CN2408666Y

CN2408666Y - Corn thresher

Info

Publication number: CN2408666Y
Application number: CN 00203757
Authority: CN
Inventors: 邵如根; 邵锋
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-03-02
Filing date: 2000-03-02
Publication date: 2000-12-06
Anticipated expiration: 2010-03-02

Abstract

The utility model discloses a corn thresher, which comprises a frame, the urceolus, the inner tube, the through-hole that has many kernel of corn to pass on the urceolus wall, the inner tube surface has the hank to shell and many lugs, a helix on surface is distributed along these lugs, and have the structure that the at least three rows of equidistant become the equal inclination with inner tube axle plane, the lug is the prismatoid shape, its top surface inclines with inner tube axle plane on one side, there is the air channel between the envelope on each lug top and urceolus inner wall, there is the H shape axle bed of a supporting inner tube transmission shaft and a corn purification device to after threshing on the baffle of urceolus one end, thereby the corn threshing must be peeled off earlier before having solved the corn and shell problem.

Description

Husker sheller

The utility model relates to a kind of facility to corn, soybean, Chinese sorghum Shu Jinhang mechanical threshing, especially a kind of husker sheller that is more suitable for corn threshing.

Husker sheller is adopted in the threshing of maize cob usually.The husker sheller of peasant household's application at present; comprise a urceolus that is fixed on the frame, have the through hole of many its apertures on the outer tube wall, an inner core that places urceolus by the power set driving greater than the iblet size; inner core is cylindrical, and there is the projection of strip on its surface.When the projection on the inner core was rotated in the maize cob between inner/outer tube, projection had a grinding pressure and tangential force effect to corn ear and by threshing, spills the through hole of the iblet after the threshing from outer tube wall.Corncob and impurity thereof are sent from the front end outlet of urceolus under the effect of inner core front end strand rice huller.This class husker sheller has an axle bed that supports inner core at the outlet place of urceolus, and this axle bed not only dwindles the effective area of outlet; impurity such as corncob can not smooth and easyly be discharged from outlet; cause the overload, stuck of thresher, and after the threshing, be mixed with a large amount of impurity in the iblet.This class husker sheller can not directly carry out threshing to the corn ear with luxuriant clothing.

Chinese patent (the patent No.: ZL97208306) disclose a kind of vertical corn thresher; its inner/outer tube stands upright on the frame, and urceolus is up big and down small taper shape, and corn ear is in descending process; be subjected to the projection effect on the inner core and urceolus in relative rotation, threshing gradually.There are the problems referred to above equally in this husker sheller.

The purpose of this utility model provides a kind of difficult generation overload, can carry out threshing to the corn ear of normal luxuriant clothing and obtain the husker sheller of clean corn finished product.

For achieving the above object, the utility model provides a kind of husker sheller, it is included in one and is fixed on the urceolus that has charging aperture and outlet on the frame, a series of its apertures of opening on outer tube wall are greater than the through hole of corn particle size, one by the power set driving cylindrical inner core coaxial with urceolus, line rice huller and many projections are arranged on the inner core surface, these projections distribute along a helix on the inner core periphery, and has at least three row that equate at interval become same inclination angle with the inner core axial plane a positional structure, each projection is for standing on the lip-deep right prism of inner core, end face relative with outer tube inner surface on the described right prism tilts with the inner core axial plane on one side, and the annular empty road suitable with the corn ear diameter arranged between the enveloping surface on the projection top on the described inner core and the outer tube inner surface; Be fixed with a H profile shaft seat coaxial with urceolus on the plate washer of the relative end of described urceolus outlet, a power transmission shaft that is contained in the described inner core is rotatably supported in the H oblique crank Z seat also protruding; A device that the corn that leaks down from through hole is purified is arranged in the urceolus bottom.

Described at least three row become the positional structure at same inclination angle with the inner core axial plane be four row become same inclination angle with the inner core axial plane positional structure; Described right prism is a four-prism, its end face length of side and the described lead of helix 1/4th corresponding, and the end face that described right prism is relative with outer tube inner surface is 0.5-1 ° with the angle that the inner core axial plane tilts on one side.

Described purifier comprises a blower fan that cross blowing is carried out in interval, corn whereabouts that faces toward that is contained in the downward extending part of described plate washer, one is contained in wind-collecting cover relative with fan outlet on the frame and one and opens on wind-collecting cover, and the exhaust outlet that the impurity that floats in air-flow is discharged constitutes.

