CN213558353U

CN213558353U - Seed sieving mechanism is used in agricultural technology popularization

Info

Publication number: CN213558353U
Application number: CN202022608987.9U
Authority: CN
Inventors: 张绪萍
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-06-29
Anticipated expiration: 2030-11-12

Abstract

The utility model provides a seed sieving mechanism is used in agricultural technology popularization, including the screening box, transmission box and collection dirt box, the inside of screening box is provided with the screen cloth, the bracing piece, baffle and flow distribution plate, the inner wall both sides of screening box are provided with the mounting panel of being connected with the bottom both ends of flow distribution plate, the top of flow distribution plate is the free end, the bottom of flow distribution plate is through regulating spindle and the hand wheel connection of setting in the screening box outside, the opposite side of screening box is provided with the dust absorption head, the rear end of dust absorption head has connected gradually the dust absorption branch pipe, the female pipe of dust absorption, dust absorption fan and collection dirt box, the inside of collection dirt box is provided with the dust removal sack, the slope is provided with the flitch of sweeping of a plurality of longitudinal. The device has the advantages of being reasonable in design, simple in structure, strong in adjusting capacity, good in shunting effect and high in screening efficiency, and is beneficial to improving the working environment and suitable for large-scale popularization.

Description

Seed sieving mechanism is used in agricultural technology popularization

Technical Field

The utility model belongs to the technical field of agricultural machine equipment, relate to the seed screening, especially relate to a seed sieving mechanism is used in agricultural technology popularization.

Background

The quality of the plant seeds directly influences the germination and survival rate of the plants, and in the aspect of agricultural planting, the plant seeds need to be screened before the plants are planted so as to select the seeds with the best quality, so that the high germination rate and the high survival rate of the agricultural planting are ensured, and the yield of crops is improved as much as possible.

The prior patent technology CN211100100U discloses an agricultural high-efficiency seed screening device, which comprises a screening device body and a transmission case, wherein the upper end of the screening device body is provided with a feed inlet, one side surface of the screening device body is provided with a first discharge port, the lower end of the first discharge port is provided with a second discharge port, the lower end of the second discharge port is provided with a third discharge port, the adjacent side surface of the third discharge port is provided with an access door, the upper end of the access door is provided with an observation window, the adjacent side surface of the observation window is provided with the transmission case, the inner side of the transmission case is provided with a second rotating motor, through the arrangement of a shunting device, seeds are poured into the screening device body through the feed inlet, at the moment, the first rotating motor drives a partition plate to rotate through a transmission shaft, so that the seeds enter the shunting device, the seeds fall on the surface of a first screening net through a funnel discontinuously, meanwhile, the screening quality is ensured. However, the device has the problems that the structures such as a flow dividing device, a partition plate, a funnel and the like are arranged between the feed inlet and the screen, and although the flow dividing device has the flow dividing function, the screening capability of the device is reduced, the screening time is prolonged, and the efficiency is reduced; moreover, because the seed raw materials contain a large amount of powder and slag, a large amount of dust is easily excited in the screening process, the flying dust can influence the working environment, and the difficulty of seed screening and the workload of cleaning the seeds can be increased; moreover, part of the seeds from top to bottom directly fall on the screen at a position closer to the front, and due to the forward pushing action of the seeds at the back, a part of the seeds cannot be screened sufficiently, so that the screening quality is still to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the technical problem that foretell seed sieving mechanism exists, provide a reasonable in design, simple structure, seed sieving mechanism is used in agricultural technology popularization.

In order to achieve the above purpose, the utility model adopts the technical scheme that the seed screening device for agricultural technology popularization, which is provided by the utility model, comprises a screening box body and a transmission box body, wherein a feed inlet and a plurality of discharge outlets are arranged on the screening box body, a plurality of screen meshes which are distributed up and down and two support rods for connecting the screen meshes are arranged in the screening box body, a baffle is arranged at the rear side of the screen meshes, the rear side of the baffle is connected with a transmission mechanism arranged in the transmission box body, the transmission mechanism comprises a rotating shaft, a driving wheel and a cam, a plurality of splitter plates which are arranged above the screen meshes are arranged in the screening box body, the splitter plates are arranged in a straight line shape, mounting plates which are connected with the two ends of the bottom of the splitter plates are arranged at the two sides of the inner wall of the screening box body, the top of the splitter plates are free ends, and, the one end of regulating spindle is provided with the hand wheel, the hand wheel is located the outside of screening box, be provided with a plurality ofly on the side of the other end that is used for installing the regulating spindle on the screening box with flow distribution plate interval distribution's dust absorption head, the rear end of dust absorption head is provided with the dust absorption branch pipe, the dust absorption branch pipe sets up on the female pipe of dust absorption, the one end of the female pipe of dust absorption is provided with the dust absorption fan, the dust absorption fan sets up at collection dirt box top, the inside of collection dirt box is provided with the dust removal sack, the slope is provided with the flitch of sweeping of a plurality of longitudinal distribution on the bracing piece, sweep flitch and screen cloth interval distribution, the bottom.

