CN116251648A

CN116251648A - Rotary feed air mill

Info

Publication number: CN116251648A
Application number: CN202310313525.XA
Authority: CN
Inventors: 韩国清; 赵春秀; 邢孔萍
Original assignee: Foshan Huayang Animal Nutrition Co ltd
Current assignee: Foshan Huayang Animal Nutrition Co ltd
Priority date: 2023-03-28
Filing date: 2023-03-28
Publication date: 2023-06-13
Anticipated expiration: 2043-03-28
Also published as: CN116251648B

Abstract

The utility model relates to the technical field of powder grinding, in particular to a rotary feed air-mill. The device comprises a screw conveyor, wherein the screw conveyor is communicated with the outer wall of a wind mill shell and the outer wall of the wind mill shell, a grade separation cavity is formed in the wind mill shell, feed powder with different thickness is stored in a plurality of spaces respectively, a disturbance air outlet part penetrates through the grade separation cavity in a rotating mode, the disturbance air outlet part is used for discharging high-pressure gas into the spaces of the grade separation cavity respectively, multiple airflows form collision points of multiple crushed feeds along the grade separation cavity, and meanwhile, the feed powder with different thickness is separated into the spaces of the grade separation cavity under the flowing action of the airflows. According to the utility model, the airflow collision points are formed in each space of the grade separation cavity, so that the efficiency of crushing the feed into powder is improved, and feeds with different thicknesses can be conveniently stored in the grade separation cavity along with the flowing direction of wind.

Description

Rotary feed air mill

Technical Field

The utility model relates to the technical field of powder grinding, in particular to a rotary feed air-mill.

Background

The feed is a general term of foods of animals raised by all people, the general feed in a narrower sense mainly refers to foods of animals raised by agriculture or animal husbandry, the feed comprises more than ten varieties of feed raw materials such as soybean, soybean meal, corn, fish meal, amino acid, miscellaneous meal, whey powder, grease, meat and bone meal, grains, feed additives and the like, and the feed needs to be crushed in the conventional feed processing process in a crushing mode, so that the feed needs to be crushed by a pulverizer, but the conventional stirring and crushing mode is limited in processing fineness, so that the quality of the feed is influenced, and the feed is ground into fine powder by wind flow by a wind mill at present;

wherein, according to the Chinese patent application number: CN202222033697.5 relates to the technology of an air-flow pulverizer, which is used for solving the problems that the air-flow pulverizer needs to stop to take out and regrind large particles in the air-flow pulverizer during use and the ground powder is easy to agglomerate, in particular to an air-flow pulverizer for processing permanent magnet, which is used for avoiding powder agglomeration; according to the utility model, collision and crushing are carried out in the material particle shell, the material particles fall onto the powder filter screen, the powder with the granularity reaching the standard falls from the powder filter screen, the particles which do not reach the standard are left on the powder filter screen, the large particles on the powder filter screen are gradually pushed to the edge through the pushing plate and fall from the blanking opening, the recovery of the large particles which do not reach the standard is realized under the condition of no shutdown, the driving fan drives the main driving shaft to rotate, the main driving shaft drives the stirring rod below to rotate around the axis of the main driving shaft and rotate, and the powder material falls into the blanking pipeline to be stirred by the rotating stirring rod, so that the agglomeration phenomenon is prevented;

however, when the air flow pulverizer is used, materials are crashed through air flow, and feed can be crashed only when the materials are crashed by the air flow and are contacted with the position where the air flow is crashed, because the direction of the air flow is limited, the air flow is inconvenient to guide, the position where the air flow is crashed is limited, and the stirring rod can stir the feed, so that the feed can be crashed effectively, but the grinding efficiency is low;

meanwhile, aiming at different requirements of different livestock on the thickness of feed powder to be eaten, theoretically, the thinner the feed is, the better the palatability is, the more digestion is facilitated, but taking cattle as an example: considering the digestion characteristics of cattle, the cattle belongs to herbivores, the cattle mainly takes grass or straw as the normal feed, then certain concentrate is matched, namely corn, bean pulp and other cereal feeds, firstly, the fodder is chopped, which is really helpful for improving palatability, but the excessive fineness of the fodder can influence the feeding of the cattle, the blockage of the stomach is easily caused when the fodder is excessively fine, and the abomasum is easily caused when the fodder is excessively fine, so that when the condition that different livestock eat the same feed and different requirements on thickness are met, the current feed air mill can only grind into feeds with similar thickness, and the screening operation is needed again after the grinding, which is time-consuming and labor-consuming is considered.

