CN207560832U - A kind of millet cleaning plant - Google Patents

Abstract

A kind of millet cleaning plant, the cleaning plant includes rack and the feed component being arranged in rack, threshing component, screening component, selection by winnowing component, seed conveying assembly, Power Component and control mechanism, control mechanism is electrically connected with Power Component, threshing component, screening component, selection by winnowing component and seed conveying assembly, to regulate and control threshing, screening, selection by winnowing and the seed conveying operation that Power Component drives threshing component, screening component, selection by winnowing component and seed conveying assembly to be respectively completed millet raw material.The utility model provides a kind of millet cleaning plant, and in a manner that paddy code rubbing roller, centrifugation selection by winnowing, multi-stage oscillating screen choosing etc. effectively coordinate, significantly improve cereal cleans quality.

Description

A kind of millet cleaning plant

Technical field

The utility model is related to cleaning with mechanical equipment technical field for crops cereal, and specifically a kind of millet is clear Screening device.

Background technology

With the continuous improvement of Tendency of Agricultural Machinery in China development level, modern agricultural production increasingly focuses on the harvest of cereal Technology.However, many unnecessary dopants and the more cereal not shelled completely are usually contained in cereal after harvesting, These cereal not shelled completely and dopant not only influence to clean the overall quality of rear cereal, can also cause cereal larger Entrainment loss rate, nor condition and sale conducive to cereal.Therefore, it is necessary to new clean mechanical equipment to paddy by a kind of Object carries out cleaning working process.

Existing conventional grain cleans the basic demand that function meets grain cleaning in the prior art, but also exists and clean The problems such as function is single, technical performance is unstable, process equipment is backward and entrainment loss rate is high, it is impossible to meet China well Actual demand at this stage.

Therefore, it for the biological nature of millet, designs, prepare the paddy that a kind of clever structure, processing cost are low, to clean rate high Sub- cleaning plant is current problem to be solved, to adapt to the demand in market.

Invention content

The technical issues of function is single and entrainment loss is serious is cleaned in order to solve grain cleaner of the prior art, The utility model provides a kind of millet cleaning plant, is effectively matched by paddy code rubbing roller, centrifugation selection by winnowing, multi-stage oscillating screen choosing etc. The mode of conjunction, significantly improve cereal cleans quality.

The utility model is in order to solve the above technical problems, used technical solution is：A kind of millet cleaning plant, this is clear Screening device includes rack and the feed component being arranged in rack, threshing component, screening component, selection by winnowing component, seed conveying Component, Power Component and control mechanism, control mechanism and Power Component, threshing component, screening component, selection by winnowing component and seed are defeated Sending component is electrically connected, and threshing component, screening component, selection by winnowing component and seed conveying assembly difference are driven to regulate and control Power Component Complete threshing, screening, selection by winnowing and the seed conveying operation of millet raw material；

The feed component includes a feeding hopper for being arranged on rack top, and it is mutually flat that threshing component includes central axes Capable drive roll, driven voller and hold-down roller and around the conveyer belt being located on drive roll and driven voller, the axis of the drive roll Angle between plane and vertical direction that the central axes of line and driven voller are formed is 20-30 °, and hold-down roller is arranged on drive roll Between driven voller, and with conveyer belt CONTACT WITH FRICTION, the discharge port of the feeding hopper is arranged on the top of hold-down roller and conveyer belt, Threshing is carried out from the millet raw material that discharge port drops through the extrusion friction between hold-down roller and conveyer belt；

The screening component include be arranged in parallel up and down level-one sieve and two level sieve, level-one sieve and two level sieve with level It is in 5-10 ° of angle between face, and in most significant end and the two level sieve that along the inclined direction of level-one sieve and two level sieve, level-one is sieved Least significant end has upper and lower lap in the vertical direction, and multiple sieve pores are uniformly provided on level-one sieve and two level sieve, And 1.05-1.2 times of a diameter of millet grain size of sieve pore, it is both provided with the double rocking lever mating with it on level-one sieve and two level sieve Mechanism and toggle, for carrying out sieving along the formula of shaking that pushes away of its inclined direction upwards to the material on level-one sieve and two level sieve Choosing；

