CN211756759U

CN211756759U - Sieving mechanism is used in wheat breeding

Info

Publication number: CN211756759U
Application number: CN202020026498.XU
Authority: CN
Inventors: 梅兹君; 张国合; 张同香
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-07
Filing date: 2020-01-07
Publication date: 2020-10-27
Anticipated expiration: 2030-01-07

Abstract

The utility model discloses a sieving mechanism is used in wheat breeding, including base, shell and motor, both ends are connected with the support frame around the base, and are connected with first pivot on the support frame to the first pivot other end is connected with the shell, the shell upper end is equipped with down the feed bin, and the lower extreme of shell center pin is equipped with the discharge gate, the base left end is connected with the side lever, and is connected with the second pivot outside the side lever, the second pivot in-connection has the pneumatic cylinder, and the pneumatic cylinder other end is connected with the third pivot to both ends and pneumatic cylinder and shell interconnect are controlled in the third pivot. This sieving mechanism is used in wheat breeding is through the pneumatic cylinder shrink backward to the shell of being connected with the third pivot can be stimulateeed in cooperation first pivot and second pivot, makes the right-hand member downward sloping of shell, makes the wheat kind of poor quality arrange into the screening hopper fast, avoids the wheat kind of poor quality to pile up on the screening net and influence the screening work.

Description

Sieving mechanism is used in wheat breeding

Technical Field

The utility model relates to the technical field of agricultural machinery, specifically be a sieving mechanism is used in wheat breeding.

Background

Wheat is a common crop and is a cereal crop widely planted around the world, and wheat is one of staple food of human beings, and can be ground into flour to make bread, steamed bread, biscuits, noodles and other foods, and can be fermented to make beer, alcohol and liquor.

However, before wheat breeding and planting, impurities and shriveled seeds in wheat need to be screened out, and full-grain seeds are left, the existing screening device is complex to operate, inconvenient for farmers to use, high in cost and easy to cause accumulation and blockage, and therefore the screening device for wheat breeding is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sieving mechanism is used in wheat breeding to propose the operation complicacy among the solution above-mentioned background art, inconvenient peasant's use, and the cost is higher, still appear piling up the problem that the condition of jam takes place easily.

In order to achieve the above object, the utility model provides a following technical scheme: a screening device for wheat breeding comprises a base, a shell and a motor, wherein the front end and the rear end of the base are connected with a support frame, the upper end of the support frame is connected with a first rotating shaft, the other end of the first rotating shaft is connected with the shell, the upper end of the shell is provided with a lower storage bin, the lower end of a central shaft of the shell is provided with a discharge hole, the left end of the base is connected with a side lever, the outer side of the side lever is connected with a second rotating shaft, a hydraulic cylinder is connected in the second rotating shaft, the other end of the hydraulic cylinder is connected with a third rotating shaft, the left end and the right end of the third rotating shaft are connected with the hydraulic cylinder and the shell, the upper end of the base is respectively provided with a finished product hopper and a screening hopper from left to right, the outer side of the shell, be equipped with the fourth pivot in the feed bin down, and the fourth pivot outside is connected with guide vane, the ratch upper end is connected with the connecting plate, and the connecting plate other end is connected with fixed frame to fixed frame upper end surface is equipped with the screening net, the spout has been seted up in the outside at both ends about the shell, and is equipped with the brush in the spout of shell left end, and is equipped with out the flitch outside the spout of shell right-hand member, be equipped with the slide rail with the rear end of fixed frame in the shell.

Preferably, the outer side of the shell is symmetrically provided with a first rotating shaft, and the shell is rotatably connected with the support frame through the first rotating shaft.

Preferably, the shell lower extreme is hopper-shaped structure, and the spout length at both ends is greater than the length at both ends around the fixed frame about the shell.

Preferably, the hydraulic cylinder and the shell form a rotating structure through the second rotating shaft and the third rotating shaft.

