CN213032745U

CN213032745U - Sieving mechanism is used in wheat breeding

Info

Publication number: CN213032745U
Application number: CN202021895544.6U
Authority: CN
Inventors: 马向利; 李自玲; 张存利; 陈玉忠; 段国占; 张珍; 张丽丽
Original assignee: Xuchang Institute Of Agricultural Sciences
Current assignee: Xuchang Institute Of Agricultural Sciences
Priority date: 2020-09-03
Filing date: 2020-09-03
Publication date: 2021-04-23
Anticipated expiration: 2030-09-03

Abstract

The utility model discloses a sieving mechanism is used in wheat breeding, include: a housing; the top of the shell is provided with a feed inlet, and the feed inlet is surrounded by an iron remover; a fan is arranged on one side above the inside of the shell, a side ventilation window corresponding to the fan is arranged on the side surface of the shell, and a strip-shaped air vent is formed in the ventilation window; a motor is arranged in the shell and connected with the inner wall of the shell; an output shaft of the motor is connected with a crankshaft, the crankshaft is connected with a first connecting rod, the other end of the first connecting rod is connected with a coarse screen, two ends of one side, away from the first connecting rod, of the coarse screen are respectively provided with a buffer mechanism, and the coarse screen is connected with the inner wall of the shell through the buffer mechanisms; through multiple screening, get rid of wheat straw, garrulous iron fillings, the labour is saved to full autofilter, and the screening efficiency is high, and the seed screening is effectual, convenient to use.

Description

Sieving mechanism is used in wheat breeding

Technical Field

The utility model belongs to the screening installation field especially relates to a sieving mechanism is used in wheat breeding.

Background

Wheat is widely eaten as an important grain crop all over the world; china becomes a big food country and cannot leave the hard work of agricultural workers; the breeding of wheat needs to be carried out by multiple screening, rotten seeds, bad seeds or seeds which are difficult to grow into seedlings due to poor development are removed, only the fully developed seeds can be successfully planted, and the breeding of wheat is a complex and hard work.

At present, in the process of screening wheat seeds, vast farmers generally use simple and crude agricultural tools for screening, such as dustpans, screening sieve and the like, or adopt simple mechanical drive for screening seeds, the operation intensity is high, the screening efficiency is extremely low, the seed screening effect is poor, and some large wheat husks, wheat straws or iron scraps are difficult to screen; a comprehensive and efficient automatic seed drying tool is lacked.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model aims to provide a sieving mechanism is used in wheat breeding through multiple screening, gets rid of wheat stalk, garrulous iron bits, and full autofilter saves the labour, and the screening efficiency is high, and the seed screening is effectual, convenient to use.

The utility model provides a following technical scheme:

a screening apparatus for wheat breeding, comprising: a housing; the top of the shell is provided with a feed inlet, and the feed inlet is surrounded by an iron remover; a fan is arranged on one side above the inside of the shell, a side ventilation window corresponding to the fan is arranged on the side surface of the shell, and a strip-shaped air vent is formed in the ventilation window; a motor is arranged in the shell and connected with the inner wall of the shell; the output shaft of motor is connected with the bent axle, the bent axle is connected with first connecting rod, the other end of first connecting rod is connected with the coarse screen cloth, the coarse screen cloth is kept away from one side both ends of first connecting rod and all is equipped with buffer gear, and the coarse screen cloth passes through buffer gear and is connected with shells inner wall.

Preferably, the crankshaft is further connected with a second connecting rod, the other end of the second connecting rod is connected with a fine screen, two ends of one side, far away from the second connecting rod, of the fine screen are respectively provided with a buffer mechanism, and the fine screen is connected with the inner wall of the shell through the buffer mechanisms; coarse screen cloth and fine screen cloth all incline to set up, and the one end that coarse screen cloth is low is equipped with first collection storehouse, and first collection storehouse and casing intercommunication, first collection storehouse are equipped with the stock guide of slope, and coarse screen cloth extends to the stock guide top.

