CN218282648U - Multi-stage screening device for wheat breeding - Google Patents

Abstract

The utility model belongs to the technical field of wheat breeding screening technique and specifically relates to a multistage sieving mechanism is used in wheat breeding, including screening case and sliding door, all be connected with the sliding door through a plurality of hinge rotations in the preceding terminal surface below of screening case, the rigid coupling has the feeder hopper in the middle of the top of screening case, the left side below inner wall rigid coupling of screening case has down the flitch, and the right side outer wall of flitch and the opening part inner wall rigid coupling of screening case mutually down, the top internally mounted of screening case has unloader, install wheat breeding sieving mechanism in the middle of the inner wall of screening case. Can pour the wheat seed into the feeder hopper, later connect the output shaft that makes first motor to drive the gear and carry out reciprocating motion, the gear passes through the rack and can drive striker plate reciprocating motion, like this through striker plate alright with make wheat seed intermittent type whereabouts to alright with the screening effect to the wheat seed that improves.

Description

Multi-stage screening device for wheat breeding

Technical Field

The utility model relates to a wheat breeding screening technical field specifically is a multistage sieving mechanism is used in wheat breeding.

Background

Wheat is a general name of wheat plants, a representative species of wheat is common wheat, is a gramineae plant and is a cereal crop widely planted all over the world, the caryopsis of wheat is one of staple food of human beings, bread, steamed bread, biscuits, noodles and other foods can be made after flour is ground, beer, alcohol and white spirit can be made after fermentation, and the wheat needs to be screened by a screening device before breeding so as to obtain high-quality wheat seeds.

For example, a multistage screening apparatus for wheat breeding with the grant publication No. CN 214865154U, comprising a body. Leading-in screening storehouse of wheat is carried out screening process through the feeder hopper, remove great impurity through first sieve earlier, screen other materials to next step again, rethread second sieve filters medium size material, come to discharge the seed of tiny damage or other impurity through the third blown down tank, drive the vibration of vibrating arm through vibrating motor, drive first sieve and second sieve vibration screening seed through the vibrating arm, but do not set up intermittent type blanking structure in the below of screening the storehouse in the aforesaid, the wheat seed that so got into can directly fall and filter on the first sieve through screening the storehouse, the volume when every wheat seed unloading is too much, receive the influence of wheat seed whole weight, vibrating motor just can't be better shakes whole wheat seeds on the first sieve, and then just reduced the screening effect to the wheat seed, simultaneously first sieve and second sieve in the aforesaid are the slope setting, like this after wheat seed falls on first sieve and the second sieve at every turn, the condition that just the right side discharge was just selected to the screen of a part of seed can appear still, therefore just cause the waste.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the existing wheat screening device is not provided with an intermittent feeding device when in use, thereby reducing the screening effect and the screening structure, and leading the wheat seeds to be directly discharged easily for the slope setting, and providing a multistage wheat breeding screening device for wheat breeding.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a multistage sieving mechanism is used in wheat breeding, includes screening case and sliding door, all be connected with the sliding door through a plurality of hinges rotation about the preceding terminal surface of screening case, the rigid coupling has the feeder hopper in the middle of the top of screening case, the left side below inner wall rigid coupling of screening case has down the flitch, and the right side outer wall of flitch and the opening part inner wall rigid coupling of screening case mutually, the top internally mounted of screening case has unloader, install wheat breeding sieving mechanism in the middle of the inner wall of screening case.

Preferably, unloader includes the barrel, the top and the screening case looks rigid coupling of barrel, the internally mounted of barrel has a plurality of striker plates, and the through-hole department inner wall clearance fit of the middle outer wall of striker plate and barrel, the outside rigid coupling of striker plate has the rack, the top meshing of rack is connected with the gear, and the rear end face rigid coupling of gear has first motor, the middle outer wall rigid coupling of first motor has first frame, and the top and the screening case looks rigid coupling of first frame.

Preferably, the below of striker plate is equipped with a plurality of sieve, and the spout department inner wall clearance fit of the left and right sides outer wall of sieve and screening case, can play limiting displacement to the sieve through the spout of screening case like this.

Preferably, the first screen and the second screen are fixedly connected to the middle of the inner parts of the upper screen plate and the lower screen plate respectively, so that multi-stage screening can be realized through the first screen and the second screen.

Preferably, wheat breeding sieving mechanism includes the riser, and is a plurality of from top to bottom the below and the sieve looks rigid coupling of riser, the below of riser is equipped with first notch plate, and the top and the sieve looks rigid coupling of first notch plate, the groove of first notch plate rotates through the pivot and is connected with circular block, the laminating of the below outer wall of circular block has the cam, and the outer wall of cam rotates through the pivot and is connected with the second notch plate, the below rigid coupling of second notch plate has first diaphragm, and the outside and the screening case looks rigid coupling of first diaphragm, the front end pivot department rigid coupling of cam has the worm wheel, the below meshing of worm wheel is connected with the worm, and the both ends outer wall of worm rotates through bearing and screening case and links to each other.