Preferably, the guide blades are distributed on the outer side of the fourth rotating shaft at equal intervals, and the fourth rotating shaft is movably connected with the lower storage bin.

Preferably, the driving gear is in meshed connection with the toothed bar, and sliding rods at the left end and the right end of the toothed bar are in sliding connection with the shell.

Compared with the prior art, the beneficial effects of the utility model are that: the screening device for wheat breeding comprises a screening device,

1. the hydraulic cylinder contracts backwards and is matched with the first rotating shaft and the second rotating shaft, the shell connected with the third rotating shaft can be pulled, the right end of the shell is inclined downwards, inferior wheat seeds are quickly discharged into the screening hopper, and the phenomenon that the inferior wheat seeds are accumulated on the screening net to influence the screening work is avoided;

2. the length of the sliding groove is larger than that of the fixing frame, so that the fixing frame can be inserted into the two sides of the outer side of the shell, the moving range of the fixing frame is enlarged, the screening work is more efficient, and wheat seeds on the screening net can be well prevented from shaking out of the shell by matching with the hairbrush;

3. through increasing the slide rail at fixed frame front end, can assist the fixed frame of removal to keep the horizon on-line slip, avoid fixed frame to lead to the slope because of the strong point that does not have the slide rail to provide, wherein when can strengthen fixed frame and ratch joint strength between the two through the connecting plate, still do not influence the going on of screening work because of the volume and the reason that the ratch is with wide, improved the screening quality.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the internal structure of the housing of the present invention;

fig. 3 is a schematic view of the top view structure of the housing of the present invention.

In the figure: 1. a base; 2. a support frame; 3. a first rotating shaft; 4. a housing; 5. discharging a bin; 6. a side lever; 7. a second rotating shaft; 8. a hydraulic cylinder; 9. a third rotating shaft; 10. a finished product hopper; 11. a screening hopper; 12. a discharge port; 13. a motor; 14. a slide bar; 15. a discharge plate; 16. a fourth rotating shaft; 17. a guide blade; 18. a rack bar; 19. a fifth rotating shaft; 20. a drive gear; 21. a connecting plate; 22. a fixing frame; 23. screening the net; 24. a chute; 25. a brush; 26. a slide rail.

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. 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.

Referring to fig. 1-3, the present invention provides a technical solution: a screening device for wheat breeding comprises a base 1, a shell 4 and a motor 13, wherein the front end and the rear end of the base 1 are connected with a support frame 2, the upper end of the support frame 2 is connected with a first rotating shaft 3, the other end of the first rotating shaft 3 is connected with the shell 4, the upper end of the shell 4 is provided with a lower storage bin 5, the lower end of a central shaft of the shell 4 is provided with a discharge hole 12, the left end of the base 1 is connected with a side lever 6, the outer side of the side lever 6 is connected with a second rotating shaft 7, the inner part of the second rotating shaft 7 is connected with a hydraulic cylinder 8, the other end of the hydraulic cylinder 8 is connected with a third rotating shaft 9, the left end and the right end of the third rotating shaft 9 are connected with the hydraulic cylinder 8 and the shell 4, the upper end of the base 1 is respectively provided with a finished product hopper 10 and a screening hopper 11 from, and both ends fixedly connected with slide bar 14 about ratch 18, be equipped with fourth pivot 16 in the feed bin 5 down, and the fourth pivot 16 outside is connected with guide vane 17, ratch 18 upper end is connected with connecting plate 21, and the connecting plate 21 other end is connected with fixed frame 22, and fixed frame 22 upper end surface is equipped with screening net 23, spout 24 has been seted up in the outside at both ends about shell 4, and be equipped with brush 25 in the spout 24 of shell 4 left end, and the spout 24 outside of shell 4 right-hand member is equipped with out flitch 15, be equipped with slide rail 26 with the rear end of fixed frame 22 in the shell 4.

