CN109261516B - A combined fan type oat cleaning machine - Google Patents

A combined fan type oat cleaning machine Download PDF

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Publication number
CN109261516B
CN109261516B CN201811245511.4A CN201811245511A CN109261516B CN 109261516 B CN109261516 B CN 109261516B CN 201811245511 A CN201811245511 A CN 201811245511A CN 109261516 B CN109261516 B CN 109261516B
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fan
cleaning
cylindrical
frame
oat
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CN109261516A (en
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李心平
张家亮
姬江涛
赵高源
乔春华
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Henan University of Science and Technology
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Henan University of Science and Technology
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
    • B07B4/08—Separating solids from solids by subjecting their mixture to gas currents while the mixtures are supported by sieves, screens, or like mechanical elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
    • B07B11/02—Arrangement of air or material conditioning accessories

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  • Mechanical Engineering (AREA)
  • Combined Means For Separation Of Solids (AREA)

Abstract

一种组合风机式燕麦清选机，包括机架以及喂料斗、筛选组件、清选风机组件、籽粒输送组件和动力组件，筛选组件包括水平、且相互平行设置的多个圆筒筛，每个圆筒筛的侧壁上都均匀开设有多个筛孔，且每个圆筒筛的侧壁在沿平行于其轴向方向上，均呈由多段折线构成的波浪状，每相邻两个圆筒筛侧壁相对应处的波浪状起伏凹凸方向正好相反；清选风机由并联式离心风机与轴流风机组成，分别用于脱出较大的杂质和较小的杂质。本发明的一种组合式双风机配以三圆筒筛的燕麦清选机，通过多个圆筒筛结构的改变，以及不同风机的配合式相互作用，实现燕麦原料中燕麦籽粒和杂质的风筛组配式快速、有效筛选分离，从而降低了生产成本，提高了燕麦的清选质量。

Figure 201811245511

A combined fan-type oat cleaning machine includes a frame, a feeding hopper, a screening assembly, a cleaning fan assembly, a grain conveying assembly and a power assembly. The screening assembly includes a plurality of cylindrical screens arranged horizontally and parallel to each other. A plurality of sieve holes are evenly opened on the side wall of the cylindrical screen, and the side wall of each cylindrical screen is in a wave shape composed of multiple folded lines in the direction parallel to its axial direction. The wave-like undulating concave-convex directions corresponding to the side wall of the cylindrical screen are just opposite; An oat cleaning machine with combined double fans and three cylinder screens of the present invention realizes the air removal of oat grains and impurities in the oat raw material through the change of the structure of multiple cylinder screens and the cooperative interaction of different fans. The sieve assembly type is fast and effective for screening and separation, thereby reducing the production cost and improving the cleaning quality of oats.

Figure 201811245511

Description

Combined fan type oat cleaner
Technical Field
The invention relates to the technical field of cleaning mechanical equipment for oat threshed products in crops, in particular to a combined double-fan type three-cylinder screen oat cleaning machine.
Background
With the improvement of agricultural production level in China, the development of mechanized harvesting of crops is faster and faster. In recent years, the demand of oat on the grain market is continuously increased, but the oat cleaning device matched with the oat is immature on the market. The cleaning operation of oat threshed products is an important link in the oat harvesting process. The traditional oat cleaning operation mainly depends on manpower, and the cleaning is relatively clean, but the labor intensity is high and the efficiency is low.
Most of the cleaning mechanisms in the current market are vibrating screen mechanisms consisting of a vibrating plate, an upper screen, a lower screen and the like. Although the cleaning effect of the vibrating screen is better, the mechanism has the defects of large volume, complex structure, large vibration amplitude, high processing cost and the like.
Therefore, the problems that the size of the oat cleaning mechanism is reduced, the production cost is reduced, and the cleaning device with low cost, simple structure and good cleaning effect is designed by improving the key structure of the cleaning machine aiming at the biological characteristics of the oats are solved at present.
Disclosure of Invention
The technical purpose of the invention is as follows: the utility model provides a modular double fan is equipped with oat cleaner of three drum sieves, through the change of a plurality of drum sieve structures to and the cooperation formula interact of different fans, realize that oat seed grain and impurity's wind sieve matched stack formula is quick, effectively screening separation in the oat raw materials, thereby reduced manufacturing cost, improved the quality of cleaning of oat.