Preferably, the right side rigid coupling of worm has the second motor, and the middle outer wall rigid coupling of second motor has the second frame, the left side and the screening case looks rigid coupling of second frame can drive the worm through the output shaft of second motor and rotate like this.

The utility model provides a pair of multistage sieving mechanism is used in wheat breeding, beneficial effect lies in: wheat seeds can be poured into the feed hopper, then the output shaft of the first motor drives the gear to rotate in a reciprocating mode, the gear can drive the material blocking plate to move in a reciprocating mode through the rack, and therefore the wheat seeds can fall down intermittently through the material blocking plate, and the screening effect of the wheat seeds can be improved;

after start the second motor, the output shaft that makes the second motor drives the worm and rotates, the worm drives the cam through the worm wheel and rotates, the cam drives the sieve through circular block and first concave plate and removes, the structure at sieve top both ends of deuterogamying alright shake to the wheat seed, and cooperate first screen cloth and second screen cloth to carry out multistage screening to the wheat seed, simultaneously because the sieve sets up for the plane, and the sieve is followed all the time and is shaken on the upper and lower side, consequently just can not have the wheat seed and leak the sieve phenomenon, also conveniently clear up remaining wheat seed on the sieve through sliding door simultaneously, thereby the result of use is better.

Drawings

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

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a schematic view of the structure of the gear, the rack and the striker plate of FIG. 2;

FIG. 4 is a schematic view of the cam, the second motor and the second housing of FIG. 2;

fig. 5 is a schematic view of the structure of the stop lever, the spring and the screen plate in fig. 2.

In the figure: 1. screening case, 2, sliding door, 3, unloader, 301, barrel, 302, striker plate, 303, rack, 304, gear, 305, first motor, 306, first frame, 4, wheat breeding sieving mechanism, 401, riser, 402, first notch plate, 403, circular block, 404, cam, 405, second notch plate, 406, first diaphragm, 407, worm wheel, 408, worm, 4A1, second diaphragm, 4A2, pin, 4A3, spring, 5, feeder hopper, 6, lower flitch, 7, sieve, 8, first screen cloth, 9, second screen cloth, 10, second motor, 11, second frame.

The specific implementation mode is as follows:

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.

Example 1:

referring to the accompanying drawings 1-5, in the embodiment, a multistage screening device for wheat breeding is provided, including screening case 1 and sliding door 2, openings are processed on the top and the right side below of screening case 1, and 2 chutes are processed on the inner walls of the left side and the right side of screening case 1, sliding door 2 is connected on the upper side and the lower side of the front end face of screening case 1 through 2 hinges, the remaining seeds on sieve plate 7 are conveniently cleaned through sliding door 2, feed hopper 5 is fixedly connected in the middle of the top of screening case 1, feed plate 6 is fixedly connected on the inner wall of the left side below of screening case 1, the seeds falling from the screening can be discharged through feed plate 6, and the right side outer wall of feed plate 6 is fixedly connected with the inner wall of the opening of screening case 1, feed device 3 is installed inside the top of screening case 1, intermittent falling of the wheat seeds can be realized through feed device 3, thereby the screening effect is better, wheat screening device 4 is installed in the middle of the inner wall of screening case 1, multistage screening device can be used for wheat seeds, and the phenomenon of sieve leakage can be avoided.

Referring to the attached drawings 1-3, the blanking device 3 comprises a cylinder 301, a material baffle 302, a rack 303, a gear 304, a first motor 305 and a first machine base 306, wherein the upper part of the cylinder 301 is fixedly connected with the screening box 1, 2 through holes are processed in the cylinder 301, 2 material baffles 302 are installed in the cylinder 301, the middle outer wall of each material baffle 302 is in clearance fit with the inner wall of the through hole of the cylinder 301, the material baffle 302 can be limited through the through hole of the cylinder 301, the outer side of the material baffle 302 is fixedly connected with the rack 303, the material baffle 302 can be driven to move through the rack 303, the gear 304 is meshed and connected with the upper part of the rack 303, the rack 303 can be driven to move through the gear 304, a first motor 305 is fixedly connected to the rear end face of the gear 304, the type of the first motor 305 can be selected according to the requirements of a user, a first base 306 is fixedly connected to the outer wall of the middle of the first motor 305, the upper portion of the first base 306 is fixedly connected with the screening box 1, 2 screen plates 7 are arranged below the material baffle plate 302, an opening is formed in the middle of each screen plate 7, the outer walls of the left side and the right side of each screen plate 7 are in clearance fit with the inner wall of the sliding groove of the screening box 1, the screen plates 7 can be limited through the sliding grooves of the screening boxes 7, a first screen 8 and a second screen 9 are fixedly connected to the middles of the inner portions of the upper screen plate 7 and the lower screen plate 7 respectively, the mesh number of the first screen 8 is smaller than that of the second screen 9, and therefore, multi-stage screening of wheat seeds can be performed;

