CN202262269U

CN202262269U - Double sieve wheat thresher selection machine

Info

Publication number: CN202262269U
Application number: CN2011203281846U
Authority: CN
Inventors: 吾拉木·阿卜杜克热木
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-09-02
Filing date: 2011-09-02
Publication date: 2012-06-06
Anticipated expiration: 2021-09-02

Abstract

The utility model relates to a grain threshing and cleaning machine in agricultural machinery, in particular to a double-sieve wheat threshing and selecting machine. In the screening and separating process of the currently known wheat threshing and sorting machine, a part of wheat grains are still brought out from a straw outlet, the separation of the wheat grains and the straws is not thorough, and the wheat grains are mixed with a plurality of broken straws and glumes and are unfortunately discarded and troublesome to select. The utility model discloses a frame and the feeding platform of setting in the frame, smash threshing warehouse, selection by winnowing mechanism, two sieve selection by winnowing mechanisms of vibration, screw feeder conveyer, the feeding platform setting of saying is in smashing the threshing warehouse side, and it is equipped with selection by winnowing mechanism to smash the threshing warehouse lower part, and selection by winnowing mechanism lower part is equipped with two sieve selection by winnowing mechanisms of vibration, and two sieve selection by winnowing mechanism lower parts of vibration are equipped with the screw feeder conveyer. The utility model discloses compact structure, dynamic parameter reasonable in design, the organism is little, and the reliability is high, low in cost, wheat and straw powder clean separation, no air pollution, wheat bagging-off are very convenient, and the individual peasant household of being convenient for uses.

Description

Two sieve wheat threshing cleaners

Technical field

The utility model relates to the grain threshing in a kind of agricultural machinery and cleans machinery, is a grow wheat threshing cleaner specifically.

Background technology

The present known wheat threshing cleaner course of work is: wheat gets into threshing bin from spout, and the straw after the processing blows out outside the storehouse through the outlet of straw material, and wheat, wheat residual current separate to the enterprising row filter of the plansifter that shakes; But in the screening and separating process, still some wheat can be taken out of from the stalk outlet; Wheat is thorough inadequately with separating of straw; These wheats mix stalk and the clever chaff that many fragmentations are arranged, and hesitate to discard, and select bothersome.In addition; Shake out at the first secondary sieve that goes out on the mouth of a valley that the straw material that do not purified on the plansifter and dust puts from the frame peripheral hardware with wheat that shakes; Through secondary sieve the shake choosing and the blowing of secondary fan blower, straw material and stirring up a cloud of dust causes serious air pollution; Directly endanger health of operators, influence the environment in threshing ground; And secondary sieve compass screen surface is less, and separating of straw material and dust is thorough inadequately, and wheat grains screening is not very clean.In addition, it is overhead very near to go out the mouth of a valley, and the cereal pack is very inconvenient, increases labour intensity virtually.

Summary of the invention

The purpose of the utility model is to overcome the shortcoming of existing wheat threshing cleaner, a kind of two sieve wheat threshing cleaner is provided, compact conformation; Body is little, and is in light weight, cheap; Manipulate and convenient in carrying, the power of adapted is little, and wheat separates with powder of straw totally; No air pollution, cereal pack easily are convenient to the self-employed farmer and are used.

The purpose of the utility model is to realize through following technical scheme:

A kind of can with two sieve wheat threshing cleaners of tractor, comprise frame and be arranged on feed table on the frame, pulverize threshing bin, pneumatic separator, the two sieve of vibration pneumatic separator, screw feeder conveyers.Said feed table is arranged on pulverizes the threshing bin side, pulverizes the threshing bin bottom and is provided with pneumatic separator, and the pneumatic separator bottom is provided with the two sieve of vibration pneumatic separator, and the two sieve of vibration pneumatic separator bottom is provided with the screw feeder conveyer.

Said feed table is fixed on the frame; The spout place of feed table is provided with flexible tooth harrow conveying roller; Conveying roller surface the right and left is provided with entad helical blade in the opposite direction, and entad helical blade is pushed the wheat of spout to flexible tooth harrow place, centre, and conveying roller is through carrying roll shaft and bearing fixing on feed table; Carry the roll shaft front end to be equipped with and feed running roller, feed running roller and connect with the brief biography driving wheel through belt.