Disclosure of Invention

The utility model aims to provide a rotary feed air mill for solving the problems in the background art.

In order to achieve the above purpose, the utility model provides a rotary feed air mill, which comprises an air mill shell and a screw conveyor communicated with the outer wall of the air mill shell, wherein the screw conveyor is used for conveying feed to be milled into the air mill shell, a grade separation cavity is arranged in the air mill shell and is used for separating the air mill shell into a plurality of spaces, feed powders with different thicknesses are respectively stored in the plurality of spaces, a disturbance air outlet component is rotationally penetrated in the grade separation cavity and is used for discharging high-pressure gas into the plurality of spaces of the grade separation cavity, so that a plurality of air flows form collision points of a plurality of crushed feeds along the grade separation cavity, and meanwhile, the feed powders with different thicknesses are separated into the plurality of spaces of the grade separation cavity under the flowing action of the air flows.

As a further improvement of the technical scheme, the plurality of spaces of the level separation chamber at least comprises a first level chamber, a second level chamber and a third level chamber, and the first level chamber, the second level chamber and the third level chamber are sequentially and circumferentially arranged from outside to inside, wherein:

through grooves are formed between the first grade cavity and the second grade cavity and between the second grade cavity and the third grade cavity.

As a further improvement of the technical scheme, two sorting screens are respectively arranged in the two through grooves, and the mesh size of the sorting screens between the first grade cavity and the second grade cavity is larger than that of the sorting screens between the second grade cavity and the third grade cavity.

As a further improvement of the technical scheme, the disturbance air outlet part at least comprises an air outlet barrel penetrating through the first grade cavity, the second grade cavity and the third grade cavity, the end part of the air outlet barrel extends out of the air grinding powder shell, an air pump is communicated with the air outlet barrel, a plurality of extension plates are arranged on the outer wall of the air outlet barrel, a plurality of air outlet holes are formed in the outer wall of the extension plates, and the air outlet holes are communicated with the air outlet barrel.

As a further improvement of the technical scheme, the end part of the air outlet cylinder, which is close to the air pump, is provided with a driven wheel, the outer wall of the driven wheel is meshed with a driving wheel, the driving wheel rotates on the outer wall of the air grinding powder shell, and the end part of the driving wheel is connected with an output shaft of a disturbance motor.

As a further improvement of this technical scheme, be equipped with the broken subassembly of transmission between play dryer and the separation screen cloth, the broken subassembly of transmission is including the scraper blade of slip on separation screen cloth surface, the scraper blade surface is equipped with the grid that is used for scraping separation screen cloth surface, wherein:

the notch of the outer wall of the air outlet cylinder is communicated with a pulling linkage rod which is U-shaped, the outer wall of the pulling linkage rod is movably connected with a connecting rod, and the end part of the connecting rod is movably connected with the surface of the scraping plate.

As a further improvement of the technical scheme, a chute is formed in the surface, close to the end portion, of the sorting screen, a convex plate is arranged on the surface of the scraping plate, and the convex plate is matched with the chute in a sliding mode.

As the further improvement of this technical scheme, screw conveyer includes at least with the transport casing of first level chamber intercommunication, the outer wall that the transport casing is close to the tip communicates there is the feeder hopper, just transport the inside screw that rotates of casing and be equipped with of casing, screw end connection has the transport motor output shaft.