The first rotating shafts 3 are symmetrically arranged on the outer side of the shell 4, the shell 4 is rotatably connected with the support frame 2 through the first rotating shafts 3, the shell 4 can be mounted in a hanging mode through the first rotating shafts 3 arranged on two sides of the shell 4 and connected with the support frame 2, and blanking can be facilitated through the cooperation of the hydraulic cylinder 8;

the lower extreme of shell 4 is hopper-shaped structure, and the spout 24 length at both ends is greater than the length at both ends around fixed frame 22 about shell 4, through the funnel shape of shell 4 lower extreme, can carry out fine water conservancy diversion to the finished product wheat kind that sieves, and fixed frame 22 passes through slide rail 26 and shell 4's sliding connection simultaneously, and cooperation ratch 18 synchronous slip that can be fine.

The hydraulic cylinder 8 and the shell 4 form a rotating structure through the second rotating shaft 7 and the third rotating shaft 9, the shell 4 can be horizontally fixed through the hydraulic cylinder 8, when the hydraulic cylinder 8 contracts, the shell 4 can be pulled to incline by matching with the second rotating shaft 7 and the third rotating shaft 9, larger wheat seeds on the screening net 23 slide into the screening hopper 11 from the discharging plate 15, and screening work is simpler;

guide blades 17 are distributed on the outer side of the fourth rotating shaft 16 at equal intervals, the fourth rotating shaft 16 is movably connected with the discharging bin 5, wheat seeds needing to be screened are poured into the discharging bin 5, quantitative discharging can be carried out by the guide blades 17 in cooperation with the fourth rotating shaft 16 to rotate, and meanwhile, the seeds can be prevented from being accumulated and clamped in the discharging bin 5;

the driving gear 20 is meshed with the toothed bar 18, the sliding rods 14 at the left end and the right end of the toothed bar 18 are slidably connected with the shell 4, the motor 13 drives the fifth rotating shaft 19, the driving gear 20 outside the fifth rotating shaft 19 is linked to rotate in the toothed bar 18, the outer diameter of the toothed bar 18 is only provided with 5 equidistant toothed blocks, the toothed bar 18 meshed with the driving gear 20 can slide left and right when rotating, the sliding rods 14 at the two sides of the toothed bar 18 extend to the outer side of the shell 4, the range of the toothed bar 18 can be increased, wheat seeds on the upper end screening net 23 of the fixing frame 22 connected with the toothed bar 18 are shaken, and the wheat seeds fall into the finished product hopper 10 after falling to the discharge port 12.

The working principle is as follows: when the screening device for wheat breeding is used, firstly, wheat seeds to be screened are poured into the blanking bin 5 and are rotated by the guide blade 17 in cooperation with the fourth rotating shaft 16, quantitative blanking can be performed, meanwhile, the seeds can be prevented from being accumulated and clamped in the blanking bin 5, then the motor 13 is turned on, the motor 13 drives the fifth rotating shaft 19, the driving gear 20 outside the fifth rotating shaft 19 is linked to rotate in the toothed bar 18, the outer diameter of the toothed bar 18 is only provided with 5 tooth blocks with equal intervals, the toothed bar 18 meshed and connected with the driving gear 20 can slide left and right when rotating, the sliding rods 14 on two sides of the toothed bar 18 extend to the outer side of the shell 4, the range of the toothed bar 18 can be increased, the wheat seeds on the upper end screening net 23 of the fixing frame 22 connected with the toothed bar 18 are separated by shaking, high-quality finished wheat seeds fall into the discharge port 12 and finally fall into the finished product hopper 10, wherein the fixed frame 22 is connected with the shell 4 by the sliding way of the sliding way 26, the tooth bar 18 can be matched with the sliding way well, the brush 25 in the sliding way 24 at the left end of the shell 4 can well obstruct wheat seeds on the sieving net 23, prevent the wheat seeds from splashing out of the shell 4 due to the vertical movement of the fixed frame 22, when the poor wheat seeds at the upper end of the sieving net 23 are accumulated too much, the hydraulic cylinder 8 at the outer side of the starting side rod 6 is retracted backwards, the shell 4 can be pulled to incline by matching with the second rotating shaft 7 and the third rotating shaft 9, and the inferior wheat seeds on the sieving net 23 can be enabled to slide down into the sieving hopper 11 at the upper end of the base 1 from the discharging plate 15 by matching with the first rotating shafts 3 at the front and the back ends of the shell 4, so that the sieving work is simpler, the shell 4 can be suspended and installed by arranging the first rotating shafts 3 at the two sides of the shell 4 and connecting with the supporting frame 2, the connecting plate 21 strengthens the connecting strength between the rack bar 18 and the fixing frame 22, so that the wheat seeds are automatically screened, the screening efficiency is improved, and the overall practicability is improved.

