CN219187723U

CN219187723U - Separation and screening device for full and flat seeds of tartary buckwheat

Info

Publication number: CN219187723U
Application number: CN202121081416.2U
Authority: CN
Inventors: 尹桂芳; 王莉花; 王艳青; 卢文洁; 孙道旺
Original assignee: Biotechnology and Germplasm Resource Institute of Yunnan Academy of Agricultural Sciences
Current assignee: Biotechnology and Germplasm Resource Institute of Yunnan Academy of Agricultural Sciences
Priority date: 2021-05-20
Filing date: 2021-05-20
Publication date: 2023-06-16
Anticipated expiration: 2031-05-20

Abstract

The utility model discloses a separation and screening device for a sweet buckwheat full seed, which comprises a centrifugal separation device, a receiving device and a collecting barrel, wherein the centrifugal separation device comprises a centrifugal barrel and a motor which are vertically arranged, and the barrel wall of the centrifugal barrel is sequentially communicated with a full seed discharging pipe and a full seed discharging pipe from top to bottom; the full seed discharging pipes and the shrunken seed discharging pipes are staggered and are bent at 90 degrees, and the outlet direction of the full seed discharging pipes and the shrunken seed discharging pipes is vertically downward; a material receiving device is arranged right below the full seed discharging pipe and the shrunken seed discharging pipe; the material receiving device comprises a material receiving ring; the material receiving ring is obliquely arranged to one side, the lowest point is communicated with a discharge chute through a discharge hole, and a plurality of vibrators are mounted at the bottoms of the material receiving ring and the discharge chute. The utility model has simple structure, can efficiently screen and separate the shrunken seeds of the tartary buckwheat, and has good screening effect and high working efficiency.

Description

Separation and screening device for full and flat seeds of tartary buckwheat

Technical Field

The utility model relates to the technical field of crop cultivation seed selection equipment, in particular to a separation and screening device for a buckwheat shrunken seed.

Background

When crops are cultivated, the collected seeds need to be screened, and the seeds which are immature in development are removed. For most crops, immature seeds are lighter in weight, flat in surface, and smaller in size than mature seeds, and are easily discernable to the naked eye. Therefore, most crop seed screening devices can effectively screen out the shrunken seeds by adopting a screen according to the characteristic that the shrunken seeds are different in size.

However, the size of the seeds of Fagopyrum tataricum is not greatly different from that of the immature seeds, but only different in weight. Traditional screen-type seed sieving mechanism can not be used for screening sweet buckwheat. Therefore, there is a need to design a separation and screening device capable of efficiently separating the seeds of the tartary buckwheat.

Disclosure of Invention

Aiming at the technical problems, the utility model provides the separation and screening device for the shrunken seeds of the tartary buckwheat, which can efficiently separate the shrunken seeds of the tartary buckwheat.

The technical scheme provided by the utility model is as follows:

the utility model provides a full flat seed separation sieving mechanism of tartary buckwheat, includes centrifugal separation device, receiving device and feed cylinder, centrifugal separation device includes a centrifugal cylinder and the motor of vertical setting, and the output of motor is connected with the pivot, and the one end of connecting axle is connected with the bottom of centrifugal cylinder; the cylinder wall of the centrifugal cylinder is sequentially communicated with a full seed discharging pipe and a shrunken seed discharging pipe from top to bottom; the full seed discharging pipes and the shrunken seed discharging pipes are staggered and are bent at 90 degrees, and the outlet direction of the full seed discharging pipes and the shrunken seed discharging pipes is vertically downward; a material receiving device is arranged right below the full seed discharging pipe and the shrunken seed discharging pipe; the material receiving device comprises a material receiving ring; the material receiving ring is obliquely arranged to one side, the lowest point is communicated with a discharge chute through a discharge hole, and the inclination angles of the discharge chute and the material receiving ring are consistent; the material collecting barrel is arranged right below one end of the discharge chute; a plurality of vibrators are arranged at the bottoms of the material receiving ring and the material discharging groove.

Further, the inner wall of the centrifugal cylinder is provided with a helical blade below the shrunken seed discharging pipe.

Further, a cylinder cover is detachably arranged at the top end of the centrifugal cylinder, and a feed inlet is formed in the center of the cylinder cover.

Further, the device also comprises a counting device; the counting device comprises a control box and an annular channel fixedly connected to the side surface of the control box; a photoelectric sensor is arranged on the inner wall of the annular channel; the annular channel is positioned right below the outlet of the discharge chute.

Further, a counting display is arranged on the surface of the control box.

