CN107980357A

CN107980357A - Maize sheller with eccentric swage

Info

Publication number: CN107980357A
Application number: CN201711349399.4A
Authority: CN
Inventors: 王友芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-12-15
Filing date: 2017-12-15
Publication date: 2018-05-04

Abstract

The invention discloses a kind of maize sheller with eccentric swage, at least it is made of stent, feeder, thresher and eccentric swage.Eccentric swage includes binder arm, lifting spring, at least one set of binder axis, binder pipe and binder spring.Corn ear enters thresher through feeding cover body.Grain threshing roller and feeding roller, which rotate in same direction, forms differential separating mechanism.Motor drives binder axis to rotate, binder axis band dynamic pressure plate compacting corn ear.The bottom of trapezoidal pressing plate is bevel edge, which is directed toward corn bar construction one variable pressure of grain threshing roller and feeding roller, is compressed in grain threshing roller to corn ear gradual change, constant press power can be avoided to squeeze bad corn ear, threshing efficiency is further improved.

Description

Maize sheller with eccentric swage

Technical field

The present invention relates to a kind of maize sheller with eccentric swage, belong to agricultural machinery.

Background technology

In the prior art, the functional component of the maize sheller with eccentric swage（Grain threshing roller）With the time of contact of corn ear Shorter, threshing efficiency is relatively low.Maize sheller of that of 201510938130.4 with eccentric swage, has a binder axis.Actively Binder axis nested encryptions have active nip rolls, and the active binder rolls on the convex block for being provided with and being uniformly arranged.The rolling of active binder exists Corn ear is persistently suppressed in rotation process, keeps corn ear to be tightly fitted in and departs from roller.But if the size of corn ear not When consistent, corn ear may be damaged since press power is excessive, or press power is too small does not have practical function. 200910263459.X discloses another maize sheller with eccentric swage, is mainly made of sheller unit.Sheller unit by Thrashing cylinder, pressing plate and baffle are formed.Pressing plate is located at arc-shaped above thrashing cylinder, and baffle is located at the side of thrashing cylinder and pressing plate.It is de- Arc threshing bin is formed between grain cylinder, pressing plate and baffle.Pressing plate is made of pressing plate, pressure pipe, press strip, compression spring, is set at the top of pressing plate It is equipped with elastic device.The case by height-adjustable elastic press-plate solve big spillikin footpath it is different corn ear charging and The problem of threshing.The pressure of pressing plate is controlled by corn ear, can not active period adjusting corn rod with depart from roller contact pressure Power and contact position.

The content of the invention

The present invention proposes a kind of maize sheller with eccentric swage, periodically applies variable pressure on corn ear, It is compressed in grain threshing roller to corn ear gradual change.Also, eccentric swage gradually squeezes during lateral pressure is applied, by corn ear Between grain threshing roller.

The technical proposal of the invention is realized in this way：

A kind of maize sheller with eccentric swage, is at least made of stent, feeder, thresher and eccentric swage, the feeding Device includes a feeding cover body, which is fixed on the top of the stent, and the thresher includes threshing motor, threshing Roller, feeding roller, the threshing motor are fixed on the stent outer, which is connected to a transmission shaft repeatedly, the transmission shaft The grain threshing roller and/or feeding roller are connected through a gear set, it is characterised in that the eccentric swage includes：

Binder arm, the binder arm are located at the top of the grain threshing roller and feeding roller；

Spring is lifted, one end of the lifting spring is fixed on the feeding cover body, and the other end is connected to the binder arm；

At least one set of binder axis, the binder axis are rotatably mounted in the binder arm, which is pivotally connected to a motor；

Binder pipe, the binder pipe are slideably sleeved in the binder axis, and the side wall of the binder pipe connects multiple trapezoidal pressing plates, should Trapezoidal pressing plate has long side and short side, and the long side is located at the close feeding roller of the trapezoidal pressing plate, and the short side is close to described The side of the close grain threshing roller of trapezoidal pressing plate；

Binder spring, one end of the binder spring are fixed on the binder axis, and the other end is fixed in the binder pipe.