Preferably, the height of the material sweeping plate on the support rod close to the baffle in the two support rods is greater than the height of the material sweeping plate on the support rod far from the baffle.

Preferably, the screening box is internally provided with a guide rod below the screen, the side surface of the guide rod is provided with a guide hole movably connected with the support rod, the bottom of the support rod is provided with a slide block, two sides of the slide block are provided with springs, and the springs are positioned in the limiting groove plate.

Preferably, the outward extension lengths of the plurality of discharge ports are gradually shortened in the order from top to bottom.

Compared with the prior art, the utility model discloses an advantage lies in with positive effect:

1. the utility model provides a seed sieving mechanism for agricultural technology popularization, the contained angle between different flow distribution plates can be adjusted through rotating the hand wheel to change the flow and the distribution of seed unloading, the regulating power is stronger, the reposition of redundant personnel effect is better, and be favorable to guaranteeing that this device has higher screening efficiency; the dust collection fan can reasonably and effectively collect dust excited in the screening box body into the dust collection box body, thereby being beneficial to the working environment and reducing the workload; the utilization is swept the flitch and can be arranged in order the seed on the screen cloth effectively, improves the sufficiency of screening, and the screening quality is higher. The utility model relates to a rationally, simple structure is fit for extensive the popularization.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic view of an internal structure of a seed screening apparatus for agricultural technology popularization according to an embodiment;

FIG. 2 is a side view of the seed screening apparatus for agricultural technology popularization according to the embodiment;

in the above figures, 1, a screening box body; 2. a transmission case body; 3. a feed inlet; 4. a discharge port; 5. screening a screen; 6. a support bar; 7. a baffle plate; 8. a transmission mechanism; 81. a rotating shaft; 82. a drive wheel; 83. a cam; 9. a flow distribution plate; 10. mounting a plate; 11. a hand wheel; 12. a dust collection head; 13. a dust collection branch pipe; 14. a dust collection main pipe; 15. a dust collection fan; 16. a dust collecting box body; 17. sweeping the material plate; 18. a brush; 19. a guide bar; 20. a guide hole; 21. a slider; 22. a spring; 23. and a limiting groove plate.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" used herein refer to the same directions as the drawings, and do not limit the structure.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Embodiment, as shown in fig. 1 and 2, the utility model provides a seed sieving mechanism is used in agricultural technology popularization, including screening box 1 and transmission box 2, be provided with feed inlet 3 and a plurality of discharge gate 4 on the screening box 1, the inside of screening box 1 is provided with a plurality of screen cloth 5 that distribute from top to bottom and two bracing pieces 6 that are used for connecting the screen cloth, and the rear side of screen cloth 5 is provided with baffle 7, and the rear side of baffle 7 is connected with the drive mechanism 8 that sets up in transmission box 2 inside, and drive mechanism 8 includes pivot 81, drive wheel 82 and cam 83. Wherein, screening box 1, transmission box 2, screen cloth 5, baffle 7 and drive mechanism 8 are current mature technology, and this embodiment is no longer repeated here. On this basis, the utility model discloses the key structure of screening box inside between feed inlet and screen cloth that has improved to improve the reposition of redundant personnel effect and the holistic screening ability of seed unloading, still increased dust collection structure simultaneously, including dust absorption head 12, dust absorption branch pipe 13, the female pipe 14 of dust absorption, dust absorption fan 15 and integrated box 16 isotructures, provide dust absorption ability for this device.

Specifically, the utility model is provided with a plurality of splitter plates 9 positioned above the screen mesh in the screening box 1, the splitter plates 9 are arranged in a straight line, mounting plates 10 connected with both ends of the bottom of the splitter plates are arranged on both sides of the inner wall of the screening box 1, the top of the splitter plates 9 is a free end, the bottom of the splitter plates 9 is provided with an adjusting shaft, one end of the adjusting shaft is provided with a hand wheel 11, the hand wheel 11 is positioned on the outer side of the screening box 1, a plurality of dust collection heads 12 which are distributed at intervals with the splitter plates are arranged on the side surface of the other end of the screening box 1 for mounting the adjusting shaft, the rear end of the dust collection head 12 is provided with a dust collection branch pipe 13, the dust collection branch pipe 13 is arranged on a dust collection main pipe 14, one end of the dust collection main pipe 14 is provided with a dust collection fan 15, the dust collection fan 15 is arranged on the top of a dust collection box 16, a dust collection, the material sweeping plates 17 and the screen 5 are distributed at intervals, and brushes 18 are arranged at the bottoms of the material sweeping plates 17. The splitter plate 9 in the present apparatus is used to directly adjust the distribution capacity of seeds entering the screen. The included angles between different splitter plates 9 can be adjusted by rotating a hand wheel 11, so that the flow and distribution of seed blanking are changed, the adjusting range can be selected according to the specific blanking total amount, the splitter plates can be inclined to the front side of the screening box body 1 as much as possible due to the large blanking total amount, the seed capacity can fall on the rear side of the screen 5 as much as possible, the seeds can have enough screening stroke on the screen, and the screening sufficiency is ensured; can make flow distribution plate 9 keep perpendicular or suitably incline backward under the little condition of unloading total amount, make seed evenly distributed on screen cloth 5 to shorten the screening time, like this, this device obtains higher regulating power promptly, and the reposition of redundant personnel effect is better, and is favorable to guaranteeing that this device has higher screening efficiency. Furthermore, the device utilizes the dust collection fan 15 to reasonably and orderly collect dust excited in the screening box body 1 into the dust collection box body 16 through the dust collection head 12, the dust collection branch pipe 13 and the dust collection main pipe 14, so that the device is favorable for the working environment, particularly reduces powder carried on seeds, and reduces the subsequent cleaning work. Furtherly again, flitch 17 can play the effect of reposition of redundant personnel on the one hand through setting up in the screen cloth top that leans on two-layer down, and on the other hand then can arrange the seed on the screen cloth in order effectively, prevents that the seed from gushing to the discharge gate together, improves the sufficiency of screening, and the screening quality is higher, and brush 18 can also reduce the probability that the seed is detained.