The broken careless roller of wheat threshing is housed in the said pulverizing threshing bin; Be welded with many row's grass-smashing reamers on the broken careless roller surface; Broken careless roll shaft passes through bearing fixing on frame; The belt pulley of broken careless roll shaft rear end is connected with big fan blower trailing wheel with large drive wheel respectively through belt, and the belt pulley of broken careless roll shaft front end is connected with vibrating wheels with vertical screw feeder wheel, little drive respectively through belt; Be provided with the semicircle cover cap above pulverizing threshing bin, pulverize space in the threshing bin for increasing, the center of circle of semicircle cover cap and the broken careless roll shaft heart up depart from certain distance; Place, semicircle cover cap left side is hinged with frame; Semicircle cover cap right side place is provided with adjustment (adjusting) lever, pulverizes in the threshing bin the more and extruding of little wheat stalk and makes that broken careless roller is painstaking to be changeed when motionless, opens by semicircle cover cap right side with pulling down the adjusting lever handle; Increase and pulverize the threshing bin space, little wheat stalk is made broken careless roller recover running by loose; Be fixed with the semicircle screen cloth below the pulverizing threshing bin, semicircle screen cloth bottom is provided with the left and right sides swash plate of pneumatic separator, is pulverized the tangerine material and the wheat of also threshing by grass-smashing reamer and falls on the swash plate of the left and right sides through the semicircle screen cloth.

Said pneumatic separator is made up of left and right sides swash plate, big fan blower, discharging road, and left and right sides swash plate is located at semicircle screen cloth bottom, and is fixed on the frame, fall that tangerine on the swash plate of the left and right sides is expected and wheat swash plate falls in the air separating bin along the left and right sides; Right swash plate bottom is provided with big fan blower; Big fan blower is fixed on the frame, and big fan blower front-wheel drives little wind wheel through belt and rotates, and the air outlet of big fan blower is aimed on the discharging road; Be to blow through wheat and the past discharging road of tangerine material direction that wind-force will come off; The tangerine material that weight is lighter is blown to the machine place through the discharging road, and the heavier wheat of weight is fallen on two compass screen surfaces, realizes the sorting of wheat and tangerine material; Swash plate bottom, a left side is provided with the discharging road, part and machine exterior portions in the discharging road extension set, and part is fixed on the frame in the machine; Machine exterior portions and frame are hinged, and for the wind-force of not allowing fan blower blows out with the straw material a part of wheat from the discharging road, discharging road entrance point is provided with fender plate; Fender plate is made up of baffle plate and handle; Baffle plate is arranged on entrance point place, discharging road in the frame, and handle is arranged on outside the frame, controls the wheat of being taken out of in the straw material through the handle controllable register.

The two sieve of said vibration pneumatic separators are made up of the two sieves of vibration, air channel and small blower, and wherein the two sieves of vibration are two-layer screen clothes up and down, and the top sieve sieve aperture is bigger than sieving sieve aperture down; Be provided with swash plate below the two sieves of vibration, the swash plate feed opening is aimed on the horizontal screw feeder groove, two sieves of vibration and swash plate integral production; The two sieves of vibration connect with eccentric wheel through connecting rod on one side; Vibrating wheels is installed on the eccentric wheel wheel shaft and passes through bearing fixing on frame, the two sieve of vibration another sides are by pulley support, and pulley places on the slideway; Slideway is fixed on the frame, and vibrating wheels and eccentric wheel rotate and drive the vibration back and forth on slideway of the two sieves of vibration synchronously; The air channel is the spill housing that surrounds the two sieves of vibration, is fixed on the frame, and air duct slope is connected with horizontal screw feeder groove; Small blower is fixed on the following frame of the two sieves of vibration; Small blower blowing mouth bottom surface is connected with horizontal screw feeder groove; The small blower blade shaft is equipped with little wind wheel and passes through bearing fixing on frame, and the small blower blowing mouth is aimed on the wind passage mouth, is through wind-force wheat further to be cleaned out.