In this maize sheller with eccentric swage of the present invention, the feeding cover body has a support plate, the support There is a sleeve, the binder arm has a slide-bar, which passes through the sleeve, and the top of the slide-bar is with multiple at the top of plate Nut, on the outside of the sleeve, the both ends of the spring are separately fixed in the nut and support plate the lifting spring pocket.

In this maize sheller with eccentric swage of the present invention, the binder axis is equipped with two groups of nuts, the binder Between two groups of nuts, the binder spring is withstood on the inside of the nut pipe.

In this maize sheller with eccentric swage of the present invention, the binder arm is equipped with least two groups of the binder Pipe, at least one binder pipe are symmetrical arranged four trapezoidal pressing plates, and at least one binder pipe is symmetrical arranged six Trapezoidal pressing plate.

In this maize sheller with eccentric swage of the present invention, the binder pipe has an extension, the binder Spring is located in the extension.

In this maize sheller with feeder of the present invention, which further includes a loading head, the collection Glassware includes auger and mesh plate, which is fixed on frame bottom, and fraising is rotatably mounted in mesh plate.

Implement this maize sheller with eccentric swage of the present invention, have the advantages that：Corn ear is covered through charging Body enters thresher.Grain threshing roller and feeding roller, which rotate in same direction, forms differential separating mechanism.Motor drives binder axis to rotate, binder axis Band dynamic pressure plate compacting corn ear.The bottom of trapezoidal pressing plate is bevel edge, which is directed toward grain threshing roller and feeding to corn bar construction one The variable pressure of roller, is compressed in grain threshing roller to corn ear gradual change.Constant press power can be avoided to squeeze bad corn ear, threshing effect Rate is further improved.What binder spring and lifting spring caused eccentric swage application is a kind of elastic press power, further Reduce the damage to corn ear.Lifting spring is compression spring, it can lift binder arm and its accessory structure.Make in trapezoidal pressing plate When on corn ear, the decrement for lifting spring is reduced.Spring action direction during shutdown with during work on the contrary, can keep away Spring free is subject to limiting pressure.

Brief description of the drawings

Fig. 1 is the schematic diagram of the maize sheller with eccentric swage of the present invention；

Fig. 2 is a kind of sectional view of Fig. 1；

Fig. 3 is another partial sectional view of Fig. 1；

Fig. 4 is the partial view of Fig. 3, the main presentation part-structure of eccentric swage；

Fig. 5 is the schematic diagram of the other direction of Fig. 4；

Fig. 6 is the schematic diagram of the other direction of Fig. 3；

Fig. 7 is the partial view of the feeder of Fig. 1；

Fig. 8 is the schematic diagram of the other direction of Fig. 7

Fig. 9 is the partial schematic diagram of the thresher of Fig. 4；

Figure 10 is the schematic diagram of the feeding roller of Fig. 1.

Embodiment

Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete Site preparation describes.

