CN109013333B - Be used for kernel of corn classified screening device - Google Patents

Be used for kernel of corn classified screening device Download PDF

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Publication number
CN109013333B
CN109013333B CN201810876062.7A CN201810876062A CN109013333B CN 109013333 B CN109013333 B CN 109013333B CN 201810876062 A CN201810876062 A CN 201810876062A CN 109013333 B CN109013333 B CN 109013333B
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China
Prior art keywords
movable
guide plate
screening device
shell
rod
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CN201810876062.7A
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Chinese (zh)
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CN109013333A (en
Inventor
王时桥
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Qingdao Suihe Integrated Housing Co ltd
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Individual
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Priority to CN201810876062.7A priority Critical patent/CN109013333B/en
Publication of CN109013333A publication Critical patent/CN109013333A/en
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Publication of CN109013333B publication Critical patent/CN109013333B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B9/00Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • B07B1/30Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro within their own plane in or approximately in or transverse to the direction of conveyance
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • B07B1/34Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen
    • B07B1/343Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen with mechanical drive elements other than electromagnets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/42Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46Constructional details of screens in general; Cleaning or heating of screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/4609Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Combined Means For Separation Of Solids (AREA)

Abstract

The invention discloses a corn kernel grading and screening device which comprises a shell, wherein a plurality of supports are arranged at the lower end of the shell, feed hoppers are arranged on two sides of the upper end of the shell, a feed inlet is formed in the lower end of each feed hopper and is positioned in the shell, a first guide plate is arranged on one side inside the feed inlet, a second guide plate is arranged on the other side inside the feed inlet, an impurity collecting chamber is arranged on one side, away from the first guide plate, of the second guide plate, a plurality of through holes are uniformly formed in one side of the impurity collecting chamber, a plurality of air aspirators are arranged on the other side of the impurity collecting chamber, a guide plate is arranged below the impurity collecting chamber and on the side wall. Has the advantages that: the screening process can not produce the dust in the box of totally enclosed, can separate kernel of corn and skin stalk moreover totally, can carry out classified screening to the kernel of corn that the satiation degree is different simultaneously, low in labor strength, work efficiency is high.