For the pack of wheat is provided convenience, save the labour, be provided with the screw feeder conveyer; Said screw feeder conveyer comprises horizontal screw feeder and vertical screw feeder; Wherein laterally screw feeder is that the wheat of falling in the horizontal screw feeder groove is transported to the helical blade on the vertical screw feeder, and laterally the screw feeder groove is semicircle Baltimore groove, is fixed on the frame; Be fixed with horizontal screw feeder wheel on the screw conveyor shaft, laterally the screw feeder wheel connects with large drive wheel through chain; Vertical screw feeder is to be transported to the helical blade that wheat in the vertical screw feeder is transported to discharge barrel, and it is made up of screw feeder, discharge barrel, and vertical screw feeder is on the fixed frame; Vertical screw feeder lower end connects with horizontal screw feeder, and vertical screw feeder upper end is provided with discharge barrel, is fixed with driven bevel gear on the screw conveyor shaft; Driven bevel gear and initiatively conical gear engagement; Initiatively conical gear is fixed on the vertical screw feeder wheel, and vertical screw feeder wheel is fixed on the frame, and wheat rises to discharge barrel through screw feeder and falls in the sack.

During work, external power drives the complete machine running through large drive wheel, and complete machine gets into duty.Send into wheat from spout; Wheat is harrowed in the pulverizing threshing bin through the flexible tooth harrow of conveying roller; In pulverizing threshing bin, pulverize threshing, wheat tangerine material and wheat after the pulverizing threshing are fallen left and right sides swash plate through the semicircle screen cloth, and the right swash plate that keeps left down slides in the air separating bin; Wind-force through main blower in air separating bin blows wheat and tangerine bar material and dust outward; Straw material and dust that weight is lighter are blown to the machine place, and the heavier wheat of weight continues to fall on the two sieves of vibration and carries out sorting, and the straw material foreign material that volume is bigger are not filtered and be pushed to outside the sieve by two screenings; Crossing two wheats that sieve and straw material crushed material and dust is blown by small blower again outward; Wherein the straw material crushed material of lighter weight and dust are blown to outside the machine, and the heavier wheat of quality is done the secondary cleaning through small blower and got in the horizontal screw feeder groove by the inclined-plane, and wheat can be packed in packing into bag through the screw feeder conveyer.

The advantage of the utility model is:

The utility model compact conformation, kinetic parameter is reasonable in design, and body is little, and is in light weight, and reliability is high; Economical and practical, cheap, to manipulate and convenient in carrying, the power of adapted is little; Wheat separates with powder of straw totally, and no air pollution, wheat pack easily are convenient to the self-employed farmer and are used.

Description of drawings:

Fig. 1 is the work sketch map of the utility model;

Fig. 2 is the complete machine structure end view of the utility model;

Fig. 3 is the main TV structure sketch map of the utility model.

Embodiment

Like Fig. 1, Fig. 2, shown in Figure 3, the utility model comprises frame (1) and is arranged on feed table (5), pulverizing threshing bin, pneumatic separator, the two sieve of vibration pneumatic separator, the screw feeder conveyers on the frame (1).Said feed table (5) is arranged on pulverizes the threshing bin side, pulverizes the threshing bin bottom and is provided with pneumatic separator, and the pneumatic separator bottom is provided with the two sieve of vibration pneumatic separator, and the two sieve of vibration pneumatic separator bottom is provided with the screw feeder conveyer.

Said feed table (5) is fixed on the frame (1); The spout place of feed table (5) is provided with flexible tooth harrow (7) conveying roller (6); The surperficial the right and left of conveying roller (6) is provided with entad helical blade (9) in the opposite direction; Entad helical blade (9) is located the wheat of spout to push to the flexible tooth harrow (7) in centre; Conveying roller (6) is carried the roll shaft front end to be equipped with and is fed running roller (30) through carrying roll shaft and bearing fixing on feed table (5), feeds running roller (30) and connects with little drive (32) through belt (31).