In order to achieve the technical purpose, the invention adopts the technical scheme that: a combined fan type oat cleaner comprises a rack, a feeding hopper, a screening assembly, a cleaning fan assembly, a grain conveying assembly and a power assembly, wherein the feeding hopper, the screening assembly, the cleaning fan assembly, the grain conveying assembly and the power assembly are arranged on the rack, the rack is of a rectangular frame structure, a partition plate is vertically arranged in the rack and parallel to the width edge of the rectangular frame structure rack so as to divide the interior of the rack into two cavity spaces of a fan chamber and a cleaning chamber, the feeding hopper is arranged on the corresponding rack above the cleaning chamber and can feed into the cleaning chamber, the screening assembly is arranged in the cleaning chamber and comprises a plurality of cylinder sieves which are horizontal and parallel to each other, the cylinder sieves are arranged along the length edge direction parallel to the rectangular frame structure rack, and the cylinder diameters of the cylinder sieves sequentially decrease in the arrangement direction close to the fan chamber and far away from the fan chamber, the device comprises a feeding hopper, a cylindrical sieve, a plurality of sieve holes, a plurality of broken lines, a plurality of corrugated concave-convex directions and a plurality of corrugated convex-concave directions, wherein the cylindrical sieve with the largest cylinder diameter is arranged right below the feeding hopper and used for receiving and first-stage screening oat raw materials conveyed by the feeding hopper;
the cleaning fan component comprises a centrifugal fan and an axial flow fan, wherein the centrifugal fan is arranged in a fan chamber of the frame, an air outlet of the centrifugal fan supplies air into the cleaning chamber through a through hole arranged on a partition plate, the centrifugal fan is used for carrying out winnowing separation between oat grains and impurities on materials screened by a sieve hole of the cylindrical sieve, the axial flow fan is arranged above the frame, a rectangular air outlet pipe is horizontally arranged between the axial flow fan and the frame, the rectangular air outlet pipe is arranged right above the cleaning chamber, one end, close to the fan chamber, of the rectangular air outlet pipe is in butt joint communication with an air outlet pipeline of the axial flow fan, one end, far away from the fan chamber, of the rectangular air outlet pipe is communicated with external atmosphere, a bottom plate of the rectangular air outlet pipe is in a corrugated shape which fluctuates up and down, a round hole is arranged at each upward bulge in a corrugated structure of the bottom plate, and a local low pressure can be formed when air blown out by the axial flow fan flows through the rectangular air outlet pipe, adsorbing light impurities in the cleaning room into the rectangular air outlet pipe, and discharging the light impurities out of the cleaning machine along with airflow in the rectangular air outlet pipe;
the grain conveying assembly comprises a V-shaped collecting plate arranged below the screening assembly and a spiral conveyor arranged in a concave groove of the V-shaped collecting plate, one side of the V-shaped collecting plate is butted with the lower end face of a through hole formed in the partition plate, and the other side of the V-shaped collecting plate is connected with the rack; the power assembly is respectively connected with the screening assembly, the cleaning fan assembly and the grain conveying assembly and used for providing power for the movement of the power assembly.
Preferably, the feeding hopper is of a funnel-shaped structure with an opening at the lower end, and an included angle between the side wall of the feeding hopper and the horizontal plane is 45 degrees.
Preferably, the height of the central axis of the air outlet of the centrifugal fan is lower than that of the central axis of the cylindrical sieve with the largest diameter.
Preferably, the cleaning and sorting machine further comprises a control mechanism arranged on the frame, the control mechanism is electrically connected with the power assembly, the screening assembly, the cleaning fan assembly and the grain conveying assembly and used for regulating and controlling the power assembly to drive the screening assembly, the cleaning fan assembly and the grain conveying assembly to respectively complete the screening, wind power cleaning and grain conveying operations of the oat raw materials.
Preferably, the auger in the grain conveying assembly is arranged along the width of the frame.
Preferably, the number of the cylindrical sieves is three, and the cylindrical sieves are divided into a large cylindrical sieve, a middle cylindrical sieve and a small cylindrical sieve according to the diameter, wherein the heights of the central axes of the large cylindrical sieve, the middle cylindrical sieve and the small cylindrical sieve are sequentially reduced, and the height difference of the central axes of the two adjacent cylindrical sieves in the vertical direction is 70 mm.