Description

Be used for kernel of corn classified screening device
Technical Field
The invention relates to the technical field of machinery, in particular to a corn kernel grading and screening device.
Background
At present, corn is an annual male and female same-plant cross-pollination plant, the plant is tall and big, the stem is strong, the corn is an important food crop and feed crop, and is also a crop with the highest total yield all over the world, the planting area and the total yield of the corn are only inferior to rice and wheat, the corn is always known as a long-life food, the corn contains rich protein, fat, vitamins, trace elements, cellulose and the like, and the corn has the function of developing high-nutrition and high-biological function food. After the corn is harvested and threshed, impurities such as skin stalk, sand grains and the like are often doped in the corn, so that the overall quality of the corn is affected. There are generally two types of screening methods available: the screening method has the defects of high labor intensity, high cost, low working efficiency, low screening cleanliness of the corns and the like; the second method is a method using a corn screening machine, the method has the defect of high cost for purchasing the equipment due to the complex structure of the corn screening machine, and in addition, a large amount of dust can be generated in the screening process due to the large amount of impurities in the corn, so that the body health of operators is influenced.
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
Aiming at the problems in the related art, the invention provides a corn kernel grading and screening device, which is used for overcoming the technical problems in the prior related art.
The technical scheme of the invention is realized as follows:
a corn kernel grading and screening device comprises a shell, wherein a plurality of brackets are arranged at the lower end of the shell, feed hoppers are arranged on two sides of the upper end of the shell, a feed inlet is formed in the lower end of each feed hopper and is positioned in the shell, a first guide plate is arranged on one side of the interior of the feed inlet, a second guide plate is arranged on the other side of the interior of the feed inlet, an impurity collecting chamber is arranged on one side, away from the first guide plate, of the second guide plate, a plurality of through holes are uniformly formed in one side of the impurity collecting chamber, a plurality of suction machines are arranged on the other side of the impurity collecting chamber, a guide plate is arranged below the impurity collecting chamber and on the side wall of the interior of the shell, a first fixing plate is arranged between the impurity collecting chambers at the upper end of the interior of the shell, a first, the output shaft of the first motor is connected with the first rotating shaft, a first rocker is arranged at one end of the first rotating shaft, which is far away from the first motor, a first connecting rod is arranged at the lower end of the first rocker, a movable frame is arranged at the lower end of the first connecting rod, a first movable rod is arranged at the lower end of the movable frame in an inserting manner, a limiting block is arranged at the upper end of the first movable rod and positioned in the movable frame, a spring is sleeved on the first movable rod and positioned between the limiting block and the bottom of the movable frame, a first connecting block is arranged at the lower end of the first movable rod and positioned below the movable frame, a plurality of metal elastic sheets are arranged in the first connecting block, a second movable rod is arranged at each of two ends of the metal elastic sheets, a first sliding rod is arranged at one end of the second movable rod, which is far away from, a limiting groove matched with the first sliding rod is formed in the second fixing plate, a first movable box is arranged between the second fixing plates and connected with the first sliding rod, a plurality of first sieve holes are formed in the lower end of the inner portion of the first movable box, a screening device is arranged below the second fixing plate and located in the shell, and a collecting box is arranged below the screening device and located at the bottom of the shell;
the screening device comprises a second movable box, two sets of second sliding rods are arranged on two sides of the bottom of the second movable box in an alternating mode, two ends of the second sliding rods are connected with the inside of the shell in an internally connected mode, the outer side of the bottom of the second movable box is located in two sets of the second sliding rods, a second connecting block is arranged between the second sliding rods, the second connecting block is far away from one side of the second movable box in an alternating mode, a second rotating shaft is arranged on the second rotating shaft, the second connecting rod is far away from one end of the second rotating shaft in an alternating mode, a third rotating shaft is arranged in the alternating mode, the third rotating shaft is far away from one end of the second connecting rod and is provided with a second motor, an output shaft of the second motor is connected with the second rocker, and a plurality of sieve.
Furthermore, the first guide plate and the second guide plate are arranged in the feed inlet in a staggered mode.