The broken careless roller of wheat threshing (4) is housed in the said pulverizing threshing bin; Be welded with many row's grass-smashing reamers (2) on broken careless roller (4) surface; Broken careless roll shaft passes through bearing fixing on frame; The belt pulley (50) of broken careless roll shaft rear end is connected with big fan blower trailing wheel (47) with large drive wheel (46) respectively through belt (48,49), and the belt pulley of broken careless roll shaft front end (28) is connected with vibrating wheels (35) with vertical screw feeder wheel (43), little drive (32) respectively through belt (27,29,37); Be provided with semicircle cover cap (3) above pulverizing threshing bin; Pulverize space in the threshing bin for increasing; The center of circle of semicircle cover cap (3) and the broken careless roll shaft heart up depart from certain distance, and place, semicircle cover cap (3) left side is hinged with frame (1), and place, semicircle cover cap (3) right side is provided with adjustment (adjusting) lever (8); Pulverize in the threshing bin the more and extruding of little wheat stalk when making broken careless roller (4) change motionless painstakingly; Open by semicircle cover cap (3) right side with pulling down adjustment (adjusting) lever (8) handle, increase and pulverize the threshing bin space, little wheat stalk is recovered running by the loose broken careless roller (4) that makes; Be fixed with semicircle screen cloth (10) below the pulverizing threshing bin; Semicircle screen cloth (10) bottom is provided with the left and right sides swash plate (11,12) of pneumatic separator, is pulverized the tangerine material and the wheat of also threshing by grass-smashing reamer (2) and falls on the left and right sides swash plate (11,12) through semicircle screen cloth (10).

Said pneumatic separator is made up of left and right sides swash plate (11,12), big fan blower (13), discharging road (14); Left and right sides swash plate (11,12) is located at semicircle screen cloth (10) bottom; And be fixed on the frame (1), swash plate (11,12) falls in the air separating bin along the left and right sides to fall tangerine material and wheat on the left and right sides swash plate (11,12); Right swash plate (12) bottom is provided with big fan blower (13); Big fan blower (13) is fixed on the frame (1); Big fan blower (13) front-wheel (33) drives little wind wheel (36) through belt (34) and rotates; The air outlet of big fan blower (13) is aimed on the discharging road (14), is to blow through wheat and the past discharging road (14) of tangerine material direction that wind-force will come off, and the tangerine material that weight is lighter is blown to the machine place through discharging road (14); The heavier wheat of weight is fallen on two sieve (23) faces, realizes the sorting of wheat and tangerine material; Swash plate (11) bottom, a left side is provided with discharging road (14); Part and machine exterior portions in discharging road (14) extension set, part is fixed on the frame (1) in the machine, and machine exterior portions and frame (1) are hinged; For the wind-force of not allowing fan blower (13) blows out with the straw material a part of wheat from discharging road (14); Discharging road (14) entrance point is provided with fender plate, and fender plate is made up of baffle plate (15) and handle (38), and baffle plate (15) is arranged on entrance point place, frame (1) interior discharging road (14); Handle (38) is arranged on outside the frame (1), controls the wheat of being taken out of in the straw material through handle (38) controllable register (15).

The two sieve of said vibration pneumatic separator is made up of the two sieves of vibration (23), air channel (24) and small blower (18); Wherein the two sieves of vibration (23) are two-layer screen clothes up and down; The top sieve sieve aperture is than the sieve sieve aperture is big down; Be provided with swash plate (20) below the two sieves of vibration (23), swash plate (20) feed opening is aimed on the horizontal screw feeder groove (22), the two sieve of vibration (23) and swash plate (20) integral production; The two sieves of vibration (23) connect with eccentric wheel (16) through connecting rod (17) on one side; Vibrating wheels (35) is installed on eccentric wheel (16) wheel shaft and passes through bearing fixing on frame (1), the two sieve of vibration (23) another sides are supported by pulley (26), and pulley (26) places on the slideway (25); Slideway (25) is fixed on the frame (1), and the two sieves of vibration (23) vibration back and forth on slideway (25) is rotated and driven to vibrating wheels (35) synchronously with eccentric wheel (16); Air channel (24) is the spill housing that surrounds the two sieves of vibration (23), is fixed on the frame (1), and inclined-plane, air channel (24) is connected with horizontal screw feeder groove (22); Small blower (18) is fixed on the following frame (1) of the two sieves of vibration (23); Small blower (18) blowing mouth bottom surface is connected with horizontal screw feeder groove (22); Small blower (18) blade shaft (19) is equipped with little wind wheel (36) and passes through bearing fixing on frame (1); Small blower (18) blowing mouth is aimed on the mouth of air channel (24), is through wind-force wheat further to be cleaned out.