Because projection of the present utility model adopts straight quadrangular, there is not tangible fillet between end face and side, the length of side of projection top end face is significantly less than the length and the diameter of maize cob, the end face length of side is 1/4th corresponding with the lead of helix again, thereby in the inner core high speed rotating, the limit on the projection top can batter down the luxuriant clothing on the corn ear, tear up easily; The simultaneously one side on projection top or face and the inclination of inner core axial plane, corn ear between the inner/outer tube is in the tangential force that is subjected to rotating projection, grinding pressure, also be subjected to the motive force of advancing to the urceolus outlet, each iblet on corn ear surface all can be subjected to the bump of projection and threshing, percentage of thresh height; Inner core only is bearing in the H profile shaft seat on the urceolus plate washer of a relative end with outlet, does not dwindle the axle bed that impurity is discharged area at the outlet place, and impurity is discharged smooth and easy, and machine is difficult for overload; In addition, a purifier is set, the light weight that will from the urceolus through hole, leak down easily, the impurity that gas-flow resistance is big crossed wind-collecting cover by air communication and takes out of from exhaust outlet, thus the corn in the hopper that causes to fall and break is purified, and has made things convenient for peasant household, one-machine-multi-function.

Below in conjunction with drawings and embodiments the utility model is described in further detail.

Fig. 1 is the structure sectional side elevation of the utility model husker sheller.

Fig. 2 is projection, the position assumption diagram of strand rice huller on the inner core periphery among Fig. 1.

Fig. 3 be Fig. 1 along A-A to cutaway view.

The concrete structure of the utility model corn threshing as shown in Figure 1 to Figure 3.As seen from the figure; husker sheller comprises a urceolus 7 that is fixed on the frame 1, and urceolus is a cylindrical housings, and an axial impurity outlet 5 and a charging aperture 18 of opening on outer tube wall are arranged on the urceolus; this charging aperture is connected with a feed hopper 19, to make things convenient for the continuous charging threshing of corn ear.On the face of cylinder of urceolus 7 the latter halfs, have the through hole 4 of a series of its apertures greater than the iblet size, on urceolus one end relative, be fixed with a plate washer 21 with outlet 5,21 are welded with a H oblique crank Z seat 24 coaxial with urceolus on the plate washer, this H oblique crank Z seat has and passes plate washer 21 centre bores and extend and the adapter sleeve 23 of solid welding on plate washer to the plate washer both sides respectively, the two ends of adapter sleeve have a rolling bearing pedestal 17 respectively, 25, in each rolling bearing pedestal radial thrust bearing is housed.For strengthening the rigidity of H oblique crank Z seat when live load is arranged, except that the thickness of suitable increase plate washer 21, also gusset 21 is strengthened in some of welding between plate washer two sides and adapter sleeve.An inner core 6 coaxial with urceolus is arranged in the urceolus 7, be fixed with two branches connecting plate 11 at a certain distance on the inwall of this inner core, 16, have a waist shape locating hole 12 on the axial location of every connecting plate, the shaft part of its cross section and waist shape locating hole shape, the corresponding power transmission shaft 13 of size places this waist shape locating hole, and on an end of power transmission shaft 13 with slotted nut 9 and split pin 10 with they lockings.This power transmission shaft 13 is protruding by the H oblique crank Z seat 24 on the plate washer, the axle head position of stretching out is equipped with one from movable strap disc 26, should adopt belt transmission to be connected with power set 33 from movable strap disc, power set can be diesel engines, it also can be ac motor, be illustrated as ac motor, referring to Fig. 3.

As Fig. 1, shown in Figure 2, be welded with many projections 14 that corn rod threshing is used on the cylindrical outer surface of inner core 6, this this projection distributes along a helix 32 of periphery, and has four row that equate at interval become same inclination angle with axial plane a positional structure, this inclination angle is 0.5-1 °, each projection is for uprightly being welded in the four-prism on the inner core face of cylinder, its end face relative with urceolus 7 inner surfaces one side tilts with the axial plane of inner core 6, the angle of inclination also is 0.5-1 °, helix 32 helical pitches that the length of side of four-prism end face and above-mentioned projection distribute on the inner core face of cylinder 1/4th identical, there are an interval and corn ear diameter quite can make the annular empty road 15 that corn ear rolls in it between the enveloping surface of all projection end faces and the outer tube inner surface, thereby when inner core rotates, projection seamed edge on the inner core can not only batter down, luxuriant clothing on the broken corn rod, when stirring the corn ear rotation, carry out the bump threshing of scan-type successively, and to corn ear, corncob, the bud clothing has a component that promotes to urceolus outlet 5, has improved the percentage of thresh and operating efficiency.A strand rice huller 8 is arranged on close inner core 6 peripheries of urceolus outlet 5, and it can be discharged impurity such as being delivered to the corncob at strand rice huller place, luxuriant clothing by projection outside the machine rapidly.