In order to improve the sufficiency that the seed was screened by the screen cloth, the utility model provides an it is highly greater than the leaving net height of sweeping flitch 17 on keeping away from the bracing piece of baffle to be close to sweeping flitch 17 on the bracing piece of baffle among two bracing pieces 6. The design can make the seed heap on the side close to the baffle plate on the screen be relatively thick, and the seed heap thickness that vibrates forward becomes thin gradually or the quantity becomes thin, thereby effectively improving the screening efficiency of screen.

In order to improve the balance ability of screen cloth 5 in the vibration screening process, the utility model discloses be provided with the guide bar 19 that is located the screen cloth below in the inside of screening box 1, the side of guide bar 19 is provided with the guiding hole 20 with bracing piece swing joint, and the bottom of bracing piece 6 is provided with slider 21, and slider 21's both sides are provided with spring 22, and spring 22 is arranged in spacing frid 23. The guide rod 19 is used for providing a guide function for the support rod 6, so that the support rod can do linear reciprocating motion along the guide hole 20; the slide block 21 is used as a transitional connection structure of the support rod 6 and the spring 22, on one hand, the anti-tilt effect can be achieved, on the other hand, the slide block and the spring 22 can move regularly on an effective working surface, and the balance capacity is high.

For the seed after the convenient collection screening, the utility model provides a length of extension outwards of a plurality of discharge gates 4 shortens according to the order from top to bottom gradually to make the device of collecting the seed distribute by far away and near, with the purpose of realizing collecting, the probability of making muddy is lower, guarantees seed collection efficiency.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. A seed screening device for agricultural technology popularization comprises a screening box body and a transmission box body, wherein a feed inlet and a plurality of discharge outlets are formed in the screening box body, a plurality of screen meshes which are vertically distributed and two support rods used for connecting the screen meshes are arranged in the screening box body, a baffle is arranged on the rear side of each screen mesh, the rear side of each baffle is connected with a transmission mechanism arranged in the transmission box body, each transmission mechanism comprises a rotating shaft, a driving wheel and a cam, the seed screening device is characterized in that a plurality of splitter plates located above the screen meshes are arranged in the screening box body, the splitter plates are arranged in a straight line shape, mounting plates connected with the two ends of the bottom of each splitter plate are arranged on the two sides of the inner wall of the screening box body, the top of each splitter plate is a free end, an adjusting shaft is arranged at the bottom of each splitter plate, and a hand wheel, the hand wheel is located the outside of screening box, be provided with a plurality of dust absorption heads with flow distribution plate interval distribution on the side of the other end that is used for installing the regulating spindle on the screening box, the rear end of dust absorption head is provided with the dust absorption branch pipe, the dust absorption branch pipe sets up on the female pipe of dust absorption, the one end of the female pipe of dust absorption is provided with the dust absorption fan, the dust absorption fan sets up at collection dust box top, the inside of collection dust box is provided with the dust removal sack, the slope is provided with the flitch of sweeping of a plurality of longitudinal distributions on the bracing piece, sweep flitch and screen cloth interval distribution, the bottom of sweeping the flitch is provided with.

2. The agricultural technology popularization seed screening apparatus of claim 1, wherein the height of the material sweeping plate on the support rod close to the baffle among the two support rods is greater than the height of the material sweeping plate on the support rod far from the baffle.

3. The seed screening device for agricultural technology popularization according to claim 2, wherein a guide rod located below the screen is arranged inside the screening box body, a guide hole movably connected with the support rod is formed in the side face of the guide rod, a sliding block is arranged at the bottom of the support rod, springs are arranged on two sides of the sliding block, and the springs are located in the limiting groove plates.

4. The agricultural technology popularization seed screening apparatus of claim 3, wherein the outward extending lengths of the plurality of discharge ports are gradually shortened in order from top to bottom.