Preferably, the diameter of the cylinder of the large cylinder screen is 350mm, the diameter of the cylinder of the middle cylinder screen is 300mm, and the diameter of the cylinder of the small cylinder screen is 250 mm.
Preferably, the multi-section folding lines forming the side wall of the cylindrical screen are formed by alternately connecting a plurality of horizontal lines and a plurality of inclined lines, wherein the included angle between each inclined line and the horizontal plane is 10 degrees.
Preferably, the power assembly comprises two motors, the two motors respectively provide power for the centrifugal fan and the cylindrical screen with the largest diameter, power is transmitted among the cylindrical screens through a belt, and the centrifugal fan also transmits power for the spiral conveyor and the axial flow fan through the belt.
Preferably, the side wall of the cylindrical screen is a woven screen, and two ends of the cylindrical screen are fixedly connected with the rack through bearing seats.
The invention has the beneficial effects that:
1. according to the combined fan type oat cleaner, the cylindrical sieves which are sequentially arranged and have different diameters, the centrifugal fan and the axial flow fan which can be matched with each other are arranged, oat threshed products form a fluffy material layer in an airflow field of a cleaning chamber by utilizing the repeated centrifugal throwing action of the cylindrical sieves, and then multiple combined screens of oat grains and impurities are realized by the mutual matching of the multiple actions through the directional winnowing separation action of the centrifugal fan and the local low-pressure adsorption action generated by the axial flow fan, so that the cleaning quality of finished oat grains is effectively improved. The cleaning and sorting machine has the advantages of reasonable integral structure, ingenious design, compact and small size, high cleaning efficiency, good cleaning and sorting effect, low processing cost and safe and reliable use.
2. According to the combined fan type oat cleaner, the plurality of cylindrical sieves in the screening assembly are respectively provided with different diameters, the side walls of the plurality of cylindrical sieves are all in a wavy shape formed by a plurality of broken lines, and the arrangement mode can effectively increase the effective throwing area of the cylindrical sieves, so that the working efficiency of the cleaner and the screening effect of oats are improved. Meanwhile, in order to avoid the problems that after the side walls of the cylindrical screens are arranged into a wavy structure, the throwing speed of the convex parts of the wavy structure is high, the throwing speed of the concave parts of the wavy structure is low, and further oat threshed objects thrown out of the convex parts are thrown, and the oat threshed objects thrown out of the concave parts cannot reach the next-stage cylindrical screen, the side wall screen surfaces of the plurality of cylindrical screens are matched in a convex-concave-convex mode, so that materials at each part can smoothly enter the next-stage cylindrical screen for further centrifugal screening.
3. The invention relates to a combined fan type oat cleaner, wherein a cleaning fan component consists of a parallel centrifugal fan and an axial flow fan, wherein the parallel centrifugal fan can discharge larger impurities in oat threw-off products thrown out by a cylindrical screen out of the cleaner through an air outlet of a cleaning chamber, and the axial flow fan is matched with a rectangular air outlet pipe to adsorb the smaller impurities floating in the cleaning chamber into the rectangular air outlet pipe through a rectangular air outlet pipe bottom plate with a round hole so as to discharge the smaller impurities out of the cleaner through the rectangular air outlet pipe along with air flow. The light and heavy sundries in the oat material can be better separated through the cooperation of the double fans, so that the oat cleaning effect is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top view of a male-female arrangement of the screen assembly of the present invention;
FIG. 3 is a schematic structural view of the undulating side wall of the cylindrical screen of the present invention;
FIG. 4 is a schematic top view of an axial flow fan according to the present invention;
FIG. 5 is a schematic front view of a rectangular outlet duct base plate according to the present invention;
FIG. 6 is a schematic top view of the structure of the rectangular outlet duct bottom plate according to the present invention;
reference numerals: 1. the device comprises a frame, 2, a feeding hopper, 3, a partition plate, 4, a fan chamber, 5, a cleaning chamber, 6, a cylindrical sieve, 7, a centrifugal fan, 8, an axial flow fan, 801, an air outlet pipeline, 9, a rectangular air outlet pipe, 901, a bottom plate, 10, a round hole, 11, a V-shaped collecting plate, 12 and a spiral conveyor.