As a further improvement of the technical scheme, a plurality of groups of discharging through holes communicated with the first grade cavity, the second grade cavity and the third grade cavity are formed in the bottom of the air grinding powder shell, a sorting discharging part is arranged at the bottom of the inner cavity of the air grinding powder shell, and when the sorting discharging part is used for discharging, the sorting discharging part is communicated with the plurality of discharging through holes in sequence to uniformly discharge.

As a further improvement of this technical scheme, select separately and arrange the material part including rotating the carousel board in the mill powder casing bottom at least, the carousel board bottom has inserted three discharging pipe, the discharging pipe is used for rotatory to discharge when communicating with wherein a set of row material through-hole coincidence, wherein:

the sorting and discharging component further comprises a supporting leg fixed on the air-milled powder shell, a rotating motor is fixed at the center inside the supporting leg, and the end part of an output shaft of the rotating motor is connected with the center of a turntable plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. in this pivoted fodder wind milling machine, through setting up disturbance air-out part and blow in high pressure gas to a plurality of spaces of the level separation cavity respectively, make gas along a plurality of spaces of the inside of level separation cavity flow, after partial air got into another space from one of them space, made air current and disturbance air-out part exhaust air current produce the collision, make collision force strike on the fodder, realize that the air current collision point forms in every space of level separation cavity, improve the efficiency of smashing the fodder into powder.

2. In this pivoted fodder wind milling machine, through setting up the level and separating the chamber, can drive the fodder and remove under the blowing of air current, the fodder that will coarse grain is located the level and separates the cavity outside, the space that the cavity was separated to the level is only through the air current that the disturbance air-out part produced with the inner wall collision with the fodder smashing, avoid smashing the dynamics great can not guarantee the graininess and feel, be unsuitable for different livestock and eat the fodder, however along with the level separates the chamber more near inboard, the less scope of gas flow is the bigger, the intensity of smashing the fodder is the bigger under the circumstances of same air output, the more fine and smooth of kibbling powder is the convenience is separated the fodder of different thickness in the level.

3. In this pivoted fodder wind milling machine, when rotatory through going out the dryer, drive and drag the gangbar and rotate, make the connecting rod activity pull the gangbar outer wall at "U" word form, drive the scraper blade and slide along sorting screen cloth surface, make the grid laminating of scraper blade surface select separately the filtration pore of screen cloth scrape and move, the fodder dispersion that will gather the group, improve the screening effect, simultaneously, when scraper blade is reciprocal scrapes, can extrude the fodder between scraper blade and the sorting screen cloth again and polish, improve the fine and smooth effect of polishing.

4. In this pivoted fodder wind milling machine, drive the carousel board by rotating electrical machines and rotate, drive a plurality of discharging pipes and rotate, make the discharging pipe in proper order with multiunit row material through-hole coincidence intercommunication, with the fodder of first level chamber, second level chamber and third level intracavity portion can even discharge, improve the collection effect of selecting separately the back fodder.

Drawings

FIG. 1 is a schematic diagram of the overall structure assembly of the present utility model;

FIG. 2 is a cut-away view of the overall structure of the present utility model;

FIG. 3 is a sectional view of the structure of the level cell of the present utility model;

FIG. 4 is a schematic cross-sectional illustration of a housing for a mill according to the present utility model;

FIG. 5 is a schematic diagram of a disturbance air outlet component according to the present utility model;

FIG. 6 is a cross-sectional view of the air outlet duct and extension plate structure of the present utility model;

FIG. 7 is a schematic view of a drive breaker assembly according to the present utility model;

FIG. 8 is an exploded view of the screen and squeegee configuration of the present utility model;

FIG. 9 is a cross-sectional view of the screw conveyor of the present utility model;

FIG. 10 is a schematic view of the sorting and discharging unit structure of the present utility model.