can pour the wheat seed into feeder hopper 5, later connect the output shaft that makes first motor 305 to drive gear 304 and carry out reciprocating rotation, gear 304 can drive striker plate 302 reciprocating motion through rack 303, like this through striker plate 302 alright with make wheat seed intermittent type whereabouts to alright with the screening effect to the wheat seed that improves.

Referring to the attached figures 1, 2 and 4, the wheat breeding screening device 4 comprises a vertical plate 401, a first concave plate 402, a circular block 403, a cam 404, a second concave plate 405, a first horizontal plate 406, a worm wheel 407 and a worm 408, wherein the lower parts of the upper and lower 2 vertical plates 401 are fixedly connected with a sieve plate 7, wheat seeds can be blocked by the vertical plates 401, the first concave plate 402 is arranged below the vertical plate 401, the upper part of the first concave plate 402 is fixedly connected with the sieve plate 7, the groove of the first concave plate 402 is rotatably connected with the circular block 403 through a rotating shaft, the outer wall of the lower part of the circular block 403 is attached with the cam 404, the cam 404 can drive the sieve plate 7 to move through the circular block 403 and the first concave plate 402, and the outer wall of the cam 404 is rotatably connected with the second concave plate 405 through the rotating shaft, a first transverse plate 406 is fixedly connected below the second concave plate 405, the outer side of the first transverse plate 406 is fixedly connected with the screening box 1, a worm wheel 407 is fixedly connected to a rotating shaft at the front end of the cam 404, the worm wheel 407 can drive the cam 404 to rotate through the rotating shaft, a worm 408 is meshed and connected to the lower side of the worm wheel 407, the worm 408 can drive the worm wheel 407 to rotate, outer walls of two ends of the worm 408 are rotatably connected with the screening box 1 through bearings, a second motor 10 is fixedly connected to the right side of the worm 408, the type of the second motor 10 can be selected according to the user requirement, the worm 408 can be driven to rotate through an output shaft of the second motor 10, a second base 11 is fixedly connected to the outer wall of the middle of the second motor 10, and the left side of the second base 11 is fixedly connected with the screening box 1;

can start second motor 10, make the output shaft of second motor 10 drive worm 408 and rotate, worm 408 drives cam 404 through worm wheel 407 and rotates, cam 404 drives sieve 7 through circular block 403 and first concave plate 402 and removes, the structure alright in order to shake wheat seed at sieve 7 top both ends of deuterogamying, and cooperate first screen cloth 8 and second screen cloth 9 to carry out multistage screening to wheat seed, simultaneously because sieve 7 is the plane setting, and sieve 7 is followed vibrations on the upper and lower side all the time, consequently just can not have wheat seed to leak the sieve phenomenon, also conveniently clear up remaining wheat seed on sieve 7 through sliding door 2 simultaneously, thereby the result of use is better.

In this embodiment, when an operator needs to use the multi-stage screening device for wheat breeding, the operator can firstly pour wheat seeds into the feed hopper 5, then the external power supply of the first motor 305 is switched on, the first motor 305 is started, the output shaft of the first motor 305 drives the gear 304 to perform reciprocating rotation, the gear 304 can drive the baffle plate 302 to perform reciprocating movement through the rack 303, and thus the wheat seeds can fall intermittently through the baffle plate 302, so that the screening effect on the wheat seeds can be improved;

afterwards switch on second motor 10's external power supply, start second motor 10, make the output shaft of second motor 10 drive worm 408 and rotate, worm 408 drives cam 404 through worm wheel 407 and rotates, cam 404 drives sieve 7 through circular block 403 and first concave plate 402 and moves, the structure alright in order to vibrate wheat seed of deuterogamy sieve 7 top both ends, and cooperate first screen cloth 8 and second screen cloth 9 to carry out multistage screening to wheat seed, simultaneously because sieve 7 is the plane setting, and sieve 7 is all the time along shaking on the top and bottom, consequently just there can not exist wheat seed hourglass sieve phenomenon, also conveniently clear up remaining wheat seed on sieve 7 through sliding door 2 simultaneously, thereby the result of use is better.