Furthermore, two groups of fixing pieces are arranged on the metal elastic sheet and positioned on two sides of the first connecting block.
Furthermore, fixed sleeves are arranged at the joints of the second sliding rod and the second movable box.
Further, the second motor is connected with the inside of the shell through a motor base.
Furthermore, movable pins are arranged at the joints of the second movable rod and the first metal elastic sheet and the first sliding rod.
Further, the diameter of the first sieve hole is larger than that of the second sieve hole.
Furthermore, the metal elastic sheet is of an arc-shaped structure.
Further, a plurality of heat dissipation holes are formed in the upper end of the impurity collection chamber.
The invention has the beneficial effects that: the corn kernels enter the shell from the feed hopper, at the moment, the air aspirator is enabled to work through the control switch, and then when the corn kernels enter the feed inlet, the air aspirator sucks skin, stalk and dust in the corn kernels into the impurity collecting chamber through the first guide plate and the second guide plate, and then the corn kernels enter the first movable box through the guide plate, the first motor is enabled to work through the control switch, and then the first motor drives the first rocker and the first connecting rod to move, so that the movable frame moves, the limit block extrudes the spring, the first movable rod shakes in the movable frame, and then the metal elastic sheet moves, so that the second movable rod drives the first slide rod to move up and down in the limit groove, and further the first movable box shakes up and down, thereby the corn kernels are screened by vibrating up and down, the corn kernels with larger diameter stay in the first movable box, and the corn kernels with medium size enter the second movable box through the first sieve mesh, the second motor works through the control switch, and then the second motor drives the second rocker to move, so that the second connecting rod drives the second connecting block to move left and right, and further the second movable box moves left and right on the second sliding rod, so that corn kernels are subjected to left and right vibration screening, the corn kernels with medium size are left in the second movable box, and the corn kernels with small diameter directly enter the collecting box; the screening process can not produce the dust in the box of totally enclosed, can separate kernel of corn and skin stalk moreover totally, can carry out classified screening to the kernel of corn that the satiation degree is different simultaneously, low in labor strength, work efficiency is high.
In addition, set up guide plate one and guide plate two are crisscross for the whereabouts stroke of kernel of corn in the feed inlet has been increased, and then increased the air aspirator to the action time of skin stalk and dust, more thoroughly with skin stalk and kernel of corn separation, the metal shrapnel passes through the mounting and links together, makes the metal shrapnel more stable when the motion, and the diameter of sieve mesh one is greater than the kernel of full degree difference can be selected with movable box two to the diameter of sieve mesh two for movable box one, and the upper end of impurity collecting chamber is provided with a plurality of louvres, prevents that the heat of air aspirator after a period of work is too big.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an apparatus for classifying and screening corn kernels according to an embodiment of the present invention;
FIG. 2 is a side view at A of FIG. 1;
FIG. 3 is an enlarged view at B in FIG. 1;
fig. 4 is a schematic structural diagram of a screening apparatus for a corn kernel classification screening apparatus according to an embodiment of the present invention.
In the figure:
1. a housing; 2. a support; 3. a feed hopper; 4. a feed inlet; 5. a first guide plate; 6. a second guide plate; 7. an impurity collection chamber; 8. a through hole; 9. an aspirator; 10. a guide plate; 11. a first fixing plate; 12. a first motor; 13. a first rotating shaft; 14. a first rocker; 15. a first connecting rod; 16. a movable frame; 17. a first movable rod; 18. a limiting block; 19. a spring; 20. a first connecting block; 21. a metal spring sheet; 22. a second movable rod; 23. a first sliding rod; 24. a second fixing plate; 25. a limiting groove; 26. a first movable box; 27. screening holes I; 28. a screening device; 29. a collection box; 30. a second movable box; 31. a second sliding rod; 32. a second connecting block; 33. a second rotating shaft; 34. a second connecting rod; 35. a rotating shaft III; 36. a rocker II; 37. a second motor; 38. a second sieve mesh; 39. a fixing member; 40. fixing the sleeve; 41. a motor base; 42. and a movable pin.
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 that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
According to an embodiment of the invention, a device for classifying and screening corn kernels is provided.
