CN211247305U

CN211247305U - Grain screening device

Info

Publication number: CN211247305U
Application number: CN201922241795.6U
Authority: CN
Inventors: 刘吉勇
Original assignee: Anhui Gufeng Machinery Technology Co ltd
Current assignee: Anhui Gufeng Machinery Technology Co ltd
Priority date: 2019-12-15
Filing date: 2019-12-15
Publication date: 2020-08-14
Anticipated expiration: 2029-12-15

Abstract

The utility model relates to the technical field of agricultural equipment, and a cereal sieving mechanism is disclosed, which comprises a bod, the bottom fixedly connected with supporting leg of organism, the bottom fixedly connected with unloading pipe of organism, the equal fixedly connected with lock sleeve in top both sides of organism, the top activity overlap joint of organism has the apron, the movable hole has all been seted up to the both sides at organism top, and the inside swing joint in movable hole has the movable rod, the equal fixedly connected with guide plate of both sides inner wall of organism, the inner wall fixedly connected with dog of bottom of the body. This cereal sieving mechanism drives the rotation of half gear through first motor for the ring gear drives the cereal in the box and rocks, utilizes the elastic action of first spring, makes a round trip to rock about the box, realizes the primary screening to cereal, through the effect of first filter screen and second filter screen, makes cereal can be filtered once more, reaches the purpose of carrying out the multistage screening to cereal.

Description

Grain screening device

Technical Field

The utility model relates to an agricultural equipment technical field specifically is a cereal sieving mechanism.

Background

The grain screening is used for removing impurities from grains, such as stones, mud blocks and the like, generally used for separating impurities with different grain sizes, shapes and weights from the grains, and is essential in grain harvesting, transporting and processing, the grains are inevitably doped with impurities in the processes of harvesting, transporting and processing, including soil dust, stones, shells, corn and other grains, the impurities and the grains are inevitably required to be cleaned before the grains are harvested, transported and processed to obtain clean grains, and the grains are often required to be screened in the process of processing so as to separate the impurities in the grains and improve the quality of the grains, however, most of the existing grain screening devices are single screens, cannot realize multi-stage screening, and are poor in screening effect and low in efficiency, so that the grain screening device is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a cereal sieving mechanism possesses the advantage of multistage screening, has solved the problem that traditional sieving mechanism has the defect.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a grain screening device comprises a machine body, wherein the bottom of the machine body is fixedly connected with supporting legs, the bottom of the machine body is fixedly connected with a blanking pipe, both sides of the top of the machine body are fixedly connected with locking sleeves, the top of the machine body is movably lapped with a cover plate, both sides of the top of the machine body are respectively provided with a movable hole, the inner parts of the movable holes are movably connected with a movable rod, both inner walls of both sides of the machine body are fixedly connected with a guide plate, the inner wall of the bottom of the machine body is fixedly connected with a stop block, both inner walls of both sides of the bottom of the machine body are respectively provided with a movable groove, both sides of the bottom of the cover plate are respectively and fixedly connected with a threaded rod, both sides of the cover plate are respectively and fixedly connected with a feed hopper, the middle part of the cover, a gear ring is meshed on the surface of the half gear, two sides of the gear ring are fixedly connected with a box body, the inside of the bottom end of the box body is movably connected with a screen, one end of the movable rod is movably sleeved with a first spring, the outer wall of one side of the bottom of the machine body is fixedly connected with a second motor, the power output shaft of the second motor is fixedly connected with an eccentric wheel positioned in the machine body, the interior of the movable groove is movably connected with a movable block, the top of the movable block is fixedly connected with a second spring, one side of the movable block is fixedly connected with a supporting plate, one end of the supporting plate is fixedly connected with a shell, the inner wall of the shell is fixedly connected with a first filter screen, the inner wall of the shell is fixedly connected with a second filter screen which is positioned below the first filter screen, one side of the shell is fixedly connected with a first discharging pipe, and the other side of the shell is fixedly connected with a second discharging pipe.

Preferably, the bottom fixedly connected with antiskid pad foot of supporting leg, the quantity of supporting leg is four, and four supporting legs are the rectangle array and set up the bottom four corners at the organism, the quantity of unloading pipe is three.

Preferably, the movable rod is T-shaped, one end of the movable rod is fixedly connected with one side of the box body, the guide plate is obliquely arranged on the inner wall of the machine body, and one side of the stop block is in an inclined plane shape.

Preferably, the inner wall of one side of the toothed ring is provided with teeth matched with the half gear, one end of the first spring is fixedly connected with the inner wall of the machine body, and the other end of the first spring is fixedly connected with one side of the box body.

Preferably, the mesh diameters of the screen mesh, the first filter mesh and the second filter mesh gradually decrease, and the first filter mesh and the second filter mesh are obliquely arranged.