The meaning of each reference sign in the figure is:

100. a wind mill powder shell; 110. a grade separation cell; 111. a first level chamber; 112. a second level cavity; 113. a third level chamber; 114. a through groove; 115. a discharge through hole; 120. a screw conveyor; 121. a conveying housing; 122. a feed hopper; 123. a screw rod; 124. a conveying motor; 130. sorting a screen; 131. a chute;

200. the air outlet component is disturbed; 210. an air outlet cylinder; 211. an extension plate; 212. an air outlet hole; 220. an air pump; 230. driven wheel; 231. a driving wheel; 232. a disturbance motor; 240. a drive crushing assembly; 241. pulling the linkage rod; 242. a connecting rod; 243. a scraper; 244. a convex plate;

300. sorting and discharging components; 310. a turntable plate; 311. a discharge pipe; 312. a rotating electric machine; 320. and (5) supporting legs.

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.

at present, when an airflow pulverizer is used, materials are crashed through airflow, feed can be crashed only when the materials are crashed by the airflow, and the airflow is inconvenient to guide due to the limitation of the blowing direction of the airflow, so that the crashed positions of the airflow are limited, and although stirring rods can stir the feed, the feed can be crashed effectively, but the grinding efficiency is low;

meanwhile, aiming at different requirements of different livestock on the thickness of feed powder to be eaten, theoretically, the thinner the feed is, the better the palatability is, the more digestion is facilitated, but taking cattle as an example: considering the digestion characteristics of cattle, the cattle belongs to herbivores, the cattle mainly takes grass or straw as the normal feed, then certain concentrate, namely corn, bean pulp and other cereal feeds are matched, firstly, the fodder is cut short, which is really helpful for improving palatability, but the too fine fodder can influence the feeding of the cattle, the stomach blockage of the petals is easily caused when the fodder is too fine, and the abomasum ulcer is easily caused when the fodder is too fine, so that when facing the situation that different livestock eat the same feed and have different requirements on thickness, the current feed air mill can only grind into feeds with similar thickness, and the screening operation is needed again after the grinding, which is time-consuming and labor-consuming;

referring to fig. 1-6, a first embodiment of the present utility model is shown, the present embodiment provides a rotary feed air mill, including an air mill housing 100 and a screw conveyor 120 disposed on an outer wall of the air mill housing 100, the screw conveyor 120 is used for conveying feed to be milled into the air mill housing 100, the air mill housing 100 is convenient for subsequent air stream milling, a class separation chamber 110 is disposed in the air mill housing 100, the class separation chamber 110 is used for separating the air mill housing 100 into a plurality of spaces, different-thickness feed powders are stored in the plurality of spaces respectively, and a disturbance air outlet component 200 is disposed in the class separation chamber 110 in a rotating manner, the disturbance air outlet component 200 is used for discharging high-pressure air into the plurality of spaces of the class separation chamber 110 respectively, so that a plurality of airflow streams form a plurality of impact points for milling feed, simultaneously, under the flow action of the airflow streams, different-thickness powders are separated into the class separation chamber 110 by the conveying the screw conveyor 120, the airflow streams are impacted into the other space through the airflow streams, the airflow streams impact the other air outlet component 200 in a limited direction by the impact with the airflow streams, and the airflow streams impact the other air outlet component 200 in a limited direction, so that the airflow streams impact the airflow streams are blown into the other space in a limited by the impact with the airflow separation chamber 200, and the airflow stream impact with the other air outlet component 200 in a limited direction, the airflow stream impact with the air outlet component is disposed in a limited by the impact position in the space, realizing that airflow collision points are formed in each space of the grade separation cavity 110, improving the efficiency of crushing feed into powder;

in the case of different livestock eating the same feed with different requirements on thickness, therefore, through setting up the level separation cavity 110, can drive the fodder under the blowing of air current and remove, the fodder of coarse grain is located the level separation cavity 110 outside, the space of the level separation cavity 110 outside is smashed the fodder through the air current that the disturbance air-out part 200 produced with the inner wall collision, avoid smashing dynamics great can not guarantee the graininess sense, be not suitable for different livestock eating feed, however along with the level separation cavity 110 is close to the inboard, the scope of gas flow is smaller, the intensity of smashing the fodder is bigger under the condition of same air output, the more fine and smooth of the powder of smashing is convenient to smash the fodder of different thickness in the level separation cavity 110.

