gear a (4) all is connected with first shaft (6) transmission, two the high-pressure pump (8) of all side of linkage awl ring gear b (5) is connected with second shaft coupling (7) week side, two the high-pressure pump (8) are installed to the orifice face of high-pressure pump (8) high-pressure pump (9) and high-pressure pump (8) are connected in the high-pressure pump (9) and high-pressure pump (8) the top fixed mounting end face of screen frame (9) are high-pressure pump (8) the high-pressure pump (9) and high-pressure pump (8) high-pressure pump end face of screen frame (9) the distribution.
2. The three-screen-drum linkage type grain dedusting and cleaning screen as claimed in claim 1, characterized in that: the transmission mechanism comprises a servo motor (10) fixedly connected with the screen shell (1), a dust collector (11) and an outer rotary shaft (12) rotatably connected with the screen shell (1), the peripheral side surface of the outer rotary shaft (12) is fixedly connected with the inner screen assembly, the inner wall of the outer rotary shaft (12) is rotatably connected with a negative pressure suction shaft (13), the peripheral side surface of the negative pressure suction shaft (13) is fixedly connected with the spiral inner plectrum (3), the tail ends of the outer rotary shaft (12) and the negative pressure suction shaft (13) are fixedly provided with driven bevel gears (14), the output shaft end of the servo motor (10) is fixedly provided with two driving bevel gears (15), the peripheral side surfaces of the two driving bevel gears (15) are respectively meshed with the two driven bevel gears (14), the specifications of the two driven bevel gears (14) are different, the two driven bevel gears (14) are symmetrically arranged by taking the plane where the axis of the servo motor (10) is located as a shaft, the negative pressure surface of the suction shaft (13) is provided with a plurality of dust collection holes (16) distributed in a circumferential array, and the dust collector (11) is communicated with the dust collection port through a dust collection pipe (13).
3. The three-screen-drum linkage type grain dedusting and cleaning screen as claimed in claim 2, characterized in that: interior sieve subassembly includes interior sieve section of thick bamboo (31) and one-level row mouth (32) respectively, the top and the sieve shell (1) fixed intercommunication of one-level row mouth (32), the tail end and the one-level row mouth (32) intercommunication of interior sieve section of thick bamboo (31), the week side of interior sieve section of thick bamboo (31) rotate with sieve shell (1) to be connected, all sides and one of interior sieve section of thick bamboo (31) linkage awl ring gear a (4) fixed connection, week side fixed mounting of outer pivot (12) has three-jaw even frame (33), the week side and interior sieve section of thick bamboo (31) fixed connection of three-jaw even frame (33), the inside fixed of interior sieve section of thick bamboo (31) is provided with interior sieve district, interior sieve hole (17) that a plurality of groups are circumference array distribution are seted up to the inside in interior sieve district, the week side and interior sieve section of thick bamboo (31) of plectrum section of thick bamboo (3) rotate the laminating, the interior sieve section of thick bamboo (31) fixed mounting of sieve section of thick bamboo has in the spiral to be sieve section of thick bamboo in the hole (18), the sieve pore diameter is 16-fold sieve section of thick bamboo (17) and interior sieve section of thick bamboo (31) is dust absorption sieve section of thick bamboo (16-5 horizontal lines and interior sieve section of tube (31) the interior sieve section of aperture is inclined to be inclined to the interior sieve section of tube (31) and is the interior sieve section of thick bamboo (31) and is inclined angle, and is 35 in the interior sieve tube (31) the inclined angle of horizontal line, and is the dust absorption line, and is the interior sieve tube (31) is the inclined to be the both ends of the dust absorption line.
4. The three-screen-drum linkage type grain dedusting and cleaning screen as claimed in claim 1, characterized in that: vibration platform includes shock attenuation frame (19), the inner wall and sieve shell (1) fixed connection of shock attenuation frame (19), a set of truckle is installed to the bottom surface of shock attenuation frame (19), the top surface and sieve shell (1) fixed connection of shock attenuation frame (19), the equal fixed mounting in both sides face of shock attenuation frame (19) has vibrating motor (20).
5. The three-screen-drum linkage type grain dedusting and cleaning screen as claimed in claim 3, characterized in that: well screen assembly includes well screen drum (21) respectively and arranges mouth (22) with the second grade of the fixed intercommunication of screen shell (1), the week side of well screen drum (21) respectively with another linkage awl ring gear a (4) and one linkage awl ring gear b (5) fixed connection, the week side of well screen drum (21) rotates with outer screen assembly to be connected, the inside of well screen drum (21) is fixed to be provided with well sieve district, well sieve district's inside is seted up well sifting hole (23) that a plurality of groups are circumference array distribution, the week side fixed mounting of well screen drum (21) has outer plectrum (24) of spiral.
6. The three-screen-drum linkage type grain dedusting and cleaning screen as claimed in claim 5, characterized in that: the aperture of the middle sieve pore (23) is 0.7-0.3 times of the aperture of the inner sieve pore (17), the length of the middle sieve area is 1.2-1.3 times of the length of the inner sieve area, and the middle sieve cylinder (21) is a hollow cylindrical structure with a closed tail end and an open front end.