(III) advantageous effects

Compared with the prior art, the utility model provides a cereal sieving mechanism possesses following beneficial effect:

this cereal sieving mechanism, it is rotatory to drive the semi-gear through first motor, make the ring gear drive the cereal in the box and rock, utilize the elastic action of first spring, make the box make a round trip to rock, realize the elementary screening to cereal, effect through first filter screen and second filter screen, make cereal can be filtered once more, reach the purpose of carrying out multistage screening to cereal, the effect of screening has been improved, through setting up first spring, eccentric wheel and second spring, make box and casing can take place to remove, the separation of cereal and impurity has been accelerated, the efficiency of screening has been improved, the utility model discloses the device is convenient for operate, can carry out multistage screening, is worth promoting.

Drawings

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

fig. 2 is a top view of the ring gear connection structure of the present invention.

In the figure: 1 organism, 2 supporting legs, 3 unloading pipes, 4 lock sleeves, 5 apron, 6 movable rods, 7 guide plates, 8 dogs, 9 movable grooves, 10 threaded rods, 11 feeder hoppers, 12 first motors, 13 rotating shafts, 14 half gears, 15 toothed rings, 16 boxes, 17 screens, 18 first springs, 19 second motors, 20 eccentric wheels, 21 movable blocks, 22 second springs, 23 supporting plates, 24 shells, 25 first filter screens, 26 second filter screens, 27 first discharging pipes and 28 second discharging pipes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, a grain screening apparatus includes a machine body 1, a support leg 2 is fixedly connected to the bottom of the machine body 1, a blanking pipe 3 is fixedly connected to the bottom of the machine body 1, an anti-slip pad foot is fixedly connected to the bottom end of the support leg 2, which can increase friction with the ground and prevent the machine body 1 from displacement, the number of the support legs 2 is four, and the four support legs 2 are arranged at four corners of the bottom of the machine body 1 in a rectangular array, so as to ensure the stability of the machine body 1, the number of the blanking pipes 3 is three, so as to facilitate the collection of screened grains and impurities, locking sleeves 4 are fixedly connected to two sides of the top of the machine body 1, a cover plate 5 is movably lapped on the top of the machine body 1, movable holes are respectively formed on two sides of the top of the machine body 1, movable rods 6 are movably connected to the inside of, the inner wall of the bottom of the machine body 1 is fixedly connected with a stop block 8, the movable rod 6 is in a T-shaped shape and prevents the movable rod 6 from being separated from the machine body 1, one end of the movable rod 6 is fixedly connected with one side of a box body 16, so that the box body 16 can stably shake left and right, a guide plate 7 is obliquely arranged on the inner wall of the machine body 1 and is beneficial to the falling of grains, one side of the stop block 8 is in an inclined plane shape and plays a role in isolation and prevents impurities from being mixed with grains for the second time, movable grooves 9 are respectively arranged on the inner walls of two sides of the bottom of the machine body 1, threaded rods 10 are respectively and fixedly connected with the bottoms of two sides of a cover plate 5, feed hoppers 11 are respectively and fixedly connected with two sides of the cover plate 5, a first motor 12 is fixedly connected with the middle of the cover plate 5, a rotating shaft 13 is fixedly connected with a power output shaft of the first, the inside swing joint of the bottom of the container body 16 has the screen 17, one end of the movable rod 6 has the first spring 18 in the activity socket joint, one side inner wall of the toothed ring 15 has the tooth matching with the half gear 14, through the mutual cooperation of the toothed ring 15 and the half gear 14, utilize the elastic action of the first spring 18 at the same time, realize the shaking from side to side of the container body 16, has raised the efficiency of screening, one end of the first spring 18 is fixedly connected with inner wall of the organism 1, another end of the first spring 18 is fixedly connected with one side of the container body 16, one side outer wall of the bottom of the organism 1 is fixedly connected with the second motor 19, the power take-off shaft of the second motor 19 is fixedly connected with the eccentric wheel 20 located in the inside of the organism 1, the inside swing joint of the movable trough 9 has the movable block 21, the movable block 21 moves up and down in the inside of the movable trough 9, make the body 24 can, one side fixedly connected with backup pad 23 of movable block 21, the one end fixedly connected with casing 24 of backup pad 23, the first filter screen 25 of inner wall fixedly connected with of casing 24, the inner wall fixedly connected with second filter screen 26 of casing 24, second filter screen 26 is located the below of first filter screen 25, screen cloth 17, the mesh diameter of first filter screen 25 and second filter screen 26 diminishes gradually, the realization carries out the purpose of multistage screening to cereal, and first filter screen 25 and second filter screen 26 slope set up, be favorable to the roll whereabouts of material, the first discharging pipe 27 of one side fixedly connected with of casing 24, the opposite side fixedly connected with second discharging pipe 28 of casing 24.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

