CN111495757A - Screening equipment and method for corn kernels - Google Patents

Abstract

The invention discloses screening equipment and a screening method for corn kernels, and relates to the field of corn screening. This screening installation for kernel of corn can apply a gravitational acceleration for the screen cloth to this gravitational potential energy when increasing the screen cloth and rocking can improve the vibration range of screen cloth, and then make cleaner that the maize was sieved, make it guarantee the degree of consistency that the maize was sieved.

Description

Screening equipment and method for corn kernels

The invention relates to a divisional application of screening equipment for corn kernels, which is invented on the application date of 28/08/2018 and has the application number of CN201810989534.

Technical Field

The invention relates to the technical field of corn screening, in particular to screening equipment and a screening method for corn kernels.

Background

The corn has sweet taste, can be used for preparing various dishes, such as corn brands, corn juice and the like, and is also a main raw material of industrial alcohol and distilled liquor.

In order to save manpower, so designed out maize screening plant, move about or move about through motor drive screen cloth, but when the maize in the screening plant was more in the screening, the range of moving and shaking between each maize is less, lead to the maize of different particle size after the screening, wherein still contain the maize granule of majority equidimension not, lead to the degree of consistency of maize screening can not satisfy the planting demand, according to the quick screening plant of abandonment plastics that chinese patent No. CN106493877B proposed, screen through rotating electrical machines and stirring vane cooperation swing mechanism, because there is not the interval between its rotation and the swing, screening is not fully gone on when leading to the screening, and then lead to the screening inhomogeneous.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides screening equipment and a screening method for corn kernels, which have the advantages of uniform screening, automatic cleaning, labor saving and the like, and solve the problem of non-uniform screening.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a screening installation and method for kernel of corn, includes the casing, the front side of casing inner chamber is provided with the arc track, the orbital inner wall sliding connection of arc has the slider, one side of slider extends to the orbital rear side of arc and is provided with the connecting rod, the one end of connecting rod is provided with the screen cloth, one side fixed mounting of screen cloth has the permanent magnet, one side fixed mounting of casing inner wall has the electro-magnet, the top fixed mounting of casing has servo motor, the one end transmission of servo motor pivot is connected with the main shaft, the one end of main shaft extends to the inside of casing and fixed mounting has slewing mechanism.

The rotating mechanism comprises a rotating disc, a movable rotating rod is arranged at the bottom of the rotating disc, a rotating roller is arranged at the bottom end of the movable rotating rod, a rotating sleeve is sleeved on the outer surface of the rotating roller, a connecting rotating rod is hinged to one side of the rotating sleeve, a sliding sealing mechanism is hinged to one end of the connecting rotating rod, an elastic mechanism is fixedly mounted at the other side of the inner wall of the casing and comprises a connecting track, an elastic sliding plate is slidably connected to the bottom of the connecting track, an elastic rod is arranged at one side of the elastic sliding plate, a rubber pad is connected to one end of the elastic rod, a connecting spring is arranged at the other side of the elastic sliding plate, one end of the connecting spring is welded to the inner wall of the casing, a feeding pipe is arranged at the position of a feeding port at the upper surface of the casing, a drawing-off mechanism is fixedly mounted at one side, the both sides of branch all are provided with the articulated elements, one side of articulated elements articulates there is the movable rod, one side of movable rod is provided with reset spring, reset spring's one end and the surface weld of branch, the one end of movable rod is provided with the clamping bar, one side of clamping bar and the surface joint of collecting the bag.

Preferably, the drawing mechanism comprises an exhaust fan, one end of the exhaust fan is fixedly connected with a connecting pipeline, one end of the connecting pipeline extends to the inside of the casing and is provided with a disc, and the aperture of the screen is 0.8 cm.

Preferably, the other side of the exhaust fan is fixedly connected with a discharge pipe, and the outer surface of the discharge pipe is sleeved with a collection bag.

Preferably, the sliding seal mechanism includes the articulated shaft, one side of articulated shaft is articulated with the one end of connecting the bull stick, one side of articulated shaft is provided with the sliding block.

Preferably, one side of the sliding block is slidably connected with a movable sliding plate, one side of the movable sliding plate is provided with a sliding chute matched with the sliding block, one side of the movable sliding plate is welded with the inner wall of the casing, and the bottom of the hinged shaft is provided with a magnetic baffle plate.

Preferably, the outer lane of main shaft is provided with connecting gear, connecting gear's rear side is provided with the glide machanism who meshes mutually with connecting gear, glide machanism includes the slip rack, the rear side of slip rack and the rear side sliding connection of casing inner chamber, and the rear side of casing inner chamber open be equipped with the spout of slip rack looks adaptation.