The relevant prior art state of feeder：《Corn ear feeds the relation research of form and seed damage rate》（River Southern University of Science and Technology's vehicle and Power Engineering School, Lee's heart equality）It has studied the different influences to breakage rate of feed direction.But should Feed direction only includes two kinds of approach axis of corn ear, not comprising posture corn ear in itself.201210231110.X That maize sheller, threshing cylinder top are provided with corn and feed component, fed in corn between component and threshing cylinder It is additionally provided with the locating part for limiting corncob position in threshing course.Corn when locating part can control hand fed State.But if the very low positive feed of the rate of feeding of the device or quick feeding, locating part are difficult to play a role. 201521053912.1 disclose a kind of maize sheller feeding regulating device, are longitudinally rotated in its feeding hopper and are connected with 2 controls Axis processed, two control shaft corresponding surfaces are connected with driving lever, and control outer end is connected with crank.Crank can control corn along two different sides To into thresing machine.But the case is still unable to control direction when corn ear enters thresing machine.That of 2016106865061 Maize sheller uses the structure of machinist's fast blanking.It generally comprises feed box, threshing chamber and the first rotation axis, and first Rotation axis is between feed box and threshing chamber.First rotation axis is equipped with baffle.In quick feeding procedure, baffle is periodically Spout is blocked, avoids uneven feeding from causing equipment to be damaged.The case can control rate of feeding, be unable to control feed direction. 201610228854.4 be a kind of shearing maize sheller of axial direction, it includes feed bin, rolling plate, surge bunker, base, impeller and feeds Glassware.It uses the means of transportation of rolling so that corn ear stacks in order, and is pressed by rotary feeder and stack order on the offensive It is conveyed into threshing in order in maize sheller device.The device can not effectively control the direction of corn ear, between feeding blade Whether one and only one corn ear is also the case yet unresolved issue.Corn Seeds in threshing course it is broken mainly with punching Hit that power is related, the impact force of suitable size can improve threshing efficiency, but larger impact force may increase breakage.The work of impact force Percentage of damage is influenced with position.Since threshing is shaft shape structure, when corn ear is arranged in parallel with grain threshing roller, Threshing is best. When corn ear is arranged vertically with grain threshing roller, Threshing is worst.

The relevant prior art state of eccentric swage：201510938130.4 that maize sheller with eccentric swage, tool There is a binder axis.Active binder axis nested encryptions have an active nip rolls, the active binder roll on be provided be uniformly arranged it is convex Block.Corn ear is persistently suppressed in the rolling of active binder in rotation process, is kept corn ear to be tightly fitted in and is departed from roller.But if During the cause not of uniform size of corn ear, corn ear may be damaged since press power is excessive, or press power is too small without actual work With.200910263459.X discloses another maize sheller with eccentric swage, is mainly made of sheller unit.Sheller unit It is made of thrashing cylinder, pressing plate and baffle.Pressing plate is located at arc-shaped above thrashing cylinder, and baffle is located at the side of thrashing cylinder and pressing plate. Arc threshing bin is formed between thrashing cylinder, pressing plate and baffle.Pressing plate is made of pressing plate, pressure pipe, press strip, compression spring, the top of pressing plate It is provided with elastic device.The case solves the different corn ear in big spillikin footpath by height-adjustable elastic press-plate and feeds And the problem of threshing.The pressure of pressing plate is controlled by corn ear, can not active period adjusting corn rod with depart from roller contact Pressure and contact position.

The relevant prior art state of feeding roller of thresher：The structure of existing threshing roller group can refer to 201510234368.9 described in the maize sheller waited.Grain threshing roller group configures helix, or it includes an independent band spiral shell The feeding roller of spin line.The helix is at least used to drive corn ear to rotate and move forward.201410176378.7 that is reversible The maize sheller of threshing illustrates a kind of variable threshing muscle（Helix）Thrashing cylinder.Threshing muscle includes epimere threshing muscle with Section threshing muscle, epimere threshing muscle and the hypomere threshing muscle hand of spiral are opposite.Change threshing bin by varying the mode of double-layer rib Highly, realize that corn ear can obtain abundant threshing in the different spaces part of threshing bin.The threshing of this variable helical line Machine roller group can be as the reference of the application.《The single factor analysis of corn seed differential threshing》（University Of Science and Technology Of He'nan's vehicle is with moving Power engineering college, Lee's heart equality）Analyze influence of the various factors to differential sheller unit efficiency.Wherein, the increasing of straight roller rotating speed Add favourable to non-threshing performance within the specific limits, the increase of the straight roller rotating speed of corn while and the increase of seed damage rate.The increasing of feed quantity Adding can make Threshing be deteriorated, non-threshing performance increase.《The development of single roller spiketooth type maize sheller》（Qiqihar University's machine Electrical engineering institute, Wang Fengjuan etc.）And《The structure design of small-sized corn thresher high speed rotor and finite element analysis》（Qingdao section Skill university Electrical and Mechanical Engineering College, Wu Junfei etc.）Deng design threshing apparatus critical component key dimension, and from optimization roller, spike-tooth Deng size start with improve thresher structure.The case can include the application as reference.

