CN213644922U

CN213644922U - Seed grain edulcoration sieving mechanism for harvester

Info

Publication number: CN213644922U
Application number: CN202022415778.2U
Authority: CN
Inventors: 张卫民; 国海; 张春雨; 曹向虎
Original assignee: Anhui University of Science and Technology
Current assignee: Anhui University of Science and Technology
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-07-09
Anticipated expiration: 2030-10-27

Abstract

The utility model discloses a grain impurity removal screening device for a harvester, belonging to the technical field of impurity removal screening devices, which comprises a base, the base is fixedly connected with a first box body, the top of the first box body is fixedly connected with a motor and an air pump, the output end of the motor is fixedly connected with a first rotating shaft, the first rotating shaft is fixedly connected with a first helical gear, a first crank and a second crank, the inner wall of the first box body is rotationally connected with a second rotating shaft, the utility model has simple structure and convenient operation, the dust removal purpose is realized by arranging the blower and the suction opening, the dust removal effect is improved by arranging the rotating blades, through setting up first filter screen, realize the edulcoration purpose, through setting up the second box, improve edulcoration effect and efficiency, through setting up the third box, improve screening efficiency, the practicality improves greatly.

Description

Seed grain edulcoration sieving mechanism for harvester

Technical Field

The utility model relates to an edulcoration sieving mechanism technical field especially relates to a seed grain edulcoration sieving mechanism for harvester.

Background

The harvester is the integration machinery of reaping crops, can once only accomplish reap, thresh, the edulcoration, the screening, and concentrate on the storehouse with the corn, then carry the transport vechicle with grain through the conveyer belt on, also can use the manual work to reap, lay the straw of crops such as rice, wheat in the field, then the threshing is picked up to reuse cereal harvesting machine, in cereal harvesting process, need carry out the edulcoration screening to the cereal of reaping, in order to ensure the quality of cereal, current harvester uses the filter screen of vibrations to carry out the edulcoration screening to cereal usually, edulcoration screening efficiency is lower, the effect is unsatisfactory, thereby influence the quality that cereal reaped.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems of the prior art that the lower effect of the impurity removal screening efficiency is unsatisfactory and the grain harvesting quality is affected, and providing a grain impurity removal screening device for a harvester.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a seed impurity removal and screening device for a harvester comprises a base, wherein a first box body is fixedly connected onto the base, a motor and an air pump are fixedly connected onto the top of the first box body, a first rotating shaft is fixedly connected onto the output end of the motor, a first helical gear, a first crank and a second crank are fixedly connected onto the first rotating shaft, a second rotating shaft is rotatably connected onto the inner wall of the first box body, a second helical gear and a rotating blade are fixedly connected onto the second rotating shaft, the second helical gear is meshed with the first helical gear, a first partition plate and a second partition plate are fixedly connected onto the inner wall of the first box body, a first guide plate and an air blower are arranged on the first partition plate, the first guide plate and the air blower are symmetrically designed, a first filter screen is arranged between the two first guide plates, and a second box body is fixedly connected onto the second partition plate, the first connecting rod is connected between the second box body and the first crank in a rotating mode, a third box body is fixedly connected to the inner wall of the bottom of the first box body, and a second connecting rod is connected between the third box body and the second crank in a rotating mode.

Preferably, the inner wall of the bottom of the second box body is provided with a mounting plate, the mounting plate is provided with a bottom plate, the bottom plate is fixedly connected with a second filter screen, the inner wall of the second box body is provided with a second material guide plate, a first telescopic column is fixedly connected between the second box body and the inner wall of the first box body, and a first spring is sleeved on the first telescopic column.

Preferably, a third filter screen and a third material guide plate are fixedly connected to the inner wall of the third box body, a second telescopic column is fixedly connected between the third box body and the inner wall of the first box body, and a second spring is sleeved on the second telescopic column.

Preferably, an air suction opening is formed in the inner wall of the top of the first box body, a first hollow pipe is connected between the air pump and the air suction opening, a dust collection box is further arranged on the side wall of the first box body, and a second hollow pipe is connected between the air pump and the dust collection box.

Preferably, the top of the first box body is provided with a feed inlet, the side wall of the third box body is provided with a first discharge outlet and a second discharge outlet, the first discharge outlet is internally provided with a first rotary switch, and the second discharge outlet is internally provided with a second rotary switch.

Preferably, the first material guide plate is provided with through holes.

Preferably, the bottom of the base is provided with a support leg.

