CN202290579U

CN202290579U - Grain cleaning and sorting machine

Info

Publication number: CN202290579U
Application number: CN2011202913660U
Authority: CN
Inventors: 史照贺; 史万达
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-08-12
Filing date: 2011-08-12
Publication date: 2012-07-04
Anticipated expiration: 2021-08-12

Abstract

The utility model discloses a grain cleaning and sorting machine. An inclined vibrating sieve is arranged in the middle of a bracket; a vibrating motor is fixed on the vibrating sieve; a plurality of wings of vibrating sieve are arranged on an elastic cushion; the elastic cushion is fixed on a pedestal of the bracket; the vibrating sieve has a double-sieve structure comprising an upper layer of coarse sieve and a lower layer of fine sieve; the rear end of the upper part of the upper layer of coarse sieve and the rear end of the lower part of the lower layer of fine sieve are provided with impurity discharge ports respectively; a grain inlet box is arranged at the upper part of the bracket; a grain sorting device for spreading grains uniformly is arranged in the grain inlet box; an inlet of a front dust-collecting box is connected with the grain inlet box; an inlet of a rear dust-collecting box is connected with the rear end of the upper part of the lower layer of fine sieve of the vibrating sieve; an outlet of the front dust-collecting box and an outlet of the rear dust-collecting box are connected with a dust-reducing device; a dust-removing device is arranged at the bottom of the dust-reducing device; and the upper part of the dust-reducing device is connected with a fan and communicated with an air outlet. The grain cleaning and sorting machine has the beneficial effects that: cleaning and sorting are performed completely under the action of two layers of sieves and twice air suction and dust collection; and the impurities do not pass through the fan, so abrasion of blades is greatly reduced and the service life of the fan is prolonged.

Description

The grain cleaner

Technical field

The utility model relates to grain and cleans machinery, further cleans machinery for the grain of automatic screening.

Background technology

In grain purchase and sale warehouse-in process, often need clean grain.The existing machinery of cleaning exists and cleans defectives such as effect is undesirable, particularly because some pneumatic separators designs are unreasonable, as uses disposable exhausting dust suction, has caused the problems such as not thorough of cleaning.Clean with corn and to be example, it is unclear to be prone to cause foreign material to separate with hominy grits.

Simultaneously, blower fan is in the exhausting process, and blower fan is directly taken dust away; A large amount of dust and the fan blade of blower fan bump cause the fan blade wearing and tearing, under the situation of operate as normal; Generally the 1-2 month need change fan blade and related accessory thereof, this had both caused user's burden, had influenced normal production and operation again.

Summary of the invention

The purpose of the utility model is to provide a kind of automaticity height, high efficiency, cleans the automatic sub-sieve cleaner of grain effective, the blower fan long service life.

The purpose of the utility model realizes through following scheme:

Grain cleaner, mid-stent are provided with the vibratory sieve of inclination (inclination angle is generally the 10-25 degree), are fixed with vibrating motor on the vibratory sieve; Some (general four) wing of vibratory sieve is seated on the cushion, and cushion places on the base that is fixed in support; Vibratory sieve is upper strata scalping and lower floor's dusting cover two layer screen structure, and scalping sieve aperture in upper strata is greater than the diameter of the normal conditions the largest particles of cleaning grain, and lower floor's dusting cover sieve aperture is less than the diameter of the normal conditions smallest particles of cleaning grain; The rear end of scalping upper rear end and lower floor dusting cover bottom respectively is provided with impurity discharging port on the upper strata; Be provided with into tanker on the top of support, the case mouth is arranged at into the middle part of tanker (also can be arranged at an into end of tanker as required), advances to be provided with the branch grain device of sharing grain equally in the tanker; It is characterized in that: preceding suction box import connects into tanker; Back suction box import connects lower floor's dusting cover upper rear end of vibratory sieve, and the outlet of preceding suction box is connected dust settler with the outlet of back suction box, and the bottom of dust settler is a dust exhaust; The top of dust settler connects blower fan, and leads to exhaust outlet.