Preferably, one side of the sliding rack is provided with a steel rope, the outer surface of the steel rope is connected with a sliding wheel in a sliding manner, the outer surface of the sliding wheel is connected with a fixed rod in a rotating manner, one end of the fixed rod is welded with the top of the inner cavity of the casing, one end of the steel rope is provided with a baffle, one side of the baffle is connected with a connecting sliding rail in a sliding manner, one side of the connecting sliding rail is welded with the top of the inner cavity of the casing, the baffle and the discs are arranged in a staggered manner, and one side of the baffle.

Preferably, the top of the connecting sliding rack is provided with a limiting clamping groove, the other side of the top of the sliding rack is provided with a limiting clamping rod, the bottom of the limiting clamping rod is provided with a torsion spring, the top end of the torsion spring is welded with the bottom of the inner cavity of the casing, the inner ring of the torsion spring is sleeved with a pull rod, and one end of the pull rod extends to the top of the casing.

Preferably, concave sliding rails are arranged on the front side and the rear side of the inner cavity of the machine shell, sliding plates are connected to the inner walls of the concave sliding rails in a sliding mode, a collecting box is arranged between the two sliding plates, and one side of the collecting box extends to the outer surface of the machine shell.

(III) advantageous effects

Compared with the prior art, the invention provides screening equipment and a screening method for corn kernels, and the screening equipment and the screening method have the following beneficial effects:

1. this screening installation and method for kernel of corn, through setting up arc track rather than sliding connection's screen cloth, make its cooperation permanent magnet and electro-magnet and bounce back mechanism, owing to under the effect of magnetic field and arc track cambered surface, thereby make the screen cloth can carry out the horizontal hunting and sieve, can exert a acceleration of gravity for the screen cloth, thereby increase the gravitational potential energy when the screen cloth rocks, thereby can improve the vibration range of screen cloth, make the maize of screen cloth inside rock more violent, and then make the cleaner of maize screening, make it guarantee the degree of consistency of maize screening, the categorised production demand of maize planting has been satisfied.

2. This screening installation and method for kernel of corn make the range of screen cloth vibration bigger through setting up the mechanism that bounces simultaneously, make it can fly upward the dust vibration that contains miscellaneous among the kernel of corn for take out from the mechanism and can collect in the collection bag with the dust suction, played the efficiency of environmental protection.

3. According to the screening equipment and the screening method for the corn kernels, the vibration amplitude is increased by arranging the elastic restoring mechanism, so that the corn elephant doped in the corn kernels can fly and dance in a vibration mode, and meanwhile, the pest can be removed by matching with the pulling-away mechanism.

4. According to the screening equipment and the screening method for the corn kernels, when the screen cloth collides with the rubber pad, the screen cloth can be shaken to enable the screen cloth to fly and vibrate dust containing impurities in the screen cloth, so that the screen cloth is removed through the drawing-off mechanism, the residues of the impurities in the screen cloth can be reduced in the screening process, and the manual use for cleaning the screen cloth in the later stage is saved.

5. According to the screening equipment and the screening method for the corn kernels, the collection bag is clamped and fixed through the hinged parts, the return springs and the clamping rods, so that the collection bag is convenient to disassemble in the later period, and the impurities in the collection bag in the later period are convenient to treat.

6. According to the screening equipment and the screening method for the corn kernels, the rotary roller and the rotary sleeve in the rotating mechanism are arranged, and the rotary roller and the rotary sleeve are connected with the rotary rod, so that the rotary roller and the rotary sleeve can drive the sliding seal mechanism to move up and down by driving the rotary disk to do circular motion, the sliding seal mechanism is driven by the sliding seal mechanism, the magnetic field generated by the electromagnet can be blocked by the magnetic baffle plate in a vertically discontinuous mode, then the screen can be separated from the magnetic field to conduct screening operation, and normal operation of screening work is guaranteed.

7. According to the screening equipment and the screening method for the corn kernels, the baffle is arranged, so that the positioning effect is achieved, the screen can be accurately positioned under the feeding hole when the screen does not operate, and the corn kernels can be accurately poured into the screen.

8. According to the screening equipment and the screening method for the corn kernels, the connecting gear and the sliding mechanism are arranged, so that the connecting gear can drive the sliding rack to move under the driving of a single motor, the connecting gear drives the baffle to automatically move upwards, the baffle can be separated from the screen, and the screen can shake left and right.