The relevant prior art state of grain threshing roller of thresher：《Corn combine longitudinal axial flow threshing device and control The design of system》（School of Mechanical Engineering of University Of Ji'nan, a kind of jade etc.）A kind of longitudinal axial flow threshing device is devised, it is with single Grain threshing roller, grain threshing roller outside set patterns under short and threshing pawl.The layout of grain threshing roller is simple, and threshing efficiency is low, can not adapt to difference The corn ear of size.《Reducing becomes the design of spacing spiral lamina dentition formula maize sheller and experiment》（Xibei Univ. of Agricultural ＆ Forest Science ＆ Technology's machinery With Institute Of Electrical Engineering, Zhao Wuyun etc.）It is intended to according to threshing difficulty of the corn ear in the niblet in different threshing stages and breakage Rate corrects the cutter tooth form at each position of grain threshing roller.Such as from threshing machine inlet to core discharging outlet direction, it is distributed on sheller unit Coronal space width increase, tablet space width reduce, and the diameter of coronal tooth and tablet tooth has increase.《Flexible corn thresing machine Exploitation》（Changchun agricultural machinery research institute, Wang Shulan etc.）It is proposed the mentality of designing of flexible threshing machine.Its main shaft passes through threshing tooth support plate Drive threshing helical teeth, threshing straight-tooth to rotate with driven shaft and take off rod threshing to squeeze stranding corn.During threshing, work as threshing tooth During by high resistance, driven shaft can be rotated.Avoid threshing tooth from being obstructed to produce excessive impact force and make niblet and jade Rice rod is crushed.The basic ideas of flexible threshing principle are to provide the active force of elasticity, avoid unexpected increased active force damage Corn.

Eccentric swage 400 includes binder arm 410, lifting spring 420 and at least one set of binder axis 430, binder pipe 431 and pressure Expect spring 432.Binder arm 410 is located at grain threshing roller 330 and the top of feeding roller 320.Binder arm 410 is inverted T-shaped structure.Binder Arm 410 has a slide-bar 411 and two horizontal bearing portions 412.One end of lifting spring 420 is fixed on feeding cover body 210, The other end is connected to binder arm 410.Lifting spring 420 is compression spring, it can lift binder arm 410 and its accessory structure.Stop It is opposite when spring action direction is with work during machine.During shutdown, lifting spring 420 is compressed；During work, the pressure of spring 420 is lifted Contracting amount reduces or negative drawing.If the initial forces of spring are identical with the direction of the active force of corn ear 600, spring can It can be subject to limiting pressure, cause to damage.Specifically, feeding cover body 210 has a support plate 211, the top of support plate 211 tool There is a sleeve 212.Slide-bar 411 passes through sleeve 212, and sleeve 212 plays guiding role, and guiding binder arm 410 moves.Slide-bar 411 Top there are multiple nuts 413, lifting spring 420 is sleeved on the outside of sleeve, and the both ends of the spring are separately fixed at 413 He of nut In support plate 211.The elemental height of binder arm 410 can be adjusted by nut 413, adapts to various sizes of corn ear 600.This Outside, binder arm 410 is equipped with two groups of binder pipes 431, and binder pipe 431 or so is arranged in 410 both sides of binder arm, it is equal to form a kind of stress The state of weighing apparatus.Binder pipe 431 is symmetrical arranged four trapezoidal pressing plates 433, and binder pipe 431 is symmetrical arranged six trapezoidal pressing plates 433.Number The pressure that the trapezoidal pressing plate 433 that mesh does not wait, size is different forms corn ear 600 is different, ensures the corn ear 600 of needles of various sizes Can effectively it be suppressed.