Firstly, to satisfy that the first-stage separation chamber 110 divides the interior of the air-grinding powder housing 100 into a plurality of spaces, and feed powders with different thicknesses are stored in the plurality of spaces, further disclosure of a specific structure of the first-stage separation chamber 110 is required, as shown in fig. 3, the plurality of spaces of the first-stage separation chamber 110 at least include a first-stage chamber 111, a second-stage chamber 112 and a third-stage chamber 113, and the first-stage chamber 111, the second-stage chamber 112 and the third-stage chamber 113 are sequentially and circumferentially arranged from outside to inside, wherein:

through grooves 114 are formed between the first grade cavity 111 and the second grade cavity 112 and between the second grade cavity 112 and the third grade cavity 113, high-pressure gas is blown into the first grade cavity 111, the second grade cavity 112 and the third grade cavity 113 respectively, so that partial air flow entering the first grade cavity 111 collides with the inner wall to crush feed, the other part enters the second grade cavity 112 from the through grooves 114, and when the other part collides with the inner wall of the second grade cavity 112, a plurality of collisions are formed between the other part and the entering high-pressure gas, and similarly, partial air enters the third grade cavity 113 from the through grooves 114, a plurality of collision points are formed in the third grade cavity 113 to crush feed, the grinding efficiency is improved, the dotted arrow direction of fig. 4 can be referred to as the air flow direction, and the solid arrow direction is the feed flow direction.

Specifically, two sorting screens 130 are respectively arranged in the two through grooves 114, the mesh size of the sorting screen 130 between the first level cavity 111 and the second level cavity 112 is larger than that of the sorting screen 130 between the second level cavity 112 and the third level cavity 113, the feed to be milled enters from the first level cavity 111, under the action of wind force, the wind current collides with the inner wall of the first level cavity 111 to pulverize the feed, meanwhile, the pulverized medium-grain feed moves along the direction of wind blowing and enters the second level cavity 112 through the sorting screen 130 between the first level cavity 111 and the second level cavity 112, large-grain feed is stored in the first level cavity 111, small-grain feed is formed after the medium-grain feed is crashed by airflow in the second level cavity 112, the small-grain feed enters into the third level cavity 113 along the direction of wind flow from the sorting screen 130 between the second level cavity 112 and the third level cavity 113, the small-grain feed is enabled to continuously present fine feed powder through airflow collision in the third level cavity 113, different fine feed powders are completed, different fine feed is conveniently taken out after different fine feed powders are processed, and coarse feed is conveniently sorted;

it should be noted that, since the mesh size requirements of the sorting screens 130 are different when the two sorting screens 130 are positioned between the first and

second grade cavities

111 and 112 and the second and

third grade cavities

112 and 113, respectively, the mesh size of the sorting screens 130 between the first and

second grade cavities

111 and 112 is larger than the mesh size of the sorting screens 130 between the second and

third grade cavities

112 and 113, so that the feed stored from outside to inside is finer and finer.

Secondly, to realize that the disturbance air outlet component 200 discharges high-pressure air to the grade separation cavity 110 respectively, so that a plurality of airflows form collision points of crushed feed, meanwhile, feed powder with different thicknesses is separated to a plurality of spaces of the grade separation cavity 110 under the flowing action of the airflows, a specific structure of the disturbance air outlet component 200 needs to be further disclosed, as shown in fig. 5, the disturbance air outlet component 200 at least comprises an air outlet barrel 210 penetrating through the interiors of the first grade cavity 111, the second grade cavity 112 and the third grade cavity 113, the end part of the air outlet barrel 210 extends out of the air grinding powder shell 100, an air pump 220 is arranged in a communicating manner, a plurality of extension plates 211 are arranged on the outer wall of the air outlet barrel 210, a plurality of air outlet holes 212 are formed on the outer wall of the extension plates 211, the air outlet holes 212 are communicated with the interiors of the air outlet barrel 210, high-pressure air generated through the air pump 220 is respectively conveyed to the interiors of the first grade cavity 111, the second grade cavity 112 and the third grade cavity 113, the supply of air is ensured, meanwhile, the contact surface where the air flow can collide is increased through the extension plates 211, the effect of the air flow is improved, and the grinding efficiency is improved.

