CN112108371A

CN112108371A - Screening and drying device for vegetable seed production

Info

Publication number: CN112108371A
Application number: CN202011023891.4A
Authority: CN
Inventors: 游元旺; 叶德清
Original assignee: Jianou Yingshanlong Agricultural Technology Co ltd
Current assignee: Jianou Yingshanlong Agricultural Technology Co ltd
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2020-12-22

Abstract

The invention relates to a screening and drying device for vegetable seed production, and particularly relates to the technical field of seed production equipment. The drying and impurity removing device comprises a box body, a partition plate, a first screen, a drying and impurity removing area, a discharging hopper, a conveying belt, a distributing mechanism, an impurity removing area and supporting legs, wherein the distributing mechanism is arranged in the discharging hopper, a dryer is further arranged at the top of the drying and impurity removing area, a material returning barrel is arranged between the partition plate and the inner wall of the other side of the box body, the impurity removing area is arranged below the first screen, a fan is arranged on the side wall of one side of the impurity removing area and driven by a fan motor, a second impurity discharging opening is formed in the side wall of the other side of the impurity removing area, and an inverted V-shaped second screen and a V-shaped third screen are sequentially arranged below. The seed drying and screening treatment is realized at one time, the time and the labor are saved, the labor intensity of workers is reduced, and twice impurity removal and grade separation of the seeds are realized in the screening process so as to meet the production requirements.

Description

Screening and drying device for vegetable seed production

Technical Field

The invention relates to the technical field of seed production equipment, in particular to a screening and drying device for vegetable seed production.

Background

Vegetable seeds are seeds used for producing vegetables, and are classified into conventional seeds and hybrid seeds. The conventional vegetable seeds are seeds grown by the vegetable itself through a natural law, and the vegetable hybrid seeds (F1 is generally hybridized into a first-generation hybrid) are pollinated by plants with different characteristics (male parent and female parent) so as to change the characteristics of the varieties.

Vegetable seeds need to be dried and screened before being planted, the conventional equipment can only be used for drying or screening a treatment mode at one time, so that the seeds after being dried are frequently required to be manually transferred into screening equipment for screening, time and labor are wasted, and the labor intensity of workers is increased. In addition, the existing screening of seeds can not realize impurity removal and grade separation at the same time, and can not meet the production requirements.

Disclosure of Invention

(1) Technical problem to be solved

The invention provides a screening and drying device for vegetable seed production, which overcomes the defects that the conventional equipment can only perform drying or screening in one treatment mode at one time, so that the dried seeds are often transferred into screening equipment to be screened manually, time and labor are wasted, the labor intensity of workers is increased, and the conventional screening of the seeds cannot simultaneously realize impurity removal and grade sorting treatment and cannot meet the production requirement.

(2) Technical scheme

In order to solve the technical problems, the invention provides a screening and drying device for vegetable seed production, which comprises a box body, a partition plate, a first screen, a drying and impurity removing area, a blanking hopper, a conveyor belt, a distribution mechanism, an impurity removing area and support legs, wherein the partition plate is vertically and downwards connected to the top of the box body, the first screen is obliquely arranged on the inner wall of one side of the box body, the lower end of the first screen is fixedly connected with the lower end of the partition plate, the drying and impurity removing area is formed between the first screen and the inner wall of the top of the box body, the blanking hopper is arranged at the top of the drying and impurity removing area, the conveyor belt is arranged above the blanking hopper, a first guide plate is obliquely arranged on one side of the partition plate below the blanking hopper, the lower end of the first guide plate extends to the upper end of the first screen, and the distribution, the top of the drying impurity removal area is also provided with a dryer, a material return cylinder is arranged between the partition board and the inner wall of the other side of the box body, a material return port communicated with the material return cylinder is formed in the partition board corresponding to one side of the upper part of the material return cylinder, a first discharge port communicated with the material return cylinder is formed in the partition board corresponding to one side of the lower end of the first screen, a first impurity discharge port extending to the outside of the box body is formed in the lower end of the material return cylinder, an unloading flashboard is arranged at the first impurity discharge port, an impurity removal area is arranged below the first screen, a fan is arranged on the side wall of one side of the impurity removal area and driven by a fan motor, a second impurity discharge port is formed in the side wall of the other side of the impurity removal area, an inverted V-shaped second screen and a V-shaped third screen are sequentially arranged below the impurity removal area from top to bottom, and second, the lowest department of third screen cloth bottom is connected with and extends to the outside third discharge gate of bottom half, the bottom half is equipped with the supporting leg.