9. According to the screening equipment and the screening method for the corn kernels, the limiting clamping groove, the limiting clamping rod and the torsion spring are arranged, so that the rotating connecting gear pushes the sliding rack to be separated from the sliding rack, the sliding rack can be automatically limited at a position separated from the connecting gear, the baffle is stably fixed at an appointed position, and a stable working environment is provided for screening work of the screen.

10. According to the screening equipment and the screening method for the corn kernels, the screened corn kernels can be collected by arranging the collecting box, and meanwhile, the collecting box is convenient to take out by arranging the concave sliding rail and the sliding plate, so that the screened corn kernels can be conveniently taken out of the inner part of the shell in the later period.

Drawings

FIG. 1 is a cross-sectional view of the present invention;

FIG. 2 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;

FIG. 3 is a top view of the connecting gear of the present invention;

FIG. 4 is an enlarged view of FIG. 1 taken at B in accordance with the present invention;

FIG. 5 is a top view of the clamping lever of the present invention;

FIG. 6 is a side view of the female track of the present invention;

FIG. 7 is an enlarged view of the invention at C in FIG. 1.

In the figure: 1 casing, 2 arc track, 3 sliding block, 4 connecting rod, 5 screen mesh, 6 permanent magnet, 7 electromagnet, 8 servo motor, 9 main shaft, 91 connecting gear, 92 sliding mechanism, 921 sliding rack, 922 steel rope, 923 sliding wheel, 924 baffle, 93 limiting clamping groove, 94 limiting clamping rod, 95 torsion spring, 96 pull rod, 10 rotating mechanism, 101 turntable, 102 movable rotating rod, 103 rotating roller, 104 rotating sleeve, 105 connecting rotating rod, 106 sliding sealing mechanism, 1061 articulated shaft, 1062 sliding block, 1063 movable sliding plate, 1064 magnetic baffle plate, 11 elastic mechanism, 111 connecting track, 112 elastic sliding plate, 113 elastic rod, 114 rubber pad, 115 connecting spring, 12 feeding pipe, 13 drawing mechanism, 131 exhaust fan, 132 connecting pipe, 133 disc, 134 discharging pipe, 135 collecting bag, 14 supporting rod, 15, 16 movable rod, 17 return spring, 18 clamping rod, 19 concave sliding rail, 20 hinge joint, 20 sliding plate, exhaust fan, 132 connecting pipe, 133 disc, 134 discharging pipe, 135 collecting bag, 15, 16 movable rod, 17 return spring, 21 collecting the box.