Binder axis 430 is rotatably mounted in binder arm 410, which is connected to a motor 434.Binder pipe 431 are slideably sleeved in binder axis 430, and the side wall of the binder pipe 431 connects multiple trapezoidal pressing plates 433.Motor drives binder Axis 430 rotates, and binder axis 430 suppresses corn ear 600 with dynamic pressure plate.One end of binder spring 432 is fixed on binder axis 430, The other end is fixed in binder pipe 431.Binder spring 432 and lifting spring 420 are so that the application of eccentric swage 400 is a kind of elasticity Press power, further reduce damage to corn ear 600.In the present embodiment, binder axis 430 is equipped with two groups of nuts 435, pressure For expects pipe 431 between two groups of nuts 435, binder spring 432 withstands on the inner side of nut 435.Nut 435 adjusts binder spring 432 Pretightning force and binder pipe 431 initial position, adapt to the corn of different sizes and threshing depth.Binder pipe 431 has one to prolong Extending portion 436, binder spring 432 are located in the extension 436.Binder spring 432 is protected in extension 436, avoids corn Fragment is stuck in gapping of spring.

Such as Fig. 1 to 10, thresing machine of the invention mainly includes stent 100, feeder 200, thresher 300, eccentric swage 400 And loading head 500.Stent 100 is made of multiple truss, is main support member, other internals are installed in the branch On frame 100.

Feeder 200 includes feeding cover body 210 and multigroup vibration component 220.Feeding cover body 210 is flared, corn ear 600 from it portion's opening enter equipment.Vibration component 220 is arranged side by side, the spacing and vibration group of adjacent vibration component 220 The spacing of part 220 and 210 side wall of feeding cover body is more than the diameter of most corn ear 600 and less than the length of corn ear 600.In a jumble The corn ear 600 of accumulation is located at 220 top of vibration component.220 frequent vibration of vibration component causes corn ear 600 to change direction. The corn vertical with Turbogrid plates 222 continues forced vibration, and the corn ear 600 parallel with Turbogrid plates 222 enters thresher 300.I.e. Make corn ear 600 is a large amount of quickly to enter feeder 200, the posture that corn ear 600 enters thresher 300 is still effectively adjusted Whole, feeding efficiency is improved.Preferably, the direction of vibration of adjacent vibration component 220 just differs half period.Vibration group 220 vibrational state of part is different, and when corn ear 600 is pressed on multiple Turbogrid plates 222 at the same time, this structure is more advantageous to corn ear 600 adjustment postures.

In the present invention, vibration component 220 includes cross bar 221, Turbogrid plates 222, vibration source 223 and vibrating spring 224. Cross bar 221 is fixed in feeding cover body 210, and the cross bar 221 is parallel with the grain threshing roller 330 and/or feeding roller 320, the cross bar 221 are equipped with multiple guide pipes 225.The bottom of Turbogrid plates 222 is equipped with multiple leads 226, which slideably stretches into Guide pipe.Guide pipe can keep Turbogrid plates 222 vertically to vibrate.The spacing of adjacent Turbogrid plates 222 is 4 to 10cm（It is more The diameter of corn ear 600 is counted to the length of corn ear 600）.Vibration source 223 is fixed on cross bar 221, the vibration source 223 it is defeated Go out to be pivotally connected to Turbogrid plates 222.Vibrating spring 224 is sleeved on the outside of guide pipe, and one end of the vibrating spring 224 is fixed on described On cross bar 221, the other end withstands on the bottom of the Turbogrid plates 222.It is more uniform that vibrating spring 224 make it that Turbogrid plates 222 vibrate （Damping action）, and initial pretension is provided.And vibrating spring 224 is tension state in an initial condition, corn ear 600 After accumulation, spring is in less elongation state.When vibration source 223 vibrates, spring periodic elongation and shortening.The structure can prolong Slow spring fatigue, and pressure is excessive when avoiding the vibration source 223 from working.In addition, the 222 have a generally triangular shape structure of Turbogrid plates, tool There are two groups of guide surfaces 227, corn ear 600 can be slided along the guide surface.The vibration source 223 of the present embodiment can be magnetostriction electricity Machine, the motor with screw rod（Electric pushrod）Etc..