If the wind direction entering the first, second and

third level cavities

111, 112, 113 is changed, the wind flow direction is improved, so that the crushing effect is improved, the wind outlet barrel 210 is required to be rotated in the first, second and

third level cavities

111, 112, 113, the end part of the wind outlet barrel 210, which is close to the air pump 220, is provided with a driven wheel 230, the outer wall of the driven wheel 230 is meshed with a driving wheel 231, the driving wheel 231 is rotated on the outer wall of the wind mill powder shell 100, the end part of the wind outlet barrel is connected with an output shaft of a disturbance motor 232, the driving wheel 231 is driven by the output shaft of the disturbance motor 232, the driven wheel 230 is meshed to drive the wind outlet barrel 210 to rotate, the position of the air outlet hole 212 is changed, the wind outlet angle is changed reciprocally, the air flow is conveniently ejected from different angles, the collision crushing effect is improved, and meanwhile, the extending plate 211 rotates along with the wind outlet barrel 210, the fodder can be disturbed, and the uniformity of fodder crushing is improved.

Since the two sorting screens 130 are easy to aggregate and block on the meshes of the sorting screens 130 to influence the screening of the feed when filtering and sorting feeds with different thicknesses, in order to dredge the feed blocked on the meshes of the sorting screens 130, referring to fig. 7 for illustrating a second embodiment of the present utility model, a transmission crushing assembly 240 is provided between the air outlet duct 210 and the sorting screens 130, the transmission crushing assembly 240 includes a scraper 243 sliding on the surface of the sorting screens 130, and a grid for scraping the surface of the sorting screens 130 is provided on the surface of the scraper 243, wherein:

the notch of the outer wall of the air outlet barrel 210 is communicated with a pulling linkage rod 241, as shown in fig. 6, the air outlet barrel 210 is in a long cylindrical shape, the outer wall of the air outlet barrel is provided with an inward concave notch, the pulling linkage rod 241 is arranged at the notch, the air outlet barrel 210 can rotate along with the air outlet barrel 210 while the air outlet barrel 210 is communicated with the pulling linkage rod 241, (in fig. 7, the air outlet barrel 210 is in a partial structure with a certain length, the notch of the air outlet barrel 210 is cut off, the pulling linkage rod 241 is shown to form fig. 7, the section filled at the end part of the pulling linkage rod 241 shows the cut-off section of the air outlet barrel 210, and the connection relation between the air outlet barrel 210 and the pulling linkage rod 241 can be further determined);

the link lever 241 is pulled to be "U" word form, the link lever 241 outer wall swing joint that pulls has connecting rod 242, connecting rod 242 tip and scraper blade 243 surface swing joint, when rotatory through play dryer 210, it rotates to drive to pull the link lever 241, make connecting rod 242 activity pull the link lever 241 outer wall at "U" word form, drive scraper 243 slides along sorting screen 130 surface, make the grid laminating of scraper 243 surface select separately screen 130's filtration pore scrape, scatter the fodder of gathering, the effect of screening is improved, simultaneously, when scraper 243 is reciprocal scrapes, can extrude the fodder between scraper 243 and the sorting screen 130 again and polish, improve the fine and smooth effect of polishing.

Wherein, because the scraper 243 is easy to fall off when scraping along the sorting screen 130, the surface of the sorting screen 130 cannot be attached to the surface for grinding, therefore, the chute 131 is formed on the surface of the sorting screen 130 close to the end, the convex plate 244 is arranged on the surface of the scraper 243, the convex plate 244 is adapted to slide inside the chute 131, when the scraper 243 slides along the surface of the sorting screen 130, the convex plate 244 slides inside the chute 131, the movement direction of the scraper 243 is limited, the scraper 243 is prevented from separating from the surface of the sorting screen 130, and the re-grinding effect of feed is improved.