Compared with the prior art, the utility model provides a seed grain edulcoration sieving mechanism for harvester possesses following beneficial effect:

the grain impurity removing and screening device for the harvester is characterized in that when the grain impurity removing and screening device is used, grains needing impurity removing and screening are fed into a first box body through a feed inlet, an air blower is started, an air pump and a motor are started, the air blower blows dust in the grains, the air pump extracts the dust and feeds the dust into a dust collecting box, so that the dust removing purpose is realized, the motor drives a first helical gear through a first rotating shaft, a first crank and a second crank rotate, the first helical gear drives a second rotating shaft to rotate through a second helical gear, so that a rotating blade is driven to stir the grains, the dust removing effect is improved, the grains after dust removing enter a second box body after being filtered by a first filter screen for secondary filtration, so that the grains after being shrivelled fall onto a bottom plate through the second filter screen, the grains with full grains fall into a third box body, so that the grain filtering effect is improved, meanwhile, the first crank drives, improve cereal filtration efficiency, the cereal that falls into in the third box is discharged from first discharge gate and second discharge gate respectively after the third filter screen is selected separately, realizes cereal screening purpose, and the second crank drives third box round trip movement through the second connecting rod simultaneously to improve cereal sorting efficiency.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses simple structure, the simple operation realizes the dust removal purpose through setting up air-blower and suction opening, through setting up rotating vane, improves dust removal effect, through setting up first filter screen, realizes the edulcoration purpose, through setting up the second box, improves edulcoration effect and efficiency, through setting up the third box, improves screening efficiency, and the practicality improves greatly.

Drawings

Fig. 1 is a schematic structural view of a seed impurity removing and screening device for a harvester according to the present invention;

fig. 2 is the utility model provides a structural schematic diagram of seed grain edulcoration sieving mechanism second box for harvester.

In the figure: 1. a base; 101. a support leg; 2. a first case; 201. a first separator; 202. a second separator; 203. a first material guide plate; 204. a through hole; 205. a first discharge port; 206. a first rotary switch; 207. a second discharge port; 208. a second rotary switch; 209. a first filter screen; 210. a blower; 211. a feed inlet; 3. a motor; 301. a first rotating shaft; 302. a first helical gear; 303. a second helical gear; 304. a second rotating shaft; 305. a rotating blade; 306. a first crank; 307. a first connecting rod; 308. a second crank; 309. a second connecting rod; 4. a second case; 401. a first telescopic column; 402. a first spring; 403. mounting a plate; 404. a second material guide plate; 405. a base plate; 406. a second filter screen; 5. a third box body; 501. a second telescopic column; 502. a second spring; 503. a third filter screen; 504. a third material guide plate; 6. an air pump; 601. a first hollow tube; 602. an air suction opening; 603. a second hollow tube; 604. a dust collection box.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a seed impurity removing and screening device for a harvester comprises a base 1, a first box 2 is fixedly connected to the base 1, a motor 3 and an air pump 6 are fixedly connected to the top of the first box 2, a first rotating shaft 301 is fixedly connected to the output end of the motor 3, a first bevel gear 302, a first crank 306 and a second crank 308 are fixedly connected to the first rotating shaft 301, a second rotating shaft 304 is rotatably connected to the inner wall of the first box 2, a second bevel gear 303 and a rotating blade 305 are fixedly connected to the second rotating shaft 304, the second bevel gear 303 is meshed with the first bevel gear 302, a first baffle 201 and a second baffle 202 are fixedly connected to the inner wall of the first box 2, a first material guide plate 203 and an air blower 210 are arranged on the first baffle 201, the first material guide plate 203 and the air blower 210 are symmetrically designed, a first filter screen 209 is arranged between the two first material guide plates 203, and a second box 4 is fixedly connected to the second baffle 202, a first connecting rod 307 is rotatably connected between the second box 4 and the first crank 306, a third box 5 is fixedly connected to the inner wall of the bottom of the first box 2, and a second connecting rod 309 is rotatably connected between the third box 5 and the second crank 308.

The inner wall of the bottom of the second box body 4 is provided with a mounting plate 403, the mounting plate 403 is provided with a bottom plate 405, the bottom plate 405 is fixedly connected with a second filter screen 406, the inner wall of the second box body 4 is provided with a second material guide plate 404, a first telescopic column 401 is fixedly connected between the inner wall of the second box body 4 and the inner wall of the first box body 2, and the first telescopic column 401 is sleeved with a first spring 402.

A third filter screen 504 and a third material guide plate 503 are fixedly connected to the inner wall of the third box 5, a second telescopic column 501 is fixedly connected between the third box 5 and the inner wall of the first box 2, and a second spring 502 is sleeved on the second telescopic column 501.

An air suction opening 602 is formed in the inner wall of the top of the first box body 2, a first hollow pipe 601 is connected between the air pump 6 and the air suction opening 602, a dust collection box 604 is further formed in the side wall of the first box body 2, and a second hollow pipe 603 is connected between the air pump 6 and the dust collection box 604.