The utility model also can further be realized through following scheme:

Described dust settler and be with the syndeton of blower fan: dust settler is formed and is comprised four spiral dustfall jars; Spiral dustfall jar inlet is affixed on excircle and is rotation inclination under the 10-20 degree angle; The funnel-form that dustfall jar is big up and small down, the bottom of four dustfall jars all connects dust exhaust, above dustfall jar; Be provided with plenum chamber; Four dustfall jars all upwards connect plenum chamber through the discharge that is arranged at central authorities of spiral dustfall jar, and plenum chamber connects blower fan through discharge, and blower fan leads to exhaust duct and the outside waste discharge gas of exhaust outlet.

The structure of described dust exhaust is: dust flue is horizontally set at the bottom of four dustfall jars, connects each dustfall jar, is provided with auger in the dust flue, and an end of dust flue is provided with belt pulley, and the other end connects dust-exhausting port.

The structure of described dust exhaust is: the dust flue of laterally placing, and the end of dust flue connects dust-exhausting port, is provided with auger in the dust flue; One end of dust flue is a dust-exhausting port.

Suction box is arranged at the into rear portion of tanker before described, is vertical placement, and preceding suction box top connects leads the dirt case, and the rear portion of leading the dirt case connects dust guiding tube, connects behind the dust guiding tube to divide the dirt pipe, divides dirt pipe rear portion to connect and closes the dirt case.

Described back suction box is divided into back suction box and following back suction box two parts, and suction box top, last back connects closes the dirt case; The anterior end that connects vibratory sieve of following back suction box; The top of preceding suction box rear portion and back suction box is connected dust settler, and the bottom of dust settler is a dust exhaust, and the top of dust settler connects blower fan, and leads to exhaust outlet.

Described somewhere of leading dirt case or preceding suction box or back suction box is provided with a grate, and grate is made up of rule or irregular nail post.

The structure of described minute grain device is: the identical reverse auger of two segment length is arranged, be used for dividing grain to both sides; It is arranged at the outer end of case and is fixed with guide wheel, and guide wheel connects motor through belt, and motor is fixed in the into outside of tanker.

Gravity flow screen card on the described screen frame (unit), sieve card are divided into two-layer up and down, and place and fixing upper sieve on the upper strata, and lower floor places and fixing lower screen, and foot is the sieve end, and upper sieve and lower screen all can be extracted transposing out; Every layer of sieve all uses sandwich spherical structure, ball in upper sieve or lower screen can with the sieve up-down vibration, thereby can remove obstruction effectively to sieve aperture.

Described minute dirt pipe is two pipes of bifurcated, and dust guiding tube is " Y " font with dividing the dirt pipe, and leading the dirt case is triangle or trapezoidal, and plenum chamber is triangular in shape.

Described plenum chamber is isosceles triangle, and before its drift angle placed, after the base placed, the drift angle below was a blower fan, and blower fan places in the bifurcated of branch dirt pipe.

Suction box rear portion before described can be used for observing or/and suction box rear portion, following back is the transparent material sealing.

Described support bottom is provided with support wheel and deflecting roller.

Describedly advance tanker and be provided with into tanker lid, advance the tanker lid and cover into tanker case mouth at ordinary times.

The utlity model has following beneficial effect: 1, fully automatic feeding, directly grain is delivered to this machine through last grain machine and cleans, automaticity is high; 2, move flexibly.Through airborne motor drives, can realize like a cork that complete machine arbitrarily moves; 3, vibrations are little, and noise is low.The use of cushion and vibrating motor makes the complete machine vibrations little, stable working, and noise is low; 4, clean effective.Under the effect of two layer screen and twice dust suction, can clean comparatively up hill and dale; 5, owing to use dustfall jar, foreign material descend through dustfall jar and precipitate, and foreign material make the wearing and tearing of fan blade greatly alleviate without blower fan, thereby have prolonged the service life of blower fan.General fan blade and related accessory thereof are 1-2 service life.

Description of drawings

Fig. 1 is the utility model master TV structure sketch map;

Fig. 2 is the utility model plan structure sketch map;

Fig. 3 is the utility model Structure of Vibrating Screen sketch map;

Fig. 4 is the utility model left side TV structure sketch map.