In the present invention, 320 height of feeding roller is less than grain threshing roller 330, two pairs of feeding rollers 320 and grain threshing roller 330 formed with Groove structure, corn ear 600 is in the inner.Corn ear 600 is moved along feeding roller 320, and grain threshing roller 330 peels niblet off.Most Under good state, corn is located on feeding roller 320 and is in close contact grain threshing roller 330.Trapezoidal pressing plate 433 has long side and short side, long Side is located at the close feeding roller 320 of trapezoidal pressing plate 433, short side close to the close grain threshing roller 330 of the trapezoidal pressing plate 433 one Side.The bottom of trapezoidal pressing plate 433 is bevel edge, which forms corn ear 600 a direction grain threshing roller 330 and feeding roller 320 is pressed Power, ensures that corn ear 600 is movably in close contact grain threshing roller 330 at the same time along feeding roller 320.The pressure gradually changes, corn ear It is compressed in grain threshing roller 330 to 600 gradual changes, threshing efficiency is further improved.Under less press power, major diameter position Niblet deviate from.When press power gradually increases, the niblet at path position is deviate from, and avoids constant press power from squeezing bad jade Rice rod 600, percentage of damage is minimized.

Thresher 300 includes threshing motor 310, feeding roller 320, flexible threshing roller 330 and soft readjustment component 340. Threshing motor 310 is fixed on the outside of stent 100, which is connected to a transmission shaft 360 repeatedly.Transmission shaft 360 is through a tooth Wheel group 370 connects feeding roller 320.In the present embodiment, gear set 370 includes one group of conical gear 371 and one group of roller gear 372.Transmission shaft 360 is connected to feeding roller 320 through the conical gear 371, and feeding roller 320 is connected to de- through the roller gear 372 Grain roller 330.In this embodiment, grain threshing roller 330 and feeding roller 320 is oppositely oriented, reaches the purpose of differential threshing.Another In feasible scheme, the gear drive of grain threshing roller and feeding roller 320 through a chain and the number of teeth not etc., also can reach differential threshing Purpose.To avoid gear set 370 from being blocked by maize pulp, the bottom of feeding cover body 210 is equipped with isolation board 213, which covers Cover on grain threshing roller 330 and positioned at close to the side of gear set 370.

Soft readjustment component 340 provides a flexible active force, auxiliary improve when thresher 300 transmits corn ear 600 by Power state, avoids unexpected increased active force damage corn.It includes crossbeam 341, connecting rod 342, the first swing arm 343, second pendulum Arm 344 and adjusting spring 345.The middle part of first swing arm 343 and the second swing arm 344 is hinged on crossbeam 341.First pendulum The upper end of arm 343 is hinged to the grain threshing roller 330 of one of them, and the bottom of first swing arm 343 is sleeved on connecting rod 342.The The upper end of two swing arms 344 is hinged to another grain threshing roller 330, in the bottom articulated linkage 342 of second swing arm 344. First swing arm 343 and the second swing arm 344 form a pair of leverage adjusted in opposite directions.Adjacent 320 stress of feeding roller is to both sides During opening, the end portion of swing arm is close to each other.Adjust spring 345 to be sleeved on connecting rod 342, the both ends point of the adjusting spring 345 The bottom of the first swing arm 343 and the second swing arm 344 is not pressed in.If corn ear 600 is caught between adjacent feeding roller 320 In gap, the end portion of swing arm is close to each other and extrudes spring, while avoids equipment from smashing small size corn ear 600.It is caught in After object takes out or disappears, adjust spring 345 and promote feeding roller 320 to return to initial position through swing arm.It is anticipated that, two feedings Helix between roller 320 stretches out, and corn ear 600 can be under the guiding of helix between surprisingly squeezing into feeding roller 320 Discharge.Preferably, the outside of connecting rod 342 is equipped with is sleeved on the outside for adjusting spring 345 with sleeve 346, the sleeve.The structure can be kept away Exempt from adjusting spring 345 to be blocked by maize pulp.