Detailed Description

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

Referring to fig. 1-7, a corn kernel screening apparatus and method includes a housing 1, an arc rail 2 is disposed at a front side of an inner cavity of the housing 1, a screen 5 slidably connected to the arc rail 2 is disposed to cooperate with a permanent magnet 6, an electromagnet 7 and an elastic mechanism 11, the screen 5 can swing left and right under the action of a magnetic field and the arc surface of the arc rail 2 to perform screening, a gravitational acceleration can be applied to the screen 5 to increase gravitational potential energy when the screen 5 shakes, so as to increase vibration amplitude of the screen 5, a slider 3 is slidably connected to an inner wall of the arc rail 2, one side of the slider 3 extends to a rear side of the arc rail 2 and is provided with a connecting rod 4, one end of the connecting rod 4 is provided with the screen 5, and when the screen 5 collides with a rubber pad 114, the screen 5 can be shaken to enable the screen 5 to fly and dance dust containing impurities in the screen 5, the screen cloth is removed through the drawing mechanism 13, so that the residue of impurities in the screen cloth 5 can be reduced in the screening process, the manpower for cleaning the screen cloth 5 in the later period is saved, the aperture of the screen cloth 5 is 0.8 cm, a permanent magnet 6 is fixedly installed on one side of the screen cloth 5, an electromagnet 7 is fixedly installed on one side of the inner wall of the casing 1, a servo motor 8 is fixedly installed at the top of the casing 1, the servo motor 8 adjusts the rotating speed of a disc to 12r/min through a speed reducer arranged on the servo motor 8, the time for swinging the screen cloth 5 back and forth for one circle is 5s, the time for blocking by a magnetic blocking plate 1064 is also 5s, the interval of a period of time is provided during screening, and further, the premise guarantee is provided for the sufficient screening of the screen cloth 5, one end of a rotating shaft of the servo motor 8 is in transmission connection with a main shaft 9, a connecting gear, through the arrangement of the connecting gear 91 and the sliding mechanism 92, under the driving of a single motor, the connecting gear 91 can drive the sliding rack 921 to move, so that the connecting gear drives the baffle 924 to automatically move upwards, and further the baffle 924 can be separated from the screen 5, so that the screen 5 can swing left and right, the sliding mechanism 92 meshed with the connecting gear 91 is arranged at the rear side of the connecting gear 91, the sliding mechanism 92 comprises a sliding rack 921, the rear side of the sliding rack 921 is in sliding connection with the rear side of the inner cavity of the casing 1, a sliding groove matched with the sliding rack 921 is arranged at the rear side of the inner cavity of the casing 1, a steel rope 922 is arranged at one side of the sliding rack 921, a sliding wheel 923 is in sliding connection with the outer surface of the steel rope 922, a fixing rod is rotatably connected with the outer surface of the sliding wheel 923, one end of the fixing rod is welded with the top of the inner cavity of the casing, the baffle 924 is arranged to play a role in positioning, so that the screen 5 can be accurately positioned right below the feeding hole when not in operation, corn kernels can be accurately poured into the screen 5, one side of the baffle 924 is connected with the connecting slide rail 925 in a sliding manner, one side of the connecting slide rail 925 is welded with the top of the inner cavity of the machine shell 1, the baffle 924 and the disc 133 are arranged in a staggered manner, one side of the baffle 924 is in contact with the outer surface of the screen 5, the top of the connecting sliding rack 921 is provided with the limiting clamping groove 93, and the rotating connecting gear 91 pushes the sliding rack 921 to be separated from the sliding rack 921 by arranging the limiting clamping groove 93, the limiting clamping rod 94 and the torsion spring 95, so that the sliding rack 921 can be automatically limited at a position separated from the connecting gear 91, the baffle 924 is stably fixed at a specified position, and a stable working environment is provided for the screening work of the screen 5, the other side of the top of the sliding rack 921 is provided with a limit clamping rod 94, the bottom of the limit clamping rod 94 is provided with a torsion spring 95, the top end of the torsion spring 95 is welded with the bottom of the inner cavity of the casing 1, the inner ring of the torsion spring 95 is sleeved with a pull rod 96, one end of the pull rod 96 extends to the top of the casing 1, one end of the main shaft 9 extends to the inside of the casing 1 and is fixedly provided with a rotating mechanism 10, the circumferential motion of the turntable 101 driven by the servo motor 8 can be converted into the up-down motion of the sliding seal mechanism 106 by arranging a rotating roller 103 and a rotating sleeve 104 in the rotating mechanism 10 and a connecting rotating rod 105, so that the magnetic baffle 1064 can block the magnetic field generated by the electromagnet 7 intermittently up and down, the screen 5 can be separated from the magnetic field for screening operation, the normal operation of screening work is ensured, the rotating mechanism 10 comprises a turntable 101, the bottom of the turntable, the bottom end of the movable rotating rod 102 is provided with a rotating roller 103, the outer surface of the rotating roller 103 is sleeved with a rotating sleeve 104, one side of the rotating sleeve 104 is hinged with a connecting rotating rod 105, one end of the connecting rotating rod 105 is hinged with a sliding sealing mechanism 106, the sliding sealing mechanism 106 comprises a hinge shaft 1061, one side of the hinge shaft 1061 is hinged with one end of the connecting rotating rod 105, one side of the hinge shaft 1061 is provided with a sliding block 1062, one side of the sliding block 1062 is slidably connected with a movable sliding plate 1063, one side of the movable sliding plate 1063 is provided with a sliding groove matched with the sliding block 1062, one side of the movable sliding plate 1063 is welded with the inner wall of the casing 1, and the bottom of the.