Preferably, a second collecting bin is arranged at the lower end of the fine screen, the second collecting bin is communicated with the shell, an inclined material guide plate is arranged on the second collecting bin, and the fine screen extends to the position above the material guide plate.

Preferably, the buffer mechanism comprises a first buffer box and a second buffer box, a connecting rod penetrates through the inside of the first buffer box, and the connecting rod is connected with the first buffer box in a sliding manner; one end of the connecting rod is connected with the coarse screen, and the other end of the connecting rod is connected with the inner wall of the shell.

Preferably, a sleeve is arranged on the connecting rod, two ends of the sleeve are both connected with a first spring, and the other end of the first spring is connected with the inner wall of the end part of the first buffer box; the sleeve is vertically connected with a guide rod; the side wall of the first buffer box is provided with a through hole.

Preferably, the guide rod is arranged inside the through hole and is in sliding connection with the through hole; the other end of the guide rod extends to the inside of the second buffer box.

Preferably, the guide rod is sleeved with a second spring, one end of the second spring is connected with the guide rod, and the other end of the second spring is connected with the inner wall of the second buffer box; the second buffer box is connected with a fixed rod and is connected with the shell through the fixed rod.

Preferably, the iron remover is strong magnet.

Preferably, a discharge hole is formed in the position, close to the bottom, of the shell.

Preferably, when the seeds are screened and the seeds to be screened fall from the charging hole, the iron scraps in the seeds are removed through the iron remover, and when the seeds fall through the arranged fan and the ventilation window, air is blown to blow dust and wheat bran out of the shell; after the seeds fall on the coarse screen, the crankshaft and the first connecting rod are driven by the motor to shake, the seeds continuously fall from the coarse screen, and the coarse screen filters some large wheat straws or large-particle impurities; after the seeds fall on the fine screen, the fine screen is driven by the crankshaft and the second connecting rod, the seeds with full particle sizes enter the second collecting bin, the fine filter screen filters fine particles and the seeds with non-full particle sizes, and the fine particles and the seeds with non-full particle sizes are taken out from the discharge hole.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the utility model relates to a sieving mechanism is used in wheat breeding gets rid of the garrulous iron bits in with the seed through de-ironing separator, through fan and the transom that sets up, when the seed whereabouts, bloies, with dust and wheat skin in the seed blow out the casing outside, the seed screening is effectual.

(2) The utility model relates to a screening device for wheat breeding, when a motor drives a coarse screen and a fine screen to shake, through the arranged buffer mechanism, the vibration is buffered, the shaking amplitude is prevented from being too large, the part of the device is not flexible, and the normal use is influenced; through connecting rod and the horizontal effort of first spring buffering, turn into vertical effort with horizontal effort through sleeve pipe and guide arm, carry out the secondary buffering through the second spring, buffering effect is better, prevents that the device from damaging increase of service life.

(3) The utility model relates to a sieving mechanism is used in wheat breeding filters large granule impurity such as wheat straw through the coarse screen cloth, gets rid of the tiny particle impurity and develops not full seed through the fine mesh, and the labour is saved to the autofilter, and the screening efficiency is high.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a side view of the present invention.

Fig. 3 is a schematic view of the buffering mechanism of the present invention.

Fig. 4 is a schematic view of a crankshaft of the present invention.

In the figure: 1. a housing; 2. a buffer mechanism; 3. a fan; 4. a ventilation window; 5. a motor; 6. coarse screening; 7. a fine screen; 8. a first link; 9. a second link; 10. a first collection bin; 11. a second collection bin; 12. a feed inlet; 13. a de-ironing separator; 14. a vent; 15. a crankshaft; 16. a material guide plate; 17. a discharge port; 201. a first buffer box; 202. a second buffer box; 203. a connecting rod; 204. a first spring; 205. a sleeve; 206. a guide bar; 207. a second spring; 208. and (5) fixing the rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention will be combined to clearly and completely describe the technical solutions of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. 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.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