Feeding roller 320 is by 321, threshing sections 322 of entrance, secondary threshing section 323 and 324 groups of threshing section three times Into.Entrance 321 has reverse acting spiral groove 325, and one time threshing section 322 has the first helicla flute 326, and secondary threshing section 323 has There is the second helicla flute 327, threshing section 324 has the 3rd helicla flute 328 three times.The helical pitch of reverse acting spiral groove 325 and first spiral Groove 326 is identical but rotation direction is opposite with the first helicla flute 326.600 structure of complete corn ear is closely knit, and first threshing difficulty is big, needs Want the impact threshing of long period.When the short pitch helix of threshing section 322 can extend the delay of corn ear 600 here Between, the reverse acting spiral line of entrance 321 also can reach this purpose.First helicla flute 326 tends to corn ear 600 being moved to outlet Place, reverse acting spiral groove 325 tend to reversely drive corn ear 600 to the root of feeding roller 320.The helical pitch of second helicla flute 327 It is four times of the first helicla flute 326 and rotation direction is identical with the first helicla flute 326, the pitch and rotation direction of the 3rd helicla flute 328 are equal It is identical with the second helicla flute 327.After the partial kernels of corn ear 600 are divested, remaining niblet is easier to be peeled off.Two The long pitch structure of secondary threshing section 323 can accelerate the translational speed of corn ear 600, improve threshing efficiency.In 3rd helicla flute 328 Equipped with multiple spike-tooths 329, the upper surface of the spike-tooth 329 is higher than the upper surface of the feeding roller 320.Threshing section 324 three times Spiral groove depth is big, its spike-tooth 329 forms an occlusion structure with bottom portion of groove, is conducive to peel off the corn out of the ordinary for being difficult to peel off Grain.

Surveyed according to sample, 320 diameter of feeding roller of the invention is about 10 to 20cm.Reverse acting spiral groove 325, first is spiral Groove 326, the second helicla flute 327 are dual-thread helix.3rd helicla flute 328 is single thread helix.The length of entrance 321 Spend for 10cm, the length of a threshing section 322 is 20cm, and the length of secondary threshing section 323 is 60cm, three times threshing section 324 Length is 60cm.The facewidth of reverse acting spiral groove 325 is 2cm, and the facewidth of the first helicla flute 326 is 2cm, the second helicla flute 327 The facewidth is 8cm, the facewidth of the 3rd helicla flute 328 is 8cm.The helical pitch of reverse acting spiral groove 325 is 5cm, and the first helicla flute 326 is led Journey is 5cm, the helical pitch of the second helicla flute 327 is 29cm, the helical pitch of the 3rd helicla flute 328 is 12cm.Dimensions above allows certain Measurement error.

The flexible threshing roller 330 of the present invention, is made of mandrel 331, set axis 332 and elastic shaft 333.Mandrel 331 is fixed In the set axis 332, the set axis 332 is fixed in the elastic shaft 333.The flexible threshing roller 330 uses sandwich construction, internal layer Mandrel 331 can keep the integral strength of grain threshing roller 330, avoid bending during work.Set axis 332 includes 334 He of multiple protruding portion Arcwall 335 for connecting the protuberance 334 forms.Middle set axis 332 is prismatic structure, and protuberance 334 stretches into bullet In property axis 333.The lateral wall of mandrel 331 is fitted in the inner side of arcwall 335, and the inner side of elastic shaft 333 has multiple recessed grooves 336, protuberance 334 is located in the recessed groove 336, and the outside of the elastic shaft 333 has multiple threshing tooths 337.Due to threshing tooth 337 inside are rigid protuberance 334, and the integral strength of grain threshing roller 330 is guaranteed.When grain threshing roller 330 rotates, protuberance 334 provide tangential impact force, ensure that niblet is cut.In the present invention, mandrel 331 and set axis 332 are by carbon structural steels Or No. 45 steel are made.Elastic shaft 333 is made of isoprene rubber and/or neoprene.Elastic shaft 333 is made of rubber, threshing Tooth 337 be obstructed produce it is excessive when, partial deformation can occur for 337 cutting edge of threshing tooth, avoid impact force from making niblet and corn ear 600 It is pulverized.