7. The three-screen-drum linkage type grain dedusting and cleaning screen as claimed in claim 6, characterized in that: outer sieve subassembly is arranged mouth (26) and tertiary mouth (27) of arranging including an outer sieve section of thick bamboo (25), beneficiated burden respectively, the week side of an outer sieve section of thick bamboo (25) rotates with sieve shell (1) to be connected, the top that mouth (27) and beneficiated burden were arranged on the tertiary row mouth (27) and beneficiated burden row mouth (26) all with the fixed intercommunication of sieve shell (1), the inner wall and the interior sieve section of thick bamboo (31) of an outer sieve section of thick bamboo (25) rotate to be connected, the week side and another of an outer sieve section of thick bamboo (25) linkage awl ring gear b (5) fixed connection, the fixed outer sieve district that is provided with in inside of an outer sieve section of thick bamboo (25), outer sieve mesh (28) that a plurality of groups are circumference array distribution are seted up to the inside in outer sieve district, the week side of spiral outer plectrum (24) rotates with an outer sieve section of thick bamboo (25) to laminate.
8. The three-screen-drum linkage type grain dedusting and cleaning screen as claimed in claim 7, characterized in that: the aperture of the outer sieve hole (28) is 0.7-0.3 times of the aperture of the middle sieve hole (23), the length of the outer sieve area is 1.2-1.3 times of the length of the middle sieve area, and the outer sieve cylinder (25) is of a hollow cylindrical structure with the front end closed and the tail end open.
9. The three-screen drum linkage type grain dedusting and cleaning screen as claimed in claim 1, is characterized in that: the side fixed mounting all around of first coupling (6) has two conversion bevel gear a (29), two the side all around of conversion bevel gear a (29) is connected with two linkage bevel gear a (4) transmissions respectively, two linkage bevel gear a (4) sets up respectively in the both sides of first coupling (6), the side all around fixed mounting all around of second coupling (7) has two conversion bevel gear b (30), two the side all around of conversion bevel gear b (30) is connected with two linkage bevel gear b (5) transmissions respectively, two linkage bevel gear b (5) set up respectively in the both sides of second coupling (7).
10. A method for using a three-screen-drum linkage type grain dedusting and cleaning screen is characterized in that the three-screen-drum linkage type grain dedusting and cleaning screen as claimed in any of claims 1-9 is adopted, and the method comprises the following steps;
SS001, material sieving operation, wherein during the material sieving operation, the servo motor (10) outputs the rotating speed in a set state, after the servo motor (10) rotates, then the spiral inner plectrum (3), the inner screen drum (31), the middle screen drum (21) and the outer screen drum (25) are respectively driven to rotate, the grain material to be screened enters the inner screen drum (31) from the feed hopper (2), after entering an inner screen drum (31), materials are subjected to primary screening through an inner screen hole (17), large-particle coarse materials screened by the primary screening are discharged through a primary discharge nozzle (32) under the action of a spiral inner shifting sheet (3), fine materials screened by the primary screening enter the action area of a middle screen drum (21), materials entering the middle screen drum (21) are screened through a middle screen hole (23), coarse materials screened by the middle screen hole (23) are discharged through a secondary discharge nozzle (22) under the action of a spiral middle shifting sheet (18), fine materials screened by the middle screen hole (23) enter the action area of an outer screen drum (25), materials entering the outer screen drum (25) are screened through an outer screen hole (28), coarse materials screened by the outer screen hole (28) are discharged through a tertiary discharge nozzle (27) under the action of a spiral outer shifting sheet (24), fine materials screened by the outer screen hole (28) are discharged through a fine material discharge nozzle (26), and the whole screening process is completed, the dust collector (11), the vibration motor (20) and the high-pressure pump (9) are normally open.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211016324.5A CN115283260A (en) | 2022-08-24 | 2022-08-24 | Three-screen-drum linkage type grain dust removal cleaning screen and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211016324.5A CN115283260A (en) | 2022-08-24 | 2022-08-24 | Three-screen-drum linkage type grain dust removal cleaning screen and using method thereof |
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| Publication Number | Publication Date |
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| CN115283260A true CN115283260A (en) | 2022-11-04 |
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|---|---|---|---|
| CN202211016324.5A Withdrawn CN115283260A (en) | 2022-08-24 | 2022-08-24 | Three-screen-drum linkage type grain dust removal cleaning screen and using method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116550604A (en) * | 2023-07-12 | 2023-08-08 | 天津市英创技术有限公司 | Feeding mechanism and material separation device for pet snack production |
-
2022
- 2022-08-24 CN CN202211016324.5A patent/CN115283260A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116550604A (en) * | 2023-07-12 | 2023-08-08 | 天津市英创技术有限公司 | Feeding mechanism and material separation device for pet snack production |
| CN116550604B (en) * | 2023-07-12 | 2023-09-08 | 天津市英创技术有限公司 | Material separation device with feeding mechanism for pet snack production |
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Application publication date: 20221104 |
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