Preferably, more than two turning wheels are arranged above the first screen and distributed along the track of the first screen.

Preferably, a spiral material returning rod is vertically installed in the material returning barrel and is driven by a material returning motor.

Preferably, the distribution mechanism comprises a rotating shaft, distribution blades and a rotating motor, the rotating shaft is installed in the discharging hopper in a rotating mode, the distribution blades are distributed on the rotating shaft in an annular and uniform mode, and the rotating shaft is driven by the rotating motor.

Preferably, a clamping groove is formed in the inner wall of one side of the material return barrel, one end of the discharging flashboard is clamped in the clamping groove, and the other end of the discharging flashboard extends to the outside of the material return barrel.

Preferably, the inner walls of two sides of the box body above the second screen are obliquely hinged with second material guide plates, the lower ends of the second material guide plates extend to the middle upper part of the second screen, and first springs are arranged between the lower ends of the second material guide plates and the second screen.

Preferably, a fixed column is fixed downwards in the middle of the bottom of the second screen, third material guide plates are hinged to two sides of the fixed column in an inclined manner, the lower ends of the two third material guide plates respectively extend to the positions above two ends of the third screen, a second spring is arranged between the lower end of each third material guide plate and the corresponding third screen, fourth material guide plates are arranged between two sides of each third material outlet and the two side walls of the box body in an inclined manner, and a third material outlet is formed in the side wall of the box body corresponding to one side of the lower end of each fourth material guide plate.

Preferably, the second screen has larger pore sizes than the third screen.

(3) Advantageous effects

The invention provides a screening and drying device for vegetable seed production, which overcomes the defects that the conventional equipment can only perform drying or screening in one treatment mode at one time, so that the dried seeds are often transferred into screening equipment to be screened manually, time and labor are wasted, the labor intensity of workers is increased, and the conventional screening of the seeds cannot simultaneously realize impurity removal and grade sorting treatment and cannot meet the production requirement. Compared with the prior art, the invention has the following beneficial effects:

1. the seed drying and screening treatment is realized at one time, so that time and labor are saved, and the labor intensity of workers is reduced.

2. Twice impurity removal and grade separation of the seeds are realized in the screening process so as to meet the production requirement.

3. The lower ends of the two second material guide plates extend to the middle upper part of the inverted V-shaped second screen, and the lower ends of the third material guide plates correspondingly extend to the upper parts of the two ends of the V-shaped third screen respectively, so that the seeds can be screened fully along the tracks of the second screen and the third screen, and the screening thoroughness is guaranteed.

4. Through setting up the stirring runner can accelerate the edulcoration speed of seed on one side, on the other hand has realized the stirring of seed, has guaranteed that the seed is dried uniformly.

5. The rotation that drives spiral loop material pole through starting the feed back motor can realize edulcoration and stoving many times with the seed, has guaranteed the edulcoration of seed and the thoroughness of stoving.

6. The uniform distribution and falling of the seeds are realized by the distribution mechanism, and the impurity removal efficiency of the seeds is improved.

Drawings

Fig. 1 is a schematic front sectional view of the present invention.

Fig. 2 is an enlarged view of a point a in fig. 1.

FIG. 3 is a schematic side sectional view of the discharge hopper of the present invention.

