CN216064285U - Secondary cleaning combined screen type corn cleaning mechanism - Google Patents

Abstract

A combined sieve type corn cleaning mechanism for secondary cleaning belongs to agricultural machinery; when the purpose is cleaning maize seed grain, sifter one end is articulated through round pin axle and screen frame, and the other end is installed in the slide, can freely slide in the slide, can be different from the reciprocating swing's of screen frame swing motion when the reciprocating swing motion is done to the screen frame under inertial action, reducible seed grain adhesion. Meanwhile, after passing through the screen, grains are cleaned secondarily under the action of the reciprocating swing of the suction fan and the screen body and the inclined plane in the screen body, the grains are cleaned secondarily like S in the screen body and are discharged finally, the grain cleaning stroke is long, and the impurity removal is cleaner. Meanwhile, the internal structure of the screen body, the screen surface 1 and the screen surface 2 belong to a combined screen type. The inclination angles of the screen surface 1 and the screen surface 2 are different, so that different swinging of the inclination angles can be realized, the adhesion of grains and the screen surface is better reduced, the feeding amount is increased, the screening efficiency is improved, and the cleaning operation with high quality and high efficiency is completed.

Description

Secondary cleaning combined screen type corn cleaning mechanism

Technical Field

The invention belongs to agricultural machinery, and mainly relates to a combined sieve type corn cleaning mechanism for secondary cleaning.

Background

Some existing domestic maize combine cleaning plant, when results maize, cleaning effect is not good, and grain loss rate is too big, especially under the wet, the great circumstances of feeding volume of maize, when cleaning plant cleans the maize that the moisture content is higher, causes the material adhesion on the sifter very easily, leads to the sieve mesh to block up and pile up the phenomenon, has reduced cleaning efficiency to there is the big scheduling problem of cleaning loss under the big feeding volume. Traditional cleaning plant adopts upper and lower two-layer sieve, receives the harvester volume restriction, is difficult to satisfy the requirement of cleaning of big feeding volume in limited space, leads to cleaning the effect poor, and the seed grain loss is big.

Disclosure of Invention

The invention aims to research and develop a combined screen type corn cleaning mechanism for secondary cleaning aiming at the problems of poor cleaning effect, adhesion between materials and a screen surface, poor cleaning effect under large feeding amount, large seed loss and limited space of a cleaning device, thereby achieving the purpose of improving the cleaning operation efficiency of grains.

The purpose of the invention is realized as follows: through screw nut installation screen frame connecting rod 1 and screen frame connecting rod 2 on the screen frame, the eccentric wheel is installed on the main shaft to rotate along with the main shaft, the eccentric wheel links firmly together with screen frame connecting rod 1 through the connecting rod, so screen frame connecting rod 1 can do the rotation along with the main shaft, and screen frame connecting rod 2 links together through jib and frame pole simultaneously, and the jib can rotate around the frame pole, can realize the swing of screen frame round the frame pole. Therefore, the screen body can swing back and forth under the driving of the main shaft. One ends of the screen surface 1 and the screen surface 2 are hinged with the screen body through a pin shaft, the other ends of the screen surface 1 and the screen surface 2 are fixed in a slide way of the screen body and can freely slide in the slide way, and the other ends of the screen surface 1 and the screen surface 2 can rotate under the hinge of the pin shaft, so that the screen surface 1 and the screen surface 2 can do swing motion while the screen body does reciprocating swing motion under the inertia effect, the adhesion of grains and materials on the screen surface can be reduced, the phenomena of screen mesh blockage and accumulation are reduced, the inclination angles of the screen surface 1 and the screen surface 2 are different, and the motion with different inclination angles can be realized. Two sides of the screen body are provided with 3 air suction openings, so that fine impurities screened from the screen surface 1 and the screen surface 2 can be sucked away through the air suction openings, and secondary cleaning is realized. Inside inclined plane 1 that has set up of screen frame, inclined plane 2, inclined plane 3 and guide plane, the seed grain that sees through the sifter falls into inside the screen frame, can be at inclined plane inclination effect, the effect of induced drafting of screen frame reciprocating motion effect and inlet scoop moves to the guide plane from inclined plane 1, inclined plane 2 is transported to the rethread seed grain opening, later through the guide plane, carry the seed grain export through inclined plane 3 at last, fall into at last and receive the grain box, the secondary is cleaned in-process seed grain and is walked similar sigmoid in the screen frame is inside, it is acting on the inclined plane in the motion process all the time to have the suction fan after the seed grain sees through sifter and sifter, visible suction fan action time is long, clean time is long, can realize the high efficiency of cleaning. Meanwhile, the internal structure of the screen body, the screen surface 1 and the screen surface 2 belong to a combined screen type, and the screen body is different from a traditional 2-layer screen and can improve the efficiency in a limited space. Thus, the combined corn cleaning mechanism with the movable screen surface and long cleaning stroke is formed.