The other side of the inner wall of the machine shell 1 is fixedly provided with an elastic mechanism 11, and the elastic mechanism 11 is arranged to enable the vibration amplitude of the screen 5 to be larger, so that the screen can vibrate and fly dust containing impurities in corn particles, and the drawing-off mechanism 13 can draw the dust into the collecting bag 135 for collection, thereby achieving the effect of environmental protection, the elastic mechanism 11 comprises a connecting rail 111, the bottom of the connecting rail 111 is slidably connected with an elastic sliding plate 112, one side of the elastic sliding plate 112 is provided with an elastic rod 113, one end of the elastic rod 113 is connected with a rubber pad 114, the other side of the elastic sliding plate 112 is provided with a connecting spring 115, one end of the connecting spring 115 is welded with the inner wall of the machine shell 1, a feeding pipe 12 is arranged at the feeding port on the upper surface of the machine shell 1, one side of the outer surface of the machine shell 1 is fixedly provided with the drawing-off mechanism 13, thereby removing, the drawing-off mechanism 13 comprises an exhaust fan 131, one end of the exhaust fan 131 is fixedly connected with a connecting pipeline 132, one end of the connecting pipeline 132 extends into the casing 1 and is provided with a disc 133, the other side of the exhaust fan 131 is fixedly connected with a discharging pipe 134, the outer surface of the discharging pipe 134 is sleeved with a collecting bag 135, the other side of the outer surface of the casing 1 is welded with a support rod 14, both sides of the support rod 14 are provided with hinged parts 15, the collecting bag 135 is clamped and fixed through the hinged parts 15, a reset spring 17 and a clamping rod 18, so that the collecting bag 135 is convenient to be disassembled in the later period, impurities in the collecting bag 135 in the later period are convenient to treat, one side of the hinged parts 15 is hinged with a movable rod 16, one side of the movable rod 16 is provided with the reset spring 17, one end of the reset spring 17 is welded with the outer surface of the support rod 14, one end of the movable rod 16, the front side and the rear side of the inner cavity of the machine shell 1 are respectively provided with a concave sliding rail 19, the inner wall of the concave sliding rail 19 is connected with a sliding plate 20 in a sliding manner, a collecting box 21 is arranged between the two sliding plates 20, the screened corn kernels can be collected by arranging the collecting box 21, one side of the collecting box 21 extends to the outer surface of the machine shell 1, the corn kernels are poured into the screen 5 by switching on a power supply, the electromagnet 7 generates a magnetic field to adsorb the screen 5 to slide rightwards, then the servo motor 8 is started to drive the main shaft 9 to rotate, so that the connecting gear 91 is driven to rotate, the rotating connecting gear 91 drives the sliding rack 921 to slide on the machine shell 1, the baffle 924 is driven by a steel rope 922 to slide upwards on the connecting sliding rail 925, when the sliding rack 921 slides to be separated from the connecting gear 91, under the action of inertia, the sliding rack 921 slides by a distance along with inertia, at this time, the limit slot 93 slides to the bottom of the limit catch rod 94, the torsion spring 95 under a compressed state resets to automatically catch the limit catch rod 94 into the limit slot 93, at this time, the baffle plate 924 slides to the top of the screen cloth 5, and at the same time, the rotating spindle 9 drives the turntable 101 to rotate, so that the rotating sleeve 104 is driven to rotate circumferentially around the rotating roller 103, thereby driving the connecting rotating rod 105 to rotate and simultaneously pulling the connecting rotating rod 105 to move left and right, further driving the hinge shaft 1061 to slide up and down, so that the magnetic baffle plate 1064 can move up and down, when the magnetic baffle plate 1064 moves down to shield the electromagnet 7, at this time, the magnetic field disappears, the screen cloth 5 slides left under the action of gravity to hit the rubber pad 114, generates shaking and simultaneously squeezes the connecting spring 115 to generate elasticity, then the screen 5 is pushed to slide rightwards, the acceleration of the screen 5 in sliding is improved by matching with the elastic potential energy of the spring, the corn in the screen 5 shakes more violently, thereby ensuring the corn screening to be cleaner, ensuring the uniformity of the corn screening, meeting the production requirements of the corn planting classification, when the screen 5 slides to the right obliquely upward, the baffle 924 moves to the upper part of the electromagnet 7, and is matched with the action of the magnetic field to adsorb the screen 5 to the right upper part, reciprocating like this makes the screen cloth 5 can make a round trip carry out the horizontal hunting and sieve the kernel of corn, and the inside of being less than 0.8 centimetre corn leak into screen cloth 5, and the dust and the millet elephant that vibrate get up fly away, make it collect exhaust fan 131 with the inside of their suction collection bag 135, and the connected mode that sets up in this application is welded connected mode.