The reference signs are: 1-box body, 2-baffle plate, 3-first screen, 4-drying impurity removal area, 5-blanking hopper, 6-conveyor belt, 7-distribution mechanism, 71-rotating shaft, 72-distribution blade, 73-rotating motor, 8-first guide plate, 9-dryer, 10-material turning rotating wheel, 11-material returning barrel, 12-spiral material returning rod, 13-material returning motor, 14-material returning opening, 15-first discharge opening, 16-first impurity discharge opening, 17-discharge gate plate, 18-clamping groove, 19-impurity removal area, 20-fan, 21-fan motor, 22-second impurity discharge opening, 23-second guide plate, 24-first spring, 25-second screen, 26-second discharge opening, 27-fixed column, 28-a third material guide plate, 29-a second spring, 30-a third screen, 31-a third discharge hole, 32-a fourth material guide plate, 33-a fourth discharge hole and 34-supporting legs.

Detailed Description

The invention is further described with reference to the accompanying drawings and examples.

As shown in figures 1-3, the screening and drying device for vegetable seed production comprises a box body 1, a partition plate 2, a first screen 3, a drying and impurity removing area 4, a blanking hopper 5, a conveyor belt 6, a distribution mechanism 7, an impurity removing area 19 and support legs 34, wherein the partition plate 2 is vertically and downwardly connected to the top of the box body 1, the first screen 3 is obliquely and downwardly arranged on the inner wall of one side of the box body 1, the lower end of the first screen 3 is fixedly connected with the lower end of the partition plate 2, the drying and impurity removing area 4 is formed between the first screen 3 and the inner wall of the top of the box body 1, the blanking hopper 5 is arranged on the top of the drying and impurity removing area 4, the conveyor belt 6 is arranged above the blanking hopper 5, a first material guide plate 8 is obliquely arranged on one side of the partition plate 2 below the blanking hopper 5, and the lower end of the first material guide plate 8 extends to the upper end of the first, the lower hopper 5 is internally provided with the distribution mechanism 7, the top of the drying and impurity removing area 4 is also provided with a dryer 9, a material return barrel 11 is arranged between the partition plate 2 and the inner wall of the other side of the box body 1, one side of the upper part of the material return barrel 11 is correspondingly provided with a material return port 14 communicated with the material return barrel 11, one side of the lower end of the first screen 3 is correspondingly provided with a first discharge port 15 communicated with the material return barrel 11, the lower end of the material return barrel 11 is provided with a first impurity discharge port 16 extending to the outside of the box body 1, the first impurity discharge port 16 is provided with a discharge gate 17, the lower part of the first screen 3 is an impurity removing area 19, the side wall of one side of the impurity removing area 19 is provided with a fan 20, the fan 20 is driven by a fan motor 21, the side wall of the other side of the impurity removing area 19 is provided with a second impurity discharge port 22, an inverted V-shaped second screen 25 and a V-shaped third screen 30 are sequentially, all correspond on the second screen cloth 25 both sides and be equipped with second discharge gate 26, the lowest department in third screen cloth 30 bottom is connected with and extends to the outside third discharge gate 31 of box 1 bottom, box 1 bottom is equipped with supporting leg 34.