Example one

As shown in fig. 1, 2 and 4, a screening apparatus for wheat breeding includes: a housing 1; a feed inlet 12 is formed in the top of the shell 1, and an iron remover 13 is arranged around the feed inlet 12; a fan 3 is arranged on one side above the inside of the shell 1, a side ventilation window 4 corresponding to the fan 3 is arranged on the side surface of the shell, and a strip-shaped ventilation port 14 is formed in the ventilation window 4; a motor 5 is arranged inside the shell 1, and the motor 5 is connected with the inner wall of the shell 1; the output shaft of motor 5 is connected with bent axle 15, bent axle 15 is connected with first connecting rod 8, the other end of first connecting rod 8 is connected with coarse screen cloth 6, coarse screen cloth 6 keeps away from one side both ends of first connecting rod 8 and all is equipped with buffer gear 2, and coarse screen cloth 6 passes through

buffer gear

2 and 1 inner wall connection of casing.

The crankshaft 15 is further connected with a second connecting rod 9, the other end of the second connecting rod 9 is connected with a fine screen 7, two ends of one side, far away from the second connecting rod 9, of the fine screen 7 are respectively provided with a buffer mechanism 2, and the fine screen 7 is connected with the inner wall of the shell 1 through the buffer mechanisms 2; the coarse screening net 6 and the fine screening net 7 are arranged obliquely, a first collecting bin 10 is arranged at the lower end of the coarse screening net 6, the first collecting bin 10 is communicated with the shell 1, an oblique material guide plate 16 is arranged on the first collecting bin 10, and the coarse screening net 6 extends to the position above the material guide plate 16.

A second collecting bin 11 is arranged at the lower end of the fine screen 7, the second collecting bin 11 is communicated with the shell 1, an inclined material guide plate 16 is arranged on the second collecting bin 11, and the fine screen 7 extends to the position above the material guide plate 16; the iron remover 13 is strong magnet; a discharge hole 17 is formed at the position of the shell 1 close to the bottom.

Example two

As shown in fig. 3, the buffer mechanism 2 includes a first buffer box 201 and a second buffer box 202, a connecting rod 203 is disposed inside the first buffer box 201 in a penetrating manner, and the connecting rod 203 is slidably connected to the first buffer box 201; one end of the connecting rod 203 is connected with the coarse screen 6, and the other end is connected with the inner wall of the shell 1; a sleeve 205 is arranged on the connecting rod 203, two ends of the sleeve 205 are connected with a first spring 204, and the other end of the first spring 204 is connected with the inner wall of the end part of the first buffer box 201; a guide rod 206 is vertically connected to the sleeve 205; the side wall of the first buffer box 201 is provided with a through hole.

The guide rod 206 is arranged inside the through hole and is in sliding connection with the through hole; the other end of the guide rod 206 extends to the inside of the second buffer box 202; a second spring 207 is sleeved on the guide rod 206, one end of the second spring 207 is connected with the guide rod 206, and the other end of the second spring 207 is connected with the inner wall of the second buffer box 202; the second buffer box 202 is connected to a fixing rod 208, and is connected to the housing 1 through the fixing rod 208.