Among the figure: 1 for advancing the tanker lid, and 2 for advancing tanker, and 3 for leading the dirt case, and 4 is dust guiding tube, and 5 for dividing the dirt pipe, and 6 is exhaust duct, and 7 is exhaust outlet; 8 is blower fan, and 9 for closing the dirt case, and 10 is peep hole, and 11 is peep hole, and 12 is spiral depositing dust pipe, and 13 is plenum chamber, and 14 is discharge; 15 is dustfall jar, and 16 is last back suction box, and 17 are back suction box down, and 18 be dust flue, and 19 be dust-exhausting port, and 20 is to arrange the grain mouth, and 21 is impurity discharging port A; 22 is deflecting roller, and 23 is impurity discharging port B, and 24 is support wheel, and 25 is support, and 26 is cushion, and 27 is preceding suction box; 28 is guide wheel, and 29 is motor, and 30 is vibrating motor, and 31 is vibratory sieve, and 31-1 is a screen frame (unit), and 31-2 is the sieve card; 31-3 is a upper sieve, and 31-4 is a lower screen, and 31-5 is the sieve end, and 32 is auger, and 33 is peep hole, and 34 is belt pulley.

The specific embodiment

In order to make those skilled in the art person understand the utility model scheme better, and make the above-mentioned purpose of the utility model, feature and advantage can be more obviously understandable, below in conjunction with accompanying drawing and embodiment the utility model done further detailed explanation.

Embodiment 1: shown in Fig. 1-4, support 25 bottoms are provided with support wheel 24 and deflecting roller 22, and support 25 middle parts are provided with the vibratory sieve 31 of inclination, and the inclination angle is the 10-25 degree, is preferably the 12-18 degree, further is preferably the 14-16 degree.Each fixing vibrating motor 30 of the inside and outside both sides of vibratory sieve 31; Inside and outside two wings that respectively are provided with of vibratory sieve 31, wing is seated on the cushion 26, and cushion 26 places on the base, and base is fixed on the support 25; Vibratory sieve 31 is upper strata scalping and lower floor's dusting cover two layer screen structure, and is as shown in Figure 3, and screen frame (unit) 31-1 goes up gravity flow screen card 31-2; Sieve card 31-2 is divided into two-layer up and down; Place and fixing upper sieve 31-3 on the upper strata, and lower floor places and fixing lower screen 31-4, and foot is sieve end 31-5; Upper sieve 31-3 and lower screen 31-4 all can extract transposing out, so that adapt to cleaning of different grain; High both sides were low in the middle of upper sieve 31-3 and lower screen 31-4 all appeared longitudinally, thereby made final foreign material concentrate on a side of rear end, so that discharge; Every layer of sieve all uses sandwich spherical structure, and every layer of sieve all uses the sandwich spherical structure of multiple layer, and ball can be with the sieve up-down vibration in upper sieve or lower screen, thereby can remove the obstruction to sieve aperture effectively.Upper strata scalping sieve aperture is bigger, and the diameter greater than the normal conditions the largest particles of cleaning grain is used to sieve bigger foreign material, and lower floor's dusting cover sieve aperture is less, and the diameter less than the normal conditions smallest particles of cleaning grain is used to sieve less foreign material.The rear portion of scalping is provided with impurity discharging port A21 on the upper strata, can discharge bigger foreign material such as corncob; Be communicated with back suction box 17 down at the rear portion on lower floor dusting cover top, and final guiding row's grain mouth 20, be provided with impurity discharging port B23, can discharge tiny heavier foreign material such as hominy grits at the rear portion of lower floor dusting cover bottom.Following back suction box 17 is provided with air door, and it is regulated being arranged at a side, is used to regulate wind-force.Impurity discharging port A21 and impurity discharging port B23 are provided with wind-blocking board, and wind-blocking board is movably connected on impurity discharging port A21 and impurity discharging port B23 through loose-leaf, under the gravity effect, as much as possible with the impurity discharging port capping, avoid impurity discharging port to open the influence to wind-force.