Again, to realize that screw conveyer 120 carries the fodder that waits to grind to the inside of the fine powder casing 100 of wind, need further disclose screw conveyer 120, as shown in fig. 9, make screw conveyer 120 include the transport casing 121 that communicates with first level chamber 111 at least, the outer wall that transport casing 121 is close to the tip communicates there is feeder hopper 122, and transport casing 121 inside rotates and is equipped with hob 123, hob 123 end connection has the output shaft of conveying motor 124, fix the transport motor 124 casing at transport casing 121 tip, drive hob 123 rotation by conveying motor 124 output shaft, will put in the fodder that gets into along hob 123 entering first level chamber 111 inside from the feeder hopper 122 top, guarantee the integrality of structure.

After grinding, when the feed is taken out according to the sorted space, if only one discharge hole is provided at the bottom of the first, second and

third grade cavities

111, 112 and 113, it is inconvenient to discharge all the feed cleanly, resulting in waste of resources, therefore, referring to fig. 10, in the second embodiment of the present utility model, a plurality of groups of discharge through holes 115 are provided at the bottom of the air grinding powder housing 100, which are communicated with the first, second and

third grade cavities

111, 112 and 113, and a sorting and discharging part 300 is provided at the bottom of the inner cavity of the air grinding powder housing 100, and when the sorting and discharging part 300 is used for discharging, the plurality of discharge through holes 115 are sequentially communicated to perform uniform discharging.

Specifically, the sorting and discharging component 300 at least comprises a turntable plate 310 rotating at the bottom of the gouging powder casing 100, three discharging pipes 311 are inserted at the bottom of the turntable plate 310, and the discharging pipes 311 are used for discharging when rotating to be in coincident communication with one group of discharging through holes 115, wherein:

the sorting and discharging component 300 further comprises a supporting leg 320 fixed to the air-grinding shell 100, a rotating motor 312 is fixed to the center of the inner portion of the supporting leg 320, the end portion of an output shaft of the rotating motor 312 is connected with the center of a rotating disc plate 310, the rotating motor 312 drives the rotating disc plate 310 to rotate, and a plurality of discharging pipes 311 are driven to rotate, so that the discharging pipes 311 are sequentially overlapped and communicated with the plurality of groups of discharging through holes 115, feed in the first grade cavity 111, the second grade cavity 112 and the third grade cavity 113 can be uniformly discharged, and the collecting effect of the sorted feed is improved.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a pivoted fodder wind milling machine, includes wind milling powder casing (100) and screw conveyer (120) that wind milling powder casing (100) outer wall intercommunication was equipped with, screw conveyer (120) are used for carrying the fodder of waiting the crocus to wind milling powder casing (100) inside, its characterized in that: the utility model discloses a novel efficient feed powder classifying and separating device, including wind mill powder casing (100), grade separation cavity (110) are equipped with in the wind mill powder casing (100), grade separation cavity (110) are used for dividing wind mill powder casing (100) inside into a plurality of spaces, store different thickness fodder powder in a plurality of spaces respectively, and the inside rotation of grade separation cavity (110) is run through has disturbance air-out part (200), disturbance air-out part (200) are used for respectively to discharge high-pressure gas in a plurality of spaces of grade separation cavity (110), make the multistrand air current separate the collision point that cavity (110) formed a plurality of crushing fodder along the grade, select different thickness fodder powder to under the flow effect of air current a plurality of spaces of grade separation cavity (110) simultaneously.

2. The rotary feed air mill of claim 1 wherein: the multiple spaces of the grade separation cavity (110) at least comprise a first grade cavity (111), a second grade cavity (112) and a third grade cavity (113), wherein the first grade cavity (111), the second grade cavity (112) and the third grade cavity (113) are sequentially arranged in a surrounding mode from outside to inside, and the multiple spaces are formed by sequentially arranging:

through grooves (114) are formed between the first grade cavity (111) and the second grade cavity (112) and between the second grade cavity (112) and the third grade cavity (113).