When the corn harvester is used, the corn kernels are poured into the screen 5 by switching on a power supply, the electromagnet 7 generates a magnetic field to adsorb the screen 5 to slide rightwards, then the servo motor 8 is started to drive the spindle 9 to rotate, so that the connecting gear 91 is driven to rotate, the rotating connecting gear 91 drives the sliding rack 921 to slide on the machine shell 1, so that the sliding rack drives the baffle 924 to slide upwards on the connecting slide rail 925 through the steel rope 922, when the sliding rack 921 slides to be separated from the connecting gear 91, because the sliding rack 921 slides at one end distance along with inertia under the action of inertia, the limiting clamping groove 93 slides to the bottom of the limiting clamping rod 94, the torsion spring 95 in a compression state resets to automatically clamp the limiting clamping rod 94 into the limiting clamping groove 93, the baffle 924 slides to the top of the screen 5, and the rotating spindle 9 drives the rotating disc 101 to rotate, the rotating sleeve 104 is driven to rotate around the rotating roller 103 in a circumferential manner, so that the connecting rotating rod 105 is driven to rotate and the connecting rotating rod 105 is pulled to move left and right, the hinge shaft 1061 is driven to slide up and down, the magnetic baffle 1064 can move up and down, when the magnetic baffle 1064 moves downwards to shield the electromagnet 7, the magnetic field disappears, the screen 5 slides leftwards under the action of gravity to impact the rubber pad 114, the screen 5 shakes and extrudes the connecting spring 115 to generate elasticity, then the screen 5 is pushed to slide rightwards, the acceleration of the screen 5 during sliding is improved by matching with the elastic potential energy of the spring, when the screen 5 slides rightwards and obliquely upwards, the baffle 924 moves above the electromagnet 7, the baffle is matched with the magnetic field to absorb the screen 5 to the upper right, and the screen 5 can swing leftwards and rightwards in a reciprocating manner to screen corn grains, corn of less than 0.8 cm leaks into the inside of the screen 5, and the vibrating dust and grain images fly up, causing them to be drawn into the inside of the collection bag 135 by the suction fan 131 for collection; make it rotate around the pin joint through the movable rod 16 who presses both sides to the extrusion kelly makes it carry out antiport to both sides, makes it separate with collection bag 135, then can take out collection bag 135 downwards pulling, thereby can take out the kernel of corn in the screen cloth 5 through external fan, then pulling collecting box 21 take out it can, thereby take out the kernel of corn of the inside screening of collecting box 21.

In conclusion, 1, this screening installation and method for kernel of corn, through setting up arc track 2 rather than sliding connection's screen cloth 5, make it cooperate permanent magnet 6 and electro-magnet 7 and bounce-back mechanism 11, owing to under the effect of magnetic field and arc track 2 cambered surface, thereby make screen cloth 5 can carry out the horizontal hunting and sieve, can exert a acceleration of gravity for screen cloth 5, thereby increase the gravitational potential energy when screen cloth 5 rocks, thereby can improve the vibration range of screen cloth 5, make the inside maize of screen cloth 5 rock more acutely, and then make the maize sieve more clean, make it guarantee the degree of consistency of maize sieve, the categorised production demand of maize planting has been satisfied.

2. According to the screening equipment and the screening method for the corn kernels, the elastic restoring mechanism 11 is arranged, so that the vibration amplitude of the screen 5 is larger, the screen can vibrate the dust containing impurities in the corn kernels, the dust can be sucked into the collecting bag 135 to be collected through the drawing-off mechanism 13, and the environment-friendly effect is achieved.

3. The screening equipment and the screening method for the corn kernels increase the vibration amplitude by arranging the elastic restoring mechanism 11, so that the corn kernels doped with the grain images can be waved, and meanwhile, the pest can be removed by matching with the pulling-away mechanism 13.

4. According to the screening equipment and the screening method for the corn kernels, when the screen 5 collides with the rubber pad 114, the screen 5 can be shaken to enable the screen 5 to vibrate dust containing impurities in the screen 5, so that the screen is removed through the drawing-off mechanism 13, and therefore the residue of the impurities in the screen 5 can be reduced in the screening process, and the manpower for cleaning the screen 5 in the later period is saved.

5. The screening device and the screening method for the corn kernels enable the corn kernels to clamp and fix the collection bag 135 through the hinge piece 15, the return spring 17 and the clamping rod 18, so that the collection bag 135 can be conveniently detached in the later period, and impurities in the collection bag 135 can be conveniently treated in the later period.

6. According to the screening equipment and the screening method for the corn kernels, the rotary roller 103 and the rotary sleeve 104 in the rotating mechanism 10 and the connecting rotary rod 105 are arranged, so that the rotary roller can drive the rotary table 101 to do circular motion by the servo motor 8 to drive the sliding seal mechanism 106 to convert the circular motion into up-down movement, the magnetic baffle 1064 can block a magnetic field generated by the electromagnet 7 intermittently up and down, the screen 5 can be separated from the magnetic field to perform screening operation, and the normal operation of screening work is guaranteed.

7. According to the screening equipment and the screening method for the corn kernels, the baffle 924 is arranged to play a role in positioning, so that the screen 5 can be accurately positioned right below the feeding hole when not in operation, and the corn kernels can be accurately poured into the screen 5.