Detailed Description
The technical scheme of the invention is further explained in detail by combining the attached drawings:
as shown in the figure, a combination fan formula oat cleaning mill, including frame 1 and feeding funnel 2, screening subassembly, cleaning fan subassembly, seed grain conveying components and the power pack of setting in frame 1, frame 1 be rectangular bodily form frame column structure, at the vertical baffle 3 that is provided with in frame 1's inside, this baffle 3 is on a parallel with rectangular bodily form frame column 1's width limit setting to with the internal partitioning of frame 1 become two cavity spaces of fan room 4 and cleaning room 5, feeding funnel 2 set up in frame 1 that 5 tops of cleaning room correspond, and can be to feeding in the cleaning room 5, the screening subassembly set up in cleaning room 5, the screening subassembly include the level, and a plurality of drum sieves 6 of parallel arrangement each other, a plurality of drum sieves 6 are arranged along the length limit direction that is on a parallel with rectangular bodily form frame column structure frame 1, and a plurality of drum sieves 6 drum diameters diminish in proper order on the direction of arrangement of being close to fan room 4 to keeping away from fan room 4 in proper order The device comprises a feeding hopper 2, a cylindrical sieve 6 with the largest cylinder diameter, a plurality of sieve holes, a plurality of corrugated broken lines and a plurality of corrugated concave-convex directions, wherein the cylindrical sieve 6 with the largest cylinder diameter is arranged right below the feeding hopper 2 and is used for receiving and first-stage screening oat raw materials conveyed by the feeding hopper 2, the side wall of each cylindrical sieve 6 is uniformly provided with a plurality of sieve holes, the side wall of each cylindrical sieve 6 is in a wavy shape formed by a plurality of sections of broken lines along the direction parallel to the axial direction of the cylindrical sieve, the wavy concave-convex directions at the corresponding positions of the side walls of every two adjacent cylindrical sieves 6 are just opposite, and the distance from each point on the side wall of each cylindrical sieve 6 to the side wall of the adjacent cylindrical sieve 6 is the same;
the cleaning fan component comprises a parallel centrifugal fan 7 and an axial flow fan 8, wherein the centrifugal fan 7 is arranged in a fan chamber 4 of the frame 1 and is adjacent to a cylindrical sieve 6 with the largest diameter, an air outlet of the centrifugal fan 7 supplies air to the cleaning chamber 5 through a through hole arranged on the partition plate 3 and is used for carrying out air separation between oat grains and impurities on materials screened out through the sieve holes of the cylindrical sieve 6, the axial flow fan 8 is arranged above the frame 1, a rectangular air outlet pipe 9 is horizontally arranged between the axial flow fan 8 and the frame 1, the rectangular air outlet pipe 9 is arranged right above the cleaning chamber 5, one end, close to the fan chamber 4, of the rectangular air outlet pipe 9 is in butt joint communication with an air outlet pipeline 801 of the axial flow fan 8, one end, far away from the fan chamber 4, of the rectangular air outlet pipe 9 is communicated with external atmosphere, a bottom plate 901 of the rectangular air outlet pipe 9 is in a corrugated shape which fluctuates up and down, each upward bulge in the corrugated structure of the bottom plate 901 is provided with a round hole 10, and the round hole 10 can form local low pressure when gas blown out by the axial flow fan 8 flows through the rectangular air outlet pipe 9, so that light impurities in the cleaning chamber 5 are adsorbed into the rectangular air outlet pipe 9 and are discharged out of the cleaning machine along with airflow in the rectangular air outlet pipe 9;
in the cleaning and sorting machine structure of the application, the air outlet pipeline 801 of the axial flow fan 8 and the rectangular air outlet pipe 9 form a low-pressure air outlet channel together, the low-pressure air outlet channel is integrally arranged above the cleaning and sorting chamber, the corrugated bottom plate 901 of the rectangular air outlet pipe 9 is separated from the cleaning and sorting chamber, the corrugated bottom plate 901 is provided with a round hole 10 at the highest position of the fluctuation bulge, so that light impurities floating in the cleaning and sorting chamber are adsorbed, the air blown out from the circular air outlet pipeline 801 by the axial flow fan 8 is converted into the rectangular air outlet pipe 9 through the air outlet pipeline 801 of the axial flow fan 8, and the air flows out from the end part of the rectangular air outlet pipe 9.