During cleaning operation, the screen surface does swing motion under the action of inertia while the screen body does reciprocating motion, and the inclination angles of the screen surface 1 and the screen surface 2 are different, so that the movement with different inclination angles can be realized, the problem of the adhesion of corns with high water content on the screen surface can be reduced, and the phenomena of screen hole blockage and accumulation can be further reduced. Simultaneously the feeding mouth is established on cleaning plant upper portion, the seed grain is cleaned the back through sifter 1 and sifter 2, see through sifter and pass through to screen frame inner structure, the seed grain is at the screen frame reciprocating motion effect, the secondary is cleaned under inclined plane effect and the fan effect, walk the S-shaped final row of bend in the screen frame inside and receive the granary, and the seed grain carries out the edulcoration to the tiny miscellaneous surplus of passing through the sieve under the effect of suction fan when the screen frame is inside to be removed and handles, the cleaning area has been improved, the cleaning time, and then improve cleaning efficiency, the cleaning effect is improved, novel structure, reasonable, it is effectual to subtract the viscidity, cleaning operation efficiency is high, the characteristics of cleaning ability reinforce.

Drawings

FIG. 1 is a schematic view of the general structure of a combined screen type corn cleaning mechanism for secondary cleaning;

FIG. 2 is a schematic view of the general structure of a combined screen type corn cleaning mechanism for secondary cleaning (no cleaning mechanism housing, no fan);

FIG. 3 is a screen body of the cleaning mechanism;

FIG. 4 is a schematic illustration of a screen surface configuration;

fig. 5 is a front view of fig. 4:

description of part numbers in the figures:

1. the grain sorting machine comprises a impurity guiding residual straw plate, 2, a grain collecting box, 3, screen body connecting rods 1 and 4, a main shaft, 5, an eccentric wheel, 6, a connecting rod, 7, a sorting mechanism housing, 8, an air suction opening, 9, a feeding opening, 10, screen surfaces 1 and 11, a hanging rod, 12, a rack rod, 13, screen surfaces 2 and 14, screen bodies, 15, a pin shaft, 16, screen body connecting rods 2 and 17, inclined planes 1 and 18, inclined planes 2 and 19, a grain passing opening, 20, a material guiding plane, 21, inclined planes 3 and 22, a slide way, 23 and a grain outlet.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The screen body connecting rod 1(3) and the screen body connecting rod 2(16) are installed on the screen body (14) through bolts and nuts, the eccentric wheel (5) is installed on the main shaft (4) and rotates along with the main shaft (4), the eccentric wheel (5) is fixedly connected with the screen body connecting rod 1(3) through the connecting rod (6), so the screen body connecting rod 1(6) can rotate along with the main shaft (4), meanwhile, the screen body connecting rod 2(16) is connected with the rack rod (12) through the hanging rod (11), the hanging rod (11) can rotate around the rack rod (12), and the swinging of the screen body (14) around the rack rod (12) can be realized. Therefore, the screen body (14) can do reciprocating swing under the drive of the main shaft (4). One end of the screen surface 1(10) and one end of the screen surface 2(11) are hinged with the screen body (14) through a pin shaft (15), the other end of the screen surface is fixed in a slideway (22) of the screen body and can freely slide in the slideway (22), and the other end of the screen surface can rotate under the hinge of the pin shaft (15), so that the screen surface 1(10) and the screen surface 2(11) can do swinging motion while the screen body (14) does reciprocating swinging motion under the inertia effect, thereby reducing the adhesion of grains and materials on the screen surface and further reducing the phenomena of screen hole blockage and accumulation, and the screen surface 1(10) and the screen surface 2(11) have different inclination angles and can realize the motions with different inclination angles. Two sides of the screen body (14) are provided with 3 air suction openings (8) which can suck the fine impurities screened from the screen surfaces 1(10) and 2(11) through the air suction openings (8) to realize secondary cleaning. The screen body (14) is internally provided with an inclined plane (1) (17), an inclined plane (2) (18), an inclined plane (3) (21) and a material guiding plane (20), the grains penetrating through the screen surface fall into the screen body, can move from the inclined plane 1(17) to the material guiding plane (20) under the action of the inclined plane inclination angle, the reciprocating swing action of the screen body (14) and the air suction action of the air suction opening (8), then is conveyed to the inclined plane 2(18) through the grain opening (19), then is conveyed to the grain outlet (23) through the material guiding plane (20) and finally through the inclined plane 3(21), and finally falls into the grain receiving box (2), in the secondary cleaning process, the grains are similar to S shape in the screen body (14), the suction fan is always acted in the process of moving on the inclined plane after the grains penetrate through the screen surface 1(10) and the screen surface 2(11), so that the action time of the suction fan is long, the cleaning time is long, and the high cleaning efficiency can be realized. Meanwhile, the internal structure of the screen body (14), the screen surfaces 1 and 10 and the screen surfaces 2 and 11 belong to a combined screen type, and the efficiency can be improved in a limited space by being different from a traditional 2-layer screen. Thus, the combined corn cleaning mechanism with the movable screen surface and long cleaning stroke is formed.

During operation, the motor (not shown in the figure) drives the main shaft (4) to rotate, the eccentric wheel (5) and the main shaft (4) rotate together, the connecting rod (6) connected with the eccentric wheel (5) drives the screen body connecting rod (1) (3) to rotate around the main shaft (4), and the screen body (14) is fixedly connected with the screen body connecting rod (1) (3) through bolts and nuts, so that the screen body (14) can rotate around the main shaft (4). The screen body (14) is arranged with the frame rod (12) through the suspension rod (11) at the screen body connecting rod (2), (16), and the screen body (14) swings around the frame rod (12) under the suspension rod (11), so the screen body (14) does reciprocating swing motion under the driving of the main shaft (4). One end of the screen surface 1(10) and one end of the screen surface 2(11) are hinged with the screen body (14) through a pin shaft (15), the other end of the screen surface is fixed in a slideway (22) of the screen body and can freely slide in the slideway (22), and the other end of the screen surface can freely rotate under the hinge of the pin shaft (15), so that the screen surface 1(10) and the screen surface 2(11) can do swinging motion while reciprocating swinging motion of the screen body (14) under the inertia effect, thereby reducing the adhesion of grains and materials on the screen surface and further reducing the phenomena of screen hole blockage and accumulation, and the inclination angles of the screen surface 1(10) and the screen surface 2(11) are different, thereby realizing the motion with different inclination angles. The material is fed from the feeding port (1), the screen surface performs reciprocating motion on the screen body (14) and simultaneously performs swing motion to clean the material, after the screen surface 1(10) and the screen surface 2(11) are cleaned, the fine impurities passing through the screen fall into the screen body (14), the grains fall on the inclined surface 1(17), under the action of the air suction port (8), the fine impurities passing through the screen are sucked out and discharged to the outside of the machine for secondary cleaning, simultaneously, the reciprocating swing motion action of the screen body (14), the air suction action of the air suction port (8) and the inclined surface 1(17) perform the inclined action to ensure that the grains falling on the inclined surface 1(17) slide to the material guide plane (20) and move to the inclined surface 2(18) through the grain opening (19), the fine impurities passing through the screen can still be removed through the air suction port (8) on the inclined surface 2(18), and then the motion action of the screen body (14), the air suction action of the air suction port (8) and the inclined surface (18) ensure that the fine impurities slide to the inclined surface 2(18) to the material guide plane (20) And then slide to the inclined plane 3(21), and finally fall into the grain collecting box (2) from the grain outlet (23). In the cleaning process, the grains move from the inclined plane 1(17) to the inclined plane 2(18) through the material guide plane (20) after passing through the screen, move to the inclined plane 3(21) through the material guide plane (20) and are finally discharged from the grain outlet (23), the grains move in the whole process of the screen body (14), the suction fan sucks fine impurities passing through the screen from the suction opening (8) all the time, the visible screening time is long, the cleaning area for the grains to move is large, the feeding amount can be improved, the cleaning effect is better, and the impurities can be removed more cleanly.