For the pack of wheat is provided convenience; Save the labour; Be provided with the screw feeder conveyer, said screw feeder conveyer comprises horizontal screw feeder (21) and vertical screw feeder, and wherein laterally screw feeder (21) is that the wheat of falling horizontal screw feeder groove (22) lining is transported to the helical blade on the vertical screw feeder; Laterally screw feeder groove (22) is semicircle Baltimore groove; Be fixed on the frame (1), be fixed with horizontal screw feeder wheel (44) on the screw conveyor shaft, laterally screw feeder wheel (44) connects with large drive wheel (46) through chain (45); Vertical screw feeder is the helical blade that the wheat that is transported to vertical screw feeder (39) lining is transported to discharge barrel (40); It is made up of screw feeder (39), discharge barrel (40); Vertical screw feeder (39) is on the fixed frame (1); Vertical screw feeder (39) lower end connects with horizontal screw feeder (21), and vertical screw feeder (39) upper end is provided with discharge barrel (40), is fixed with driven bevel gear (41) on the screw conveyor shaft; Driven bevel gear (41) and initiatively conical gear (42) engagement; Initiatively conical gear (42) is fixed on the vertical screw feeder wheel (43), and vertical screw feeder wheel (43) is fixed on the frame (1), and wheat rises to discharge barrel (40) through screw feeder and falls in the sack.

Above technical characterictic has constituted the most preferred embodiment of the utility model, and it has stronger adaptability and best implementation result, can increase and decrease inessential technical characterictic according to actual needs, satisfies the needs of different situations.

Claims

1. A double-sieve wheat threshing and selecting machine, including a frame (1) and a feeding platform (5) arranged on the frame (1), a crushing and threshing bin, an air separation mechanism, a vibrating double-sieve air separation mechanism, The auger conveyor is characterized in that: the said feeding platform (5) is set on the side of the crushing and threshing bin, the lower part of the crushing and threshing bin is equipped with a winnowing mechanism, and the lower part of the winnowing mechanism is equipped with a vibrating double-sieve winnowing mechanism. The lower part of the sieve air separation mechanism is equipped with an auger conveyor.

2. The double-sieve wheat threshing and selecting machine according to claim 1, characterized in that: said feeding platform (5) is fixed on the frame (1), and the feeding port of feeding platform (5) is There are telescopic rakes (7) and conveying rollers (6). The left and right sides of the surface of the conveying rollers (6) are provided with centripetal spiral blades (9) in opposite directions. The centripetal spiral blades (9) move the wheat from the feeding port to the middle The retractable rake (7) pushes, and the conveying roller (6) is fixed on the feeding table (5) through the conveying roller shaft and bearings. The feeding roller (30) is installed at the front end of the conveying roller shaft, and the feeding roller (30) Connect with small driving wheel (32) by belt (31).

3. The double-sieve wheat threshing and concentrating machine according to claim 1, characterized in that: said crushing and threshing bin is equipped with wheat threshing and grass-breaking rollers (4), and there are multiple rows of grass-breaking rollers (4) welded on the surface Grass-breaking cutter (2), the grass-breaking roller shaft is fixed on the frame by bearings, and the pulley (50) at the rear end of the grass-breaking roller shaft is respectively connected with the large transmission wheel (46) and the large blower rear wheel ( 47) connection, the pulley (28) at the front end of the grass crushing roller shaft is respectively connected with the vertical auger wheel (43), the small transmission wheel (32) and the vibrating wheel (35) through the belts (27, 29, 37); There is a semi-circular cover (3) on the top of the warehouse, the center of the semi-circular cover (3) deviates from the axis of the grass breaking roller by a certain distance, the left side of the semi-circular cover (3) is hinged with the frame (1), and the semi-circular cover (3) The right side of the cover (3) is provided with an adjustment lever (8); a semicircular screen (10) is fixed below the crushing and threshing bin, and the left and right inclined plates (11, 12) of the winnowing mechanism are arranged at the bottom of the semicircular screen (10).