Example 2:

referring to fig. 1-5, in the embodiment, the utility model provides a technical solution: a multi-stage screening device for wheat breeding is disclosed, wherein the screening device 4 for wheat breeding further comprises a second transverse plate 4A1, a stop lever 4A2 and a spring 4A3, the outer walls of the upper and lower 2 second transverse plates 4A1 are fixedly connected with a screening box 1, a through hole is processed in the second transverse plate 4A1, the stop lever 4A2 is installed in the second transverse plate 4A1, the middle outer wall of the stop lever 4A2 is in clearance fit with the inner wall of the through hole of the second transverse plate 4A1, the lower part of the stop lever 4A2 is fixedly connected with a sieve plate 7, the sieve plate 7 can drive the stop lever 4A2 to move, the spring 4A3 is installed on the outer wall above the stop lever 4A2, and the outer walls of two ends of the spring 4A3 are fixedly connected with the second transverse plate 4A1 and the stop lever 4A2 respectively;

can make sieve 7 drive pin 4A2 and remove, pin 4A2 cooperation second diaphragm 4A1 can stretch spring 4A3 like this, makes spring 4A3 take place elastic deformation to the performance of talking through spring 4A3 can improve the vibrations effect of sieve 7 to the wheat seed.

In this embodiment, when operating personnel need use wheat breeding to use multistage sieving mechanism, can make sieve 7 drive pin 4A2 and remove, pin 4A2 cooperates second diaphragm 4A1 can stretch spring 4A3 like this, makes spring 4A3 take place elastic deformation to the performance of talking through spring 4A3 can improve the vibrations effect of sieve 7 to the wheat seed.

While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.

Claims (6)

1. The utility model provides a wheat breeding uses multistage sieving mechanism, is including screening case (1) and sliding door (2), all be connected with sliding door (2), its characterized in that through a plurality of hinges rotation on the preceding terminal surface of screening case (1): the utility model discloses a screening box, including screening case (1), solid coupling has feeder hopper (5) in the middle of the top of screening case (1), the left side below inner wall rigid coupling of screening case (1) has down flitch (6), and the right side outer wall of flitch (6) and the opening part inner wall rigid coupling of screening case (1) mutually, the top internally mounted of screening case (1) has unloader (3), install wheat breeding sieving mechanism (4) in the middle of the inner wall of screening case (1).

2. The multistage screening apparatus for wheat breeding according to claim 1, characterized in that: unloader (3) are including barrel (301), the top and screening case (1) looks rigid coupling of barrel (301), the internally mounted of barrel (301) has a plurality of striker plates (302), and the through-hole department inner wall clearance fit of the middle outer wall of striker plate (302) and barrel (301), the outside rigid coupling of striker plate (302) has rack (303), the top meshing of rack (303) is connected with gear (304), and the rear end face rigid coupling of gear (304) has first motor (305), the middle outer wall rigid coupling of first motor (305) has first frame (306), and the top and the screening case (1) looks rigid coupling of first frame (306).

3. The multistage screening apparatus for wheat breeding according to claim 2, characterized in that: the lower part of striker plate (302) is equipped with a plurality of sieve boards (7), and the left and right sides outer wall of sieve board (7) and the spout department inner wall clearance fit of screening case (1).

4. The multistage screening apparatus for wheat breeding according to claim 3, characterized in that: the middle of the inner part of the upper sieve plate (7) and the middle of the inner part of the lower sieve plate (7) are respectively fixedly connected with a first sieve (8) and a second sieve (9).

5. The multistage screening apparatus for wheat breeding according to claim 1, characterized in that: wheat breeding sieving mechanism (4) are including riser (401), and are a plurality of from top to bottom the below and sieve (7) looks rigid coupling of riser (401), the below of riser (401) is equipped with first notch board (402), and the top and sieve (7) looks rigid coupling of first notch board (402), the groove of first notch board (402) rotates through the pivot and is connected with circular block (403), the laminating of the below outer wall of circular block (403) has cam (404), and the outer wall of cam (404) rotates through the pivot and is connected with second notch board (405), the below rigid coupling of second notch board (405) has first diaphragm (406), and the outside and screening case (1) looks rigid coupling of first diaphragm (406), the front end pivot department rigid coupling of cam (404) has worm wheel (407), the below meshing of worm wheel (407) is connected with worm (408), and the both ends outer wall of worm (408) rotates through bearing and case (1) and links to each other.

6. The multistage screening apparatus for wheat breeding according to claim 5, characterized in that: the right side rigid coupling of worm (408) has second motor (10), and the middle outer wall rigid coupling of second motor (10) has second frame (11), the left side and the screening case (1) looks rigid coupling of second frame (11).

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