More than two material turning wheels 10 are arranged above the first screen 3 and distributed along the track of the first screen 3, spiral loop bars 12 are vertically arranged in the loop bars 11, the spiral loop bars 12 are driven by a loop motor 13, the distribution mechanism 7 comprises a rotating shaft 71, distribution blades 72 and a rotating motor 73, the rotating shaft 71 is rotatably arranged in the blanking hopper 5, the distribution blades 72 are annularly and uniformly distributed on the rotating shaft 71, the rotating shaft 71 is driven by the rotating motor 73, a clamping groove 18 is arranged on the inner wall of one side of the loop bars 11, one end of the discharging gate plate 17 is clamped in the clamping groove 18, the other end of the discharging gate plate extends to the outside of the loop bars 11, second guide plates 23 are obliquely hinged on the inner walls of two sides of the box body 1 above the second screen 25, and the lower ends of the second guide plates 23 extend to the middle upper part of the second screen 25, a first spring 24 is arranged between the lower end of the second material guide plate 23 and the second screen mesh 25, a fixed column 27 is fixed downwards in the middle of the bottom of the second screen mesh 25, third material guide plates 28 are obliquely hinged to both sides of the fixed column 27, the lower ends of the two third material guide plates 28 respectively and correspondingly extend to the positions above both ends of the third screen mesh 30, a second spring 29 is arranged between the lower end of the third material guide plate 28 and the third screen mesh 30, fourth material guide plates 32 are obliquely arranged between both sides of the third material outlet 31 and both side walls of the box body 1, a third material outlet 33 is arranged on the side wall of the box body 1 corresponding to one side of the lower end of each fourth material guide plate 32, and the aperture of the second screen mesh 25 is larger than that of the third screen mesh 30.

In the actual work, convey the seed to in hopper 5 down through conveyer belt 6, start rotating motor 73 and drive the rotation of pivot 71 and drive distribution blade 72 simultaneously and also rotate thereupon and distribute the seed uniformly and fall into down first stock guide 8 on, and enter into on the first screen cloth 3 and filter impurity such as the stone of some large particles in the seed, start drying apparatus 9 simultaneously and realized the drying process to the seed, can accelerate the edulcoration speed of seed on one side through setting up stirring runner 10, on the other hand has realized the stirring of seed, guaranteed that the seed is dried uniformly. The seeds can be subjected to impurity removal and drying for many times by starting the feed back motor 13 to drive the rotation of the spiral feed back rod 12, so that the impurity removal and drying thoroughness of the seeds are ensured. After the seed impurity removal is finished, the discharging gate plate 17 can be pulled to discharge the impurities from the first impurity discharging port 16. The seeds subjected to the first impurity removal and drying pass through the first screen 3 and fall down, meanwhile, the fan motor 21 is started to drive the fan 20 to rotate, and chips and dust contained in the falling process are blown out from the second impurity discharging port 22 to realize the second impurity removal, finally, the seeds fall onto the second material guide plate 23 and enter the second screen 25 along the second material guide plate 23, the seeds larger than the second screen 25 are discharged from the second discharging port 26, the seeds smaller than the second screen 25 enter the third screen 30 along the third material guide plate 28, the seeds larger than the third screen 30 are discharged from the third discharging port 31, and the seeds smaller than the third screen 30 are discharged from the fourth discharging port 33 along the fourth material guide plate 32, so that the grade separation of the seeds is completed. The lower ends of the two second material guide plates 23 extend to the middle upper part of the inverted V-shaped second screen mesh 25, and the lower ends of the two third material guide plates 28 correspondingly extend to the upper parts of the two ends of the V-shaped third screen mesh 30 respectively, so that the seeds can be screened fully along the tracks of the second screen mesh 25 and the third screen mesh 30, and the screening thoroughness is ensured.