The top of the first box body 2 is provided with a feeding hole 211, the side wall of the third box body 5 is provided with a first discharging hole 205 and a second discharging hole 207, a first rotary switch 206 is arranged in the first discharging hole 205, and a second rotary switch 208 is arranged in the second discharging hole 207.

The first material guide plate 203 is provided with through holes 204.

The bottom of the base 1 is provided with a support leg 101.

In the utility model, when in use, the grain to be cleaned and screened is fed into the first box 2 through the feed inlet 211, the air blower 210, the air pump 6 and the motor 3 are started, the air blower 210 blows the dust in the grain, the air pump 6 draws the dust out and feeds the dust into the dust collection box 604, thereby realizing the purpose of dust collection, the motor 3 drives the first bevel gear 302, the first crank 306 and the second crank 308 to rotate through the first rotating shaft 301, the first bevel gear 302 drives the second rotating shaft 304 to rotate through the second bevel gear 303, thereby driving the rotating blade 305 to stir the grain, the dust collection effect is improved, the grain after dust collection enters the second box 4 to be filtered through the first filter screen 209 to be filtered for the second time, thereby the shrivelled grain falls onto the bottom plate 405 through the second filter screen 406, the full grain falls into the third box 5, thereby the grain filtration effect is improved, meanwhile, the first crank 306 drives the second box 4 to move back and forth through the first connecting rod 307, improve cereal filtration efficiency, the cereal that falls into in the third box 5 is selected separately the back through third filter screen 503, discharges from first discharge gate 205 and second discharge gate 207 respectively, realizes cereal screening purpose, and second crank 308 drives third box 5 round trip movement through second connecting rod 309 simultaneously to improve cereal sorting efficiency.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A grain impurity removal screening device for a harvester comprises a base (1) and is characterized in that a first box body (2) is fixedly connected onto the base (1), a motor (3) and an air pump (6) are fixedly connected onto the top of the first box body (2), a first rotating shaft (301) is fixedly connected onto the output end of the motor (3), a first helical gear (302), a first crank (306) and a second crank (308) are fixedly connected onto the first rotating shaft (301), a second rotating shaft (304) is rotatably connected onto the inner wall of the first box body (2), a second helical gear (303) and a rotating blade (305) are fixedly connected onto the second rotating shaft (304), the second helical gear (303) is meshed with the first helical gear (302), a first partition plate (201) and a second partition plate (202) are fixedly connected onto the inner wall of the first box body (2), a first guide plate (203) and an air blower (210) are arranged on the first partition plate (201), first stock guide (203) and air-blower (210) are two of symmetric design, two be equipped with first filter screen (209) between first stock guide (203), fixedly connected with second box (4) on second baffle (202), it is connected with head rod (307) to rotate between second box (4) and first crank (306), first box (2) bottom inner wall fixedly connected with third box (5), it is connected with second connecting rod (309) to rotate between third box (5) and second crank (308).

2. The grain impurity removing and screening device for the harvester according to claim 1, wherein a mounting plate (403) is arranged on the inner wall of the bottom of the second box body (4), a bottom plate (405) is arranged on the mounting plate (403), a second filter screen (406) is fixedly connected to the bottom plate (405), a second material guide plate (404) is arranged on the inner wall of the second box body (4), a first telescopic column (401) is fixedly connected between the inner wall of the second box body (4) and the inner wall of the first box body (2), and a first spring (402) is sleeved on the first telescopic column (401).

3. The grain impurity removing and screening device for the harvester according to claim 1, wherein a third filter screen (504) and a third material guide plate (503) are fixedly connected to the inner wall of the third box body (5), a second telescopic column (501) is fixedly connected between the inner wall of the third box body (5) and the inner wall of the first box body (2), and a second spring (502) is sleeved on the second telescopic column (501).

4. The grain impurity removing and screening device for the harvester according to claim 1, wherein an air suction opening (602) is formed in the inner wall of the top of the first box body (2), a first hollow pipe (601) is connected between the air pump (6) and the air suction opening (602), a dust collection box (604) is further arranged on the side wall of the first box body (2), and a second hollow pipe (603) is connected between the air pump (6) and the dust collection box (604).

5. The grain impurity removing and screening device for the harvester according to claim 1, wherein a feed inlet (211) is formed in the top of the first box body (2), a first discharge outlet (205) and a second discharge outlet (207) are formed in the side wall of the third box body (5), a first rotary switch (206) is arranged in the first discharge outlet (205), and a second rotary switch (208) is arranged in the second discharge outlet (207).

6. The grain impurity removing and screening device for the harvester according to claim 1, wherein the first material guide plate (203) is provided with through holes (204).

7. The grain impurity removing and screening device for the harvester according to claim 1, wherein a support leg (101) is arranged at the bottom of the base (1).