The selection by winnowing component includes the centrifugal blower being fixed in rack, which is positioned close to level-one sieve most The side of low side, and be in 8-15 ° of angle between its air outlet pipeline and horizontal plane, for the cooperation of screening component to grain and Impurity carries out selection by winnowing separation；

The seed conveying assembly include be arranged on screening component below V-arrangement collecting board and mounted on V-arrangement collecting board Auger conveyor in recessed groove, the side of V-arrangement collecting board and the end bottom plate of centrifugal fan air outlet pipeline are tangent, and V-arrangement The bottom of collecting board, which is located at below the output end of auger conveyor, offers grain outlet.

Preferably, feeding hopper funnel-form with a narrow upper and lower width.

Preferably, between the central axes of the drive roll and the central axes of driven voller are formed plane and vertical direction Angle is 23 °.

Preferably, the angle between the level-one sieve and two level sieve and horizontal plane is 7 °.

Preferably, the angle between the air outlet pipeline and horizontal plane of the centrifugal blower is °.

Preferably, the Power Component includes two motor being electrically connected with control mechanism, two motor difference Power is provided, and centrifugal blower is transmitted by belt with the toggle in screening component and moved for centrifugal blower and drive roll Power passes through belt wheel passing power between drive roll and auger conveyor.

Preferably, level-one sieve is wire gauze sieve, and two level sieve is stamped sieve, and the screen-aperture of wire gauze sieve is grain diameter 1.1-1.2 times, the screen-aperture of stamped sieve is 1.05-1.1 times of grain diameter.

Preferably, the angle of the V-arrangement collecting board is 100-130 °.

The beneficial effects of the utility model：

1st, the millet cleaning plant of the utility model, can be through by the setting of paddy code rubbing roller, multistage sieve plate and centrifugal blower Pushing away for the threshing again of cereal, level-one sieve and two level sieve is realized by the extrusion friction type skidding effect between hold-down roller and conveyer belt The orientation selection by winnowing of formula of shaking multistage screening and centrifugal blower detaches, and multi-step, which cooperates, completes thoroughly cleaning for millet raw material.Dress It is simple, vdiverse in function to put overall structure, cleaning efficiency is high, and stability is good, and entrainment loss rate is low, and finished product millet quality is good, together When, easy to operate, processing cost is low, is suitble to promote the use of.

2nd, the threshing component of the utility model includes drive roll, hold-down roller, driven voller and conveyer belt.Millet remaining passes through with miscellaneous Feeding hopper, which unloads, to be dropped down onto between hold-down roller and conveyer belt, can make to produce between the two because there are skidding effects between hold-down roller and conveyer belt Cereal before giving birth to certain speed difference and then being allowed to without complete threshing carries out threshing again.Pass through the secondary threshing of threshing component Effect can reduce the unnecessary entrainment loss of cereal, and the screening and selection by winnowing operation for the later stage provide preferable basis, also carry High entire cleaner cleans effect.

3rd, the screening component of the utility model includes being respectively provided with wire gauze sieve and the level-one sieve and two level of stamped sieve sieve, and leads to It crosses to upper and lower two layers of vibrating screen using different compass screen surfaces, the cereal easily screened can be made to be sifted out when first passing through level-one sieve, it is more difficult to clear The miscellaneous remaining two level that stamped sieve is carried by lower floor of cereal of choosing is screened, and then pass through two layers of different degrees of screening effect Cereal can be made preferably to be detached with miscellaneous remaining realization.Level-one is sieved and two level sieve is mutually parallel and horizontal by 7 ° of upward angles. The angle can guarantee that cereal inclines with the miscellaneous remaining holding edge under the multiple action of double rocker mechanism, toggle and its own gravity Tilted direction at the uniform velocity continues upward movement, to extend the residence time on sieve, increases the time cycle that cereal is screened, Effect is cleaned so as to improve cereal.