When the grain screening device is used, grains are poured into the feeding hopper 11, the grains fall into the box body 16, the first motor 12 is started, the rotating shaft 13 drives the half gear 14 to rotate, the gear ring 15 drives the two box bodies 16 to shake, when the box bodies 16 shake, one first spring 18 is compressed, the other first spring is stretched, when the half gear 14 rotates to be not meshed with the gear ring 15, the box body 16 is reset by utilizing the elastic action of the two first springs 18, the box body 16 is shaken back and forth, the grains in the box body 16 fall through the screen 17, mixed large-particle impurities and straws are left in the box body 16, the grains after primary screening fall into the shell body 24 along with the flow guide plate 7, the second motor 19 is started to drive the eccentric wheel 20 to rotate, the eccentric wheel 20 extrudes the supporting plate 23, and the elastic action of the second spring 22, make casing 24 take place shake from top to bottom, because first filter screen 25 and the slope of second filter screen 26 set up, make impurity greater than cereal discharge from first discharging pipe 27, cereal and little impurity drop downwards, because second filter screen 26's effect, make cereal roll along with second filter screen 26, discharge from second discharging pipe 28, little impurity drops downwards through the mesh on the second filter screen 26, can collect cereal and impurity after the filtration through a plurality of unloading pipe 3.

In conclusion, this cereal sieving mechanism, it is rotatory to drive half gear 14 through first motor 12, make the ring gear 15 drive the cereal in the box 16 and rock, utilize the elastic action of first spring 18, make the box 16 control and make a round trip to rock, realize the elementary screening to cereal, effect through first filter screen 25 and second filter screen 26, make cereal can be filtered once more, reach the purpose of carrying out multistage screening to cereal, the effect of screening has been improved, through setting up first spring 18, eccentric wheel 20 and second spring 22, make box 16 and casing 24 can take place to remove, the separation of cereal and impurity has been accelerated, the efficiency of screening has been improved, the utility model discloses the device is convenient for operate, can carry out multistage screening, be worth promoting.

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

1. The utility model provides a cereal sieving mechanism, includes organism (1), its characterized in that: the bottom of the machine body (1) is fixedly connected with supporting legs (2), the bottom of the machine body (1) is fixedly connected with a blanking pipe (3), two sides of the top of the machine body (1) are fixedly connected with locking sleeves (4), the top of the machine body (1) is movably lapped with a cover plate (5), two sides of the top of the machine body (1) are respectively provided with a movable hole, the inner part of each movable hole is movably connected with a movable rod (6), the inner walls of two sides of the machine body (1) are respectively and fixedly connected with a guide plate (7), the inner wall of the bottom of the machine body (1) is fixedly connected with a stop block (8), the inner walls of two sides of the bottom of the machine body (1) are respectively provided with a movable groove (9), the bottoms of two sides of the cover plate (5) are respectively and fixedly connected with a threaded rod (10), the two sides of the cover plate (5), a rotating shaft (13) is fixedly connected with a power output shaft of the first motor (12), a half gear (14) is fixedly connected with the bottom end of the rotating shaft (13), a toothed ring (15) is meshed with the surface of the half gear (14), a box body (16) is fixedly connected with both sides of the toothed ring (15), a screen (17) is movably connected with the inner part of the bottom end of the box body (16), a first spring (18) is movably sleeved at one end of the movable rod (6), a second motor (19) is fixedly connected with the outer wall of one side of the bottom of the machine body (1), an eccentric wheel (20) positioned in the machine body (1) is fixedly connected with a power output shaft of the second motor (19), a movable block (21) is movably connected with the inner part of the movable groove (9), a second spring (22) is fixedly connected with the top of the movable block (21), and a supporting plate (23) is fixedly connected with one side, one end fixedly connected with casing (24) of backup pad (23), the first filter screen of inner wall fixedly connected with (25) of casing (24), the inner wall fixedly connected with second filter screen (26) of casing (24), second filter screen (26) are located the below of first filter screen (25), the first discharging pipe of one side fixedly connected with (27) of casing (24), the opposite side fixedly connected with second discharging pipe (28) of casing (24).

2. The grain screening apparatus according to claim 1, wherein: the anti-skidding foot pad is fixedly connected with to the bottom of supporting leg (2), the quantity of supporting leg (2) is four, and four supporting legs (2) are the bottom four corners of rectangle array setting at organism (1), the quantity of unloading pipe (3) is three.

3. The grain screening apparatus according to claim 1, wherein: the movable rod (6) is T-shaped, one end of the movable rod (6) is fixedly connected with one side of the box body (16), the guide plate (7) is obliquely arranged on the inner wall of the machine body (1), and one side of the stop block (8) is inclined.

4. The grain screening apparatus according to claim 1, wherein: tooth matched with semi-gear (14) has been seted up to one side inner wall of ring gear (15), the one end of first spring (18) and the inner wall fixed connection of organism (1), the other end of first spring (18) and one side fixed connection of box (16).

5. The grain screening apparatus according to claim 1, wherein: the mesh diameters of the screen mesh (17), the first filter mesh (25) and the second filter mesh (26) are gradually reduced, and the first filter mesh (25) and the second filter mesh (26) are obliquely arranged.