The device obtained by the technical scheme is a screening device for wheat breeding, when seeds are screened and fall from a charging hole, iron scraps in the seeds are removed through an iron remover 13, and when the seeds fall through a fan 3 and a ventilation window 4, air is blown to blow dust and wheat bran out of a shell 1; after the seeds fall on the coarse screen 6, the motor 5 drives the crankshaft 15 and the first connecting rod 8 to shake, the seeds continuously fall from the coarse screen 6, and the coarse screen 6 filters some large wheat straws or large-particle impurities; after the seeds fall on the fine screen 7, the fine screen 7 is driven by a crankshaft 15 and a second connecting rod 9, the seeds with full particle size enter a second collecting bin 11, the fine screen filters fine particles and the seeds with non-full particle size, and the fine particles and the seeds with non-full particle size are taken out from a discharge hole 17; the iron remover 13 is used for removing iron scraps in the seeds, and the blower 3 and the ventilation window 4 are arranged to blow air when the seeds fall down so as to blow dust and wheat bran in the seeds out of the shell 1, so that the seed screening effect is good; when the motor 5 drives the coarse screen 6 and the fine screen 7 to shake, the vibration is buffered through the arranged buffer mechanism 2, so that the situation that the shaking amplitude is too large, parts of the device are loosened, and the normal use is influenced is prevented; the transverse acting force is buffered through the connecting rod 203 and the first spring 204, the transverse acting force is converted into a longitudinal acting force through the sleeve 205 and the guide rod 206, secondary buffering is performed through the second spring 207, the buffering effect is better, the device is prevented from being damaged, and the service life is prolonged; large-particle impurities such as wheat straws are filtered through the coarse screen 6, small-particle impurities and underdeveloped seeds are removed through the fine screen 7, the automatic screening is realized, the labor force is saved, and the screening efficiency is high.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art; any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A screening apparatus for wheat breeding, comprising: a housing (1); the device is characterized in that a feed inlet (12) is formed in the top of the shell (1), and an iron remover (13) is arranged around the feed inlet (12); a fan (3) is arranged on one side above the inside of the shell (1), a side ventilation window (4) corresponding to the fan (3) is arranged on the side surface of the ventilation window (4), and a strip-shaped ventilation opening (14) is formed in the ventilation window (4); a motor (5) is arranged in the shell (1), and the motor (5) is connected with the inner wall of the shell (1); the output shaft of motor (5) is connected with bent axle (15), bent axle (15) are connected with first connecting rod (8), the other end of first connecting rod (8) is connected with coarse screen cloth (6), one side both ends that first connecting rod (8) were kept away from in coarse screen cloth (6) all are equipped with buffer gear (2), and coarse screen cloth (6) pass through buffer gear (2) and casing (1) inner wall connection.

2. The screening device for wheat breeding according to claim 1, wherein the crankshaft (15) is further connected with a second connecting rod (9), the other end of the second connecting rod (9) is connected with a fine screen (7), two ends of one side, far away from the second connecting rod (9), of the fine screen (7) are respectively provided with a buffer mechanism (2), and the fine screen (7) is connected with the inner wall of the shell (1) through the buffer mechanisms (2); coarse screen cloth (6) and fine screen cloth (7) all incline to set up, and the one end that coarse screen cloth (6) are low is equipped with first collection storehouse (10), and first collection storehouse (10) and casing (1) intercommunication, first collection storehouse (10) are equipped with stock guide (16) of slope, and coarse screen cloth (6) extend to stock guide (16) top.

3. The screening device for wheat breeding according to claim 2, wherein a second collecting bin (11) is arranged at the lower end of the fine screen (7), the second collecting bin (11) is communicated with the shell (1), the second collecting bin (11) is provided with an inclined material guide plate (16), and the fine screen (7) extends above the material guide plate (16).

4. The screening apparatus for wheat breeding according to claim 1 or 2, wherein the buffer mechanism (2) comprises a first buffer box (201) and a second buffer box (202), a connecting rod (203) penetrates through the first buffer box (201), and the connecting rod (203) is connected with the first buffer box (201) in a sliding manner; one end of the connecting rod (203) is connected with the coarse screen (6), and the other end is connected with the inner wall of the shell (1).

5. The screening device for wheat breeding according to claim 4, wherein a sleeve (205) is arranged on the connecting rod (203), a first spring (204) is connected to each of two ends of the sleeve (205), and the other end of the first spring (204) is connected with the inner wall of the end of the first buffer box (201); a guide rod (206) is vertically connected to the sleeve (205); the side wall of the first buffer box (201) is provided with a through hole.

6. The screening apparatus for wheat breeding according to claim 5, wherein the guide rod (206) is provided inside the through hole and slidably connected to the through hole; the other end of the guide rod (206) extends to the inside of the second buffer box (202).

7. The screening apparatus for wheat breeding according to claim 6, wherein a second spring (207) is sleeved on the guide rod (206), one end of the second spring (207) is connected with the guide rod (206), and the other end is connected with the inner wall of the second buffer box (202); the second buffer box (202) is connected with a fixing rod (208) and is connected with the shell (1) through the fixing rod (208).