Be provided with into tanker 2 on the top of support 25; Advance tanker 2 and be provided with into tanker lid 1, advance tanker and cover 1 and cover into 2 casees mouths of tanker when flat, the case mouth is arranged at the into middle part of tanker 2; Advance to be provided with in the tanker 2 the identical coaxial reverse auger 32 of two segment length; It is arranged at the outer end of case and is fixed with guide wheel 28, and guide wheel 28 connects motor 29 through belt, and motor 29 is fixed in the into outside of tanker 2; Through the rotation of reverse auger 32, can divide grain to both sides; Preceding suction box 27 places the into rear portion of tanker 2, is vertical placement; Tanker 2 is advanced in preceding suction box 27 anterior connections, and the rear portion is the transparent material sealing, can be used for observing; Spread out equal grain and get into preceding suction box 27, and flow to vibratory sieve 31 downwards, in dirty process, light weight sundries is wherein siphoned away, and preceding suction box 27 tops connect leads dirt case 3; Advance tanker 2 center one grate be set, grate by the rule or irregular grid and the nail post form; Grate does not hinder grain by the work of advancing tanker 2 to auger 32; Grate is used to clear up bar, band, line class foreign material; Lead dirt case 3 and be triangular shape (or trapezoidal); The rear portion of leading dirt case 3 connects dust guiding tube 4, and dust guiding tube 4 backs connect divides dirt pipe 5, and dividing dirt pipe 5 is two pipes of bifurcated; Dust guiding tube 4 is " Y " font with dividing dirt pipe 5; Divide dirt pipe 5 rear portions to connect and close dirt case 9, the two ends of closing dirt case 9 are provided with peep hole 10, are used for observing in case of necessity and clearing up foreign material; Close dirt case 9 backs and connect four spiral depositing dust pipes 12, spiral depositing dust pipe 12 bottoms connect dustfall jar 15 separately respectively, and the inclined angle alpha of spiral depositing dust pipe is the 10-20 degree, is preferably the 12-18 degree.The funnel-form that dustfall jar 15 is big up and small down, the equal connection horizontal in the bottom of four dustfall jars 15 is to the dust flue of placing 18, and a side of dust flue 18 is provided with belt pulley 34, through driven by motor; The end of dust flue 18 connects dust-exhausting port 19, is provided with auger in the dust flue 18, is used for pushing foreign material to dust-exhausting port 19; Above dustfall jar 15, be provided with plenum chamber 13, plenum chamber 13 is triangular shape, and plenum chamber 13 is provided with peep hole 11, is used for observing in case of necessity and clearing up foreign material; Four dustfall jars 15 all through be arranged at 12 of spiral depositing dust pipes around central discharge 14 connect plenum chambers 13, plenum chamber 13 connects blower fans 8 through discharge 14, blower fan 8 leads to exhaust duct 6, and through exhaust outlet 7 outside waste discharge gas.The top of dustfall jar 15 bottoms, dust flue 18 is provided with peep hole 33, is used for observing in case of necessity and clearing up foreign material.

Because dustfall jar's 15 big up and small down funnel-forms; Because the increase suddenly in space (increasing surplus times of several times to ten); According to fluid mechanics principle, the speed rapid drawdown (being original part to tens/one) of air and entrained light dirt thereof is under the effect of the pipeline that gravity and spiral depositing dust pipe 12 formed spirals descend; The light dirt that is adsorbed descends in the shape of a spiral, reduces in the dust flue 18 of bottommost.

Back suction box is divided into back suction box 16 and following back suction box 17; Last back suction box 16 (or trapezoidal) triangular in shape, following back suction box 17 is rectangular; The top of suction box 17 connects upward back suction box 16 after following, and dirt case 9 is closed in suction box 16 connections of last back, and suction box 17 front portions, following back connect the ends of vibratory sieves, and the rear portion is the transparent material sealing, can be used for observation; Suction box 17 lower ends, following back connect row's grain mouth 20.Like this, after dust suction, grain is further purified the grain of discharging through vibratory sieve 31 again.

For ease of walking, can be on this machine fitting machine live motivation, airborne motor driven support wheel 24 through airborne motor drives, can realize like a cork that complete machine arbitrarily moves.

Be provided with rotating disk (automobile trailer rotating disk) in support 25 lower rear, rotating disk divides two parts, and promptly the circuit orbit seat of bottom cooperates with the bearing on top and is rotated.Rotating disk instead deflecting roller 22 is to realize turning to of this machine easily.