The grain conveying assembly comprises a V-shaped collecting plate 11 arranged below the screening assembly and a spiral conveyor 12 arranged in a concave groove of the V-shaped collecting plate 11, one side of the V-shaped collecting plate 11 is butted with the lower end face of a through hole formed in the partition plate 3, and the other side of the V-shaped collecting plate 11 is connected with the rack 1; through the setting of screening subassembly below V-arrangement collecting plate and auger delivery ware, can realize the better collection and the transport of the oat seed grain after cleaning, prevent to cause blocking phenomenon in cleaning plant to whole cleaning plant's work efficiency has been improved.
The power assembly is respectively connected with the screening assembly, the cleaning fan assembly and the grain conveying assembly and used for providing power for the movement of the power assembly.
Preferably, the feeding hopper 2 is of a funnel-shaped structure with an opening at the lower end, the feeding hopper 2 is formed by welding 1.8-2mm steel plates, the included angle between the side wall of the feeding hopper 2 and the horizontal plane is 45 degrees, and the feeding hopper 2 is fixedly connected with the rack.
Preferably, the height of the central axis of the air outlet of the centrifugal fan 7 is lower than that of the central axis of the cylindrical sieve 6 with the largest diameter.
Preferably, the cleaning and sorting machine further comprises a control mechanism arranged on the frame 1, the control mechanism is electrically connected with the power assembly, the screening assembly, the cleaning fan assembly and the grain conveying assembly and used for regulating and controlling the power assembly to drive the screening assembly, the cleaning fan assembly and the grain conveying assembly to respectively complete the screening, wind power cleaning and grain conveying operations of the oat raw materials.
Preferably, the auger 12 of the grain conveying assembly is arranged along the width of the frame 1. The maximum diameter of the auger 12 is 170mm and the pitch of the auger 12 is 80 mm. The device mainly comprises a transmission shaft and a helical blade, wherein the helical blade is welded on the shaft, and the whole device is arranged at the lower end of a rack and is fixedly connected with the rack through a bearing seat.
Preferably, the number of the cylindrical screens 6 is three, and the cylindrical screens are divided into a large cylindrical screen, a middle cylindrical screen and a small cylindrical screen according to the diameter, wherein the heights of the central axes of the large cylindrical screen, the middle cylindrical screen and the small cylindrical screen are sequentially reduced, and the height difference of the central axes of two adjacent cylindrical screens 6 in the vertical direction is 70 mm. The diameter of the cylinder of the large cylinder screen is 350mm, the diameter of the cylinder of the middle cylinder screen is 300mm, and the diameter of the cylinder of the small cylinder screen is 250 mm. The sieves matched with the large, medium and small cylindrical sieves are woven sieves, the surfaces of the sieves are wavy, and a plurality of sections of broken lines forming the side wall of the cylindrical sieve 6 are formed by alternately connecting a plurality of horizontal lines and a plurality of inclined lines, wherein the included angle between each inclined line and the horizontal plane is 10 degrees. Two ends of each cylindrical screen 6 are fixedly connected with the frame 1 through bearing seats;
preferably, the power assembly comprises two motors, the two motors respectively provide power for the centrifugal fan 7 and the cylindrical screen 6 with the largest diameter, the power is transmitted among the cylindrical screens 6 through a belt, and the centrifugal fan 7 also respectively transmits power for the screw conveyor 12 and the axial flow fan 8 through the belt.