As shown in fig. 1-4, the corn kernel classifying and screening device according to the embodiment of the present invention comprises a housing 1, a plurality of brackets 2 are disposed at the lower end of the housing 1, a feed hopper 3 is disposed at both sides of the upper end of the housing 1, a feed inlet 4 is disposed at the lower end of the feed hopper 3 and located in the housing 1, a first guide plate 5 is disposed at one side of the interior of the feed inlet 4, a second guide plate 6 is disposed at the other side of the interior of the feed inlet 4, an impurity collecting chamber 7 is disposed at one side of the second guide plate 6 away from the first guide plate 5, a plurality of through holes 8 are uniformly disposed at one side of the impurity collecting chamber 7, a plurality of air aspirators 9 are disposed at the other side of the impurity collecting chamber 7, a guide plate 10 is disposed below the impurity collecting chamber 7 and located on the inner side wall of the housing 1, a first fixing, one side of the first fixed plate 11 is provided with a first motor 12, one end of the first motor 12, which is far away from the first fixed plate 11, is provided with a first rotating shaft 13, an output shaft of the first motor 12 is connected with the first rotating shaft 13, one end of the first rotating shaft 13, which is far away from the first motor 12, is provided with a first rocker 14, the lower end of the first rocker 14 is provided with a first connecting rod 15, the lower end of the first connecting rod 15 is provided with a movable frame 16, the lower end of the movable frame 16 is provided with a first movable rod 17 in an inserting manner, the upper end of the first movable rod 17 is provided with a limit block 18 inside the movable frame 16, a spring 19 is sleeved on the first movable rod 17 and positioned between the limit block 18 and the bottom of the movable frame 16, the lower end of the first movable rod 17 is provided with a first connecting block 20 below the movable frame 16, and a plurality, two ends of the metal elastic sheet 21 are respectively provided with a second movable rod 22, one end of the second movable rod 22, which is far away from the metal elastic sheet 21, is provided with a first sliding rod 23, a second fixed plate 24 is arranged on the first sliding rod 23 and is positioned in the shell 1, a limiting groove 25 matched with the first sliding rod 23 is arranged on the second fixed plate 24, a first movable box 26 is arranged between the second fixed plates 24, the first movable box 26 is connected with the first sliding rod 23, the lower end of the inside of the first movable box 26 is provided with a plurality of first sieve holes 27, a screening device 28 is arranged below the second fixed plate 24 and is positioned in the shell 1, a collecting box 29 is arranged below the screening device 28 and is positioned at the bottom of the shell 1, and the back of the shell 1 is provided with a control switch;
wherein, the screening device 28 comprises a second movable box 30, two groups of second sliding rods 31 are inserted and arranged on two sides of the bottom of the second movable box 30, moreover, both ends of the second sliding rod 31 are connected with the inside of the shell 1, a second connecting block 32 is arranged on the outer side of the bottom of the second movable box 30 and between the second sliding rods 31, a second rotating shaft 33 is inserted and arranged on one side of the second connecting block 32 far away from the second movable box 30, a second connecting rod 34 is arranged on the second rotating shaft 33, a third rotating shaft 35 is inserted into one end of the second connecting rod 34 far away from the second rotating shaft 33, a second rocker 36 is arranged at one end of the third rotating shaft 35 far away from the second connecting rod 34, a second motor 37 is arranged at one end of the second rocker 36 far away from the third rotating shaft 35, and the output shaft of the second motor 37 is connected with the second rocker 36, and the bottom of the second movable box 30 is uniformly provided with a plurality of second sieve holes 38.
By means of the technical scheme, corn kernels enter the shell 1 from the feed hopper 3, at the moment, the air aspirator 9 works through the control switch, and then when the corn kernels enter the feed inlet 4, the corn kernels pass through the first guide plate 5 and the second guide plate 6, the air aspirator 9 sucks skin stalks and dust in the corn kernels into the impurity collecting chamber 7, then the corn kernels enter the first movable box 26 through the guide plate 10, the first motor 12 works through the control switch, then the first motor 12 drives the first rocker 14 and the first connecting rod 15 to move, and then the movable frame 16 moves, so that the limiting block 18 extrudes the spring 19, the first movable rod 17 shakes in the movable frame 16, and then the metal elastic sheet 21 moves, so that the second movable rod 22 drives the first slide rod 23 to move up and down in the limiting groove 25, and then the first movable box 26 shakes up and down, and then the corn kernels are screened by vibrating up and down, the corn kernels with larger diameters stay in the first movable box 26, the corn kernels with medium sizes can enter the second movable box 30 through the first sieve mesh 27, the second motor 37 can work through a control switch, the second motor 37 drives the second rocker 36 to move, the second connecting rod 34 drives the second connecting block 32 to move left and right, the second movable box 30 can move left and right on the second sliding rod 31, the corn kernels are subjected to left-right vibration screening, the corn kernels with medium sizes stay in the second movable box 30, the corn kernels with smaller diameters directly enter the collecting box 29, the device is simple in structure, manual operation is not needed, screening is more thorough, the corn kernels with different plumpness can be subjected to classified screening, labor procedures are reduced, and working efficiency is improved; the screening process can not produce the dust in the box of totally enclosed, can separate kernel of corn and skin stalk moreover totally, can carry out classified screening to the kernel of corn that the satiation degree is different simultaneously, low in labor strength, work efficiency is high.