Further, the device also comprises a impurity removing device and a conveyor belt device; the impurity removing device comprises a tank body, a feeding funnel is communicated with the top of the tank body, and a control valve is arranged below the feeding funnel; the side wall of the upper part of the tank body is provided with a plurality of air inlets, and a fan is arranged at the outer side of each air inlet; a light impurity discharge pipe is communicated with one side of the tank body opposite to the air inlet, and a filter screen is obliquely arranged in the inner cavity of the tank body; the side wall of the tank body is communicated with a discharging pipe; the lower edge of the discharging pipe is flush with the lower end of the filter screen; the outlet of the discharging pipe extends to the upper surface of one end of the conveyor belt device; the other end of the conveyor belt device is positioned right above the axis of the centrifugal cylinder.

Further, spring mounting plates are fixedly connected to the inner walls of the two sides of the tank body, springs are mounted on the upper end faces of the spring mounting plates, filter screen connecting plates are mounted at the upper ends of the springs, and two ends of each filter screen are fixedly connected with the filter screen connecting plates respectively.

Further, an inclined plate is obliquely arranged below the filter screen; the inclination direction of the inclined plate is opposite to the inclination direction of the filter screen, and a heavy impurity discharge pipe is communicated with the side wall of the tank body; the lower edge of the heavy impurity discharging pipe is flush with the relatively lower end of the inclined plate.

Furthermore, the top of the tank body is conical, and a plurality of flow dividing plates are fixedly connected to the inner wall of the tank body.

The utility model has the following beneficial effects:

according to the utility model, the different weight of the shrunken seeds and the different centrifugal force are utilized, the shrunken seeds move to a higher position in the rotation process of the centrifugal cylinder and fall onto the material receiving ring above through the shrunken seed discharging pipe, and the shrunken seeds move to a relatively lower position and fall onto the material receiving ring below through the shrunken seed discharging pipe. Due to the fact that the material receiving ring is obliquely arranged to one side, seeds can slide out through the discharge chute under the vibration effect of the vibrator and finally fall into the material collecting barrel to be collected. The utility model has simple structure, can efficiently screen and separate the shrunken seeds of the tartary buckwheat, and has good screening effect and high working efficiency.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment;

FIG. 2 is a schematic diagram of a counting device;

fig. 3 is an enlarged schematic view of a partial structure at a in fig. 1.

In the figure: 1. a centrifugal separation device; 101. a centrifugal barrel; 102. a motor; 103. a rotating shaft; 104. a full seed discharging pipe; 105. a shrunken seed discharging pipe; 106. a helical blade; 107. a cylinder cover; 108. a feed inlet; 2. a impurity removing device; 201. a tank body; 202. a feed hopper; 203. a blower; 204. an air inlet; 205. a light impurity discharge pipe; 206. a filter screen; 207. a discharge pipe; 208. an inclined plate; 209. a heavy impurity discharge pipe; 210. a control valve; 211. a diverter plate; 212. a spring mounting plate; 213. a spring; 214. a filter screen connecting plate; 3. a conveyor belt device; 4. a receiving device; 401. a receiving ring; 402. a discharge port; 403. a discharge chute; 408. a vibrator; 5. a counting device; 501. an annular channel; 502. a photoelectric sensor; 503. a control box; 504. a count display; 6. and a material collecting barrel.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

1-3, the device comprises a centrifugal separation device 1, a receiving device 4 and a material collecting barrel 6, wherein the centrifugal separation device 1 comprises a centrifugal barrel 101 and a motor 102 which are vertically arranged, the output end of the motor 102 is connected with a rotating shaft 103, and one end of the connecting shaft 103 is connected with the bottom of the centrifugal barrel 101; the cylinder wall of the centrifugal cylinder 101 is sequentially communicated with a full seed discharging pipe 104 and a shrunken seed discharging pipe 105 from top to bottom; the full seed discharging pipes 104 and the shrunken seed discharging pipes 105 are staggered and are bent at 90 degrees, and the outlet direction of the full seed discharging pipes is vertically downward; the material receiving device 4 is arranged right below the full seed discharging pipe 104 and the shrunken seed discharging pipe 105; the receiving device 4 comprises a receiving ring 401; the material receiving ring 401 is obliquely arranged to one side, the lowest point is communicated with a material discharging groove 403 through a material discharging hole 402, and the material discharging groove 403 is consistent with the inclination angle of the material receiving ring 401; the material collecting barrel 6 is arranged right below one end of the discharge chute 403; a plurality of vibrators 408 are arranged at the bottoms of the receiving ring 401 and the discharge chute 403.