4th, the millet cleaning plant of the utility model, by screening setting for V-arrangement collecting board and auger conveyor below component It puts, it can be achieved that cleaning the preferable of rear grain and collects and convey, prevent the phenomenon that results in blockage in cleaning plant, it is whole so as to improve The working efficiency of a cleaning plant.

Description of the drawings

Fig. 1 is the structural representation front view of the utility model；

Fig. 2 is the structural representation right view of the utility model；

Fig. 3 is the structure diagram of threshing component in the utility model；

Fig. 4 is the structure diagram of auger conveyor in the utility model；

Fig. 5 is the structure diagram that level-one is sieved in the utility model；

Fig. 6 is the structure diagram that two level is sieved in the utility model；

Reference numeral：1st, grain outlet, 2, auger conveyor, 3, centrifugal blower, 4, rack, 5, conveyer belt, 6, feeding hopper, 7, Level-one is sieved, 8, drive roll, 9, hold-down roller, 10, driven voller, 11, V-arrangement collecting board, 12, two level sieve, 13, toggle, 14, Double rocker mechanism.

Specific embodiment

The utility model is described in further detail below in conjunction with the accompanying drawings：

As shown in the figure, a kind of millet cleaning plant, which includes rack 4 and the feeding being arranged in rack 4 Component, threshing component, screening component, selection by winnowing component, seed conveying assembly, Power Component and control mechanism, control mechanism is with moving Power component, threshing component, screening component, selection by winnowing component and the electrical connection of seed conveying assembly, it is de- to regulate and control Power Component drive Grain component, screening component, selection by winnowing component and seed conveying assembly are respectively completed threshing, screening, selection by winnowing and the seed of millet raw material Convey operation；

The feed component includes a feeding hopper 6 for being arranged on 4 top of rack, which is placed on threshing group The top of part drive roll 8, shape are triangular funnel shape wide at the top and narrow at the bottom.Threshing component is arranged on the top of rack, including axis Drive roll 8, driven voller 10 and hold-down roller 9 that line is mutually parallel and around the conveyer belt 5 being located on drive roll 8 and driven voller 10, Angle between plane and vertical direction that the central axes of the drive roll 8 and the central axes of driven voller 10 are formed is 23 °, pressure Tight roller 9 is arranged between drive roll 8 and driven voller 10, and with 5 CONTACT WITH FRICTION of conveyer belt, transmitted by conveyer belt 5 between roller Power, the discharge port of the feeding hopper 6 are arranged on the top of hold-down roller 9 and conveyer belt 5, the millet raw material warp dropped from discharge port Extrusion friction between hold-down roller 9 and conveyer belt 5 carries out threshing, and entire threshing component by bolt by itself small rack with it is big Rack 4 is fixedly connected.

The screening component includes the level-one being arranged in parallel up and down sieve 7 and two level sieve 12, and level-one sieve 7 is sieved for wire gauze sieve Face, two level sieve 12 are stamped sieve compass screen surface, and the screen-aperture of wire gauze sieve is 1.1-1.2 times of grain diameter, the sieve pore hole of stamped sieve 1. 1.05-1.1 times for grain diameter of diameter.Level-one sieve 7 and two level sieve 12 are in 5-10 ° of angle between horizontal plane, and On along the inclined direction of level-one sieve 7 and two level sieve 12, the most significant end of level-one sieve 7 and the least significant end of two level sieve 12 are in the vertical direction With upper and lower lap, multiple sieve pores, and a diameter of paddy of sieve pore are uniformly provided on level-one sieve 7 and two level sieve 12 1.05-1.2 times of seed diameter is both provided with the double rocker mechanism 14 and crank mating with it on level-one sieve 7 and two level sieve 12 Link mechanism 13, for carrying out screening along the formula of shaking that pushes away of its inclined direction upwards to the material on level-one sieve 7 and two level sieve 12；Two Layer screening not by two groups of double rocker mechanisms, two groups of toggles are fixed and power transmission, and double rocker mechanism, Each junction of toggle is connected with rolling bearing to reduce the abrasion to connector, while level-one sieve is placed on The lower section of threshing component, and the material after threshing component threshing is poured onto by a directing plate on the compass screen surface of level-one sieve.Level-one Sieve and two level sieve have a upper and lower lap, level-one sieve is parallel with the compass screen surface that two level is sieved and placement direction is upward and horizontal by It 7 °, is arranged so as to increase screening time of two layers of sieve to cereal, that is, increases the screening effect of cereal.