Behind the corn rod threshing, leak down the jade that is leaking down the through hole 4 of iblet from 7 times faces of cylinder of urceolus

Behind the corn rod threshing; leak down the through hole 4 of iblet from 7 times faces of cylinder of urceolus; in the iblet that leaks down, be mixed with a large amount of luxuriant clothing chips; the broken core of corn stigma and corn; for this reason; be provided with one in husker sheller urceolus 7 bottoms the iblet that leaks down from through hole carried out purifier; this purifier comprises that is contained in plate washer 21 downward extending parts carry out cross blowing facing to corn whereabouts interval 30 a axial fan 29; the impeller shaft 27 of blower fan is by a pair of axle bed on the frame; being equipped with one on axle head is contained in wind-collecting cover 2 on the frame and one and opens the exhaust outlet 3 that discharges at the impurity that will float on the wind-collecting cover in air-flow and constitute relatively with blower fan 29 air outlets with 28, one of above-mentioned belt pulleys that is in transmission connection from movable strap disc.When iblet of settling in an area under to corn when blower fan and impurity were dried, the corn quality of whereabouts was big, smooth surface, gas-flow resistance is little, fall on the corn hopper 31, and the impurity that is falling, light weight, rough surface, resistance is big, and the exhaust outlet that it is crossed on the wind-collecting cover with air communication discharges, thereby makes the corn of collection clean, save the configuration of repeatedly carrying, reduced processing cost with other cleaning equipment.

Husker sheller of the present utility model can be more suitable for the corn rod threshing with luxuriant clothing to maize cob, soybean, the Chinese sorghum Shu Jinhang threshing of removing luxuriant clothing.

Claims

1. husker sheller, it comprises that is fixed on a urceolus that has charging aperture and outlet on the frame, the a series of through holes of its aperture greater than the iblet size are arranged on the outer tube wall, one by the power set driving cylindrical inner core coaxial with urceolus, line rice huller and many projections are arranged on the inner core surface, it is characterized in that described these projections distribute along the lip-deep helix of inner core, and has at least three row that equate at interval become same inclination angle with the inner core axial plane a positional structure, each projection is for standing on the lip-deep right prism of inner core, on the described direct post there be between the enveloping surface on all projection tops and the outer tube inner surface on the described inner core and the quite annular empty road of corn ear diameter on one side and inner core axle flat dip the end face relative with outer tube inner surface; Be fixed with a H oblique crank Z seat coaxial with urceolus on the urceolus dividing plate of the relative end of described outlet, a power transmission shaft that is contained in the described inner core is rotatably supported in the H oblique crank Z seat also protruding; A device that the corn that leaks down from through hole is purified is arranged in the urceolus bottom.

2. husker sheller according to claim 1; it is characterized in that described at least three row become the positional structure at same inclination angle with the inner core axial plane be four row become same inclination angle with the inner core axial plane positional structure; described right prism is a four-prism, and 1/4th numerical value of its end face length of side and the described lead of helix are corresponding.

3. husker sheller according to claim 1 and 2 is characterized in that end face relative with outer tube inner surface on the described right prism is 0.5-1 ° with the angle that the inner core axial plane tilts on one side.

4. husker sheller according to claim 3; it is characterized in that described H oblique crank Z seat has passes described plate washer centre bore and extends and the adapter sleeve of solid welding on plate washer to the plate washer both sides respectively; the two ends of adapter sleeve have a rolling bearing pedestal respectively, in each rolling bearing pedestal radial thrust bearing are housed.

5. according to any one described husker sheller in the claim 1 to 4; it is characterized in that described corn purifier comprises: one is contained in the downward extending part of described plate washer facing to the interval blower fan that carries out cross blowing in corn whereabouts, and one is contained in wind-collecting cover relative with fan outlet on the frame and an exhaust outlet formation of opening on wind-collecting cover.