8. This screening installation and method for kernel of corn is through setting up connecting gear 91 and glide machanism 92 to make under the drive of single motor, can make connecting gear 91 drive slip rack 921 and move, make it drive that baffle 924 can be automatic carry out the rebound, and then make baffle 924 can separate with screen cloth 5, make screen cloth 5 can rock about going on.

9. According to the screening equipment and the screening method for the corn kernels, the limiting clamping groove 93, the limiting clamping rod 94 and the torsion spring 95 are arranged, so that the rotating connecting gear 91 pushes the sliding rack 921 to be separated from the sliding rack 921, the sliding rack 921 can be automatically limited at a position where the sliding rack is separated from the connecting gear 91, the baffle 924 is stably fixed at a designated position, and a stable working environment is provided for screening of the screen 5.

10. According to the screening equipment and the screening method for the corn kernels, the screened corn kernels can be collected by arranging the collecting box 21, and meanwhile, the collecting box 21 is convenient to take out by arranging the concave sliding rail 19 and the sliding plate 20, so that the screened corn kernels can be conveniently taken out of the inner part of the shell 1 in the later period.

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

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a screening installation for kernel of corn, includes casing (1), its characterized in that: an arc-shaped track (2) is arranged on the front side of an inner cavity of the casing (1), a sliding block (3) is connected to the inner wall of the arc-shaped track (2) in a sliding mode, one side of the sliding block (3) extends to the rear side of the arc-shaped track (2) and is provided with a connecting rod (4), a screen (5) is arranged at one end of the connecting rod (4), a permanent magnet (6) is fixedly installed at one side of the screen (5), an electromagnet (7) is fixedly installed at one side of the inner wall of the casing (1), a servo motor (8) is fixedly installed at the top of the casing (1), a main shaft (9) is connected to one end of a rotating shaft of the servo motor (8) in a transmission mode, one end of the main shaft (9) extends; the rotating mechanism (10) comprises a rotating disc (101), a movable rotating rod (102) is arranged at the bottom of the rotating disc (101), a rotating roller (103) is arranged at the bottom end of the movable rotating rod (102), a rotating sleeve (104) is sleeved on the outer surface of the rotating roller (103), a connecting rotating rod (105) is hinged to one side of the rotating sleeve (104), a sliding seal mechanism (106) is hinged to one end of the connecting rotating rod (105), an elastic recovery mechanism (11) is fixedly mounted on the other side of the inner wall of the shell (1), the elastic recovery mechanism (11) comprises a connecting track (111), an elastic recovery sliding plate (112) is connected to the bottom of the connecting track (111) in a sliding mode, an elastic recovery rod (113) is arranged on one side of the elastic recovery sliding plate (112), a rubber pad (114) is connected to one end of the elastic recovery rod (113), and a connecting spring (115) is arranged on the other side of, one end of the connecting spring (115) is welded with the inner wall of the casing (1), a feeding pipe (12) is arranged at the position of a feeding port on the upper surface of the casing (1), a drawing-off mechanism (13) is fixedly arranged on one side of the outer surface of the casing (1), a supporting rod (14) is welded on the other side of the outer surface of the casing (1), hinge pieces (15) are arranged on two sides of the supporting rod (14), a movable rod (16) is hinged to one side of each hinge piece (15), a return spring (17) is arranged on one side of each movable rod (16), one end of each return spring (17) is welded with the outer surface of the corresponding supporting rod (14), a clamping rod (18) is arranged at one end of each movable rod (16), and one side of each clamping rod (18) is clamped with the outer;

the drawing-off mechanism (13) comprises an exhaust fan (131), one end of the exhaust fan (131) is fixedly connected with a connecting pipeline (132), one end of the connecting pipeline (132) extends into the shell (1) and is provided with a disc (133), and the aperture of the screen (5) is 0.8 cm;

the other side fixedly connected with of air exhauster (131) arranges material pipe (134), the surface of arranging material pipe (134) is cup jointed and is collected bag (135).

2. The screening apparatus for corn kernels according to claim 1, wherein: the sliding seal mechanism (106) comprises a hinge shaft (1061), one side of the hinge shaft (1061) is hinged with one end of the connecting rotating rod (105), and a sliding block (1062) is arranged on the other side of the hinge shaft (1061).

3. The screening apparatus for corn kernels according to claim 4, wherein: one side of the sliding block (1062) is slidably connected with a movable sliding plate (1063), one side of the movable sliding plate (1063) is provided with a sliding groove matched with the sliding block (1062), the other side of the movable sliding plate (1063) is welded with the inner wall of the casing (1), and the bottom of the hinge shaft (1061) is provided with a magnetic baffle plate (1064).