4. The double-sieve wheat threshing and concentrating machine according to claim 1, characterized in that: said winnowing mechanism is composed of left and right inclined plates (11, 12), large blower (13), and discharge channel (14) , the left and right sloping plates (11, 12) are located at the lower part of the semicircular screen (10) and fixed on the frame (1); the lower part of the right sloping plate (12) is provided with a large blower (13), and the large blower (13) is fixed On the frame (1), the front wheel (33) of the large blower (13) drives the small wind wheel (36) to rotate through the belt (34), and the air outlet of the large blower (13) is aligned with the discharge channel (14); The lower part of the left inclined plate (11) is provided with a discharge channel (14). The discharge channel (14) is divided into an internal part and an external part. The internal part is fixed on the frame (1), and the external part is connected to the frame (1). ) hinged, the inlet end of the discharge channel (14) is provided with an adjustable baffle, the adjustable baffle is composed of a baffle (15) and a handle (38), and the baffle (15) is set in the frame (1) for discharging At the inlet end of the road (14), the handle (38) is arranged outside the frame (1).

5. The double-sieve wheat threshing and selecting machine according to claim 1, characterized in that: said vibrating double-sieve winnowing mechanism consists of vibrating double-sieves (23), air ducts (24) and small blowers (18) , wherein the vibrating double sieve (23) is an upper and lower sieve, the mesh of the upper sieve is larger than the mesh of the lower sieve, and a slant plate (20) is arranged under the vibrating double sieve (23), and the discharge port of the slant plate (20) is opposite to the On the quasi-horizontal auger trough (22), the vibrating double screen (23) and the inclined plate (20) are integrally made, and one side of the vibrating double screen (23) is connected with the eccentric wheel (16) through the connecting rod (17), and the eccentric wheel (16 ) The vibration wheel (35) is installed on the wheel shaft and fixed on the frame (1) through the bearing, the other side of the vibrating double screen (23) is supported by the pulley (26), and the pulley (26) is placed on the slideway (25). The slideway (25) is fixed on the frame (1), and the vibration wheel (35) rotates synchronously with the eccentric wheel (16) and drives the vibrating double screen (23) to vibrate back and forth on the slideway (25); the air duct (24) It is a concave shell surrounding the vibrating double screen (23), fixed on the frame (1), the inclined plane of the air duct (24) is connected with the horizontal auger groove (22); the small blower (18) is fixed on the vibrating double screen ( 23) On the lower frame (1), the bottom surface of the air outlet of the small blower (18) is connected to the horizontal auger groove (22), and the small blower (18) blade shaft (19) is equipped with a small wind wheel (36) and passes through the bearing Be fixed on the frame (1), and the blower outlet of the small air blower (18) is aligned with the mouth of the air duct (24).

6. The double-sieve wheat threshing and selecting machine according to claim 1, characterized in that: said auger conveyor includes a horizontal auger (21) and a vertical auger, wherein the horizontal auger (21) is the The wheat grains falling into the horizontal auger groove (22) are conveyed to the spiral blades on the vertical auger. The horizontal auger groove (22) is a semicircular concave groove fixed on the frame (1). The horizontal auger wheel (44) is fixed on the shaft, and the horizontal auger wheel (44) is connected with the large transmission wheel (46) through the chain (45); the vertical auger is transported to the vertical auger (39) The wheat grains are transported to the spiral blade of the discharge cylinder (40), which consists of the auger (39) and the discharge cylinder (40). The vertical auger (39) is on the fixed frame (1), and the vertical auger (39) The lower end is connected with the horizontal auger (21), the upper end of the vertical auger (39) is provided with a discharge cylinder (40), the driven bevel gear (41) is fixed on the auger shaft, and the driven bevel gear (41 ) meshes with the driving bevel gear (42), the driving bevel gear (42) is fixed on the vertical auger wheel (43), and the vertical auger wheel (43) is fixed on the frame (1).