The selection by winnowing component includes the centrifugal blower 3 being bolted in rack 4, which is arranged on The side of 7 least significant ends is sieved close to level-one, and is in 10 ° of angle between its air outlet pipeline and horizontal plane, for screening component Cooperation carries out selection by winnowing separation to grain and impurity；

The seed conveying assembly includes being arranged on the V-arrangement collecting board 11 below screening component and is collected mounted on V-arrangement Auger conveyor 2 in 11 recessed groove of plate, the side of V-arrangement collecting board 11 and the end bottom plate phase of 3 air outlet pipeline of centrifugal blower It cuts, and the bottom of V-arrangement collecting board 11 is located at below the output end of auger conveyor 2 and offers grain outlet 1.Auger conveyor is set It counts in the lower section of screening component, is welded by helical blade and axis, the side of auger conveyor is communicated with grain outlet 1, is convenient for It will be outside the seed remover that conveyed.

The Power Component includes two motor being electrically connected with control mechanism, and two motor are respectively to centrifuge wind Machine 3 and drive roll 8 provide power, and the drive roll of threshing component imparts power to driven voller by belt, meanwhile, then pass through master Belt wheel on dynamic roller imparts power to the auger conveyor of lower section;Centrifugal blower then imparts power to level-one by belt and sieves The driving link of toggle sieves the vibrations of toggle realization level-one sieve by level-one and its driving link passes power The driving link of the toggle of two level sieve is passed, and then realizes the vibration of two level sieve.

The operation principle of the utility model：

During work, cereal materials are fed by feeding hopper, reach threshing component, due to hold-down roller in threshing component and transmission Skidding effect between band there are speed difference between cereal materials and conveyer belt, is realized by this speed difference to not purifying Cereal carries out secondary threshing.The setting of threshing component can reduce entrainment rate during grain cleaning.By threshing component, treated Cereal kernel, glume and light sundries enter the screening component of lower section via directing plate, pass through two shaking with different compass screen surfaces The oscillation screening different degrees of twice and the mutual cooperation with centrifugal blower that dynamic sieve carries out, can make cereal kernel and glume and Light sundries is effectively separated, and seed is fallen on by sieve pore in the V-arrangement collecting board below screening component, at V-arrangement collecting board center The millet seed of accumulation can be transported to grain outlet by the auger conveyor of setting, and glume and light sundries are under the action of centrifugal blower Outside through impurity discharging port discharge machine, it is achieved thereby that cereal is cleaned.

In watering and separation procedure, there are different floating velocities, the different objects of floating velocity for glume, light sundries and cereal kernel For body when being performed relative motion with air-flow, the airflow acting force being subject to is also different, therefore during design, by the gas velocity of centrifugal blower Degree is set above glume and the floating velocity of light sundries, while less than the floating velocity of cereal kernel, by air-flow to difference The difference of object active force realizes effectively cleaning to cereal kernel.

A kind of millet cleaning plant of the utility model is simple in structure, easy to use, it can be achieved that the secondary threshing of cereal, goes back Effectively screening time of the millet on sieve is extended, and then the screening effect to millet can be improved.The setting of device lower end Seed conveying assembly is equipped with auger conveyor, and then can speed up the seed after cleaning and transport grain discharging opening, prevents clear Result in blockage phenomenon in screening device, so as to improve the working efficiency of entire cleaning plant.