The working principle of the cleaning and sorting machine prepared by the invention is as follows: during operation, oat threshed objects are sent into the cleaner through the feeding hopper, the oat threshed objects smoothly enter a large cylindrical sieve in the screening assembly, then a plurality of cylindrical sieves with the fluctuated and matched side walls throw the oat threshed objects to the upper part of the cleaning chamber through respective rotation, and the side walls are of a wavy cylindrical sieve structure consisting of a plurality of sections of broken lines, so that the throwing area of the cylindrical sieve is increased, and the working efficiency of the cleaner is greatly improved. Meanwhile, the oat cleaner adopts a combination form of a parallel centrifugal fan and an axial flow fan, the parallel centrifugal fan can clean larger impurities out of the oat cleaner along with air flow through the throwing action of a cylindrical sieve, the axial flow fan blows blown air to a rectangular air outlet pipe, a cleaning chamber is arranged below the rectangular air outlet pipe, a bottom plate of the rectangular air outlet pipe is corrugated, and a round hole is formed in the highest point of a corrugated structure. Because the air flow in the rectangular air outlet pipe is unchanged, the flow velocity at the highest point round hole opening of the bottom plate is the largest, the pressure at the highest point round hole opening is the smallest, and light impurities in oat threshed objects floating above the cleaning chamber can be adsorbed by utilizing the local low-pressure effect and are discharged out of the machine through the rectangular air outlet pipe. Because the combined form of the parallel centrifugal fan and the axial flow fan is adopted, the cleaning effect of the oat cleaning and sorting machine can be increased. Secondly, the seeds separated by the combined fan and the cylindrical sieve fall into a seed conveying assembly at the lower end of the frame, and the accumulated seeds are conveyed out of the machine by a screw conveyor. In the process, the suspension speed of the oat grains is different due to the mass difference between the grains and glumes, bran and some light impurities, so that the oat grains are not discharged out of the machine along with the glumes, the bran and the like.

Claims (8)

1.一种组合风机式燕麦清选机，包括机架（1）以及设置在机架（1）上的喂料斗（2）、筛选组件、清选风机组件、籽粒输送组件和动力组件，其特征在于：所述的机架（1）呈长方体形框状结构，在机架（1）的内部竖直设置有一块隔板（3），该隔板（3）平行于长方体形框状结构机架（1）的宽度边设置，以将机架（1）的内部分隔成风机室（4）和清选室（5）两个腔室空间，所述的喂料斗（2）设置在清选室（5）上方对应的机架（1）上，并能够向清选室（5）内进料，所述的筛选组件设置在清选室（5）内，筛选组件包括水平、且相互平行设置的多个圆筒筛（6），多个圆筒筛（6）沿平行于长方体形框状结构机架（1）的长度边方向布置，且多个圆筒筛（6）在靠近风机室（4）至远离风机室（4）的排列方向上圆筒直径依次变小，其中，圆筒直径最大的一个圆筒筛（6）设置在喂料斗（2）的正下方，用于接收和第一级筛选经由喂料斗（2）输送的燕麦原料，每个圆筒筛（6）的侧壁上都均匀开设有多个筛孔，且每个圆筒筛（6）的侧壁在沿平行于其轴向的方向上，均呈由多段折线构成的波浪状，每相邻两个圆筒筛（6）侧壁相对应处的波浪状起伏凹凸方向正好相反，使圆筒筛（6）侧壁上的每一点距离其相邻圆筒筛（6）侧壁的距离均相同，所述构成圆筒筛（6）侧壁的多段折线由多个水平线和多个倾斜线交替连接构成，其中，倾斜线与水平面之间的夹角为10°，所述圆筒筛（6）的个数为三个，按照直径大小分为大圆筒筛、中圆筒筛和小圆筒筛，其中，大圆筒筛、中圆筒筛和小圆筒筛的中轴线高度依次降低，且相邻两个圆筒筛（6）的中轴线在竖直方向上的高度差为70mm；1. A combined fan-type oat cleaning machine, comprising a frame (1) and a feeding hopper (2) arranged on the frame (1), a screening component, a cleaning fan component, a grain conveying component and a power component, wherein It is characterized in that: the frame (1) has a cuboid frame-like structure, and a partition plate (3) is vertically arranged inside the frame (1), and the baffle plate (3) is parallel to the cuboid-shaped frame-shaped structure. The width side of the frame (1) is set to divide the interior of the frame (1) into two chamber spaces, the fan chamber (4) and the cleaning chamber (5). The feeding hopper (2) is set in the cleaning chamber. on the corresponding rack (1) above the selection chamber (5), and can feed into the cleaning chamber (5), the screening assembly is arranged in the cleaning chamber (5), and the screening