Part threshing tooth 337 is located at the outside of protuberance 334, which is subject to the branch of rigid tab 334 The effect of holding, intensity higher, is conducive to threshing.Part threshing tooth 337 is located at the outside of arcwall 335, this part threshing tooth 337 can Certain deformation is born, avoids damage to niblet.Preferably, threshing tooth 337 is justified by the protrusion circular arc 338 and depression being connected with each other Arc 339 forms, and the center of curvature of the protrusion circular arc 338 is located at the inner side of elastic shaft 333.Prominent circular arc 338 is smooth introducing Cambered surface, is conducive to niblet and enters in the cutting edge of threshing tooth 337.The center of curvature of depression circular arc 339 is located at the outer of elastic shaft 333 Side, depression circular arc 339 are hook arrangement.The protrusion circular arc 338 intersects with the lateral surface of elastic shaft 333 forms an obtuse angle, this is recessed Falling into circular arc 339, with the lateral surface of elastic shaft 333 to intersect structure in an acute angle.It is appreciated that on the direction of rotation of grain threshing roller 330, Prominent circular arc 338 is more forward.

Loading head 500 is the accessory structure of the present invention, it, which is used to concentrate the niblet of thresher 300 everywhere, stores and put Go out.Loading head 500 includes auger 510 and mesh plate 520.The mesh plate 520 is fixed on 100 bottom of stent, and fraising is rotationally It is fixed in mesh plate 520, motor drives auger 510 to store niblet.Fine grain dust is from mesh plate 520.

The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention With within principle, any modification, equivalent replacement, improvement and so on, should all be included in the protection scope of the present invention god.

Claims

1. a kind of maize sheller with eccentric swage, is at least made of stent, feeder, thresher and eccentric swage, described to feed Glassware includes a feeding cover body, which is fixed on the top of the stent, and the thresher includes threshing motor, threshing Roller, feeding roller, the threshing motor are fixed on the stent outer, which is connected to a transmission shaft repeatedly, the transmission shaft The grain threshing roller and/or feeding roller are connected through a gear set, it is characterised in that the eccentric swage includes：

2. the maize sheller according to claim 1 with eccentric swage, it is characterised in that the feeding cover body has one Fagging, support plate top have a sleeve, and the binder arm has a slide-bar, which passes through the sleeve, the slide-bar Top has multiple nuts, and for the lifting spring pocket on the outside of the sleeve, the both ends of the spring are separately fixed at the nut In support plate.

3. the maize sheller according to claim 1 with eccentric swage, it is characterised in that the binder axis is equipped with two groups of spiral shells Cap, between two groups of nuts, the binder spring is withstood on the inside of the nut binder pipe.

4. the maize sheller according to claim 1 with eccentric swage, it is characterised in that the binder arm is equipped with least two The binder pipe of group, at least one binder pipe are symmetrical arranged four trapezoidal pressing plates, at least one binder pipe It is symmetrical arranged six trapezoidal pressing plates.

5. the maize sheller according to claim 4 with eccentric swage, it is characterised in that the binder pipe has an extension Portion, the binder spring are located in the extension.

6. the maize sheller according to claim 1 with eccentric swage, it is characterised in that the maize sheller further includes one Loading head, the loading head include auger and mesh plate, which is fixed on frame bottom, and fraising is rotatably mounted to mesh In plate.