In addition, the first guide plate 5 and the second guide plate 6 are arranged in the feed inlet 4 in a staggered manner, two groups of fixing pieces 39 are arranged on the metal elastic sheet 21 and positioned at two sides of the first connecting block 20, the connecting parts of the second sliding rod 31 and the second movable box 30 are both provided with fixing sleeves 40, the second motor 37 is connected with the inside of the shell 1 through a motor base 41, the connecting parts of the second movable rod 22, the metal elastic sheet 21 and the first sliding rod 23 are both provided with movable pins 42, the diameter of the first sieve mesh 27 is larger than that of the second sieve mesh 38, the metal elastic sheet 21 is of an arc-shaped structure, the upper end of the impurity collecting chamber 7 is provided with a plurality of heat dissipation holes, the first guide plate 5 and the second guide plate 6 are arranged in a staggered manner, so that the falling stroke of corn kernels in the feed inlet 4 is increased, and the action time of the air aspirator 9 on skin, more thorough with skin stalk and kernel of corn separation, metal shrapnel 21 links together through mounting 39 for metal shrapnel 21 is more stable when the motion, and the diameter of sieve mesh one 27 is greater than the diameter of sieve mesh two 38 can make movable box one 26 and movable box two 30 select the kernel of corn that the degree of fullness is different, and the upper end of impurity collection room 7 is provided with a plurality of louvres, prevents that the heat of aspirator 9 after work a period is too big.
In summary, according to the above technical solution of the present invention, corn kernels enter the housing 1 from the feeding hopper 3, at this time, the air aspirator 9 is operated by the control switch, and further when the corn kernels enter the feeding port 4, the air aspirator 9 sucks the skin, stalk and dust in the corn kernels into the impurity collecting chamber 7 through the first guide plate 5 and the second guide plate 6, and further the corn kernels enter the first movable box 26 through the guide plate 10, the first motor 12 is operated by the control switch, and further the first motor 12 drives the first rocker 14 and the first connecting rod 15 to move, and further the movable frame 16 moves, so that the stopper 18 extrudes the spring 19, the first movable rod 17 shakes in the movable frame 16, and further the second movable rod 22 drives the first sliding rod 23 to move up and down in the stopper groove 25, and further the first movable box 26 shakes up and down, therefore, the corn kernels are subjected to up-and-down vibration screening, the corn kernels with larger diameters can be stopped in the first movable box 26, the corn kernels with medium sizes can enter the second movable box 30 through the first sieve mesh 27, the second motor 37 can work through the control switch, the second motor 37 drives the second rocker 36 to move, the second connecting rod 34 drives the second connecting block 32 to move left and right, the second movable box 30 can move left and right on the second sliding rod 31, the corn kernels are subjected to left-and-right vibration screening, the corn kernels with medium sizes are left in the second movable box 30, the corn kernels with smaller diameters directly enter the collecting box 29, the device is simple in structure, manual operation is not needed, screening is more thorough, the corn kernels with different plumpnesses can be classified and screened, labor procedures are reduced, and the working efficiency is improved; the screening process can not produce the dust in the box of totally enclosed, can separate kernel of corn and skin stalk moreover totally, can carry out classified screening to the kernel of corn that the satiation degree is different simultaneously, low in labor strength, work efficiency is high.
In addition, guide plate one 5 and guide plate two 6 are crisscross to be set up for the whereabouts stroke of kernel of corn in feed inlet 4 has been increased, and then the operating time of aspirator 9 to skin stalk and dust has been increased, more thorough with skin stalk and kernel of corn separation, metal shrapnel 21 links together through mounting 39, makes metal shrapnel 21 more stable when the motion, and the diameter of sieve mesh one 27 is greater than the diameter of sieve mesh two 38 can make movable box one 26 and movable box two 30 select the kernel of corn that the degree of fullness is different, and the upper end of impurity collecting chamber 7 is provided with a plurality of louvres, prevents that the heat of aspirator 9 after working a period is too big.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (9)