assembly includes horizontal A plurality of cylindrical sieves (6) arranged in parallel, the plurality of cylindrical sieves (6) are arranged in a direction parallel to the length side of the cuboid-shaped frame-like structure frame (1), and the plurality of cylindrical sieves (6) are close to The diameter of the cylinder decreases in turn from the direction of the fan chamber (4) to the direction away from the fan chamber (4). Among them, the cylinder screen (6) with the largest cylinder diameter is arranged directly below the feeding hopper (2) for Receiving and first-stage screening the oat raw material conveyed through the feeding hopper (2), a plurality of sieve holes are evenly opened on the side wall of each cylindrical screen (6), and the side wall of each cylindrical screen (6) In the direction parallel to its axial direction, it is a wave shape composed of multi-segment broken lines, and the wave-like undulating concave and convex directions at the corresponding side walls of each adjacent two cylindrical screens (6) are just opposite, so that the cylindrical screen (6) The distance between each point on the side wall and the side wall of its adjacent cylindrical screen (6) is the same, and the multi-segment broken lines that constitute the side wall of the cylindrical screen (6) are alternated by a plurality of horizontal lines and a plurality of inclined lines Connection structure, wherein the angle between the inclined line and the horizontal plane is 10°, the number of the cylindrical screen (6) is three, and according to the diameter, it is divided into a large cylindrical screen, a medium cylindrical screen and a small cylindrical screen sieve, wherein the heights of the central axes of the large cylindrical sieve, the middle cylindrical sieve and the small cylindrical sieve decrease in turn, and the height difference between the central axes of the two adjacent cylindrical sieves (6) in the vertical direction is 70mm; 所述的清选风机组件包括离心风机（7）和轴流风机（8），其中，离心风机（7）安装在机架（1）的风机室（4）内，且其出风口通过设置在隔板（3）上的通孔向清选室（5）内供风，用于对经圆筒筛（6）的筛孔筛分出的物料进行燕麦籽粒和杂质之间的风选分离，所述的轴流风机（8）设置在机架（1）的上方，在轴流风机（8）与机架（1）之间还水平设置有一个矩形出风管（9），该矩形出风管（9）安装在清选室（5）的正上方，矩形出风管（9）靠近风机室（4）的一端与轴流风机（8）的出风管道（801）对接连通，矩形出风管（9）远离风机室（4）的一端与外接大气相通，所述矩形出风管（9）的底板（901）呈上下起伏的波纹状，在底板（901）波纹状结构中的每个向上凸起处均开设有圆孔（10），该圆孔（10）部位能够在轴流风机（8）鼓出的气体流经矩形出风管（9）时形成局部低压，将清选室（5）内的轻质杂质吸附至矩形出风管（9）内，并随矩形出风管（9）内的气流排出清选机；The cleaning fan assembly includes a centrifugal fan (7) and an axial flow fan (8), wherein the centrifugal fan (7) is installed in the fan chamber (4) of the rack (1), and the air outlet thereof is arranged through the The through holes on the partition plate (3) supply air to the cleaning chamber (5), and are used for air separation between the oat grains and impurities for the materials sieved through the sieve holes of the cylindrical sieve (6). The axial flow fan (8) is arranged above the frame (1), and a rectangular air outlet pipe (9) is horizontally arranged between the axial flow fan (8) and the frame (1). (9) Installed directly above the cleaning chamber (5), the end of the rectangular air outlet pipe (9) close to the fan chamber (4) is connected to the air outlet duct (801) of the axial flow fan (8), and the rectangular air outlet is connected. One end of the pipe (9) away from the fan chamber (4) is communicated with the external atmosphere, and the bottom plate (901) of the rectangular air outlet pipe (9) is in a corrugated shape up and down. There are round holes (10) at the upward protrusions, and the round holes (10) can form a local low pressure when the gas bulged by the axial fan (8) flows through the rectangular air outlet pipe (9), and the cleaning chamber is removed. The light impurities in (5) are adsorbed into the rectangular air outlet pipe (9), and are discharged from the cleaning machine with the airflow in the rectangular air outlet pipe (9); 所述的籽粒输送组件包括设置在筛选组件下方的V形收集板（11）和安装在V形收集板（11）凹陷槽内的螺旋输送器（12），V形收集板（11）的一侧与隔板（3）上所开设通孔的下端面对接，V形收集板（11）的另一侧与机架（1）连接；所述的动力组件分别与筛选组件、清选风机组件和籽粒输送组件连接，用于为其动作提供动力。