The above-mentioned full flat seed separation sieving mechanism of sweet buckwheat utilizes full flat seed weight difference, and the centrifugal force that receives is different, and centrifugal barrel 101 rotates the in-process, and full seed motion is higher to fall into the material receiving ring 401 of top through full seed discharging pipe 104, and the dry flat seed motion is lower relatively to the position, and falls into the material receiving ring 401 of below through dry flat seed discharging pipe 105. Due to the inclined arrangement of the receiving ring 401 to one side, under the vibration action of the vibrator 408, seeds can slide out through the discharge chute 403 and finally fall into the collecting cylinder 6 for collection.

Specifically, in order to increase the centrifugal separation efficiency, the inner wall of the centrifuge bowl 2 is provided with helical blades 106 below the collapsed seed discharging pipe 105.

Specifically, in order to prevent seeds from being thrown out from the top end of the centrifugal barrel 2, a barrel cover 107 is detachably mounted on the top end of the centrifugal barrel 2, and a feed inlet 108 is formed in the center of the barrel cover 107.

Specifically, for the convenience of counting seeds, the seed counting device 5 is also included; the counting device 5 comprises a control box 503 and an annular channel 501 fixedly connected to the side surface of the control box 503; a photoelectric sensor 502 is arranged on the inner wall of the annular channel 501; the annular channel 501 is located directly below the outlet of the spout 403. The seeds fall one by one, and the number of seeds is detected by the photoelectric sensor 502 and the data is transferred to the control box 503. The utility model discloses a can count full seed and flat seed respectively, convenient and fast uses manpower sparingly, and is convenient for follow-up the precision seeding to further research to seed development has certain meaning.

Specifically, to facilitate the observation of the number of seeds, a counter display 504 is provided on the surface of the control box 503.

Specifically, the collected seeds are generally doped with broken leaves, small sand and stone and other impurities, and the device also comprises a impurity removing device 2 and a conveyor belt device 3 for effectively removing the impurities doped in the seeds; the impurity removing device 2 comprises a tank 201, a feed hopper 202 is communicated with the top of the tank 201, and a control valve 210 is arranged below the feed hopper 202; a plurality of air inlets 204 are formed in the side wall of the upper part of the tank 201, and a fan 203 is arranged outside the air inlets 204; a light impurity discharge pipe 205 is communicated with one side of the tank 201 opposite to the air inlet 204, and a filter screen 206 is obliquely arranged in the inner cavity of the tank 201; a discharging pipe 207 is communicated with the side wall of the tank 201; the lower edge of the discharge pipe 207 is flush with the relatively lower end of the screen 206; the outlet of the discharging pipe 207 extends to the upper surface of one end of the conveyor belt device 3; the other end of the conveyor belt device 3 is located directly above the axis of the centrifugal cylinder 101.

Specifically, in order to facilitate heavy impurities such as sand and stone to pass through the filter screen 206 quickly, spring mounting plates 212 are fixedly connected to the inner walls of two sides of the tank 201, springs 213 are mounted on the upper end faces of the spring mounting plates 212, filter screen connecting plates 214 are mounted on the upper ends of the springs 213, and two ends of each filter screen 214 are fixedly connected with the filter screen connecting plates 214 respectively.

Specifically, in order to facilitate the discharge of the foreign substances such as sand, an inclined plate 208 is obliquely installed below the filter screen 206; the inclined direction of the inclined plate 208 is opposite to that of the filter screen 206, and a heavy impurity discharge pipe 209 is communicated with the side wall of the tank 201; the lower edge of the heavy impurity discharging pipe 209 is flush with the relatively lower end of the inclined plate 208.

Specifically, in order to make seeds fall more dispersedly and improve the impurity removal effect, the top of the tank 201 is conical, and the inner wall of the tank is fixedly connected with a plurality of splitter plates 211.

The working principle of the utility model is as follows:

during operation, the fan 203, the conveyor belt device 3, the motor 102, the vibrator 408 and the counting device 5 are started, seeds to be screened are thrown into the hopper 202, fall through the splitter plate 211 in a dispersed manner, light impurities are blown to the light impurity discharge pipe 205 by the fan 203 to be discharged, the seeds fall on the filter screen 206, the filter screen 206 vibrates up and down under the action of the gravity of the seeds and the spring 213, so that small-particle heavy impurities doped in the seeds fall on the inclined plate 208 through the filter screen 206, and then are discharged through the heavy impurity discharge pipe 209. The seeds after the impurity removal fall onto the conveyor belt device 3 through the discharging pipe 207, the conveyor belt device 3 conveys the seeds to the upper side of the centrifugal separation device 1, and the seeds enter the centrifugal barrel 101 through the feeding hole 108. The motor 102 drives the centrifugal barrel 101 to rotate. Under the action of centrifugal force, the filled seeds move to a higher position and fall onto the upper receiving ring 401 through the filled seed discharge pipe 104, while the collapsed seeds move to a relatively lower position and fall onto the lower receiving ring 401 through the collapsed seed discharge pipe 105. Due to the inclined arrangement of the receiving ring 401 to one side, under the vibration action of the vibrator 408, seeds can slide out through the discharge chute 403 and finally fall into the collecting cylinder 6 for collection. The seeds drop one by one, the photoelectric sensor 502 detects the number of the seeds, the data is transmitted to the control box 503, and the number of the seeds is displayed on the counting display 504.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a full flat seed separation sieving mechanism of buckwheat which characterized in that: the centrifugal separation device (1) comprises a centrifugal barrel (101) and a motor (102) which are vertically arranged, wherein the output end of the motor (102) is connected with a rotating shaft (103), and one end of the rotating shaft (103) is connected with the bottom of the centrifugal barrel (101); the cylinder wall of the centrifugal cylinder (101) is sequentially communicated with a full seed discharging pipe (104) and a shrunken seed discharging pipe (105) from top to bottom; the full seed discharging pipes (104) and the shrunken seed discharging pipes (105) are staggered and are bent at 90 degrees, and the outlet direction of the full seed discharging pipes is vertically downward; a material receiving device (4) is arranged under the full seed discharging pipe (104) and the shrunken seed discharging pipe (105); the receiving device (4) comprises a receiving ring (401); the material receiving ring (401) is obliquely arranged to one side, the lowest point is communicated with a discharge chute (403) through a discharge hole (402), and the inclination angle of the discharge chute (403) is consistent with that of the material receiving ring (401); the material collecting barrel (6) is arranged right below one end of the discharge chute (403); the bottoms of the receiving ring (401) and the discharging groove (403) are provided with a plurality of vibrators (408).

2. The device for separating and screening the seeds of the fagopyrum tataricum, as set forth in claim 1, wherein: the inner wall of the centrifugal barrel (101) is positioned below the shrunken seed discharging pipe (105) and provided with a helical blade (106).

3. The device for separating and screening the seeds of the fagopyrum tataricum, according to claim 2, characterized in that: a cylinder cover (107) is detachably arranged at the top end of the centrifugal cylinder (101), and a feed inlet (108) is formed in the center of the cylinder cover (107).

4. The device for separating and screening the seeds of the fagopyrum tataricum, according to claim 3, wherein: also comprises a counting device (5); the counting device (5) comprises a control box (503) and an annular channel (501) fixedly connected to the side surface of the control box (503); a photoelectric sensor (502) is arranged on the inner wall of the annular channel (501); the annular channel (501) is located directly below the outlet of the spout (403).

5. The device of claim 4, wherein: the surface of the control box (503) is provided with a counting display (504).

6. The apparatus of any one of claims 1-5, wherein: the device also comprises a impurity removing device (2) and a conveyor belt device (3); the impurity removing device (2) comprises a tank body (201), a feeding funnel (202) is communicated with the top of the tank body (201), and a control valve (210) is arranged below the feeding funnel (202); a plurality of air inlets (204) are formed in the side wall of the upper part of the tank body (201), and a fan (203) is arranged at the outer side of each air inlet (204); a light impurity discharge pipe (205) is communicated with one side of the tank body (201) opposite to the air inlet (204), and a filter screen (206) is obliquely arranged in the inner cavity of the tank body (201); a discharging pipe (207) is communicated with the side wall of the tank body (201); the lower edge of the discharging pipe (207) is flush with the lower end of the filter screen (206); the outlet of the discharging pipe (207) extends to the upper surface of one end of the conveyor belt device (3); the other end of the conveyor belt device (3) is positioned right above the axle center of the centrifugal cylinder (101).

7. The device of claim 6, wherein: the filter is characterized in that spring mounting plates (212) are fixedly connected to the inner walls of the two sides of the tank body (201), springs (213) are mounted on the upper end faces of the spring mounting plates (212), filter screen connecting plates (214) are mounted at the upper ends of the springs (213), and two ends of each filter screen (206) are fixedly connected with the filter screen connecting plates (214) respectively.

8. The device of claim 6, wherein: an inclined plate (208) is obliquely arranged below the filter screen (206); the inclination direction of the inclined plate (208) is opposite to the inclination direction of the filter screen (206), and a heavy impurity discharge pipe (209) is communicated with the side wall of the tank body (201); the lower edge of the heavy impurity discharge pipe (209) is flush with the relatively lower end of the inclined plate (208).

9. The device of claim 6, wherein: the top of the tank body (201) is conical, and a plurality of flow dividing plates (211) are fixedly connected to the inner wall of the tank body.