4. The screening apparatus for corn kernels according to claim 1, wherein: the outer lane of main shaft (9) is provided with connecting gear (91), the rear side of connecting gear (91) is provided with and connects gear (91) engaged with glide machanism (92), glide machanism (92) are including slip rack (921), the rear side of slip rack (921) is connected with the rear side sliding connection of casing (1) inner chamber, and the rear side of casing (1) inner chamber is opened and is equipped with the spout with slip rack (921) looks adaptation.

5. The screening apparatus for corn kernels according to claim 6, wherein: one side of slip rack (921) is provided with steel cable (922), the surface sliding connection of steel cable (922) has movable pulley (923), the surface rotation of movable pulley (923) is connected with the dead lever, and the one end of dead lever and the top welding of casing (1) inner chamber, the one end of steel cable (922) is provided with baffle (924), one side sliding connection of baffle (924) has connection slide rail (925), the one side of connecting slide rail (925) and the top welding of casing (1) inner chamber, and baffle (924) and disc (133) are crisscross the setting, the opposite side of baffle (924) contacts with the surface of screen cloth (5).

6. The screening apparatus for corn kernels according to claim 7, wherein: spacing draw-in groove (93) have been seted up at the top of slip rack (921), the opposite side at slip rack (921) top is provided with spacing kelly (94), the bottom of spacing kelly (94) is provided with torque spring (95), the top of torque spring (95) and the bottom welding of casing (1) inner chamber, pull rod (96) have been cup jointed to the inner circle of torque spring (95), the one end of pull rod (96) extends to the top of casing (1).

7. The screening apparatus for corn kernels according to claim 1, wherein: concave sliding rails (19) are arranged on the front side and the rear side of an inner cavity of the machine shell (1), sliding plates (20) are connected to the inner walls of the concave sliding rails (19) in a sliding mode, a collecting box (21) is arranged between the two sliding plates (20), and one side of the collecting box (21) extends to the outer surface of the machine shell (1).

8. The screening apparatus and method for corn kernels according to any of claims 1-7, wherein: when the corn grain separating machine is used, a power supply is switched on, corn grains are poured into the screen (5), the electromagnet (7) generates a magnetic field to adsorb the screen (5) to slide rightwards, then the servo motor (8) is started to drive the spindle (9) to rotate, so that the connecting gear (91) is driven to rotate, the rotating connecting gear (91) drives the sliding rack (921) to slide on the machine shell (1), the sliding rack drives the baffle (924) to slide upwards on the connecting sliding rail (925) through the steel rope (922), when the sliding rack (921) slides to be separated from the connecting gear (91), the sliding rack (921) can slide at one end distance along with inertia under the action of inertia, at the moment, the limiting clamping groove (93) slides to the bottom of the limiting clamping rod (94), and the torsion spring (95) in a compression state resets to enable the limiting clamping rod (94) to automatically clamp the limiting clamping groove (93), at the moment, the baffle plate (924) slides to the top of the screen (5), the rotating spindle (9) drives the turntable (101) to rotate at the same time, so that the rotating sleeve (104) is driven to rotate around the rotating roller (103) in a circumferential manner, the connecting rotating rod (105) is driven to rotate and simultaneously pull the connecting rotating rod (105) to move left and right, the hinged shaft (1061) is driven to slide up and down, the magnetic baffle plate (1064) can move up and down, when the magnetic baffle plate (1064) moves downwards to shield the electromagnet (7), the magnetic field disappears, the screen (5) slides leftwards under the action of gravity to impact the rubber pad (114), the vibration is generated and simultaneously extrudes the connecting spring (115) to generate elasticity, then the screen (5) is pushed to slide rightwards, the acceleration of the screen (5) during sliding is improved by matching with the elastic potential energy of the spring, when the screen (5) slides rightwards obliquely upwards, at the moment, the baffle (924) moves above the electromagnet (7), the screen (5) is adsorbed to the upper right side by the baffle under the action of a magnetic field, the screen (5) can swing left and right in a reciprocating mode to screen corn grains, the corn grains smaller than (0) cm and (8) cm leak into the screen (5), and the vibrated dust and grain images fly up to suck the corn grains into the collection bag (135) by the exhaust fan (131) for collection; make it rotate around the pin joint through activity pole (16) of pressing both sides to the extrusion kelly makes it carry out antiport to both sides, makes it separate with collection bag (135), then can take out collection bag (135) pulling down, thereby can take out the kernel of corn in screen cloth (5) through external fan, then pulling collecting box (21) take out it can, thereby take out the kernel of corn of the inside screening of collecting box (21).

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