Claims (8)

1. a kind of millet cleaning plant, it is characterised in that：The cleaning plant includes rack（4）And it is arranged on rack（4）On Feed component, threshing component, screening component, selection by winnowing component, seed conveying assembly, Power Component and control mechanism, control mechanism It is electrically connected with Power Component, threshing component, screening component, selection by winnowing component and seed conveying assembly, to regulate and control Power Component band Dynamic threshing component, screening component, selection by winnowing component and seed conveying assembly be respectively completed the threshing of millet raw material, screening, selection by winnowing and Seed conveys operation；

The feed component includes being arranged on rack（4）One feeding hopper on top（6）, it is mutual that threshing component includes central axes Parallel drive roll（8）, driven voller（10）And hold-down roller（9）And around being located at drive roll（8）And driven voller（10）On transmission Band（5）, the drive roll（8）Central axes and driven voller（10）The plane that is formed of central axes and vertical direction between folder Angle is 20-30 °, hold-down roller（9）It is arranged on drive roll（8）And driven voller（10）Between, and and conveyer belt（5）CONTACT WITH FRICTION, institute State feeding hopper（6）Discharge port be arranged on hold-down roller（9）And conveyer belt（5）Top, the millet raw material warp dropped from discharge port Hold-down roller（9）And conveyer belt（5）Between extrusion friction carry out threshing；

The screening component includes the level-one being arranged in parallel up and down sieve（7）It is sieved with two level（12）, level-one sieve（7）It is sieved with two level （12）It is in 5-10 ° of angle between horizontal plane, and is sieved along level-one（7）It is sieved with two level（12）Inclined direction on, level-one Sieve（7）Most significant end and two level sieve（12）Least significant end in the vertical direction have upper and lower lap, the level-one sieve（7） It is sieved with two level（12）On be uniformly provided with multiple sieve pores, and 1.05-1.2 times of a diameter of millet grain size of sieve pore, level-one sieve （7）It is sieved with two level（12）On be both provided with the double rocker mechanism mating with it（14）And toggle（13）, for one Grade sieve（7）It is sieved with two level（12）On material shake formula screening along upward the pushing away of its inclined direction；

The selection by winnowing component includes being fixed on rack（4）On centrifugal blower（3）, the centrifugal blower（3）It is positioned close to one Grade sieve（7）The side of least significant end, and the angle between its air outlet pipeline and horizontal plane in 8-15 °, for matching with screening component It closes and selection by winnowing separation is carried out to grain and impurity；

The seed conveying assembly includes being arranged on the V-arrangement collecting board below screening component（11）With mounted on V-arrangement collecting board （11）Auger conveyor in recessed groove（2）, V-arrangement collecting board（11）Side and centrifugal blower（3）The end of air outlet pipeline Bottom plate is tangent, and V-arrangement collecting board（11）Bottom be located at auger conveyor（2）Output end below offer grain outlet（1）.

2. a kind of millet cleaning plant according to claim 1, it is characterised in that：The feeding hopper（6）It presents under width Narrow funnel-form.

3. a kind of millet cleaning plant according to claim 1, it is characterised in that：The drive roll（8）Central axes and Driven voller（10）The plane that is formed of central axes and vertical direction between angle be 23 °.

4. a kind of millet cleaning plant according to claim 1, it is characterised in that：The level-one sieve（7）It is sieved with two level （12）Angle between horizontal plane is 7 °.

5. a kind of millet cleaning plant according to claim 1, it is characterised in that：The centrifugal blower（3）Air outlet Angle between pipeline and horizontal plane is 10 °.

6. a kind of millet cleaning plant according to claim 1, it is characterised in that：The Power Component includes and control Two motor of mechanism electrical connection, two motor are respectively centrifugal blower（3）And drive roll（8）Power is provided, and is centrifuged Wind turbine（3）With the toggle in screening component（13）Pass through belt passing power, drive roll（8）With auger conveyor （2）Between pass through belt wheel passing power.

7. a kind of millet cleaning plant according to claim 1, it is characterised in that：The level-one sieve（7）For wire gauze sieve, Two level is sieved（12）For stamped sieve, the screen-aperture of wire gauze sieve is 1.1-1.2 times of grain diameter, and the screen-aperture of stamped sieve is paddy 1.05-1.1 times of grain diameter.

8. a kind of millet cleaning plant according to claim 1, it is characterised in that：The V-arrangement collecting board（11）Angle It is 100-130 °.