The above-described embodiments only express the preferred embodiments of the present invention, and the description thereof is more specific and detailed, but the present invention is not limited to these embodiments, and it should be noted that it is obvious to those skilled in the art. Any modification falling within the scope of protection of the present invention without departing from the gist of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The screening and drying device for vegetable seed production is characterized by comprising a box body (1), a partition plate (2), a first screen (3), a drying impurity removal area (4), a discharging hopper (5), a conveyor belt (6), a distribution mechanism (7), an impurity removal area (19) and support legs (34), wherein the partition plate (2) is vertically connected with the top of the box body (1) downwards, the first screen (3) is obliquely arranged on the inner wall of one side of the box body (1) downwards, the lower end of the first screen (3) is fixedly connected with the lower end of the partition plate (2), the drying impurity removal area (4) is formed between the first screen (3) and the inner wall of the top of the box body (1), the discharging hopper (5) is arranged at the top of the drying impurity removal area (4), the conveyor belt (6) is arranged above the discharging hopper (5), a first guide plate (8) is obliquely arranged on one side of the partition plate (2) below the discharging hopper (5), the lower end of the first material guide plate (8) extends to the upper end of the first screen (3), the distributing mechanism (7) is arranged in the lower hopper (5), the top of the drying and impurity removing area (4) is also provided with a dryer (9), a material returning barrel (11) is arranged between the partition plate (2) and the inner wall of the other side of the box body (1), a material returning port (14) communicated with the material returning barrel (11) is formed in the partition plate (2) corresponding to one side of the upper portion of the material returning barrel (11), a first material discharging port (15) communicated with the material returning barrel (11) is formed in the partition plate (2) corresponding to one side of the lower end of the first screen (3), a first impurity discharging port (16) extending to the outer portion of the box body (1) is formed in the lower end of the material returning barrel (11), a discharging gate (17) is arranged at the position of the first impurity discharging port (16), the impurity removing area (19) is arranged below the first screen, be equipped with fan (20) on the lateral wall of edulcoration district (19) one side, fan (20) drive through fan motor (21), be equipped with second row miscellaneous mouthful (22) on edulcoration district (19) opposite side lateral wall, edulcoration district (19) below from the top down is equipped with type of falling V second screen cloth (25) and V type third screen cloth (30) in proper order, it is equipped with second discharge gate (26) all to correspond on second screen cloth (25) both sides, the lowest department in third screen cloth (30) bottom is connected with and extends to outside third discharge gate (31) in box (1) bottom, box (1) bottom is equipped with supporting leg (34).

2. The screening and drying device for vegetable seed production as claimed in claim 1, wherein more than two material turning wheels (10) are arranged above the first screen (3) and distributed along the track of the first screen (3).

3. The screening and drying device for vegetable seed production as claimed in claim 1, wherein a spiral material returning rod (12) is vertically installed in the material returning barrel (11), and the spiral material returning rod (12) is driven by a material returning motor (13).

4. The screening and drying device for vegetable seed production as claimed in claim 1, wherein the distribution mechanism (7) comprises a rotating shaft (71), distribution blades (72) and a rotating motor (73), the rotating shaft (71) is rotatably mounted in the discharging hopper (5), the distribution blades (72) are annularly and uniformly distributed on the rotating shaft (71), and the rotating shaft (71) is driven by the rotating motor (73).

5. The screening and drying device for vegetable seed production as claimed in claim 1, wherein a clamping groove (18) is formed in an inner wall of one side of the material recovery barrel (11), one end of the discharging gate plate (17) is clamped in the clamping groove (18), and the other end of the discharging gate plate extends to the outside of the material recovery barrel (11).

6. The screening and drying device for vegetable seed production as claimed in claim 1, wherein a second material guiding plate (23) is obliquely hinged to the inner walls of two sides of the box body (1) above the second screen mesh (25), the lower end of the second material guiding plate (23) extends to the middle and above the second screen mesh (25), and a first spring (24) is arranged between the lower end of the second material guiding plate (23) and the second screen mesh (25).

7. The screening and drying device for vegetable seed production as defined in claim 1, wherein a fixed column (27) is fixed downward in the middle of the bottom of the second screen (25), third material guiding plates (28) are hinged to both sides of the fixed column (27) in an inclined manner, the lower ends of the two third material guiding plates (28) respectively extend to the upper parts of both ends of the third screen (30), a second spring (29) is disposed between the lower end of the third material guiding plate (28) and the third screen (30), fourth material guiding plates (32) are disposed between both sides of the third material outlet (31) and both side walls of the box body (1) in an inclined manner, and a third material outlet (33) is disposed on the side wall of the box body (1) corresponding to one side of the lower end of the fourth material guiding plates (32).

8. A screening and drying apparatus for vegetable seed production as claimed in claim 1, wherein the aperture of said second screen (25) is larger than the aperture of said third screen (30).