Claims (1)

1. The utility model provides a mechanism is cleaned to combination sieve formula maize of secondary is cleaned which characterized in that: the screen body connecting rod 1(3) and the screen body connecting rod 2(16) are arranged on the screen body (14) through bolts and nuts, the eccentric wheel (5) is arranged on the main shaft (4) and rotates along with the main shaft (4), the eccentric wheel (5) is fixedly connected with the screen body connecting rod 1(3) through the connecting rod (6), so the screen body connecting rod 1(3) can rotate along with the main shaft (4), meanwhile, the screen body connecting rod 2(16) is connected with the rack rod (12) through the suspension rod (11), the suspension rod (11) can rotate around the rack rod (12), the screen body (14) can swing around the rack rod (12), so the screen body (14) can swing back and forth under the driving of the main shaft (4), one end of the screen surface 1(10) and the screen surface 2(13) is hinged with the screen body (14) through the pin shaft (15), the other end of the screen surface is fixed in a slideway (22) of the screen body and can slide freely in the slideway (22), the other end can rotate under the hinge of the pin shaft (15), so the screen surface 1(10) and the screen surface 2(13) can do the swing motion under the inertia effect while the screen body (14) does the reciprocating swing motion, thereby reducing the adhesion of grains and materials on the screen surface, further reducing the blocking and accumulation phenomena of screen holes, and the screen surface 1(10) and the screen surface 2(13) have different inclination angles and can realize the motion with different inclination angles, 3 air suction openings (8) are arranged at the two sides of the screen body (14), fine impurities screened from the screen surface 1(10) and the screen surface 2(13) can be sucked through the air suction openings (8) for secondary cleaning, the inclined surface 1(17), the inclined surface 2(18), the inclined surface 3(21) and the material guide plane (20) are arranged in the screen body (14), and the grains can fall into the screen body through the screen surface, can do the action of the inclined surface inclination angle, the reciprocating swing motion action of the screen body (14) and the air suction action of the air suction openings (8) from the inclined surface 1(17) to the material guide plane (20) The corn grain cleaning and sorting machine is characterized by further comprising a grain guiding plane (20), a grain outlet (23) through an inclined plane (3) (21), a grain collecting box (2), a grain guiding plane (20), a grain outlet (23) through an inclined plane (3) (21), and a grain sorting box (2), wherein the grain sorting machine is similar to an S shape in the screen body (14) in the secondary cleaning process, a suction fan is always acted in the process that the grain penetrates through the screen surface (1) (10) and the screen surface (2) (13) and moves on the inclined plane, the action time of the suction fan is long, the cleaning time is long, the high cleaning efficiency can be realized, meanwhile, the internal structure of the screen body (14), the screen surface (1) (10) and the screen surface (2) (13) belong to a combined screen, the combined type corn cleaning and sorting machine is different from a traditional 2-layer screen, the efficiency can be improved in a limited space, and the combined type corn cleaning and sorting mechanism with a movable screen surface is formed.

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