1. The corn kernel grading and screening device is characterized by comprising a shell (1), wherein a plurality of brackets (2) are arranged at the lower end of the shell (1), feed hoppers (3) are arranged on two sides of the upper end of the shell (1), a feed inlet (4) is formed in the lower end of each feed hopper (3) and positioned in the shell (1), a first guide plate (5) is arranged on one side of the interior of each feed inlet (4), a second guide plate (6) is arranged on the other side of the interior of each feed inlet (4), an impurity collecting chamber (7) is arranged on one side, away from the first guide plate (5), of each guide plate (6), a plurality of through holes (8) are uniformly formed in one side of each impurity collecting chamber (7), a plurality of air aspirators (9) are arranged on the other side of each impurity collecting chamber (7), a guide plate (10) is arranged below the impurity collecting chamber (7) and positioned on the, casing (1) inside upper end just is located be provided with fixed plate (11) between impurity collection room (7), one side of fixed plate (11) is provided with motor (12), keep away from motor (12) the one end of fixed plate (11) is provided with pivot (13), and, the output shaft of motor (12) with the connection of pivot (13), pivot (13) are kept away from the one end of motor (12) is provided with rocker (14), the lower extreme of rocker (14) is provided with connecting rod (15), the lower extreme of connecting rod (15) is provided with movable frame (16), the lower extreme of movable frame (16) alternates and is provided with movable rod (17), the upper end of movable rod (17) just is located the inside of movable frame (16) is provided with stopper (18), on the movable rod (17) just be located stopper (18) with between movable frame (16) bottom cover stopper (18) The spring (19) is arranged, a first connecting block (20) is arranged at the lower end of the first movable rod (17) and below the movable frame (16), a plurality of metal elastic sheets (21) are arranged in the first connecting block (20), two movable rods (22) are arranged at two ends of each metal elastic sheet (21), a first sliding rod (23) is arranged at one end, away from the metal elastic sheets (21), of each movable rod (22), a second fixing plate (24) is arranged on each first sliding rod (23) and located in the shell (1), a limiting groove (25) matched with the first sliding rod (23) is arranged on each second fixing plate (24), a first movable box (26) is arranged between the second fixing plates (24), the first movable box (26) is connected with the first sliding rod (23), and a plurality of first sieve holes (27) are arranged at the lower end inside the first movable box (26), a screening device (28) is arranged below the second fixing plate (24) and in the shell (1), and a collecting box (29) is arranged below the screening device (28) and at the bottom of the shell (1);
wherein the screening device (28) comprises a second movable box (30), two groups of second sliding rods (31) are arranged on two sides of the bottom of the second movable box (30) in an inserting manner, two ends of each second sliding rod (31) are connected with the inside of the shell (1), a second connecting block (32) is arranged on the outer side of the bottom of the second movable box (30) and between the two groups of second sliding rods (31), a second rotating shaft (33) is arranged on one side, far away from the second movable box (30), of the second connecting block (32) in an inserting manner, a second connecting rod (34) is arranged on the second rotating shaft (33), a third rotating shaft (35) is arranged in an inserting manner on one end, far away from the second rotating shaft (33), of the third rotating shaft (35) is provided with a second rocker (36), and a second motor (37) is arranged on one end, far away from the third rotating shaft (35), of the rocker (36), and the output shaft of the second motor (37) is connected with the second rocker (36), and a plurality of second sieve holes (38) are uniformly formed in the bottom of the second movable box (30).
2. A corn kernel classification screening device as claimed in claim 1, wherein said first guide plate (5) and said second guide plate (6) are staggered in said feed inlet (4).
3. The corn kernel grading and screening device as claimed in claim 1, wherein two sets of fixing members (39) are arranged on the metal elastic sheet (21) and located on two sides of the first connecting block (20).
4. The corn kernel grading and screening device as claimed in claim 1, wherein the joints of the second sliding rods (31) and the second movable box (30) are provided with fixed sleeves (40).
5. A corn kernel classification screening device as claimed in claim 1, wherein said second motor (37) is connected with the inside of said casing (1) through a motor base (41).
6. The corn kernel grading and screening device as claimed in claim 1, wherein a movable pin (42) is arranged at the joint of the second movable rod (22) and the first metal spring plate (21) and the first sliding rod (23).
7. A corn kernel sizing and screening device as claimed in claim 1, wherein said screen aperture one (27) has a diameter greater than said screen aperture two (38).
8. The corn kernel grading and screening device as claimed in claim 1, wherein the metal shrapnel (21) has an arc structure.
9. A corn kernel classification screening device as claimed in claim 1, wherein the upper end of the impurity collecting chamber (7) is provided with a plurality of heat radiation holes.
CN201810876062.7A 2018-08-03 2018-08-03 Be used for kernel of corn classified screening device Active CN109013333B (en)

Priority Applications (1)

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CN201810876062.7A CN109013333B (en) 2018-08-03 2018-08-03 Be used for kernel of corn classified screening device

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CN110280470B (en) * 2019-05-22 2021-10-01 江苏谷泰粮食机械科技有限公司 Grain screening structure for grain cleaning machine
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US5851391A (en) * 1997-01-20 1998-12-22 Cosmic Round Company Sludge dewatering treatment apparatus
CN206371422U (en) * 2016-12-13 2017-08-04 湛江市茗禾茶业有限公司 One kind sieves thoroughly tea screening device
CN207288066U (en) * 2017-08-08 2018-05-01 杨茗晰 A kind of new rice screener

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US5851391A (en) * 1997-01-20 1998-12-22 Cosmic Round Company Sludge dewatering treatment apparatus
CN206371422U (en) * 2016-12-13 2017-08-04 湛江市茗禾茶业有限公司 One kind sieves thoroughly tea screening device
CN207288066U (en) * 2017-08-08 2018-05-01 杨茗晰 A kind of new rice screener

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