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

Claims

1. The utility model provides a sieving mechanism is used in wheat breeding, includes base (1), shell (4) and motor (13), its characterized in that: the front end and the rear end of a base (1) are connected with supporting frames (2), the upper end of each supporting frame (2) is connected with a first rotating shaft (3), the other end of each first rotating shaft (3) is connected with a shell (4), a lower storage bin (5) is arranged at the upper end of each shell (4), a discharge hole (12) is formed in the lower end of the central shaft of each shell (4), the left end of the base (1) is connected with a side lever (6), the outer side of each side lever (6) is connected with a second rotating shaft (7), a hydraulic cylinder (8) is connected in the second rotating shaft (7), the other end of the hydraulic cylinder (8) is connected with a third rotating shaft (9), the left end and the right end of the third rotating shaft (9) are connected with the hydraulic cylinder (8) and the shells (4), a finished product hopper (10) and a screening hopper (11), one end of the motor (13) is connected with a fifth rotating shaft (19), the outer side of the fifth rotating shaft (19) is connected with a driving gear (20), the outer side of the driving gear (20) is connected with a rack bar (18), the left end and the right end of the toothed bar (18) are fixedly connected with a sliding bar (14), a fourth rotating shaft (16) is arranged in the blanking bin (5), and the outer side of the fourth rotating shaft (16) is connected with a guide blade (17), the upper end of the rack bar (18) is connected with a connecting plate (21), the other end of the connecting plate (21) is connected with a fixed frame (22), the surface of the upper end of the fixed frame (22) is provided with a screening net (23), the outer sides of the left and right ends of the shell (4) are provided with sliding chutes (24), and a brush (25) is arranged in the chute (24) at the left end of the shell (4), and a discharging plate (15) is arranged on the outer side of the chute (24) at the right end of the shell (4), and a sliding rail (26) is arranged at the rear end of the fixed frame (22) and in the shell (4).

2. The screening apparatus for wheat breeding according to claim 1, characterized in that: the outer side of the shell (4) is symmetrically provided with a first rotating shaft (3), and the shell (4) is rotatably connected with the support frame (2) through the first rotating shaft (3).

3. The screening apparatus for wheat breeding according to claim 1, characterized in that: the lower end of the shell (4) is of a funnel-shaped structure, and the lengths of the sliding grooves (24) at the left end and the right end of the shell (4) are greater than those at the front end and the rear end of the fixed frame (22).

4. The screening apparatus for wheat breeding according to claim 1, characterized in that: and the hydraulic cylinder (8) and the shell (4) form a rotating structure through a second rotating shaft (7) and a third rotating shaft (9).

5. The screening apparatus for wheat breeding according to claim 1, characterized in that: guide blades (17) are distributed on the outer side of the fourth rotating shaft (16) at equal intervals, and the fourth rotating shaft (16) is movably connected with the blanking bin (5).

6. The screening apparatus for wheat breeding according to claim 1, characterized in that: the driving gear (20) is in meshed connection with the toothed bar (18), and the sliding rods (14) at the left end and the right end of the toothed bar (18) are in sliding connection with the shell (4).