The above; Be merely the specific embodiment of the utility model; But the protection domain of the utility model is not limited thereto; Any technical staff who is familiar with the present technique field is in the technical scope that the utility model discloses, and the variation that can expect easily or replacement all should be encompassed within the protection domain of the utility model.

Claims

1. grain cleaner, mid-stent is provided with the vibratory sieve of inclination, is fixed with vibrating motor on the vibratory sieve; Some wings of vibratory sieve are seated on the cushion, and cushion places on the base that is fixed in support; Vibratory sieve is upper strata scalping and lower floor's dusting cover two layer screen structure, and the rear end of scalping upper rear end and lower floor dusting cover bottom respectively is provided with impurity discharging port on the upper strata; Be provided with into tanker on the top of support, advance to be provided with the branch grain device of sharing grain equally in the tanker; It is characterized in that: preceding suction box import connects into tanker; Back suction box import connects lower floor's dusting cover upper rear end of vibratory sieve, and the outlet of preceding suction box is connected dust settler with the outlet of back suction box, and the bottom of dust settler is a dust exhaust; The top of dust settler connects blower fan, and leads to exhaust outlet.

2. grain cleaner according to claim 1; It is characterized in that: said dust settler and be with the syndeton of blower fan: dust settler is formed and is comprised four spiral dustfall jars, and spiral dustfall jar inlet is affixed on excircle and is rotation inclination 10-20 degree angle under, the funnel-form that dustfall jar is big up and small down; The bottom of four dustfall jars all connects dust exhaust; Above dustfall jar, be provided with plenum chamber, four dustfall jars all upwards connect plenum chamber through the discharge that is arranged at central authorities of spiral dustfall jar; Plenum chamber connects blower fan through discharge, and blower fan leads to exhaust duct and the outside waste discharge gas of exhaust outlet.

3. grain cleaner according to claim 1 and 2; It is characterized in that: the structure of said dust exhaust is: dust flue is horizontally set at the bottom of four dustfall jars, connects each dustfall jar, is provided with auger in the dust flue; One end of dust flue is provided with belt pulley, and the other end connects dust-exhausting port.

4. grain cleaner according to claim 1 is characterized in that: suction box is arranged at the into rear portion of tanker before said, is vertical placement; Preceding suction box top connects leads the dirt case; The rear portion of leading the dirt case connects dust guiding tube, connects behind the dust guiding tube to divide the dirt pipe, divides dirt pipe rear portion to connect and closes the dirt case.

5. grain cleaner according to claim 1 is characterized in that: said back suction box is divided into back suction box and following back suction box two parts, and suction box top, last back connects closes the dirt case; The anterior end that connects vibratory sieve of following back suction box; The top of preceding suction box rear portion and back suction box is connected dust settler, and the bottom of dust settler is a dust exhaust, and the top of dust settler connects blower fan, and leads to exhaust outlet.

6. according to claim 1 or 4 described grain cleaners, it is characterized in that: saidly advance the tanker center one grate is set, grate is made up of the grid and the nail post of rule.

7. grain cleaner according to claim 1 is characterized in that: the structure of said minute grain device is: the identical coaxial reverse auger of two segment length is arranged, be used for dividing grain to both sides; It is arranged at the outer end of case and is fixed with guide wheel, and guide wheel connects motor through belt, and motor is fixed in the into outside of tanker.

8. according to claim 1 or 5 described grain cleaners; It is characterized in that: the structure of said vibratory sieve is: gravity flow screen card on the screen frame (unit); Sieve card is divided into two-layer up and down, and place and fixing upper sieve on the upper strata, and lower floor places and fixing lower screen; Foot is the sieve end, and upper sieve and lower screen all can be extracted transposing out; Every layer of sieve all uses the sandwich spherical structure of multiple layer, and ball can be with the sieve up-down vibration in upper sieve or lower screen.

9. grain cleaner according to claim 4 is characterized in that: said minute dirt pipe is two pipes of bifurcated, and dust guiding tube is " Y " font with dividing the dirt pipe, and leading the dirt case is triangle or trapezoidal, and plenum chamber is triangular in shape.

10. grain cleaner according to claim 9 is characterized in that: said plenum chamber is isosceles triangle, and before its drift angle placed, after the base placed, the drift angle below was a blower fan, and blower fan places in the bifurcated of branch dirt pipe.