3. The rotary feed air mill of claim 2 wherein: two sorting screens (130) are respectively arranged in the two through grooves (114), and the mesh size of the sorting screens (130) between the first grade cavity (111) and the second grade cavity (112) is larger than that of the sorting screens (130) between the second grade cavity (112) and the third grade cavity (113).

4. A rotary feed air mill according to claim 3, wherein: the air outlet component (200) comprises an air outlet barrel (210) penetrating through the first grade cavity (111), the second grade cavity (112) and the third grade cavity (113), the end part of the air outlet barrel (210) extends out of the air grinding powder shell (100), an air pump (220) is arranged in the air outlet barrel in a communicating mode, a plurality of extension plates (211) are arranged on the outer wall of the air outlet barrel (210), a plurality of air outlet holes (212) are formed in the outer wall of the extension plates (211), and the air outlet holes (212) are communicated with the air outlet barrel (210).

5. The rotary feed air mill of claim 4 wherein: the end of the air outlet cylinder (210) close to the air pump (220) is provided with a driven wheel (230), the outer wall of the driven wheel (230) is provided with a driving wheel (231) in a meshed mode, the driving wheel (231) rotates on the outer wall of the air grinding powder shell (100), and the end portion of the driving wheel is connected with an output shaft of a disturbance motor (232).

6. The rotary feed air mill of claim 5 wherein: be equipped with transmission broken subassembly (240) between play dryer (210) and separation screen cloth (130), transmission broken subassembly (240) are including sliding scraper blade (243) on separation screen cloth (130) surface, scraper blade (243) surface is equipped with the grid that is used for scraping separation screen cloth (130) surface, wherein:

the notch of the outer wall of the air outlet cylinder (210) is communicated with a pulling linkage rod (241), the pulling linkage rod (241) is U-shaped, the outer wall of the pulling linkage rod (241) is movably connected with a connecting rod (242), and the end part of the connecting rod (242) is movably connected with the surface of the scraping plate (243).

7. The rotary feed air mill of claim 6 wherein: the surface of the sorting screen (130) close to the end is provided with a chute (131), the surface of the scraping plate (243) is provided with a convex plate (244), and the convex plate (244) is adapted to slide in the chute (131).

8. The rotary feed air mill of claim 2 wherein: the screw conveyor (120) at least comprises a conveying shell (121) communicated with the first level cavity (111), a feed hopper (122) is communicated with the outer wall of the conveying shell (121) close to the end part, a screw rod (123) is rotatably arranged in the conveying shell (121), and the end part of the screw rod (123) is connected with an output shaft of a conveying motor (124).

9. The rotary feed air mill of claim 2 wherein: the air-grinding powder grinding machine comprises a first grade cavity (111), a second grade cavity (112) and a third grade cavity (113), wherein a plurality of groups of discharge through holes (115) are formed in the bottom of the air-grinding powder grinding shell (100), the discharge through holes (115) are formed in the bottom of the inner cavity of the air-grinding powder grinding shell (100) in a communicated mode, a sorting and discharging part (300) is arranged at the bottom of the inner cavity of the air-grinding powder grinding shell (100), and when the sorting and discharging part (300) is used for discharging, the sorting and discharging part is sequentially communicated with the plurality of discharge through holes (115) to uniformly discharge.

10. The rotary feed air mill of claim 9 wherein: sorting discharging part (300) are including rotating carousel board (310) in the bottom of terrazzo casing (100) at least, three discharging pipe (311) are inserted to carousel board (310) bottom, discharging pipe (311) are used for rotatory discharging when being in coincident intercommunication with wherein a set of discharge through-hole (115), wherein:

the sorting and discharging component (300) further comprises supporting legs (320) fixed to the air-grinding shell (100), a rotating motor (312) is fixed to the inner center of each supporting leg (320), and the end portion of an output shaft of the rotating motor (312) is connected with the center of a turntable plate (310).