The grain conveying assembly includes a V-shaped collecting plate (11) arranged below the screening assembly and a screw conveyor (12) installed in the concave groove of the V-shaped collecting plate (11). The side is in contact with the lower end of the through hole opened on the partition plate (3), and the other side of the V-shaped collecting plate (11) is connected with the frame (1); the power assembly is respectively connected with the screening assembly and the cleaning fan The assembly is connected to the grain conveying assembly for powering its action. 2.根据权利要求1所述的一种组合风机式燕麦清选机，其特征在于：所述的喂料斗（2）呈下端开口的漏斗状结构，且喂料斗（2）的侧壁与水平面之间的夹角为45°。2. A combined fan-type oat cleaning machine according to claim 1, characterized in that: the feeding hopper (2) has a funnel-shaped structure with an open lower end, and the side wall of the feeding hopper (2) is in a horizontal plane. The included angle between them is 45°. 3.根据权利要求1所述的一种组合风机式燕麦清选机，其特征在于：所述离心风机（7）出风口的中轴线高度低于直径最大的圆筒筛（6）的中轴线高度。3. A combined fan-type oat cleaning machine according to claim 1, characterized in that: the height of the central axis of the air outlet of the centrifugal fan (7) is lower than the central axis of the cylindrical screen (6) with the largest diameter high. 4.根据权利要求1所述的一种组合风机式燕麦清选机，其特征在于：所述的清选机还包括设置在机架（1）上的控制机构，该控制机构与动力组件、筛选组件、清选风机组件和籽粒输送组件电连接，用以调控动力组件带动筛选组件、清选风机组件和籽粒输送组件分别完成燕麦原料的筛选、风力清选和籽粒输送作业。4. A combined fan-type oat cleaning machine according to claim 1, characterized in that: the cleaning machine further comprises a control mechanism arranged on the frame (1), the control mechanism and the power assembly, The screening component, the cleaning fan component and the grain conveying component are electrically connected to control the power component to drive the screening component, the cleaning fan component and the grain conveying component to complete the screening, wind cleaning and grain conveying of oat raw materials respectively. 5.根据权利要求1所述的一种组合风机式燕麦清选机，其特征在于：所述籽粒输送组件中的螺旋输送器（12）沿机架（1）的宽度方向布置。5 . The combined fan-type oat cleaning machine according to claim 1 , wherein the screw conveyor ( 12 ) in the grain conveying assembly is arranged along the width direction of the frame ( 1 ). 6 . 6.根据权利要求1所述的一种组合风机式燕麦清选机，其特征在于：所述大圆筒筛的圆筒直径为350mm，中圆筒筛的圆筒直径为300mm，小圆筒筛的圆筒直径为250mm。6. A combined fan type oat cleaning machine according to claim 1, characterized in that: the diameter of the cylinder of the large cylindrical sieve is 350mm, the diameter of the cylinder of the middle cylindrical sieve is 300mm, and the diameter of the small cylindrical sieve is 300mm. The diameter of the cylinder is 250mm. 7.根据权利要求1所述的一种组合风机式燕麦清选机，其特征在于：所述的动力组件包括两个电动机，两个电动机分别为离心风机（7）和直径最大的圆筒筛（6）提供动力，且多个圆筒筛（6）之间通过皮带传递动力，离心风机（7）也通过皮带分别为螺旋输送器（12）和轴流风机（8）传递动力。7. A combined fan-type oat cleaning machine according to claim 1, characterized in that: the power assembly comprises two motors, and the two motors are respectively a centrifugal fan (7) and a cylindrical screen with the largest diameter (6) Power is provided, and the power is transmitted between the plurality of cylindrical screens (6) through the belt, and the centrifugal fan (7) also transmits the power to the screw conveyor (12) and the axial flow fan (8) respectively through the belt. 8.根据权利要求1所述的一种组合风机式燕麦清选机，其特征在于：所述圆筒筛（6）的侧壁均为编织筛，且圆筒筛（6）的两端通过轴承座与机架（1）固定连接。8. A combined fan-type oat cleaning machine according to claim 1, characterized in that: the side walls of the cylindrical screen (6) are all braided screens, and both ends of the cylindrical screen (6) pass through The bearing seat is fixedly connected with the frame (1).
CN201811245511.4A 2018-10-24 2018-10-24 A combined fan type oat cleaning machine Expired - Fee Related CN109261516B (en)

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